From f067f7e2c1f1702e7302cbc6a5683a1c2d6a1d8e Mon Sep 17 00:00:00 2001 From: Larry Hastings Date: Sun, 23 Jul 2017 17:55:09 -0700 Subject: [PATCH] Switch to using blurb to manage Misc/NEWS! --- Doc/Makefile | 27 +- Doc/whatsnew/changelog.rst | 4 +- Misc/NEWS | 10637 ---------------- Misc/NEWS.d/3.3.0.rst | 27 + Misc/NEWS.d/3.3.0a1.rst | 7646 +++++++++++ Misc/NEWS.d/3.3.0a2.rst | 684 + Misc/NEWS.d/3.3.0a3.rst | 730 ++ Misc/NEWS.d/3.3.0a4.rst | 814 ++ Misc/NEWS.d/3.3.0b1.rst | 944 ++ Misc/NEWS.d/3.3.0b2.rst | 1117 ++ Misc/NEWS.d/3.3.0rc1.rst | 411 + Misc/NEWS.d/3.3.0rc2.rst | 122 + Misc/NEWS.d/3.3.0rc3.rst | 98 + Misc/NEWS.d/3.4.0.rst | 17 + Misc/NEWS.d/3.4.0a1.rst | 7206 +++++++++++ Misc/NEWS.d/3.4.0a2.rst | 788 ++ Misc/NEWS.d/3.4.0a3.rst | 283 + Misc/NEWS.d/3.4.0a4.rst | 659 + Misc/NEWS.d/3.4.0b1.rst | 1451 +++ Misc/NEWS.d/3.4.0b2.rst | 1197 ++ Misc/NEWS.d/3.4.0b3.rst | 665 + Misc/NEWS.d/3.4.0rc1.rst | 715 ++ Misc/NEWS.d/3.4.0rc2.rst | 177 + Misc/NEWS.d/3.4.0rc3.rst | 66 + Misc/NEWS.d/3.4.1.rst | 117 + Misc/NEWS.d/3.4.1rc1.rst | 913 ++ Misc/NEWS.d/3.4.2.rst | 77 + Misc/NEWS.d/3.4.2rc1.rst | 1332 ++ Misc/NEWS.d/3.4.3.rst | 1238 ++ Misc/NEWS.d/3.4.4.rst | 7 + Misc/NEWS.d/3.4.4rc1.rst | 2504 ++++ Misc/NEWS.d/3.4.5.rst | 7 + Misc/NEWS.d/3.4.5rc1.rst | 101 + Misc/NEWS.d/3.4.6.rst | 7 + Misc/NEWS.d/3.4.6rc1.rst | 114 + .../Core and Builtins/04.bpo-27945.p29r3O.rst | 3 + .../Documentation/03.bpo-25008.CeIzyU.rst | 2 + .../next/Library/01.bpo-27850.kIVQ0m.rst | 2 + .../next/Security/02.bpo-30730.ZF8XGV.rst | 4 + 39 files changed, 32268 insertions(+), 10645 deletions(-) delete mode 100644 Misc/NEWS create mode 100644 Misc/NEWS.d/3.3.0.rst create mode 100644 Misc/NEWS.d/3.3.0a1.rst create mode 100644 Misc/NEWS.d/3.3.0a2.rst create mode 100644 Misc/NEWS.d/3.3.0a3.rst create mode 100644 Misc/NEWS.d/3.3.0a4.rst create mode 100644 Misc/NEWS.d/3.3.0b1.rst create mode 100644 Misc/NEWS.d/3.3.0b2.rst create mode 100644 Misc/NEWS.d/3.3.0rc1.rst create mode 100644 Misc/NEWS.d/3.3.0rc2.rst create mode 100644 Misc/NEWS.d/3.3.0rc3.rst create mode 100644 Misc/NEWS.d/3.4.0.rst create mode 100644 Misc/NEWS.d/3.4.0a1.rst create mode 100644 Misc/NEWS.d/3.4.0a2.rst create mode 100644 Misc/NEWS.d/3.4.0a3.rst create mode 100644 Misc/NEWS.d/3.4.0a4.rst create mode 100644 Misc/NEWS.d/3.4.0b1.rst create mode 100644 Misc/NEWS.d/3.4.0b2.rst create mode 100644 Misc/NEWS.d/3.4.0b3.rst create mode 100644 Misc/NEWS.d/3.4.0rc1.rst create mode 100644 Misc/NEWS.d/3.4.0rc2.rst create mode 100644 Misc/NEWS.d/3.4.0rc3.rst create mode 100644 Misc/NEWS.d/3.4.1.rst create mode 100644 Misc/NEWS.d/3.4.1rc1.rst create mode 100644 Misc/NEWS.d/3.4.2.rst create mode 100644 Misc/NEWS.d/3.4.2rc1.rst create mode 100644 Misc/NEWS.d/3.4.3.rst create mode 100644 Misc/NEWS.d/3.4.4.rst create mode 100644 Misc/NEWS.d/3.4.4rc1.rst create mode 100644 Misc/NEWS.d/3.4.5.rst create mode 100644 Misc/NEWS.d/3.4.5rc1.rst create mode 100644 Misc/NEWS.d/3.4.6.rst create mode 100644 Misc/NEWS.d/3.4.6rc1.rst create mode 100644 Misc/NEWS.d/next/Core and Builtins/04.bpo-27945.p29r3O.rst create mode 100644 Misc/NEWS.d/next/Documentation/03.bpo-25008.CeIzyU.rst create mode 100644 Misc/NEWS.d/next/Library/01.bpo-27850.kIVQ0m.rst create mode 100644 Misc/NEWS.d/next/Security/02.bpo-30730.ZF8XGV.rst diff --git a/Doc/Makefile b/Doc/Makefile index e3d204d84907..49a6f0f808d8 100644 --- a/Doc/Makefile +++ b/Doc/Makefile @@ -4,22 +4,24 @@ # # You can set these variables from the command line. -PYTHON = python +PYTHON = python3 SPHINXBUILD = sphinx-build +BLURB = $(PYTHON) -m blurb PAPER = SOURCES = DISTVERSION = $(shell $(PYTHON) tools/extensions/patchlevel.py) -ALLSPHINXOPTS = -b $(BUILDER) -d build/doctrees -D latex_paper_size=$(PAPER) \ +ALLSPHINXOPTS = -b $(BUILDER) -d build/doctrees -D latex_elements.papersize=$(PAPER) \ $(SPHINXOPTS) . build/$(BUILDER) $(SOURCES) .PHONY: help build html htmlhelp latex text changes linkcheck \ suspicious coverage doctest pydoc-topics htmlview clean dist check serve \ - autobuild-dev autobuild-stable + autobuild-dev autobuild-stable venv help: @echo "Please use \`make ' where is one of" @echo " clean to remove build files" + @echo " venv to create a venv with necessary tools" @echo " html to make standalone HTML files" @echo " htmlview to open the index page built by the html target in your browser" @echo " htmlhelp to make HTML files and a HTML help project" @@ -37,6 +39,8 @@ help: @echo " serve to serve the documentation on the localhost (8000)" build: + -mkdir -p build + $(BLURB) merge -f build/NEWS $(SPHINXBUILD) $(ALLSPHINXOPTS) @echo @@ -102,7 +106,11 @@ htmlview: html $(PYTHON) -c "import webbrowser; webbrowser.open('build/html/index.html')" clean: - -rm -rf build/* + -rm -rf build/* venv/* + +venv: + $(PYTHON) -m venv venv + ./venv/bin/python3 -m pip install -U Sphinx dist: rm -rf dist @@ -148,21 +156,26 @@ dist: cp -pPR build/epub/Python.epub dist/python-$(DISTVERSION)-docs.epub check: - $(PYTHON) tools/rstlint.py -i tools + $(PYTHON) tools/rstlint.py -i tools -i venv -i README.rst serve: ../Tools/scripts/serve.py build/html # Targets for daily automated doc build +# By default, Sphinx only rebuilds pages where the page content has changed. +# This means it doesn't always pick up changes to preferred link targets, etc +# To ensure such changes are picked up, we build the published docs with +# `-E` (to ignore the cached environment) and `-a` (to ignore already existing +# output files) # for development releases: always build autobuild-dev: - make dist SPHINXOPTS='-A daily=1 -A versionswitcher=1' + make dist SPHINXOPTS='$(SPHINXOPTS) -Ea -A daily=1 -A versionswitcher=1' -make suspicious # for quick rebuilds (HTML only) autobuild-dev-html: - make html SPHINXOPTS='-A daily=1 -A versionswitcher=1' + make html SPHINXOPTS='$(SPHINXOPTS) -Ea -A daily=1 -A versionswitcher=1' # for stable releases: only build if not in pre-release stage (alpha, beta) # release candidate downloads are okay, since the stable tree can be in that stage diff --git a/Doc/whatsnew/changelog.rst b/Doc/whatsnew/changelog.rst index 07f90948bd0a..b43561436590 100644 --- a/Doc/whatsnew/changelog.rst +++ b/Doc/whatsnew/changelog.rst @@ -1,5 +1,7 @@ +.. _changelog: + +++++++++ Changelog +++++++++ -.. miscnews:: ../../Misc/NEWS +.. miscnews:: ../build/NEWS diff --git a/Misc/NEWS b/Misc/NEWS deleted file mode 100644 index 88d6c70fd4a7..000000000000 --- a/Misc/NEWS +++ /dev/null @@ -1,10637 +0,0 @@ -+++++++++++ -Python News -+++++++++++ - -What's New in Python 3.4.7 release candidate 1? -=============================================== - -Release date: XXXX-XX-XX - -Core and Builtins ------------------ - -- bpo-27945: Fixed various segfaults with dict when input collections are - mutated during searching, inserting or comparing. Based on patches by - Duane Griffin and Tim Mitchell. - -Documentation -------------- - -- bpo-25008: Document smtpd.py as effectively deprecated and add a pointer to - aiosmtpd, a third-party asyncio-based replacement. - -Library -------- - -- [Security] bpo-30730: Prevent environment variables injection in subprocess on - Windows. Prevent passing other invalid environment variables and command arguments. - -- Issue #27850: Remove 3DES from ssl module's default cipher list to counter - measure sweet32 attack (CVE-2016-2183). - - -What's New in Python 3.4.6? -=========================== - -Release date: 2017-01-17 - -There were no changes between 3.4.6rc1 and 3.4.6 final. - - -What's New in Python 3.4.6rc1? -============================== - -Release date: 2017-01-02 - -Core and Builtins ------------------ - -- Issue #28648: Fixed crash in Py_DecodeLocale() in debug build on Mac OS X - when decode astral characters. Patch by Xiang Zhang. - -- Issue #28426: Fixed potential crash in PyUnicode_AsDecodedObject() in debug - build. - -Library -------- - -- Issue #28563: Fixed possible DoS and arbitrary code execution when handle - plural form selections in the gettext module. The expression parser now - supports exact syntax supported by GNU gettext. - -- In the curses module, raise an error if window.getstr() or window.instr() is - passed a negative value. - -- Issue #27783: Fix possible usage of uninitialized memory in operator.methodcaller. - -- Issue #27774: Fix possible Py_DECREF on unowned object in _sre. - -- Issue #27760: Fix possible integer overflow in binascii.b2a_qp. - -- Issue #27758: Fix possible integer overflow in the _csv module for large record - lengths. - -- Issue #27568: Prevent HTTPoxy attack (CVE-2016-1000110). Ignore the - HTTP_PROXY variable when REQUEST_METHOD environment is set, which indicates - that the script is in CGI mode. - -- Issue #27759: Fix selectors incorrectly retain invalid file descriptors. - Patch by Mark Williams. - -Build ------ - -- Issue #28248: Update Windows build to use OpenSSL 1.0.2j. - -Tests ------ - -- Issue #27369: In test_pyexpat, avoid testing an error message detail that - changed in Expat 2.2.0. - - -What's New in Python 3.4.5? -=========================== - -Release date: 2016-06-26 - -Tests ------ - -- Issue #26867: Ubuntu's openssl OP_NO_SSLv3 is forced on by default; fix test. - - -What's New in Python 3.4.5rc1? -============================== - -Release date: 2016-06-11 - -Core and Builtins ------------------ - -- Issue #26478: Fix semantic bugs when using binary operators with dictionary - views and tuples. - -- Issue #26171: Fix possible integer overflow and heap corruption in - zipimporter.get_data(). - -Library -------- - -- Issue #26556: Update expat to 2.1.1, fixes CVE-2015-1283. - -- Fix TLS stripping vulnerability in smptlib, CVE-2016-0772. Reported by Team - Oststrom - -- Issue #25939: On Windows open the cert store readonly in ssl.enum_certificates. - -- Issue #26012: Don't traverse into symlinks for ** pattern in - pathlib.Path.[r]glob(). - -- Issue #24120: Ignore PermissionError when traversing a tree with - pathlib.Path.[r]glob(). Patch by Ulrich Petri. - -- Skip getaddrinfo if host is already resolved. - Patch by A. Jesse Jiryu Davis. - -- Add asyncio.timeout() context manager. - -- Issue #26050: Add asyncio.StreamReader.readuntil() method. - Patch by Марк Коренберг. - -Tests ------ - -- Issue #25940: Changed test_ssl to use self-signed.pythontest.net. This - avoids relying on svn.python.org, which recently changed root certificate. - - -What's New in Python 3.4.4? -=========================== - -Release date: 2015/12/20 - -Windows -------- - -- Issue #25844: Corrected =/== typo potentially leading to crash in launcher. - - -What's New in Python 3.4.4rc1? -============================== - -Release date: 2015/12/06 - -Core and Builtins ------------------ - -- Issue #25709: Fixed problem with in-place string concatenation and utf-8 - cache. - -- Issue #24097: Fixed crash in object.__reduce__() if slot name is freed inside - __getattr__. - -- Issue #24731: Fixed crash on converting objects with special methods - __bytes__, __trunc__, and __float__ returning instances of subclasses of - bytes, int, and float to subclasses of bytes, int, and float correspondingly. - -- Issue #25388: Fixed tokenizer crash when processing undecodable source code - with a null byte. - -- Issue #22995: Default implementation of __reduce__ and __reduce_ex__ now - rejects builtin types with not defined __new__. - -- Issue #24802: Avoid buffer overreads when int(), float(), compile(), exec() - and eval() are passed bytes-like objects. These objects are not - necessarily terminated by a null byte, but the functions assumed they were. - -- Issue #24402: Fix input() to prompt to the redirected stdout when - sys.stdout.fileno() fails. - -- Issue #24806: Prevent builtin types that are not allowed to be subclassed from - being subclassed through multiple inheritance. - -- Issue #24848: Fixed a number of bugs in UTF-7 decoding of misformed data. - -- Issue #25280: Import trace messages emitted in verbose (-v) mode are no - longer formatted twice. - -- Issue #25003: os.urandom() doesn't use getentropy() on Solaris because - getentropy() is blocking, whereas os.urandom() should not block. getentropy() - is supported since Solaris 11.3. - -- Issue #25182: The stdprinter (used as sys.stderr before the io module is - imported at startup) now uses the backslashreplace error handler. - -- Issue #24891: Fix a race condition at Python startup if the file descriptor - of stdin (0), stdout (1) or stderr (2) is closed while Python is creating - sys.stdin, sys.stdout and sys.stderr objects. These attributes are now set - to None if the creation of the object failed, instead of raising an OSError - exception. Initial patch written by Marco Paolini. - -- Issue #21167: NAN operations are now handled correctly when python is - compiled with ICC even if -fp-model strict is not specified. - -- Issue #4395: Better testing and documentation of binary operators. - Patch by Martin Panter. - -- Issue #24467: Fixed possible buffer over-read in bytearray. The bytearray - object now always allocates place for trailing null byte and it's buffer now - is always null-terminated. - -- Issue #24115: Update uses of PyObject_IsTrue(), PyObject_Not(), - PyObject_IsInstance(), PyObject_RichCompareBool() and _PyDict_Contains() - to check for and handle errors correctly. - -- Issue #24257: Fixed system error in the comparison of faked - types.SimpleNamespace. - -- Issue #22939: Fixed integer overflow in iterator object. Patch by - Clement Rouault. - -- Issue #23985: Fix a possible buffer overrun when deleting a slice from - the front of a bytearray and then appending some other bytes data. - -- Issue #24102: Fixed exception type checking in standard error handlers. - -- Issue #23757: PySequence_Tuple() incorrectly called the concrete list API - when the data was a list subclass. - -- Issue #24407: Fix crash when dict is mutated while being updated. - -- Issue #24096: Make warnings.warn_explicit more robust against mutation of the - warnings.filters list. - -- Issue #23996: Avoid a crash when a delegated generator raises an - unnormalized StopIteration exception. Patch by Stefan Behnel. - -- Issue #24022: Fix tokenizer crash when processing undecodable source code. - -- Issue #23309: Avoid a deadlock at shutdown if a daemon thread is aborted - while it is holding a lock to a buffered I/O object, and the main thread - tries to use the same I/O object (typically stdout or stderr). A fatal - error is emitted instead. - -- Issue #22977: Fixed formatting Windows error messages on Wine. - Patch by Martin Panter. - -- Issue #23803: Fixed str.partition() and str.rpartition() when a separator - is wider then partitioned string. - -- Issue #23192: Fixed generator lambdas. Patch by Bruno Cauet. - -- Issue #23629: Fix the default __sizeof__ implementation for variable-sized - objects. - -- Issue #24044: Fix possible null pointer dereference in list.sort in out of - memory conditions. - -- Issue #21354: PyCFunction_New function is exposed by python DLL again. - -Library -------- - -- Issue #24903: Fix regression in number of arguments compileall accepts when - '-d' is specified. The check on the number of arguments has been dropped - completely as it never worked correctly anyway. - -- Issue #25764: In the subprocess module, preserve any exception caused by - fork() failure when preexec_fn is used. - -- Issue #6478: _strptime's regexp cache now is reset after changing timezone - with time.tzset(). - -- Issue #25177: Fixed problem with the mean of very small and very large - numbers. As a side effect, statistics.mean and statistics.variance should - be significantly faster. - -- Issue #25718: Fixed copying object with state with boolean value is false. - -- Issue #10131: Fixed deep copying of minidom documents. Based on patch - by Marian Ganisin. - -- Issue #25725: Fixed a reference leak in pickle.loads() when unpickling - invalid data including tuple instructions. - -- Issue #25663: In the Readline completer, avoid listing duplicate global - names, and search the global namespace before searching builtins. - -- Issue #25688: Fixed file leak in ElementTree.iterparse() raising an error. - -- Issue #23914: Fixed SystemError raised by unpickler on broken pickle data. - -- Issue #25691: Fixed crash on deleting ElementTree.Element attributes. - -- Issue #25624: ZipFile now always writes a ZIP_STORED header for directory - entries. Patch by Dingyuan Wang. - -- Issue #25583: Avoid incorrect errors raised by os.makedirs(exist_ok=True) - when the OS gives priority to errors such as EACCES over EEXIST. - -- Issue #25593: Change semantics of EventLoop.stop() in asyncio. - -- Issue #6973: When we know a subprocess.Popen process has died, do - not allow the send_signal(), terminate(), or kill() methods to do - anything as they could potentially signal a different process. - -- Issue #25578: Fix (another) memory leak in SSLSocket.getpeercer(). - -- Issue #25590: In the Readline completer, only call getattr() once per - attribute. - -- Issue #25498: Fix a crash when garbage-collecting ctypes objects created - by wrapping a memoryview. This was a regression made in 3.4.3. Based - on patch by Eryksun. - -- Issue #18010: Fix the pydoc web server's module search function to handle - exceptions from importing packages. - -- Issue #25510: fileinput.FileInput.readline() now returns b'' instead of '' - at the end if the FileInput was opened with binary mode. - Patch by Ryosuke Ito. - -- Issue #25530: Disable the vulnerable SSLv3 protocol by default when creating - ssl.SSLContext. - -- Issue #25569: Fix memory leak in SSLSocket.getpeercert(). - -- Issue #21827: Fixed textwrap.dedent() for the case when largest common - whitespace is a substring of smallest leading whitespace. - Based on patch by Robert Li. - -- Issue #25471: Sockets returned from accept() shouldn't appear to be - nonblocking. - -- Issue #25441: asyncio: Raise error from drain() when socket is closed. - -- Issue #25411: Improved Unicode support in SMTPHandler through better use of - the email package. Thanks to user simon04 for the patch. - -- Issue #25380: Fixed protocol for the STACK_GLOBAL opcode in - pickletools.opcodes. - -- Issue #23972: Updates asyncio datagram create method allowing reuseport - and reuseaddr socket options to be set prior to binding the socket. - Mirroring the existing asyncio create_server method the reuseaddr option - for datagram sockets defaults to True if the O/S is 'posix' (except if the - platform is Cygwin). Patch by Chris Laws. - -- Issue #25304: Add asyncio.run_coroutine_threadsafe(). This lets you - submit a coroutine to a loop from another thread, returning a - concurrent.futures.Future. By Vincent Michel. - -- Issue #25319: When threading.Event is reinitialized, the underlying condition - should use a regular lock rather than a recursive lock. - -- Issue #25232: Fix CGIRequestHandler to split the query from the URL at the - first question mark (?) rather than the last. Patch from Xiang Zhang. - -- Issue #24657: Prevent CGIRequestHandler from collapsing slashes in the - query part of the URL as if it were a path. Patch from Xiang Zhang. - -- Issue #22958: Constructor and update method of weakref.WeakValueDictionary - now accept the self and the dict keyword arguments. - -- Issue #22609: Constructor of collections.UserDict now accepts the self keyword - argument. - -- Issue #25262. Added support for BINBYTES8 opcode in Python implementation of - unpickler. Highest 32 bits of 64-bit size for BINUNICODE8 and BINBYTES8 - opcodes no longer silently ignored on 32-bit platforms in C implementation. - -- Issue #25034: Fix string.Formatter problem with auto-numbering and - nested format_specs. Patch by Anthon van der Neut. - -- Issue #25233: Rewrite the guts of asyncio.Queue and - asyncio.Semaphore to be more understandable and correct. - -- Issue #23600: Default implementation of tzinfo.fromutc() was returning - wrong results in some cases. - -- Issue #25203: Failed readline.set_completer_delims() no longer left the - module in inconsistent state. - -- Prevent overflow in _Unpickler_Read. - -- Issue #25047: The XML encoding declaration written by Element Tree now - respects the letter case given by the user. This restores the ability to - write encoding names in uppercase like "UTF-8", which worked in Python 2. - -- Issue #19143: platform module now reads Windows version from kernel32.dll to - avoid compatibility shims. - -- Issue #23517: Fix rounding in fromtimestamp() and utcfromtimestamp() methods - of datetime.datetime: microseconds are now rounded to nearest with ties - going to nearest even integer (ROUND_HALF_EVEN), instead of being rounding - towards zero (ROUND_DOWN). It's important that these methods use the same - rounding mode than datetime.timedelta to keep the property: - (datetime(1970,1,1) + timedelta(seconds=t)) == datetime.utcfromtimestamp(t). - It also the rounding mode used by round(float) for example. - -- Issue #24684: socket.socket.getaddrinfo() now calls - PyUnicode_AsEncodedString() instead of calling the encode() method of the - host, to handle correctly custom string with an encode() method which doesn't - return a byte string. The encoder of the IDNA codec is now called directly - instead of calling the encode() method of the string. - -- Issue #24982: shutil.make_archive() with the "zip" format now adds entries - for directories (including empty directories) in ZIP file. - -- Issue #24857: Comparing call_args to a long sequence now correctly returns a - boolean result instead of raising an exception. Patch by A Kaptur. - -- Issue #25019: Fixed a crash caused by setting non-string key of expat parser. - Based on patch by John Leitch. - -- Issue #24917: time_strftime() buffer over-read. - -- Issue #23144: Make sure that HTMLParser.feed() returns all the data, even - when convert_charrefs is True. - -- Issue #16180: Exit pdb if file has syntax error, instead of trapping user - in an infinite loop. Patch by Xavier de Gaye. - -- Issue #21112: Fix regression in unittest.expectedFailure on subclasses. - Patch from Berker Peksag. - -- Issue #24931: Instances of subclasses of namedtuples have their own __dict__ - which breaks the inherited __dict__ property and breaks the _asdict() method. - Removed the __dict__ property to prevent the conflict and fixed _asdict(). - -- Issue #24764: cgi.FieldStorage.read_multi() now ignores the Content-Length - header in part headers. Patch written by Peter Landry and reviewed by Pierre - Quentel. - -- Issue #24774: Fix docstring in http.server.test. Patch from Chiu-Hsiang Hsu. - -- Issue #21159: Improve message in configparser.InterpolationMissingOptionError. - Patch from Łukasz Langa. - -- Issue #23888: Handle fractional time in cookie expiry. Patch by ssh. - -- Issue #23004: mock_open() now reads binary data correctly when the type of - read_data is bytes. Initial patch by Aaron Hill. - -- Issue #23652: Make it possible to compile the select module against the - libc headers from the Linux Standard Base, which do not include some - EPOLL macros. Patch by Matt Frank. - -- Issue #22932: Fix timezones in email.utils.formatdate. - Patch from Dmitry Shachnev. - -- Issue #23779: imaplib raises TypeError if authenticator tries to abort. - Patch from Craig Holmquist. - -- Issue #23319: Fix ctypes.BigEndianStructure, swap correctly bytes. Patch - written by Matthieu Gautier. - -- Issue #23254: Document how to close the TCPServer listening socket. - Patch from Martin Panter. - -- Issue #19450: Update Windows and OS X installer builds to use SQLite 3.8.11. - -- Issue #23441: rcompleter now prints a tab character instead of displaying - possible completions for an empty word. Initial patch by Martin Sekera. - -- Issue #24735: Fix invalid memory access in - itertools.combinations_with_replacement(). - -- Issue #17527: Add PATCH to wsgiref.validator. Patch from Luca Sbardella. - -- Issue #24683: Fixed crashes in _json functions called with arguments of - inappropriate type. - -- Issue #21697: shutil.copytree() now correctly handles symbolic links that - point to directories. Patch by Eduardo Seabra and Thomas Kluyver. - -- Issue #24620: Random.setstate() now validates the value of state last element. - -- Issue #22153: Improve unittest docs. Patch from Martin Panter and evilzero. - -- Issue #24206: Fixed __eq__ and __ne__ methods of inspect classes. - -- Issue #21750: mock_open.read_data can now be read from each instance, as it - could in Python 3.3. - -- Issue #23247: Fix a crash in the StreamWriter.reset() of CJK codecs. - -- Issue #18622: unittest.mock.mock_open().reset_mock would recurse infinitely. - Patch from Nicola Palumbo and Laurent De Buyst. - -- Issue #24608: chunk.Chunk.read() now always returns bytes, not str. - -- Issue #18684: Fixed reading out of the buffer in the re module. - -- Issue #24259: tarfile now raises a ReadError if an archive is truncated - inside a data segment. - -- Issue #24552: Fix use after free in an error case of the _pickle module. - -- Issue #24514: tarfile now tolerates number fields consisting of only - whitespace. - -- Issue #19176: Fixed doctype() related bugs in C implementation of ElementTree. - A deprecation warning no longer issued by XMLParser subclass with default - doctype() method. Direct call of doctype() now issues a warning. Parser's - doctype() now is not called if target's doctype() is called. Based on patch - by Martin Panter. - -- Issue #20387: Restore semantic round-trip correctness in tokenize/untokenize - for tab-indented blocks. - -- Issue #24456: Fixed possible buffer over-read in adpcm2lin() and lin2adpcm() - functions of the audioop module. - -- Issue #24336: The contextmanager decorator now works with functions with - keyword arguments called "func" and "self". Patch by Martin Panter. - -- Issue #24489: ensure a previously set C errno doesn't disturb cmath.polar(). - -- Issue #5633: Fixed timeit when the statement is a string and the setup is not. - -- Issue #24326: Fixed audioop.ratecv() with non-default weightB argument. - Original patch by David Moore. - -- Issue #23840: tokenize.open() now closes the temporary binary file on error - to fix a resource warning. - -- Issue #24257: Fixed segmentation fault in sqlite3.Row constructor with faked - cursor type. - -- Issue #22107: tempfile.gettempdir() and tempfile.mkdtemp() now try again - when a directory with the chosen name already exists on Windows as well as - on Unix. tempfile.mkstemp() now fails early if parent directory is not - valid (not exists or is a file) on Windows. - -- Issue #6598: Increased time precision and random number range in - email.utils.make_msgid() to strengthen the uniqueness of the message ID. - -- Issue #24091: Fixed various crashes in corner cases in C implementation of - ElementTree. - -- Issue #21931: msilib.FCICreate() now raises TypeError in the case of a bad - argument instead of a ValueError with a bogus FCI error number. - Patch by Jeffrey Armstrong. - -- Issue #23796: peek and read1 methods of BufferedReader now raise ValueError - if they called on a closed object. Patch by John Hergenroeder. - -- Issue #24521: Fix possible integer overflows in the pickle module. - -- Issue #22931: Allow '[' and ']' in cookie values. - -- Issue #20274: Remove ignored and erroneous "kwargs" parameters from three - METH_VARARGS methods on _sqlite.Connection. - -- Issue #24094: Fix possible crash in json.encode with poorly behaved dict - subclasses. - -- Asyncio issue 222 / PR 231 (Victor Stinner) -- fix @coroutine - functions without __name__. - -- Issue #9246: On POSIX, os.getcwd() now supports paths longer than 1025 bytes. - Patch written by William Orr. - -- The keywords attribute of functools.partial is now always a dictionary. - -- Issues #24099, #24100, and #24101: Fix free-after-use bug in heapq's siftup - and siftdown functions. - -- Backport collections.deque fixes from Python 3.5. Prevents reentrant badness - during deletion by deferring the decref until the container has been restored - to a consistent state. - -- Issue #23008: Fixed resolving attributes with boolean value is False in pydoc. - -- Fix asyncio issue 235: LifoQueue and PriorityQueue's put didn't - increment unfinished tasks (this bug was introduced in 3.4.3 when - JoinableQueue was merged with Queue). - -- Issue #23908: os functions now reject paths with embedded null character - on Windows instead of silently truncate them. - -- Issue #23728: binascii.crc_hqx() could return an integer outside of the range - 0-0xffff for empty data. - -- Issue #23811: Add missing newline to the PyCompileError error message. - Patch by Alex Shkop. - -- Issue #17898: Fix exception in gettext.py when parsing certain plural forms. - -- Issue #22982: Improve BOM handling when seeking to multiple positions of - a writable text file. - -- Issue #23865: close() methods in multiple modules now are idempotent and more - robust at shutdown. If they need to release multiple resources, all are - released even if errors occur. - -- Issue #23881: urllib.request.ftpwrapper constructor now closes the socket if - the FTP connection failed to fix a ResourceWarning. - -- Issue #23400: Raise same exception on both Python 2 and 3 if sem_open is not - available. Patch by Davin Potts. - -- Issue #15133: _tkinter.tkapp.getboolean() now supports Tcl_Obj and always - returns bool. tkinter.BooleanVar now validates input values (accepted bool, - int, str, and Tcl_Obj). tkinter.BooleanVar.get() now always returns bool. - -- Issue #23338: Fixed formatting ctypes error messages on Cygwin. - Patch by Makoto Kato. - -- Issue #16840: Tkinter now supports 64-bit integers added in Tcl 8.4 and - arbitrary precision integers added in Tcl 8.5. - -- Issue #23834: Fix socket.sendto(), use the C Py_ssize_t type to store the - result of sendto() instead of the C int type. - -- Issue #21526: Tkinter now supports new boolean type in Tcl 8.5. - -- Issue #23838: linecache now clears the cache and returns an empty result on - MemoryError. - -- Issue #18473: Fixed 2to3 and 3to2 compatible pickle mappings. Fixed - ambigious reverse mappings. Added many new mappings. Import mapping is no - longer applied to modules already mapped with full name mapping. - -- Issue #23745: The new email header parser now handles duplicate MIME - parameter names without error, similar to how get_param behaves. - -- Issue #23792: Ignore KeyboardInterrupt when the pydoc pager is active. - This mimics the behavior of the standard unix pagers, and prevents - pipepager from shutting down while the pager itself is still running. - -- Issue #23742: ntpath.expandvars() no longer loses unbalanced single quotes. - -- Issue #21802: The reader in BufferedRWPair now is closed even when closing - writer failed in BufferedRWPair.close(). - -- Issue #23671: string.Template now allows to specify the "self" parameter as - keyword argument. string.Formatter now allows to specify the "self" and - the "format_string" parameters as keyword arguments. - -- Issue #21560: An attempt to write a data of wrong type no longer cause - GzipFile corruption. Original patch by Wolfgang Maier. - -- Issue #23647: Increase impalib's MAXLINE to accommodate modern mailbox sizes. - -- Issue #23539: If body is None, http.client.HTTPConnection.request now sets - Content-Length to 0 for PUT, POST, and PATCH headers to avoid 411 errors from - some web servers. - -- Issue #22351: The nntplib.NNTP constructor no longer leaves the connection - and socket open until the garbage collector cleans them up. Patch by - Martin Panter. - -- Issue #23136: _strptime now uniformly handles all days in week 0, including - Dec 30 of previous year. Based on patch by Jim Carroll. - -- Issue #23700: Iterator of NamedTemporaryFile now keeps a reference to - NamedTemporaryFile instance. Patch by Bohuslav Kabrda. - -- Issue #22903: The fake test case created by unittest.loader when it fails - importing a test module is now picklable. - -- Issue #23568: Add rdivmod support to MagicMock() objects. - Patch by Håkan Lövdahl. - -- Issue #23138: Fixed parsing cookies with absent keys or values in cookiejar. - Patch by Demian Brecht. - -- Issue #23051: multiprocessing.Pool methods imap() and imap_unordered() now - handle exceptions raised by an iterator. Patch by Alon Diamant and Davin - Potts. - -- Issue #22928: Disabled HTTP header injections in http.client. - Original patch by Demian Brecht. - -- Issue #23615: Modules bz2, tarfile and tokenize now can be reloaded with - imp.reload(). Patch by Thomas Kluyver. - -- Issue #23476: In the ssl module, enable OpenSSL's X509_V_FLAG_TRUSTED_FIRST - flag on certificate stores when it is available. - -- Issue #23576: Avoid stalling in SSL reads when EOF has been reached in the - SSL layer but the underlying connection hasn't been closed. - -- Issue #23504: Added an __all__ to the types module. - -- Issue #20204: Added the __module__ attribute to _tkinter classes. - -- Issue #23521: Corrected pure python implementation of timedelta division. - - * Eliminated OverflowError from timedelta * float for some floats; - * Corrected rounding in timedlta true division. - -- Issue #21619: Popen objects no longer leave a zombie after exit in the with - statement if the pipe was broken. Patch by Martin Panter. - -- Issue #6639: Module-level turtle functions no longer raise TclError after - closing the window. - -- Issues #814253, #9179: Warnings now are raised when group references and - conditional group references are used in lookbehind assertions in regular - expressions. - -- Issue #23215: Multibyte codecs with custom error handlers that ignores errors - consumed too much memory and raised SystemError or MemoryError. - Original patch by Aleksi Torhamo. - -- Issue #5700: io.FileIO() called flush() after closing the file. - flush() was not called in close() if closefd=False. - -- Issue #23374: Fixed pydoc failure with non-ASCII files when stdout encoding - differs from file system encoding (e.g. on Mac OS). - -- Issue #23481: Remove RC4 from the SSL module's default cipher list. - -- Issue #21548: Fix pydoc.synopsis() and pydoc.apropos() on modules with empty - docstrings. - -- Issue #22885: Fixed arbitrary code execution vulnerability in the dbm.dumb - module. Original patch by Claudiu Popa. - -- Issue #23146: Fix mishandling of absolute Windows paths with forward - slashes in pathlib. - -- Issue #23421: Fixed compression in tarfile CLI. Patch by wdv4758h. - -- Issue #23367: Fix possible overflows in the unicodedata module. - -- Issue #23361: Fix possible overflow in Windows subprocess creation code. - -- Issue #23801: Fix issue where cgi.FieldStorage did not always ignore the - entire preamble to a multipart body. - -- Issue #23310: Fix MagicMock's initializer to work with __methods__, just - like configure_mock(). Patch by Kasia Jachim. - -- asyncio: New event loop APIs: set_task_factory() and get_task_factory(). - -- asyncio: async() function is deprecated in favour of ensure_future(). - -- Issue #23898: Fix inspect.classify_class_attrs() to support attributes - with overloaded __eq__ and __bool__. Patch by Mike Bayer. - -- Issue #24298: Fix inspect.signature() to correctly unwrap wrappers - around bound methods. - -- Issue #23572: Fixed functools.singledispatch on classes with falsy - metaclasses. Patch by Ethan Furman. - -IDLE ----- - -- Issue 15348: Stop the debugger engine (normally in a user process) - before closing the debugger window (running in the IDLE process). - This prevents the RuntimeErrors that were being caught and ignored. - -- Issue #24455: Prevent IDLE from hanging when a) closing the shell while the - debugger is active (15347); b) closing the debugger with the [X] button - (15348); and c) activating the debugger when already active (24455). - The patch by Mark Roseman does this by making two changes. - 1. Suspend and resume the gui.interaction method with the tcl vwait - mechanism intended for this purpose (instead of root.mainloop & .quit). - 2. In gui.run, allow any existing interaction to terminate first. - -- Change 'The program' to 'Your program' in an IDLE 'kill program?' message - to make it clearer that the program referred to is the currently running - user program, not IDLE itself. - -- Issue #24750: Improve the appearance of the IDLE editor window status bar. - Patch by Mark Roseman. - -- Issue #25313: Change the handling of new built-in text color themes to better - address the compatibility problem introduced by the addition of IDLE Dark. - Consistently use the revised idleConf.CurrentTheme everywhere in idlelib. - -- Issue #24782: Extension configuration is now a tab in the IDLE Preferences - dialog rather than a separate dialog. The former tabs are now a sorted - list. Patch by Mark Roseman. - -- Issue #22726: Re-activate the config dialog help button with some content - about the other buttons and the new IDLE Dark theme. - -- Issue #24820: IDLE now has an 'IDLE Dark' built-in text color theme. - It is more or less IDLE Classic inverted, with a cobalt blue background. - Strings, comments, keywords, ... are still green, red, orange, ... . - To use it with IDLEs released before November 2015, hit the - 'Save as New Custom Theme' button and enter a new name, - such as 'Custom Dark'. The custom theme will work with any IDLE - release, and can be modified. - -- Issue #25224: README.txt is now an idlelib index for IDLE developers and - curious users. The previous user content is now in the IDLE doc chapter. - 'IDLE' now means 'Integrated Development and Learning Environment'. - -- Issue #24820: Users can now set breakpoint colors in - Settings -> Custom Highlighting. Original patch by Mark Roseman. - -- Issue #24972: Inactive selection background now matches active selection - background, as configured by users, on all systems. Found items are now - always highlighted on Windows. Initial patch by Mark Roseman. - -- Issue #24570: Idle: make calltip and completion boxes appear on Macs - affected by a tk regression. Initial patch by Mark Roseman. - -- Issue #24988: Idle ScrolledList context menus (used in debugger) - now work on Mac Aqua. Patch by Mark Roseman. - -- Issue #24801: Make right-click for context menu work on Mac Aqua. - Patch by Mark Roseman. - -- Issue #25173: Associate tkinter messageboxes with a specific widget. - For Mac OSX, make them a 'sheet'. Patch by Mark Roseman. - -- Issue #25198: Enhance the initial html viewer now used for Idle Help. - * Properly indent fixed-pitch text (patch by Mark Roseman). - * Give code snippet a very Sphinx-like light blueish-gray background. - * Re-use initial width and height set by users for shell and editor. - * When the Table of Contents (TOC) menu is used, put the section header - at the top of the screen. - -- Issue #25225: Condense and rewrite Idle doc section on text colors. - -- Issue #21995: Explain some differences between IDLE and console Python. - -- Issue #22820: Explain need for *print* when running file from Idle editor. - -- Issue #25224: Doc: augment Idle feature list and no-subprocess section. - -- Issue #25219: Update doc for Idle command line options. - Some were missing and notes were not correct. - -- Issue #24861: Most of idlelib is private and subject to change. - Use idleib.idle.* to start Idle. See idlelib.__init__.__doc__. - -- Issue #25199: Idle: add synchronization comments for future maintainers. - -- Issue #16893: Replace help.txt with help.html for Idle doc display. - The new idlelib/help.html is rstripped Doc/build/html/library/idle.html. - It looks better than help.txt and will better document Idle as released. - The tkinter html viewer that works for this file was written by Mark Roseman. - The now unused EditorWindow.HelpDialog class and helt.txt file are deprecated. - -- Issue #24199: Deprecate unused idlelib.idlever with possible removal in 3.6. - -- Issue #24790: Remove extraneous code (which also create 2 & 3 conflicts). - -- Issue #23672: Allow Idle to edit and run files with astral chars in name. - Patch by Mohd Sanad Zaki Rizvi. - -- Issue 24745: Idle editor default font. Switch from Courier to - platform-sensitive TkFixedFont. This should not affect current customized - font selections. If there is a problem, edit $HOME/.idlerc/config-main.cfg - and remove 'fontxxx' entries from [Editor Window]. Patch by Mark Roseman. - -- Issue #21192: Idle editor. When a file is run, put its name in the restart bar. - Do not print false prompts. Original patch by Adnan Umer. - -- Issue #13884: Idle menus. Remove tearoff lines. Patch by Roger Serwy. - -- Issue #23184: remove unused names and imports in idlelib. - Initial patch by Al Sweigart. - -Tests ------ - -- Issue #25616: Tests for OrderedDict are extracted from test_collections - into separate file test_ordered_dict. - -- Issue #25099: Make test_compileall not fail when an entry on sys.path cannot - be written to (commonly seen in administrative installs on Windows). - -- Issue #24751: When running regrtest with the ``-w`` command line option, - a test run is no longer marked as a failure if all tests succeed when - re-run. - -- Issue #21520: test_zipfile no longer fails if the word 'bad' appears - anywhere in the name of the current directory. - -- Issue #23799: Added test.support.start_threads() for running and - cleaning up multiple threads. - -- Issue #22390: test.regrtest now emits a warning if temporary files or - directories are left after running a test. - -- Issue #23583: Added tests for standard IO streams in IDLE. - -Build ------ - -- Issue #23445: pydebug builds now use "gcc -Og" where possible, to make - the resulting executable faster. - -- Issue #24603: Update Windows builds to use OpenSSL1.0.2d - and OS X 10.5 installer to use OpenSSL 1.0.2e. - -C API ------ - -- Issue #23998: PyImport_ReInitLock() now checks for lock allocation error - -Documentation -------------- - -- Issue #12067: Rewrite Comparisons section in the Expressions chapter of the - language reference. Some of the details of comparing mixed types were - incorrect or ambiguous. NotImplemented is only relevant at a lower level - than the Expressions chapter. Added details of comparing range() objects, - and default behaviour and consistency suggestions for user-defined classes. - Patch from Andy Maier. - -- Issue #24952: Clarify the default size argument of stack_size() in - the "threading" and "_thread" modules. Patch from Mattip. - -- Issue #24808: Update the types of some PyTypeObject fields. Patch by - Joseph Weston. - -- Issue #22812: Fix unittest discovery examples. - Patch from Pam McA'Nulty. - -- Issue #24129: Clarify the reference documentation for name resolution. - This includes removing the assumption that readers will be familiar with the - name resolution scheme Python used prior to the introduction of lexical - scoping for function namespaces. Patch by Ivan Levkivskyi. - -- Issue #20769: Improve reload() docs. Patch by Dorian Pula. - -- Issue #23589: Remove duplicate sentence from the FAQ. Patch by Yongzhi Pan. - -- Issue #24729: Correct IO tutorial to match implementation regarding - encoding parameter to open function. - -- Issue #24351: Clarify what is meant by "identifier" in the context of - string.Template instances. - -- Issue #22155: Add File Handlers subsection with createfilehandler to tkinter - doc. Remove obsolete example from FAQ. Patch by Martin Panter. - -- Issue #24029: Document the name binding behavior for submodule imports. - -- Issue #24077: Fix typo in man page for -I command option: -s, not -S. - -Tools/Demos ------------ - -- Issue #25440: Fix output of python-config --extension-suffix. - -- Issue #23330: h2py now supports arbitrary filenames in #include. - -- Issue #24031: make patchcheck now supports git checkouts, too. - -Windows -------- - -- Issue #24306: Sets component ID for launcher to match 3.5 and later - to avoid downgrading. - -- Issue #25022: Removed very outdated PC/example_nt/ directory. - - -What's New in Python 3.4.3? -=========================== - -Release date: 2015-02-23 - -Core and Builtins ------------------ - -- Issue #22735: Fix many edge cases (including crashes) involving custom mro() - implementations. - -- Issue #22896: Avoid using PyObject_AsCharBuffer(), PyObject_AsReadBuffer() - and PyObject_AsWriteBuffer(). - -- Issue #21295: Revert some changes (issue #16795) to AST line numbers and - column offsets that constituted a regression. - -- Issue #21408: The default __ne__() now returns NotImplemented if __eq__() - returned NotImplemented. Original patch by Martin Panter. - -- Issue #23321: Fixed a crash in str.decode() when error handler returned - replacment string longer than mailformed input data. - -- Issue #23048: Fix jumping out of an infinite while loop in the pdb. - -- Issue #20335: bytes constructor now raises TypeError when encoding or errors - is specified with non-string argument. Based on patch by Renaud Blanch. - -- Issue #22335: Fix crash when trying to enlarge a bytearray to 0x7fffffff - bytes on a 32-bit platform. - -- Issue #22653: Fix an assertion failure in debug mode when doing a reentrant - dict insertion in debug mode. - -- Issue #22643: Fix integer overflow in Unicode case operations (upper, lower, - title, swapcase, casefold). - -- Issue #22604: Fix assertion error in debug mode when dividing a complex - number by (nan+0j). - -- Issue #22470: Fixed integer overflow issues in "backslashreplace", - "xmlcharrefreplace", and "surrogatepass" error handlers. - -- Issue #22520: Fix overflow checking when generating the repr of a unicode - object. - -- Issue #22519: Fix overflow checking in PyBytes_Repr. - -- Issue #22518: Fix integer overflow issues in latin-1 encoding. - -- Issue #23165: Perform overflow checks before allocating memory in the - _Py_char2wchar function. - -Library -------- - -- Issue #23399: pyvenv creates relative symlinks where possible. - -- Issue #23099: Closing io.BytesIO with exported buffer is rejected now to - prevent corrupting exported buffer. - -- Issue #23363: Fix possible overflow in itertools.permutations. - -- Issue #23364: Fix possible overflow in itertools.product. - -- Issue #23366: Fixed possible integer overflow in itertools.combinations. - -- Issue #23369: Fixed possible integer overflow in - _json.encode_basestring_ascii. - -- Issue #23353: Fix the exception handling of generators in - PyEval_EvalFrameEx(). At entry, save or swap the exception state even if - PyEval_EvalFrameEx() is called with throwflag=0. At exit, the exception state - is now always restored or swapped, not only if why is WHY_YIELD or - WHY_RETURN. Patch co-written with Antoine Pitrou. - -- Issue #18518: timeit now rejects statements which can't be compiled outside - a function or a loop (e.g. "return" or "break"). - -- Issue #23094: Fixed readline with frames in Python implementation of pickle. - -- Issue #23268: Fixed bugs in the comparison of ipaddress classes. - -- Issue #21408: Removed incorrect implementations of __ne__() which didn't - returned NotImplemented if __eq__() returned NotImplemented. The default - __ne__() now works correctly. - -- Issue #19996: :class:`email.feedparser.FeedParser` now handles (malformed) - headers with no key rather than assuming the body has started. - -- Issue #23248: Update ssl error codes from latest OpenSSL git master. - -- Issue #23098: 64-bit dev_t is now supported in the os module. - -- Issue #23250: In the http.cookies module, capitalize "HttpOnly" and "Secure" - as they are written in the standard. - -- Issue #23063: In the disutils' check command, fix parsing of reST with code or - code-block directives. - -- Issue #23209, #23225: selectors.BaseSelector.close() now clears its internal - reference to the selector mapping to break a reference cycle. Initial patch - written by Martin Richard. - -- Issue #21356: Make ssl.RAND_egd() optional to support LibreSSL. The - availability of the function is checked during the compilation. Patch written - by Bernard Spil. - -- Issue #20896, #22935: The :func:`ssl.get_server_certificate` function now - uses the :data:`~ssl.PROTOCOL_SSLv23` protocol by default, not - :data:`~ssl.PROTOCOL_SSLv3`, for maximum compatibility and support platforms - where :data:`~ssl.PROTOCOL_SSLv3` support is disabled. - -- Issue #23111: In the ftplib, make ssl.PROTOCOL_SSLv23 the default protocol - version. - -- Issue #23132: Mitigate regression in speed and clarity in functools.total_ordering. - -- Issue #22585: On OpenBSD 5.6 and newer, os.urandom() now calls getentropy(), - instead of reading /dev/urandom, to get pseudo-random bytes. - -- Issue #23112: Fix SimpleHTTPServer to correctly carry the query string and - fragment when it redirects to add a trailing slash. - -- Issue #23093: In the io, module allow more operations to work on detached - streams. - -- Issue #19104: pprint now produces evaluable output for wrapped strings. - -- Issue #23071: Added missing names to codecs.__all__. Patch by Martin Panter. - -- Issue #15513: Added a __sizeof__ implementation for pickle classes. - -- Issue #19858: pickletools.optimize() now aware of the MEMOIZE opcode, can - produce more compact result and no longer produces invalid output if input - data contains MEMOIZE opcodes together with PUT or BINPUT opcodes. - -- Issue #22095: Fixed HTTPConnection.set_tunnel with default port. The port - value in the host header was set to "None". Patch by Demian Brecht. - -- Issue #23016: A warning no longer produces an AttributeError when the program - is run with pythonw.exe. - -- Issue #21775: shutil.copytree(): fix crash when copying to VFAT. An exception - handler assumed that that OSError objects always have a 'winerror' attribute. - That is not the case, so the exception handler itself raised AttributeError - when run on Linux (and, presumably, any other non-Windows OS). - Patch by Greg Ward. - -- Issue #1218234: Fix inspect.getsource() to load updated source of - reloaded module. Initial patch by Berker Peksag. - -- Issue #22959: In the constructor of http.client.HTTPSConnection, prefer the - context's check_hostname attribute over the *check_hostname* parameter. - -- Issue #16043: Add a default limit for the amount of data xmlrpclib.gzip_decode - will return. This resolves CVE-2013-1753. - -- Issue #22966: Fix __pycache__ pyc file name clobber when pyc_compile is - asked to compile a source file containing multiple dots in the source file - name. - -- Issue #21971: Update turtledemo doc and add module to the index. - -- Issue #21032. Fixed socket leak if HTTPConnection.getresponse() fails. - Original patch by Martin Panter. - -- Issue #22960: Add a context argument to xmlrpclib.ServerProxy constructor. - -- Issue #22915: SAX parser now supports files opened with file descriptor or - bytes path. - -- Issue #22609: Constructors and update methods of mapping classes in the - collections module now accept the self keyword argument. - -- Issue #22788: Add *context* parameter to logging.handlers.HTTPHandler. - -- Issue #22921: Allow SSLContext to take the *hostname* parameter even if - OpenSSL doesn't support SNI. - -- Issue #22894: TestCase.subTest() would cause the test suite to be stopped - when in failfast mode, even in the absence of failures. - -- Issue #22638: SSLv3 is now disabled throughout the standard library. - It can still be enabled by instantiating a SSLContext manually. - -- Issue #22370: Windows detection in pathlib is now more robust. - -- Issue #22841: Reject coroutines in asyncio add_signal_handler(). - Patch by Ludovic.Gasc. - -- Issue #22849: Fix possible double free in the io.TextIOWrapper constructor. - -- Issue #12728: Different Unicode characters having the same uppercase but - different lowercase are now matched in case-insensitive regular expressions. - -- Issue #22821: Fixed fcntl() with integer argument on 64-bit big-endian - platforms. - -- Issue #22406: Fixed the uu_codec codec incorrectly ported to 3.x. - Based on patch by Martin Panter. - -- Issue #17293: uuid.getnode() now determines MAC address on AIX using netstat. - Based on patch by Aivars Kalvāns. - -- Issue #22769: Fixed ttk.Treeview.tag_has() when called without arguments. - -- Issue #22417: Verify certificates by default in httplib (PEP 476). - -- Issue #22775: Fixed unpickling of http.cookies.SimpleCookie with protocol 2 - and above. Patch by Tim Graham. - -- Issue #22366: urllib.request.urlopen will accept a context object - (SSLContext) as an argument which will then used be for HTTPS connection. - Patch by Alex Gaynor. - -- Issue #22776: Brought excluded code into the scope of a try block in - SysLogHandler.emit(). - -- Issue #22665: Add missing get_terminal_size and SameFileError to - shutil.__all__. - -- Issue #17381: Fixed handling of case-insensitive ranges in regular - expressions. - -- Issue #22410: Module level functions in the re module now cache compiled - locale-dependent regular expressions taking into account the locale. - -- Issue #22759: Query methods on pathlib.Path() (exists(), is_dir(), etc.) - now return False when the underlying stat call raises NotADirectoryError. - -- Issue #8876: distutils now falls back to copying files when hard linking - doesn't work. This allows use with special filesystems such as VirtualBox - shared folders. - -- Issue #18853: Fixed ResourceWarning in shlex.__nain__. - -- Issue #9351: Defaults set with set_defaults on an argparse subparser - are no longer ignored when also set on the parent parser. - -- Issue #21991: Make email.headerregistry's header 'params' attributes - be read-only (MappingProxyType). Previously the dictionary was modifiable - but a new one was created on each access of the attribute. - -- Issue #22641: In asyncio, the default SSL context for client connections - is now created using ssl.create_default_context(), for stronger security. - -- Issue #22435: Fix a file descriptor leak when SocketServer bind fails. - -- Issue #13096: Fixed segfault in CTypes POINTER handling of large - values. - -- Issue #11694: Raise ConversionError in xdrlib as documented. Patch - by Filip Gruszczyński and Claudiu Popa. - -- Issue #22462: Fix pyexpat's creation of a dummy frame to make it - appear in exception tracebacks. - -- Issue #21173: Fix len() on a WeakKeyDictionary when .clear() was called - with an iterator alive. - -- Issue #11866: Eliminated race condition in the computation of names - for new threads. - -- Issue #21905: Avoid RuntimeError in pickle.whichmodule() when sys.modules - is mutated while iterating. Patch by Olivier Grisel. - -- Issue #22219: The zipfile module CLI now adds entries for directories - (including empty directories) in ZIP file. - -- Issue #22449: In the ssl.SSLContext.load_default_certs, consult the - environmental variables SSL_CERT_DIR and SSL_CERT_FILE on Windows. - -- Issue #20076: Added non derived UTF-8 aliases to locale aliases table. - -- Issue #20079: Added locales supported in glibc 2.18 to locale alias table. - -- Issue #22396: On 32-bit AIX platform, don't expose os.posix_fadvise() nor - os.posix_fallocate() because their prototypes in system headers are wrong. - -- Issue #22517: When a io.BufferedRWPair object is deallocated, clear its - weakrefs. - -- Issue #22448: Improve canceled timer handles cleanup to prevent - unbound memory usage. Patch by Joshua Moore-Oliva. - -- Issue #23009: Make sure selectors.EpollSelecrtor.select() works when no - FD is registered. - -IDLE ----- - -- Issue #20577: Configuration of the max line length for the FormatParagraph - extension has been moved from the General tab of the Idle preferences dialog - to the FormatParagraph tab of the Config Extensions dialog. - Patch by Tal Einat. - -- Issue #16893: Update Idle doc chapter to match current Idle and add new - information. - -- Issue #3068: Add Idle extension configuration dialog to Options menu. - Changes are written to HOME/.idlerc/config-extensions.cfg. - Original patch by Tal Einat. - -- Issue #16233: A module browser (File : Class Browser, Alt+C) requires an - editor window with a filename. When Class Browser is requested otherwise, - from a shell, output window, or 'Untitled' editor, Idle no longer displays - an error box. It now pops up an Open Module box (Alt+M). If a valid name - is entered and a module is opened, a corresponding browser is also opened. - -- Issue #4832: Save As to type Python files automatically adds .py to the - name you enter (even if your system does not display it). Some systems - automatically add .txt when type is Text files. - -- Issue #21986: Code objects are not normally pickled by the pickle module. - To match this, they are no longer pickled when running under Idle. - -- Issue #23180: Rename IDLE "Windows" menu item to "Window". - Patch by Al Sweigart. - -Tests ------ - -- Issue #23392: Added tests for marshal C API that works with FILE*. - -- Issue #18982: Add tests for CLI of the calendar module. - -- Issue #19548: Added some additional checks to test_codecs to ensure that - statements in the updated documentation remain accurate. Patch by Martin - Panter. - -- Issue #22838: All test_re tests now work with unittest test discovery. - -- Issue #22173: Update lib2to3 tests to use unittest test discovery. - -- Issue #16000: Convert test_curses to use unittest. - -- Issue #21456: Skip two tests in test_urllib2net.py if _ssl module not - present. Patch by Remi Pointel. - -- Issue #22770: Prevent some Tk segfaults on OS X when running gui tests. - -- Issue #23211: Workaround test_logging failure on some OS X 10.6 systems. - -- Issue #23345: Prevent test_ssl failures with large OpenSSL patch level - values (like 0.9.8zc). - -- Issue #22289: Prevent test_urllib2net failures due to ftp connection timeout. - -Build ------ - -- Issue #15506: Use standard PKG_PROG_PKG_CONFIG autoconf macro in the configure - script. - -- Issue #22935: Allow the ssl module to be compiled if openssl doesn't support - SSL 3. - -- Issue #16537: Check whether self.extensions is empty in setup.py. Patch by - Jonathan Hosmer. - -- Issue #18096: Fix library order returned by python-config. - -- Issue #17219: Add library build dir for Python extension cross-builds. - -- Issue #17128: Use private version of OpenSSL for 3.4.3 OS X 10.5+ installer. - -C API ------ - -- Issue #22079: PyType_Ready() now checks that statically allocated type has - no dynamically allocated bases. - -Documentation -------------- - -- Issue #19548: Update the codecs module documentation to better cover the - distinction between text encodings and other codecs, together with other - clarifications. Patch by Martin Panter. - -- Issue #22914: Update the Python 2/3 porting HOWTO to describe a more automated - approach. - -- Issue #21514: The documentation of the json module now refers to new JSON RFC - 7159 instead of obsoleted RFC 4627. - -Tools/Demos ------------ - -- Issue #22314: pydoc now works when the LINES environment variable is set. - -Windows -------- - -- Issue #17896: The Windows build scripts now expect external library sources - to be in ``PCbuild\..\externals`` rather than ``PCbuild\..\..``. - -- Issue #17717: The Windows build scripts now use a copy of NASM pulled from - svn.python.org to build OpenSSL. - -- Issue #22644: The bundled version of OpenSSL has been updated to 1.0.1j. - - -What's New in Python 3.4.2? -=========================== - -Release date: 2014-10-06 - -Library -------- - -- Issue #10510: distutils register and upload methods now use HTML standards - compliant CRLF line endings. - -- Issue #9850: Fixed macpath.join() for empty first component. Patch by - Oleg Oshmyan. - -- Issue #22427: TemporaryDirectory no longer attempts to clean up twice when - used in the with statement in generator. - -- Issue #20912: Now directories added to ZIP file have correct Unix and MS-DOS - directory attributes. - -- Issue #21866: ZipFile.close() no longer writes ZIP64 central directory - records if allowZip64 is false. - -- Issue #22415: Fixed debugging output of the GROUPREF_EXISTS opcode in the re - module. Removed trailing spaces in debugging output. - -- Issue #22423: Unhandled exception in thread no longer causes unhandled - AttributeError when sys.stderr is None. - -- Issue #21332: Ensure that ``bufsize=1`` in subprocess.Popen() selects - line buffering, rather than block buffering. Patch by Akira Li. - - -What's New in Python 3.4.2rc1? -============================== - -Release date: 2014-09-22 - -Core and Builtins ------------------ - -- Issue #22258: Fix the the internal function set_inheritable() on Illumos. - This platform exposes the function ``ioctl(FIOCLEX)``, but calling it fails - with errno is ENOTTY: "Inappropriate ioctl for device". set_inheritable() - now falls back to the slower ``fcntl()`` (``F_GETFD`` and then ``F_SETFD``). - -- Issue #21669: With the aid of heuristics in SyntaxError.__init__, the - parser now attempts to generate more meaningful (or at least more search - engine friendly) error messages when "exec" and "print" are used as - statements. - -- Issue #21642: In the conditional if-else expression, allow an integer written - with no space between itself and the ``else`` keyword (e.g. ``True if 42else - False``) to be valid syntax. - -- Issue #21523: Fix over-pessimistic computation of the stack effect of - some opcodes in the compiler. This also fixes a quadratic compilation - time issue noticeable when compiling code with a large number of "and" - and "or" operators. - -Library -------- - -- Issue #21091: Fix API bug: email.message.EmailMessage.is_attachment is now - a method. Since EmailMessage is provisional, we can change the API in a - maintenance release, but we use a trick to remain backward compatible with - 3.4.0/1. - -- Issue #21079: Fix email.message.EmailMessage.is_attachment to return the - correct result when the header has parameters as well as a value. - -- Issue #22247: Add NNTPError to nntplib.__all__. - -- Issue #4180: The warnings registries are now reset when the filters - are modified. - -- Issue #22419: Limit the length of incoming HTTP request in wsgiref server to - 65536 bytes and send a 414 error code for higher lengths. Patch contributed - by Devin Cook. - -- Lax cookie parsing in http.cookies could be a security issue when combined - with non-standard cookie handling in some Web browsers. Reported by - Sergey Bobrov. - -- Issue #22384: An exception in Tkinter callback no longer crashes the program - when it is run with pythonw.exe. - -- Issue #22168: Prevent turtle AttributeError with non-default Canvas on OS X. - -- Issue #21147: sqlite3 now raises an exception if the request contains a null - character instead of truncate it. Based on patch by Victor Stinner. - -- Issue #21951: Fixed a crash in Tkinter on AIX when called Tcl command with - empty string or tuple argument. - -- Issue #21951: Tkinter now most likely raises MemoryError instead of crash - if the memory allocation fails. - -- Issue #22338: Fix a crash in the json module on memory allocation failure. - -- Issue #22226: First letter no longer is stripped from the "status" key in - the result of Treeview.heading(). - -- Issue #19524: Fixed resource leak in the HTTP connection when an invalid - response is received. Patch by Martin Panter. - -- Issue #22051: turtledemo no longer reloads examples to re-run them. - Initialization of variables and gui setup should be done in main(), - which is called each time a demo is run, but not on import. - -- Issue #21933: Turtledemo users can change the code font size with a menu - selection or control(command) '-' or '+' or control-mousewheel. - Original patch by Lita Cho. - -- Issue #21597: The separator between the turtledemo text pane and the drawing - canvas can now be grabbed and dragged with a mouse. The code text pane can - be widened to easily view or copy the full width of the text. The canvas - can be widened on small screens. Original patches by Jan Kanis and Lita Cho. - -- Issue #18132: Turtledemo buttons no longer disappear when the window is - shrunk. Original patches by Jan Kanis and Lita Cho. - -- Issue #22216: smtplib now resets its state more completely after a quit. The - most obvious consequence of the previous behavior was a STARTTLS failure - during a connect/starttls/quit/connect/starttls sequence. - -- Issue #22185: Fix an occasional RuntimeError in threading.Condition.wait() - caused by mutation of the waiters queue without holding the lock. Patch - by Doug Zongker. - -- Issue #22182: Use e.args to unpack exceptions correctly in - distutils.file_util.move_file. Patch by Claudiu Popa. - -- The webbrowser module now uses subprocess's start_new_session=True rather - than a potentially risky preexec_fn=os.setsid call. - -- Issue #22236: Fixed Tkinter images copying operations in NoDefaultRoot mode. - -- Issue #22191: Fix warnings.__all__. - -- Issue #15696: Add a __sizeof__ implementation for mmap objects on Windows. - -- Issue #22068: Avoided reference loops with Variables and Fonts in Tkinter. - -- Issue #22165: SimpleHTTPRequestHandler now supports undecodable file names. - -- Issue #8797: Raise HTTPError on failed Basic Authentication immediately. - Initial patch by Sam Bull. - -- Issue #20729: Restored the use of lazy iterkeys()/itervalues()/iteritems() - in the mailbox module. - -- Issue #21448: Changed FeedParser feed() to avoid O(N**2) behavior when - parsing long line. Original patch by Raymond Hettinger. - -- Issue #22184: The functools LRU Cache decorator factory now gives an earlier - and clearer error message when the user forgets the required parameters. - -- Issue #17923: glob() patterns ending with a slash no longer match non-dirs on - AIX. Based on patch by Delhallt. - -- Issue #21121: Don't force 3rd party C extensions to be built with - -Werror=declaration-after-statement. - -- Issue #21975: Fixed crash when using uninitialized sqlite3.Row (in particular - when unpickling pickled sqlite3.Row). sqlite3.Row is now initialized in the - __new__() method. - -- Issue #21580: Now Tkinter correctly handles bytes arguments passed to Tk. - In particular this allows to initialize images from binary data. - -- Issue #17172: Make turtledemo start as active on OS X even when run with - subprocess. Patch by Lita Cho. - -- Issue #21704: Fix build error for _multiprocessing when semaphores - are not available. Patch by Arfrever Frehtes Taifersar Arahesis. - -- Fix repr(_socket.socket) on Windows 64-bit: don't fail with OverflowError - on closed socket. repr(socket.socket) already works fine. - -- Issue #16133: The asynchat.async_chat.handle_read() method now ignores - BlockingIOError exceptions. - -- Issue #22044: Fixed premature DECREF in call_tzinfo_method. - Patch by Tom Flanagan. - -- Issue #19884: readline: Disable the meta modifier key if stdout is not - a terminal to not write the ANSI sequence "\033[1034h" into stdout. This - sequence is used on some terminal (ex: TERM=xterm-256color") to enable - support of 8 bit characters. - -- Issue #21888: plistlib's load() and loads() now work if the fmt parameter is - specified. - -- Issue #21044: tarfile.open() now handles fileobj with an integer 'name' - attribute. Based on patch by Antoine Pietri. - -- Issue #21867: Prevent turtle crash due to invalid undo buffer size. - -- Issue #19076: Don't pass the redundant 'file' argument to self.error(). - -- Issue #21942: Fixed source file viewing in pydoc's server mode on Windows. - -- Issue #11259: asynchat.async_chat().set_terminator() now raises a ValueError - if the number of received bytes is negative. - -- Issue #12523: asynchat.async_chat.push() now raises a TypeError if it doesn't - get a bytes string - -- Issue #21707: Add missing kwonlyargcount argument to - ModuleFinder.replace_paths_in_code(). - -- Issue #20639: calling Path.with_suffix('') allows removing the suffix - again. Patch by July Tikhonov. - -- Issue #21714: Disallow the construction of invalid paths using - Path.with_name(). Original patch by Antony Lee. - -- Issue #21897: Fix a crash with the f_locals attribute with closure - variables when frame.clear() has been called. - -- Issue #21151: Fixed a segfault in the winreg module when ``None`` is passed - as a ``REG_BINARY`` value to SetValueEx. Patch by John Ehresman. - -- Issue #21090: io.FileIO.readall() does not ignore I/O errors anymore. Before, - it ignored I/O errors if at least the first C call read() succeed. - -- Issue #21781: ssl.RAND_add() now supports strings longer than 2 GB. - -- Issue #11453: asyncore: emit a ResourceWarning when an unclosed file_wrapper - object is destroyed. The destructor now closes the file if needed. The - close() method can now be called twice: the second call does nothing. - -- Issue #21858: Better handling of Python exceptions in the sqlite3 module. - -- Issue #21476: Make sure the email.parser.BytesParser TextIOWrapper is - discarded after parsing, so the input file isn't unexpectedly closed. - -- Issue #21729: Used the "with" statement in the dbm.dumb module to ensure - files closing. Patch by Claudiu Popa. - -- Issue #21491: socketserver: Fix a race condition in child processes reaping. - -- Issue #21832: Require named tuple inputs to be exact strings. - -- Issue #19145: The times argument for itertools.repeat now handles - negative values the same way for keyword arguments as it does for - positional arguments. - -- Issue #21812: turtle.shapetransform did not tranform the turtle on the - first call. (Issue identified and fixed by Lita Cho.) - -- Issue #21635: The difflib SequenceMatcher.get_matching_blocks() method - cache didn't match the actual result. The former was a list of tuples - and the latter was a list of named tuples. - -- Issue #21722: The distutils "upload" command now exits with a non-zero - return code when uploading fails. Patch by Martin Dengler. - -- Issue #21723: asyncio.Queue: support any type of number (ex: float) for the - maximum size. Patch written by Vajrasky Kok. - -- Issue #21326: Add a new is_closed() method to asyncio.BaseEventLoop. - run_forever() and run_until_complete() methods of asyncio.BaseEventLoop now - raise an exception if the event loop was closed. - -- Issue #21774: Fixed NameError for an incorrect variable reference in the - XML Minidom code for creating processing instructions. - (Found and fixed by Claudiu Popa.) - -- Issue #21766: Prevent a security hole in CGIHTTPServer by URL unquoting paths - before checking for a CGI script at that path. - -- Issue #21310: Fixed possible resource leak in failed open(). - -- Issue #21677: Fixed chaining nonnormalized exceptions in io close() methods. - -- Issue #11709: Fix the pydoc.help function to not fail when sys.stdin is not a - valid file. - -- Issue #13223: Fix pydoc.writedoc so that the HTML documentation for methods - that use 'self' in the example code is generated correctly. - -- Issue #21463: In urllib.request, fix pruning of the FTP cache. - -- Issue #21618: The subprocess module could fail to close open fds that were - inherited by the calling process and already higher than POSIX resource - limits would otherwise allow. On systems with a functioning /proc/self/fd - or /dev/fd interface the max is now ignored and all fds are closed. - -- Issue #21552: Fixed possible integer overflow of too long string lengths in - the tkinter module on 64-bit platforms. - -- Issue #14315: The zipfile module now ignores extra fields in the central - directory that are too short to be parsed instead of letting a struct.unpack - error bubble up as this "bad data" appears in many real world zip files in - the wild and is ignored by other zip tools. - -- Issue #21402: tkinter.ttk now works when default root window is not set. - -- Issue #10203: sqlite3.Row now truly supports sequence protocol. In particular - it supports reverse() and negative indices. Original patch by Claudiu Popa. - -- Issue #18807: If copying (no symlinks) specified for a venv, then the python - interpreter aliases (python, python3) are now created by copying rather than - symlinking. - -- Issue #14710: pkgutil.get_loader() no longer raises an exception when None is - found in sys.modules. - -- Issue #14710: pkgutil.find_loader() no longer raises an exception when a - module doesn't exist. - -- Issue #21481: Argparse equality and inequality tests now return - NotImplemented when comparing to an unknown type. - -- Issue #8743: Fix interoperability between set objects and the - collections.Set() abstract base class. - -- Issue #13355: random.triangular() no longer fails with a ZeroDivisionError - when low equals high. - -- Issue #21538: The plistlib module now supports loading of binary plist files - when reference or offset size is not a power of two. - -- Issue #21801: Validate that __signature__ is None or an instance of Signature. - -- Issue #21923: Prevent AttributeError in distutils.sysconfig.customize_compiler - due to possible uninitialized _config_vars. - -- Issue #21323: Fix http.server to again handle scripts in CGI subdirectories, - broken by the fix for security issue #19435. Patch by Zach Byrne. - -Extension Modules ------------------ - -- Issue #22176: Update the ctypes module's libffi to v3.1. This release - adds support for the Linux AArch64 and POWERPC ELF ABIv2 little endian - architectures. - -Build ------ - -- Issue #15661: python.org OS X installers are now distributed as signed - installer packages compatible with the Gatekeeper security feature. - -- Issue #21958: Define HAVE_ROUND when building with Visual Studio 2013 and - above. Patch by Zachary Turner. - -- Issue #15759: "make suspicious", "make linkcheck" and "make doctest" in Doc/ - now display special message when and only when there are failures. - -- Issue #17095: Fix Modules/Setup *shared* support. - -- Issue #21811: Anticipated fixes to support OS X versions > 10.9. - -- Issue #21166: Prevent possible segfaults and other random failures of - python --generate-posix-vars in pybuilddir.txt build target. - -IDLE ----- - -- Issue #17390: Adjust Editor window title; remove 'Python', - move version to end. - -- Issue #14105: Idle debugger breakpoints no longer disappear - when inseting or deleting lines. - -- Issue #17172: Turtledemo can now be run from Idle. - Currently, the entry is on the Help menu, but it may move to Run. - Patch by Ramchandra Apt and Lita Cho. - -- Issue #21765: Add support for non-ascii identifiers to HyperParser. - -- Issue #21940: Add unittest for WidgetRedirector. Initial patch by Saimadhav - Heblikar. - -- Issue #18592: Add unittest for SearchDialogBase. Patch by Phil Webster. - -- Issue #21694: Add unittest for ParenMatch. Patch by Saimadhav Heblikar. - -- Issue #21686: add unittest for HyperParser. Original patch by Saimadhav - Heblikar. - -- Issue #12387: Add missing upper(lower)case versions of default Windows key - bindings for Idle so Caps Lock does not disable them. Patch by Roger Serwy. - -- Issue #21695: Closing a Find-in-files output window while the search is - still in progress no longer closes Idle. - -- Issue #18910: Add unittest for textView. Patch by Phil Webster. - -- Issue #18292: Add unittest for AutoExpand. Patch by Saihadhav Heblikar. - -- Issue #18409: Add unittest for AutoComplete. Patch by Phil Webster. - -Tests ------ - -- Issue #22166: With the assistance of a new internal _codecs._forget_codec - helping function, test_codecs now clears the encoding caches to avoid the - appearance of a reference leak - -- Issue #22236: Tkinter tests now don't reuse default root window. New root - window is created for every test class. - -- Issue #20746: Fix test_pdb to run in refleak mode (-R). Patch by Xavier - de Gaye. - -- Issue #22060: test_ctypes has been somewhat cleaned up and simplified; it - now uses unittest test discovery to find its tests. - -- Issue #22104: regrtest.py no longer holds a reference to the suite of tests - loaded from test modules that don't define test_main(). - -- Issue #22002: Added ``load_package_tests`` function to test.support and used - it to implement/augment test discovery in test_asyncio, test_email, - test_importlib, test_json, and test_tools. - -- Issue #21976: Fix test_ssl to accept LibreSSL version strings. Thanks - to William Orr. - -- Issue #21918: Converted test_tools from a module to a package containing - separate test files for each tested script. - -- Issue #20155: Changed HTTP method names in failing tests in test_httpservers - so that packet filtering software (specifically Windows Base Filtering Engine) - does not interfere with the transaction semantics expected by the tests. - -- Issue #19493: Refactored the ctypes test package to skip tests explicitly - rather than silently. - -- Issue #18492: All resources are now allowed when tests are not run by - regrtest.py. - -- Issue #21634: Fix pystone micro-benchmark: use floor division instead of true - division to benchmark integers instead of floating point numbers. Set pystone - version to 1.2. Patch written by Lennart Regebro. - -- Issue #21605: Added tests for Tkinter images. - -- Issue #21493: Added test for ntpath.expanduser(). Original patch by - Claudiu Popa. - -- Issue #19925: Added tests for the spwd module. Original patch by Vajrasky Kok. - -- Issue #21522: Added Tkinter tests for Listbox.itemconfigure(), - PanedWindow.paneconfigure(), and Menu.entryconfigure(). - -Documentation -------------- - -- Issue #21777: The binary sequence methods on bytes and bytearray are now - documented explicitly, rather than assuming users will be able to derive - the expected behaviour from the behaviour of the corresponding str methods. - -Windows -------- - -- Issue #21671, #22160, CVE-2014-0224: The bundled version of OpenSSL has been - updated to 1.0.1i. - -- Issue #10747: Use versioned labels in the Windows start menu. - Patch by Olive Kilburn. - -Tools/Demos ------------ - -- Issue #22201: Command-line interface of the zipfile module now correctly - extracts ZIP files with directory entries. Patch by Ryan Wilson. - -- Issue #21906: Make Tools/scripts/md5sum.py work in Python 3. - Patch by Zachary Ware. - -- Issue #21629: Fix Argument Clinic's "--converters" feature. - - -What's New in Python 3.4.1? -=========================== - -Release date: 2014-05-18 - -Core and Builtins ------------------ - -- Issue #21418: Fix a crash in the builtin function super() when called without - argument and without current frame (ex: embedded Python). - -- Issue #21425: Fix flushing of standard streams in the interactive - interpreter. - -- Issue #21435: In rare cases, when running finalizers on objects in cyclic - trash a bad pointer dereference could occur due to a subtle flaw in - internal iteration logic. - -Library -------- - -- Issue #10744: Fix PEP 3118 format strings on ctypes objects with a nontrivial - shape. - -- Issue #20998: Fixed re.fullmatch() of repeated single character pattern - with ignore case. Original patch by Matthew Barnett. - -- Issue #21075: fileinput.FileInput now reads bytes from standard stream if - binary mode is specified. Patch by Sam Kimbrel. - -- Issue #21396: Fix TextIOWrapper(..., write_through=True) to not force a - flush() on the underlying binary stream. Patch by akira. - -- Issue #21470: Do a better job seeding the random number generator by - using enough bytes to span the full state space of the Mersenne Twister. - -- Issue #21398: Fix an unicode error in the pydoc pager when the documentation - contains characters not encodable to the stdout encoding. - -Tests ------ - -- Issue #17756: Fix test_code test when run from the installed location. - -- Issue #17752: Fix distutils tests when run from the installed location. - -IDLE ----- - -- Issue #18104: Add idlelib/idle_test/htest.py with a few sample tests to begin - consolidating and improving human-validated tests of Idle. Change other files - as needed to work with htest. Running the module as __main__ runs all tests. - - -What's New in Python 3.4.1rc1? -============================== - -Release date: 2014-05-05 - -Core and Builtins ------------------ - -- Issue #21274: Define PATH_MAX for GNU/Hurd in Python/pythonrun.c. - -- Issue #21209: Fix sending tuples to custom generator objects with the yield - from syntax. - -- Issue #21134: Fix segfault when str is called on an uninitialized - UnicodeEncodeError, UnicodeDecodeError, or UnicodeTranslateError object. - -- Issue #19537: Fix PyUnicode_DATA() alignment under m68k. Patch by - Andreas Schwab. - -- Issue #20929: Add a type cast to avoid shifting a negative number. - -- Issue #20731: Properly position in source code files even if they - are opened in text mode. Patch by Serhiy Storchaka. - -- Issue #20637: Key-sharing now also works for instance dictionaries of - subclasses. Patch by Peter Ingebretson. - -- Issue #12546: Allow ``\x00`` to be used as a fill character when using str, int, - float, and complex __format__ methods. - -- Issue #13598: Modify string.Formatter to support auto-numbering of - replacement fields. It now matches the behavior of str.format() in - this regard. Patches by Phil Elson and Ramchandra Apte. - -Library -------- - -- Issue #21088: Bugfix for curses.window.addch() regression in 3.4.0. - In porting to Argument Clinic, the first two arguments were reversed. - -- Issue #21469: Reduced the risk of false positives in robotparser by - checking to make sure that robots.txt has been read or does not exist - prior to returning True in can_fetch(). - -- Issue #21321: itertools.islice() now releases the reference to the source - iterator when the slice is exhausted. Patch by Anton Afanasyev. - -- Issue #9815: assertRaises now tries to clear references to local variables - in the exception's traceback. - -- Issue #13204: Calling sys.flags.__new__ would crash the interpreter, - now it raises a TypeError. - -- Issue #19385: Make operations on a closed dbm.dumb database always raise the - same exception. - -- Issue #21207: Detect when the os.urandom cached fd has been closed or - replaced, and open it anew. - -- Issue #21291: subprocess's Popen.wait() is now thread safe so that - multiple threads may be calling wait() or poll() on a Popen instance - at the same time without losing the Popen.returncode value. - -- Issue #21127: Path objects can now be instantiated from str subclass - instances (such as ``numpy.str_``). - -- Issue #15002: urllib.response object to use _TemporaryFileWrapper (and - _TemporaryFileCloser) facility. Provides a better way to handle file - descriptor close. Patch contributed by Christian Theune. - -- Issue #12220: mindom now raises a custom ValueError indicating it doesn't - support spaces in URIs instead of letting a 'split' ValueError bubble up. - -- Issue #21239: patch.stopall() didn't work deterministically when the same - name was patched more than once. - -- Issue #21222: Passing name keyword argument to mock.create_autospec now - works. - -- Issue #21197: Add lib64 -> lib symlink in venvs on 64-bit non-OS X POSIX. - -- Issue #17498: Some SMTP servers disconnect after certain errors, violating - strict RFC conformance. Instead of losing the error code when we issue the - subsequent RSET, smtplib now returns the error code and defers raising the - SMTPServerDisconnected error until the next command is issued. - -- Issue #17826: setting an iterable side_effect on a mock function created by - create_autospec now works. Patch by Kushal Das. - -- Issue #7776: Fix ``Host:`` header and reconnection when using - http.client.HTTPConnection.set_tunnel(). Patch by Nikolaus Rath. - -- Issue #20968: unittest.mock.MagicMock now supports division. - Patch by Johannes Baiter. - -- Issue #21529 (CVE-2014-4616): Fix arbitrary memory access in - JSONDecoder.raw_decode with a negative second parameter. Bug reported by Guido - Vranken. - -- Issue #21169: getpass now handles non-ascii characters that the - input stream encoding cannot encode by re-encoding using the - replace error handler. - -- Issue #21171: Fixed undocumented filter API of the rot13 codec. - Patch by Berker Peksag. - -- Issue #21172: isinstance check relaxed from dict to collections.Mapping. - -- Issue #21155: asyncio.EventLoop.create_unix_server() now raises a ValueError - if path and sock are specified at the same time. - -- Issue #21149: Improved thread-safety in logging cleanup during interpreter - shutdown. Thanks to Devin Jeanpierre for the patch. - -- Issue #20145: `assertRaisesRegex` and `assertWarnsRegex` now raise a - TypeError if the second argument is not a string or compiled regex. - -- Issue #21058: Fix a leak of file descriptor in - :func:`tempfile.NamedTemporaryFile`, close the file descriptor if - :func:`io.open` fails - -- Issue #21200: Return None from pkgutil.get_loader() when __spec__ is missing. - -- Issue #21013: Enhance ssl.create_default_context() when used for server side - sockets to provide better security by default. - -- Issue #20633: Replace relative import by absolute import. - -- Issue #20980: Stop wrapping exception when using ThreadPool. - -- Issue #21082: In os.makedirs, do not set the process-wide umask. Note this - changes behavior of makedirs when exist_ok=True. - -- Issue #20990: Fix issues found by pyflakes for multiprocessing. - -- Issue #21015: SSL contexts will now automatically select an elliptic - curve for ECDH key exchange on OpenSSL 1.0.2 and later, and otherwise - default to "prime256v1". - -- Issue #20995: Enhance default ciphers used by the ssl module to enable - better security an prioritize perfect forward secrecy. - -- Issue #20884: Don't assume that __file__ is defined on importlib.__init__. - -- Issue #21499: Ignore __builtins__ in several test_importlib.test_api tests. - -- Issue #20879: Delay the initialization of encoding and decoding tables for - base32, ascii85 and base85 codecs in the base64 module, and delay the - initialization of the unquote_to_bytes() table of the urllib.parse module, to - not waste memory if these modules are not used. - -- Issue #19157: Include the broadcast address in the usuable hosts for IPv6 - in ipaddress. - -- Issue #11599: When an external command (e.g. compiler) fails, distutils now - prints out the whole command line (instead of just the command name) if the - environment variable DISTUTILS_DEBUG is set. - -- Issue #4931: distutils should not produce unhelpful "error: None" messages - anymore. distutils.util.grok_environment_error is kept but doc-deprecated. - -- Issue #20875: Prevent possible gzip "'read' is not defined" NameError. - Patch by Claudiu Popa. - -- Issue #11558: ``email.message.Message.attach`` now returns a more - useful error message if ``attach`` is called on a message for which - ``is_multipart`` is False. - -- Issue #20283: RE pattern methods now accept the string keyword parameters - as documented. The pattern and source keyword parameters are left as - deprecated aliases. - -- Issue #20778: Fix modulefinder to work with bytecode-only modules. - -- Issue #20791: copy.copy() now doesn't make a copy when the input is - a bytes object. Initial patch by Peter Otten. - -- Issue #19748: On AIX, time.mktime() now raises an OverflowError for year - outsize range [1902; 2037]. - -- Issue #20816: Fix inspect.getcallargs() to raise correct TypeError for - missing keyword-only arguments. Patch by Jeremiah Lowin. - -- Issue #20817: Fix inspect.getcallargs() to fail correctly if more - than 3 arguments are missing. Patch by Jeremiah Lowin. - -- Issue #6676: Ensure a meaningful exception is raised when attempting - to parse more than one XML document per pyexpat xmlparser instance. - (Original patches by Hirokazu Yamamoto and Amaury Forgeot d'Arc, with - suggested wording by David Gutteridge) - -- Issue #21117: Fix inspect.signature to better support functools.partial. - Due to the specifics of functools.partial implementation, - positional-or-keyword arguments passed as keyword arguments become - keyword-only. - -- Issue #21209: Fix asyncio.tasks.CoroWrapper to workaround a bug - in yield-from implementation in CPythons prior to 3.4.1. - -- asyncio: Add gi_{frame,running,code} properties to CoroWrapper - (upstream issue #163). - -- Issue #21311: Avoid exception in _osx_support with non-standard compiler - configurations. Patch by John Szakmeister. - -- Issue #11571: Ensure that the turtle window becomes the topmost window - when launched on OS X. - -Extension Modules ------------------ - -- Issue #21276: posixmodule: Don't define USE_XATTRS on KFreeBSD and the Hurd. - -- Issue #21226: Set up modules properly in PyImport_ExecCodeModuleObject - (and friends). - -IDLE ----- - -- Issue #21139: Change default paragraph width to 72, the PEP 8 recommendation. - -- Issue #21284: Paragraph reformat test passes after user changes reformat width. - -- Issue #17654: Ensure IDLE menus are customized properly on OS X for - non-framework builds and for all variants of Tk. - -Build ------ - -- The Windows build now includes OpenSSL 1.0.1g - -- Issue #21285: Refactor and fix curses configure check to always search - in a ncursesw directory. - -- Issue #15234: For BerkelyDB and Sqlite, only add the found library and - include directories if they aren't already being searched. This avoids - an explicit runtime library dependency. - -- Issue #20644: OS X installer build support for documentation build changes - in 3.4.1: assume externally supplied sphinx-build is available in /usr/bin. - -C API ------ - -- Issue #20942: PyImport_ImportFrozenModuleObject() no longer sets __file__ to - match what importlib does; this affects _frozen_importlib as well as any - module loaded using imp.init_frozen(). - -Documentation -------------- - -- Issue #17386: Expanded functionality of the ``Doc/make.bat`` script to make - it much more comparable to ``Doc/Makefile``. - -- Issue #21043: Remove the recommendation for specific CA organizations and to - mention the ability to load the OS certificates. - -- Issue #20765: Add missing documentation for PurePath.with_name() and - PurePath.with_suffix(). - -- Issue #19407: New package installation and distribution guides based on - the Python Packaging Authority tools. Existing guides have been retained - as legacy links from the distutils docs, as they still contain some - required reference material for tool developers that isn't recorded - anywhere else. - -- Issue #19697: Document cases where __main__.__spec__ is None. - -Tests ------ - -- Issue #18604: Consolidated checks for GUI availability. All platforms now - at least check whether Tk can be instantiated when the GUI resource is - requested. - -- Issue #21275: Fix a socket test on KFreeBSD. - -- Issue #21223: Pass test_site/test_startup_imports when some of the extensions - are built as builtins. - -- Issue #20635: Added tests for Tk geometry managers. - -- Add test case for freeze. - -- Issue #20743: Fix a reference leak in test_tcl. - -- Issue #21097: Move test_namespace_pkgs into test_importlib. - -- Issue #20939: Avoid various network test failures due to new - redirect of http://www.python.org/ to https://www.python.org: - use http://www.example.com instead. - -- Issue #20668: asyncio tests no longer rely on tests.txt file. - (Patch by Vajrasky Kok) - -- Issue #21093: Prevent failures of ctypes test_macholib on OS X if a - copy of libz exists in $HOME/lib or /usr/local/lib. - -Tools/Demos ------------ - -- Add support for ``yield from`` to 2to3. - -- Add support for the PEP 465 matrix multiplication operator to 2to3. - -- Issue #16047: Fix module exception list and __file__ handling in freeze. - Patch by Meador Inge. - -- Issue #11824: Consider ABI tags in freeze. Patch by Meador Inge. - -- Issue #20535: PYTHONWARNING no longer affects the run_tests.py script. - Patch by Arfrever Frehtes Taifersar Arahesis. - - -What's New in Python 3.4.0? -=========================== - -Release date: 2014-03-16 - -Library -------- - -- Issue #20939: Fix test_geturl failure in test_urllibnet due to - new redirect of http://www.python.org/ to https://www.python.org. - -Documentation -------------- - -- Merge in all documentation changes since branching 3.4.0rc1. - - -What's New in Python 3.4.0 release candidate 3? -=============================================== - -Release date: 2014-03-09 - -Core and Builtins ------------------ - -- Issue #20786: Fix signatures for dict.__delitem__ and - property.__delete__ builtins. - -Library -------- - -- Issue #20839: Don't trigger a DeprecationWarning in the still supported - pkgutil.get_loader() API when __loader__ isn't set on a module (nor - when pkgutil.find_loader() is called directly). - -Build ------ - -- Issue #14512: Launch pydoc -b instead of pydocgui.pyw on Windows. - -- Issue #20748: Uninstalling pip does not leave behind the pyc of - the uninstaller anymore. - -- Issue #20568: The Windows installer now installs the unversioned ``pip`` - command in addition to the versioned ``pip3`` and ``pip3.4`` commands. - -- Issue #20757: The ensurepip helper for the Windows uninstaller now skips - uninstalling pip (rather than failing) if the user has updated pip to a - different version from the one bundled with ensurepip. - -- Issue #20465: Update OS X and Windows installer builds to use - SQLite 3.8.3.1. - - -What's New in Python 3.4.0 release candidate 2? -=============================================== - -Release date: 2014-02-23 - -Core and Builtins ------------------ - -- Issue #20625: Parameter names in __annotations__ were not mangled properly. - Discovered by Jonas Wielicki, patch by Yury Selivanov. - -- Issue #20261: In pickle, lookup __getnewargs__ and __getnewargs_ex__ on the - type of the object. - -- Issue #20619: Give the AST nodes of keyword-only arguments a column and line - number. - -- Issue #20526: Revert changes of issue #19466 which introduces a regression: - don't clear anymore the state of Python threads early during the Python - shutdown. - -Library -------- - -- Issue #20710: The pydoc summary line no longer displays the "self" parameter - for bound methods. - -- Issue #20566: Change asyncio.as_completed() to use a Queue, to - avoid O(N**2) behavior. - -- Issue #20704: Implement new debug API in asyncio. Add new methods - BaseEventLoop.set_debug() and BaseEventLoop.get_debug(). - Add support for setting 'asyncio.tasks._DEBUG' variable with - 'PYTHONASYNCIODEBUG' environment variable. - -- asyncio: Refactoring and fixes: BaseEventLoop.sock_connect() raises an - error if the address is not resolved; use __slots__ in Handle and - TimerHandle; as_completed() and wait() raise TypeError if the passed - list of Futures is a single Future; call_soon() and other 'call_*()' - functions raise TypeError if the passed callback is a coroutine - function; _ProactorBasePipeTransport uses _FlowControlMixin; - WriteTransport.set_write_buffer_size() calls _maybe_pause_protocol() - to consider pausing receiving if the watermark limits have changed; - fix _check_resolved_address() for IPv6 address; and other minor - improvements, along with multiple documentation updates. - -- Issue #20684: Fix inspect.getfullargspec() to not to follow __wrapped__ - chains. Make its behaviour consistent with bound methods first argument. - Patch by Nick Coghlan and Yury Selivanov. - -- Issue #20681: Add new error handling API in asyncio. New APIs: - loop.set_exception_handler(), loop.default_exception_handler(), and - loop.call_exception_handler(). - -- Issue #20673: Implement support for UNIX Domain Sockets in asyncio. - New APIs: loop.create_unix_connection(), loop.create_unix_server(), - streams.open_unix_connection(), and streams.start_unix_server(). - -- Issue #20616: Add a format() method to tracemalloc.Traceback. - -- Issue #19744: the ensurepip installation step now just prints a warning to - stderr rather than failing outright if SSL/TLS is unavailable. This allows - local installation of POSIX builds without SSL/TLS support. - -- Issue #20594: Avoid name clash with the libc function posix_close. - -Build ------ - -- Issue #20641: Run MSI custom actions (pip installation, pyc compilation) - with the NoImpersonate flag, to support elevated execution (UAC). - -- Issue #20221: Removed conflicting (or circular) hypot definition when - compiled with VS 2010 or above. Initial patch by Tabrez Mohammed. - -- Issue #20609: Restored the ability to build 64-bit Windows binaries on - 32-bit Windows, which was broken by the change in issue #19788. - - -What's New in Python 3.4.0 release candidate 1? -=============================================== - -Release date: 2014-02-10 - -Core and Builtins ------------------ - -- Issue #19255: The builtins module is restored to initial value before - cleaning other modules. The sys and builtins modules are cleaned last. - -- Issue #20588: Make Python-ast.c C89 compliant. - -- Issue #20437: Fixed 22 potential bugs when deleting objects references. - -- Issue #20500: Displaying an exception at interpreter shutdown no longer - risks triggering an assertion failure in PyObject_Str. - -- Issue #20538: UTF-7 incremental decoder produced inconsistent string when - input was truncated in BASE64 section. - -- Issue #20404: io.TextIOWrapper (and hence the open() builtin) now uses the - internal codec marking system added for issue #19619 to throw LookupError - for known non-text encodings at stream construction time. The existing - output type checks remain in place to deal with unmarked third party - codecs. - -- Issue #17162: Add PyType_GetSlot. - -- Issue #20162: Fix an alignment issue in the siphash24() hash function which - caused a crash on PowerPC 64-bit (ppc64). - -Library -------- - -- Issue #20530: The signatures for slot builtins have been updated - to reflect the fact that they only accept positional-only arguments. - -- Issue #20517: Functions in the os module that accept two filenames - now register both filenames in the exception on failure. - -- Issue #20563: The ipaddress module API is now considered stable. - -- Issue #14983: email.generator now always adds a line end after each MIME - boundary marker, instead of doing so only when there is an epilogue. This - fixes an RFC compliance bug and solves an issue with signed MIME parts. - -- Issue #20540: Fix a performance regression (vs. Python 3.2) when layering - a multiprocessing Connection over a TCP socket. For small payloads, Nagle's - algorithm would introduce idle delays before the entire transmission of a - message. - -- Issue #16983: the new email header parsing code will now decode encoded words - that are (incorrectly) surrounded by quotes, and register a defect. - -- Issue #19772: email.generator no longer mutates the message object when - doing a down-transform from 8bit to 7bit CTEs. - -- Issue #20536: the statistics module now correctly handle Decimal instances - with positive exponents - -- Issue #18805: the netmask/hostmask parsing in ipaddress now more reliably - filters out illegal values and correctly allows any valid prefix length. - -- Issue #20481: For at least Python 3.4, the statistics module will require - that all inputs for a single operation be of a single consistent type, or - else a mixed of ints and a single other consistent type. This avoids - some interoperability issues that arose with the previous approach of - coercing to a suitable common type. - -- Issue #20478: the statistics module now treats collections.Counter inputs - like any other iterable. - -- Issue #17369: get_filename was raising an exception if the filename - parameter's RFC2231 encoding was broken in certain ways. This was - a regression relative to python2. - -- Issue #20013: Some imap servers disconnect if the current mailbox is - deleted, and imaplib did not handle that case gracefully. Now it - handles the 'bye' correctly. - -- Issue #20531: Revert 3.4 version of fix for #19063, and apply the 3.3 - version. That is, do *not* raise an error if unicode is passed to - email.message.Message.set_payload. - -- Issue #20476: If a non-compat32 policy is used with any of the email parsers, - EmailMessage is now used as the factory class. The factory class should - really come from the policy; that will get fixed in 3.5. - -- Issue #19920: TarFile.list() no longer fails when outputs a listing - containing non-encodable characters. Based on patch by Vajrasky Kok. - -- Issue #20515: Fix NULL pointer dereference introduced by issue #20368. - -- Issue #19186: Restore namespacing of expat symbols inside the pyexpat module. - -- Issue #20053: ensurepip (and hence venv) are no longer affected by the - settings in the default pip configuration file. - -- Issue #20426: When passing the re.DEBUG flag, re.compile() displays the - debug output every time it is called, regardless of the compilation cache. - -- Issue #20368: The null character now correctly passed from Tcl to Python. - Improved error handling in variables-related commands. - -- Issue #20435: Fix _pyio.StringIO.getvalue() to take into account newline - translation settings. - -- tracemalloc: Fix slicing traces and fix slicing a traceback. - -- Issue #20354: Fix an alignment issue in the tracemalloc module on 64-bit - platforms. Bug seen on 64-bit Linux when using "make profile-opt". - -- Issue #17159: inspect.signature now accepts duck types of functions, - which adds support for Cython functions. Initial patch by Stefan Behnel. - -- Issue #18801: Fix inspect.classify_class_attrs to correctly classify - object.__new__ and object.__init__. - -- Fixed cmath.isinf's name in its argument parsing code. - -- Issue #20311, #20452: poll and epoll now round the timeout away from zero, - instead of rounding towards zero, in select and selectors modules: - select.epoll.poll(), selectors.PollSelector.poll() and - selectors.EpollSelector.poll(). For example, a timeout of one microsecond - (1e-6) is now rounded to one millisecondi (1e-3), instead of being rounded to - zero. However, the granularity property and asyncio's resolution feature - were removed again. - -- asyncio: Some refactoring; various fixes; add write flow control to - unix pipes; Future.set_exception() instantiates the exception - argument if it is a class; improved proactor pipe transport; support - wait_for(f, None); don't log broken/disconnected pipes; use - ValueError instead of assert for forbidden subprocess_{shell,exec} - arguments; added a convenience API for subprocess management; added - StreamReader.at_eof(); properly handle duplicate coroutines/futures - in gather(), wait(), as_completed(); use a bytearray for buffering - in StreamReader; and more. - -- Issue #20288: fix handling of invalid numeric charrefs in HTMLParser. - -- Issue #20424: Python implementation of io.StringIO now supports lone surrogates. - -- Issue #20308: inspect.signature now works on classes without user-defined - __init__ or __new__ methods. - -- Issue #20372: inspect.getfile (and a bunch of other inspect functions that - use it) doesn't crash with unexpected AttributeError on classes defined in C - without __module__. - -- Issue #20356: inspect.signature formatting uses '/' to separate - positional-only parameters from others. - -- Issue #20223: inspect.signature now supports methods defined with - functools.partialmethods. - -- Issue #19456: ntpath.join() now joins relative paths correctly when a drive - is present. - -- Issue #19077: tempfile.TemporaryDirectory cleanup no longer fails when - called during shutdown. Emitting resource warning in __del__ no longer fails. - Original patch by Antoine Pitrou. - -- Issue #20394: Silence Coverity warning in audioop module. - -- Issue #20367: Fix behavior of concurrent.futures.as_completed() for - duplicate arguments. Patch by Glenn Langford. - -- Issue #8260: The read(), readline() and readlines() methods of - codecs.StreamReader returned incomplete data when were called after - readline() or read(size). Based on patch by Amaury Forgeot d'Arc. - -- Issue #20105: the codec exception chaining now correctly sets the - traceback of the original exception as its __traceback__ attribute. - -- Issue #17481: inspect.getfullargspec() now uses inspect.signature() API. - -- Issue #15304: concurrent.futures.wait() can block forever even if - Futures have completed. Patch by Glenn Langford. - -- Issue #14455: plistlib: fix serializing integers in the range - of an unsigned long long but outside of the range of signed long long for - binary plist files. - -IDLE ----- - -- Issue #20406: Use Python application icons for Idle window title bars. - Patch mostly by Serhiy Storchaka. - -- Update the python.gif icon for the Idle classbrowser and pathbowser - from the old green snake to the new blue and yellow snakes. - -- Issue #17721: Remove non-functional configuration dialog help button until we - make it actually gives some help when clicked. Patch by Guilherme Simões. - -Tests ------ - -- Issue #20532: Tests which use _testcapi now are marked as CPython only. - -- Issue #19920: Added tests for TarFile.list(). Based on patch by Vajrasky Kok. - -- Issue #19990: Added tests for the imghdr module. Based on patch by - Claudiu Popa. - -- Issue #20474: Fix test_socket "unexpected success" failures on OS X 10.7+. - -Tools/Demos ------------ - -- Issue #20530: Argument Clinic's signature format has been revised again. - The new syntax is highly human readable while still preventing false - positives. The syntax also extends Python syntax to denote "self" and - positional-only parameters, allowing inspect.Signature objects to be - totally accurate for all supported builtins in Python 3.4. - -- Issue #20456: Argument Clinic now observes the C preprocessor conditional - compilation statements of the C files it parses. When a Clinic block is - inside a conditional code, it adjusts its output to match, including - automatically generating an empty methoddef macro. - -- Issue #20456: Cloned functions in Argument Clinic now use the correct - name, not the name of the function they were cloned from, for text - strings inside generated code. - -- Issue #20456: Fixed Argument Clinic's test suite and "--converters" feature. - -- Issue #20456: Argument Clinic now allows specifying different names - for a parameter in Python and C, using "as" on the parameter line. - -- Issue #20326: Argument Clinic now uses a simple, unique signature to - annotate text signatures in docstrings, resulting in fewer false - positives. "self" parameters are also explicitly marked, allowing - inspect.Signature() to authoritatively detect (and skip) said parameters. - -- Issue #20326: Argument Clinic now generates separate checksums for the - input and output sections of the block, allowing external tools to verify - that the input has not changed (and thus the output is not out-of-date). - -Build ------ - -- Issue #20465: Update SQLite shipped with OS X installer to 3.8.3. - -C-API ------ - -- Issue #20517: Added new functions allowing OSError exceptions to reference - two filenames instead of one: PyErr_SetFromErrnoWithFilenameObjects() and - PyErr_SetExcFromWindowsErrWithFilenameObjects(). - -Documentation -------------- - -- Issue #20488: Change wording to say importlib is *the* implementation of - import instead of just *an* implementation. - -- Issue #6386: Clarify in the tutorial that specifying a symlink to execute - means the directory containing the executed script and not the symlink is - added to sys.path. - - -What's New in Python 3.4.0 Beta 3? -================================== - -Release date: 2014-01-26 - -Core and Builtins ------------------ - -- Issue #20189: Four additional builtin types (PyTypeObject, - PyMethodDescr_Type, _PyMethodWrapper_Type, and PyWrapperDescr_Type) - have been modified to provide introspection information for builtins. - -- Issue #17825: Cursor "^" is correctly positioned for SyntaxError and - IndentationError. - -- Issue #2382: SyntaxError cursor "^" is now written at correct position in most - cases when multibyte characters are in line (before "^"). This still not - works correctly with wide East Asian characters. - -- Issue #18960: The first line of Python script could be executed twice when - the source encoding was specified on the second line. Now the source encoding - declaration on the second line isn't effective if the first line contains - anything except a comment. 'python -x' works now again with files with the - source encoding declarations, and can be used to make Python batch files - on Windows. - -Library -------- - -- asyncio: Various improvements and small changes not all covered by - issues listed below. E.g. wait_for() now cancels the inner task if - the timeout occcurs; tweaked the set of exported symbols; renamed - Empty/Full to QueueEmpty/QueueFull; "with (yield from lock)" now - uses a separate context manager; readexactly() raises if not enough - data was read; PTY support tweaks. - -- Issue #20311: asyncio: Add a granularity attribute to BaseEventLoop: maximum - between the resolution of the BaseEventLoop.time() method and the resolution - of the selector. The granuarility is used in the scheduler to round time and - deadline. - -- Issue #20311: selectors: Add a resolution attribute to BaseSelector. - -- Issue #20189: unittest.mock now no longer assumes that any object for - which it could get an inspect.Signature is a callable written in Python. - Fix courtesy of Michael Foord. - -- Issue #20317: ExitStack.__exit__ could create a self-referential loop if an - exception raised by a cleanup operation already had its context set - correctly (for example, by the @contextmanager decorator). The infinite - loop this caused is now avoided by checking if the expected context is - already set before trying to fix it. - -- Issue #20374: Fix build with GNU readline >= 6.3. - -- Issue #20262: Warnings are raised now when duplicate names are added in the - ZIP file or too long ZIP file comment is truncated. - -- Issue #20165: The unittest module no longer considers tests marked with - @expectedFailure successful if they pass. - -- Issue #18574: Added missing newline in 100-Continue reply from - http.server.BaseHTTPRequestHandler. Patch by Nikolaus Rath. - -- Issue #20270: urllib.urlparse now supports empty ports. - -- Issue #20243: TarFile no longer raise ReadError when opened in write mode. - -- Issue #20238: TarFile opened with external fileobj and "w:gz" mode didn't - write complete output on close. - -- Issue #20245: The open functions in the tarfile module now correctly handle - empty mode. - -- Issue #20242: Fixed basicConfig() format strings for the alternative - formatting styles. Thanks to kespindler for the bug report and patch. - -- Issue #20246: Fix buffer overflow in socket.recvfrom_into. - -- Issues #20206 and #5803: Fix edge case in email.quoprimime.encode where it - truncated lines ending in a character needing encoding but no newline by - using a more efficient algorithm that doesn't have the bug. - -- Issue #19082: Working xmlrpc.server and xmlrpc.client examples. Both in - modules and in documentation. Initial patch contributed by Vajrasky Kok. - -- Issue #20138: The wsgiref.application_uri() and wsgiref.request_uri() - functions now conform to PEP 3333 when handle non-ASCII URLs. - -- Issue #19097: Raise the correct Exception when cgi.FieldStorage is given an - invalid fileobj. - -- Issue #20152: Ported Python/import.c over to Argument Clinic. - -- Issue #13107: argparse and optparse no longer raises an exception when output - a help on environment with too small COLUMNS. Based on patch by - Elazar Gershuni. - -- Issue #20207: Always disable SSLv2 except when PROTOCOL_SSLv2 is explicitly - asked for. - -- Issue #18960: The tokenize module now ignore the source encoding declaration - on the second line if the first line contains anything except a comment. - -- Issue #20078: Reading malformed zipfiles no longer hangs with 100% CPU - consumption. - -- Issue #20113: os.readv() and os.writev() now raise an OSError exception on - error instead of returning -1. - -- Issue #19719: Make importlib.abc.MetaPathFinder.find_module(), - PathEntryFinder.find_loader(), and Loader.load_module() use PEP 451 APIs to - help with backwards-compatibility. - -- Issue #20144: inspect.Signature now supports parsing simple symbolic - constants as parameter default values in __text_signature__. - -- Issue #20072: Fixed multiple errors in tkinter with wantobjects is False. - -- Issue #20229: Avoid plistlib deprecation warning in platform.mac_ver(). - -- Issue #14455: Fix some problems with the new binary plist support in plistlib. - -IDLE ----- - -- Issue #17390: Add Python version to Idle editor window title bar. - Original patches by Edmond Burnett and Kent Johnson. - -- Issue #18960: IDLE now ignores the source encoding declaration on the second - line if the first line contains anything except a comment. - -Tests ------ - -- Issue #20358: Tests for curses.window.overlay and curses.window.overwrite - no longer specify min{row,col} > max{row,col}. - -- Issue #19804: The test_find_mac test in test_uuid is now skipped if the - ifconfig executable is not available. - -- Issue #19886: Use better estimated memory requirements for bigmem tests. - -Tools/Demos ------------ - -- Issue #20390: Argument Clinic's "file" output preset now defaults to - "{dirname}/clinic/{basename}.h". - -- Issue #20390: Argument Clinic's "class" directive syntax has been extended - with two new required arguments: "typedef" and "type_object". - -- Issue #20390: Argument Clinic: If __new__ or __init__ functions didn't use - kwargs (or args), the PyArg_NoKeywords (or PyArg_NoPositional) calls - generated are only run when the type object is an exact match. - -- Issue #20390: Argument Clinic now fails if you have required parameters after - optional parameters. - -- Issue #20390: Argument Clinic converters now have a new template they can - inject code into: "modifiers". Code put there is run in the parsing - function after argument parsing but before the call to the impl. - -- Issue #20376: Argument Clinic now escapes backslashes in docstrings. - -- Issue #20381: Argument Clinic now sanity checks the default argument when - c_default is also specified, providing a nice failure message for - disallowed values. - -- Issue #20189: Argument Clinic now ensures that parser functions for - __new__ are always of type newfunc, the type of the tp_new slot. - Similarly, parser functions for __init__ are now always of type initproc, - the type of tp_init. - -- Issue #20189: Argument Clinic now suppresses the docstring for __new__ - and __init__ functions if no docstring is provided in the input. - -- Issue #20189: Argument Clinic now suppresses the "self" parameter in the - impl for @staticmethod functions. - -- Issue #20294: Argument Clinic now supports argument parsing for __new__ and - __init__ functions. - -- Issue #20299: Argument Clinic custom converters may now change the default - value of c_default and py_default with a class member. - -- Issue #20287: Argument Clinic's output is now configurable, allowing - delaying its output or even redirecting it to a separate file. - -- Issue #20226: Argument Clinic now permits simple expressions - (e.g. "sys.maxsize - 1") as default values for parameters. - -- Issue #19936: Added executable bits or shebang lines to Python scripts which - requires them. Disable executable bits and shebang lines in test and - benchmark files in order to prevent using a random system python, and in - source files of modules which don't provide command line interface. Fixed - shebang lines in the unittestgui and checkpip scripts. - -- Issue #20268: Argument Clinic now supports cloning the parameters and - return converter of existing functions. - -- Issue #20228: Argument Clinic now has special support for class special - methods. - -- Issue #20214: Fixed a number of small issues and documentation errors in - Argument Clinic (see issue for details). - -- Issue #20196: Fixed a bug where Argument Clinic did not generate correct - parsing code for functions with positional-only parameters where all arguments - are optional. - -- Issue #18960: 2to3 and the findnocoding.py script now ignore the source - encoding declaration on the second line if the first line contains anything - except a comment. - -- Issue #19723: The marker comments Argument Clinic uses have been changed - to improve readability. - -- Issue #20157: When Argument Clinic renames a parameter because its name - collides with a C keyword, it no longer exposes that rename to PyArg_Parse. - -- Issue #20141: Improved Argument Clinic's support for the PyArg_Parse "O!" - format unit. - -- Issue #20144: Argument Clinic now supports simple symbolic constants - as parameter default values. - -- Issue #20143: The line numbers reported in Argument Clinic errors are - now more accurate. - -- Issue #20142: Py_buffer variables generated by Argument Clinic are now - initialized with a default value. - -Build ------ - -- Issue #12837: Silence a tautological comparison warning on OS X under Clang in - socketmodule.c. - - -What's New in Python 3.4.0 Beta 2? -================================== - -Release date: 2014-01-05 - -Core and Builtins ------------------ - -- Issue #17432: Drop UCS2 from names of Unicode functions in python3.def. - -- Issue #19526: Exclude all new API from the stable ABI. Exceptions can be - made if a need is demonstrated. - -- Issue #19969: PyBytes_FromFormatV() now raises an OverflowError if "%c" - argument is not in range [0; 255]. - -- Issue #19995: %c, %o, %x, and %X now issue a DeprecationWarning on non-integer - input; reworded docs to clarify that an integer type should define both __int__ - and __index__. - -- Issue #19787: PyThread_set_key_value() now always set the value. In Python - 3.3, the function did nothing if the key already exists (if the current value - is a non-NULL pointer). - -- Issue #14432: Remove the thread state field from the frame structure. Fix a - crash when a generator is created in a C thread that is destroyed while the - generator is still used. The issue was that a generator contains a frame, and - the frame kept a reference to the Python state of the destroyed C thread. The - crash occurs when a trace function is setup. - -- Issue #19576: PyGILState_Ensure() now initializes threads. At startup, Python - has no concrete GIL. If PyGILState_Ensure() is called from a new thread for - the first time and PyEval_InitThreads() was not called yet, a GIL needs to be - created. - -- Issue #17576: Deprecation warning emitted now when __int__() or __index__() - return not int instance. - -- Issue #19932: Fix typo in import.h, missing whitespaces in function prototypes. - -- Issue #19736: Add module-level statvfs constants defined for GNU/glibc - based systems. - -- Issue #20097: Fix bad use of "self" in importlib's WindowsRegistryFinder. - -- Issue #19729: In str.format(), fix recursive expansion in format spec. - -- Issue #19638: Fix possible crash / undefined behaviour from huge (more than 2 - billion characters) input strings in _Py_dg_strtod. - -Library -------- - -- Issue #20154: Deadlock in asyncio.StreamReader.readexactly(). - -- Issue #16113: Remove sha3 module again. - -- Issue #20111: pathlib.Path.with_suffix() now sanity checks the given suffix. - -- Fix breakage in TestSuite.countTestCases() introduced by issue #11798. - -- Issue #20108: Avoid parameter name clash in inspect.getcallargs(). - -- Issue #19918: Fix PurePath.relative_to() under Windows. - -- Issue #19422: Explicitly disallow non-SOCK_STREAM sockets in the ssl - module, rather than silently let them emit clear text data. - -- Issue #20046: Locale alias table no longer contains entities which can be - calculated. Generalized support of the euro modifier. - -- Issue #20027: Fixed locale aliases for devanagari locales. - -- Issue #20067: Tkinter variables now work when wantobjects is false. - -- Issue #19020: Tkinter now uses splitlist() instead of split() in configure - methods. - -- Issue #19744: ensurepip now provides a better error message when Python is - built without SSL/TLS support (pip currently requires that support to run, - even if only operating with local wheel files) - -- Issue #19734: ensurepip now ignores all pip environment variables to avoid - odd behaviour based on user configuration settings - -- Fix TypeError on "setup.py upload --show-response". - -- Issue #20045: Fix "setup.py register --list-classifiers". - -- Issue #18879: When a method is looked up on a temporary file, avoid closing - the file before the method is possibly called. - -- Issue #20037: Avoid crashes when opening a text file late at interpreter - shutdown. - -- Issue #19967: Thanks to the PEP 442, asyncio.Future now uses a - destructor to log uncaught exceptions, instead of the dedicated - _TracebackLogger class. - -- Added a Task.current_task() class method to asyncio. - -- Issue #19850: Set SA_RESTART in asyncio when registering a signal - handler to limit EINTR occurrences. - -- Implemented write flow control in asyncio for proactor event loop (Windows). - -- Change write buffer in asyncio use to avoid O(N**2) behavior. Make - write()/sendto() accept bytearray/memoryview. - -- Issue #20034: Updated alias mapping to most recent locale.alias file - from X.org distribution using makelocalealias.py. - -- Issue #5815: Fixed support for locales with modifiers. Fixed support for - locale encodings with hyphens. - -- Issue #20026: Fix the sqlite module to handle correctly invalid isolation - level (wrong type). - -- Issue #18829: csv.Dialect() now checks type for delimiter, escapechar and - quotechar fields. Original patch by Vajrasky Kok. - -- Issue #19855: uuid.getnode() on Unix now looks on the PATH for the - executables used to find the mac address, with /sbin and /usr/sbin as - fallbacks. - -- Issue #20007: HTTPResponse.read(0) no more prematurely closes connection. - Original patch by Simon Sapin. - -- Issue #19946: multiprocessing now uses runpy to initialize __main__ in - child processes when necessary, allowing it to correctly handle scripts - without suffixes and submodules that use explicit relative imports or - otherwise rely on parent modules being correctly imported prior to - execution. - -- Issue #19921: When Path.mkdir() is called with parents=True, any missing - parent is created with the default permissions, ignoring the mode argument - (mimicking the POSIX "mkdir -p" command). - -- Issue #19887: Improve the Path.resolve() algorithm to support certain - symlink chains. - -- Issue #19912: Fixed numerous bugs in ntpath.splitunc(). - -- Issue #19911: ntpath.splitdrive() now correctly processes the 'İ' character - (U+0130, LATIN CAPITAL LETTER I WITH DOT ABOVE). - -- Issue #19532: python -m compileall with no filename/directory arguments now - respects the -f and -q flags instead of ignoring them. - -- Issue #19623: Fixed writing to unseekable files in the aifc module. - -- Issue #19946: multiprocessing.spawn now raises ImportError when the module to - be used as the main module cannot be imported. - -- Issue #17919: select.poll.register() again works with poll.POLLNVAL on AIX. - Fixed integer overflow in the eventmask parameter. - -- Issue #19063: if a Charset's body_encoding was set to None, the email - package would generate a message claiming the Content-Transfer-Encoding - was 7bit, and produce garbage output for the content. This now works. - A couple of other set_payload mishandlings of non-ASCII are also fixed. - In addition, calling set_payload with a string argument without - specifying a charset now raises an error (this is a new error in 3.4). - -- Issue #15475: Add __sizeof__ implementations for itertools objects. - -- Issue #19944: Fix importlib.find_spec() so it imports parents as needed - and move the function to importlib.util. - -- Issue #19880: Fix a reference leak in unittest.TestCase. Explicitly break - reference cycles between frames and the _Outcome instance. - -- Issue #17429: platform.linux_distribution() now decodes files from the UTF-8 - encoding with the surrogateescape error handler, instead of decoding from the - locale encoding in strict mode. It fixes the function on Fedora 19 which is - probably the first major distribution release with a non-ASCII name. Patch - written by Toshio Kuratomi. - -- Issue #19343: Expose FreeBSD-specific APIs in resource module. Original - patch by Koobs. - -- Issue #19929: Call os.read with 32768 within subprocess.Popen.communicate - rather than 4096 for efficiency. A microbenchmark shows Linux and OS X - both using ~50% less cpu time this way. - -- Issue #19506: Use a memoryview to avoid a data copy when piping data - to stdin within subprocess.Popen.communicate. 5-10% less cpu usage. - -- Issue #19876: selectors unregister() no longer raises ValueError or OSError - if the FD is closed (as long as it was registered). - -- Issue #19908: pathlib now joins relative Windows paths correctly when a drive - is present. Original patch by Antoine Pitrou. - -- Issue #19296: Silence compiler warning in dbm_open - -- Issue #6784: Strings from Python 2 can now be unpickled as bytes - objects by setting the encoding argument of Unpickler to be 'bytes'. - Initial patch by Merlijn van Deen. - -- Issue #19839: Fix regression in bz2 module's handling of non-bzip2 data at - EOF, and analogous bug in lzma module. - -- Issue #19881: Fix pickling bug where cpickle would emit bad pickle data for - large bytes string (i.e., with size greater than 2**32-1). - -- Issue #19138: doctest's IGNORE_EXCEPTION_DETAIL now allows a match when - no exception detail exists (no colon following the exception's name, or - a colon does follow but no text follows the colon). - -- Issue #19927: Add __eq__ to path-based loaders in importlib. - -- Issue #19827: On UNIX, setblocking() and settimeout() methods of - socket.socket can now avoid a second syscall if the ioctl() function can be - used, or if the non-blocking flag of the socket is unchanged. - -- Issue #19785: smtplib now supports SSLContext.check_hostname and server name - indication for TLS/SSL connections. - -- Issue #19784: poplib now supports SSLContext.check_hostname and server name - indication for TLS/SSL connections. - -- Issue #19783: nntplib now supports SSLContext.check_hostname and server name - indication for TLS/SSL connections. - -- Issue #19782: imaplib now supports SSLContext.check_hostname and server name - indication for TLS/SSL connections. - -- Issue #20123: Fix pydoc.synopsis() for "binary" modules. - -- Issue #19834: Support unpickling of exceptions pickled by Python 2. - -- Issue #19781: ftplib now supports SSLContext.check_hostname and server name - indication for TLS/SSL connections. - -- Issue #19509: Add SSLContext.check_hostname to match the peer's certificate - with server_hostname on handshake. - -- Issue #15798: Fixed subprocess.Popen() to no longer fail if file - descriptor 0, 1 or 2 is closed. - -- Issue #17897: Optimized unpickle prefetching. - -- Issue #3693: Make the error message more helpful when the array.array() - constructor is given a str. Move the array module typecode documentation to - the docstring of the constructor. - -- Issue #19088: Fixed incorrect caching of the copyreg module in - object.__reduce__() and object.__reduce_ex__(). - -- Issue #19698: Removed exec_module() methods from - importlib.machinery.BuiltinImporter and ExtensionFileLoader. - -- Issue #18864: Added a setter for ModuleSpec.has_location. - -- Fixed _pickle.Unpickler to not fail when loading empty strings as - persistent IDs. - -- Issue #11480: Fixed copy.copy to work with classes with custom metaclasses. - Patch by Daniel Urban. - -- Issue #6477: Added support for pickling the types of built-in singletons - (i.e., Ellipsis, NotImplemented, None). - -- Issue #19713: Add remaining PEP 451-related deprecations and move away - from using find_module/find_loaer/load_module. - -- Issue #19708: Update pkgutil to use the new importer APIs. - -- Issue #19703: Update pydoc to use the new importer APIs. - -- Issue #19851: Fixed a regression in reloading sub-modules. - -- ssl.create_default_context() sets OP_NO_COMPRESSION to prevent CRIME. - -- Issue #19802: Add socket.SO_PRIORITY. - -- Issue #11508: Fixed uuid.getnode() and uuid.uuid1() on environment with - virtual interface. Original patch by Kent Frazier. - -- Issue #11489: JSON decoder now accepts lone surrogates. - -- Issue #19545: Avoid chained exceptions while passing stray % to - time.strptime(). Initial patch by Claudiu Popa. - -IDLE ----- - -- Issue #20058: sys.stdin.readline() in IDLE now always returns only one line. - -- Issue #19481: print() of string subclass instance in IDLE no longer hangs. - -- Issue #18270: Prevent possible IDLE AttributeError on OS X when no initial - shell window is present. - -Tests ------ - -- Issue #20055: Fix test_shutil under Windows with symlink privileges held. - Patch by Vajrasky Kok. - -- Issue #20070: Don't run test_urllib2net when network resources are not - enabled. - -- Issue #19938: Re-enabled test_bug_1333982 in test_dis, which had been - disabled since 3.0 due to the changes in listcomp handling. - -- Issue #19320: test_tcl no longer fails when wantobjects is false. - -- Issue #19919: Fix flaky SSL test. connect_ex() sometimes returns - EWOULDBLOCK on Windows or VMs hosted on Windows. - -- Issue #19912: Added tests for ntpath.splitunc(). - -- Issue #19828: Fixed test_site when the whole suite is run with -S. - -- Issue #19928: Implemented a test for repr() of cell objects. - -- Issue #19535: Fixed test_docxmlrpc, test_functools, test_inspect, and - test_statistics when python is run with -OO. - -- Issue #19926: Removed unneeded test_main from test_abstract_numbers. - Patch by Vajrasky Kok. - -- Issue #19572: More skipped tests explicitly marked as skipped. - -- Issue #19595, #19987: Re-enabled a long-disabled test in test_winsound. - -- Issue #19588: Fixed tests in test_random that were silently skipped most - of the time. Patch by Julian Gindi. - -Build ------ - -- Issue #19728: Enable pip installation by default on Windows. - -- Issue #16136: Remove VMS support - -- Issue #18215: Add script Tools/ssl/test_multiple_versions.py to compile and - run Python's unit tests with multiple versions of OpenSSL. - -- Issue #19922: define _INCLUDE__STDC_A1_SOURCE in HP-UX to include mbstate_t - for mbrtowc(). - -- Issue #19788: kill_python(_d).exe is now run as a PreBuildEvent on the - pythoncore sub-project. This should prevent build errors due a previous - build's python(_d).exe still running. - -Documentation -------------- - -- Issue #20265: Updated some parts of the Using Windows document. - -- Issue #20266: Updated some parts of the Windows FAQ. - -- Issue #20255: Updated the about and bugs pages. - -- Issue #20253: Fixed a typo in the ipaddress docs that advertised an - illegal attribute name. Found by INADA Naoki. - -- Issue #18840: Introduce the json module in the tutorial, and de-emphasize - the pickle module. - -- Issue #19845: Updated the Compiling Python on Windows section. - -- Issue #19795: Improved markup of True/False constants. - -Tools/Demos ------------ - -- Issue #19659: Added documentation for Argument Clinic. - -- Issue #19976: Argument Clinic METH_NOARGS functions now always - take two parameters. - - -What's New in Python 3.4.0 Beta 1? -================================== - -Release date: 2013-11-24 - -Core and Builtins ------------------ - -- Use the repr of a module name in more places in import, especially - exceptions. - -- Issue #19619: str.encode, bytes.decode and bytearray.decode now use an - internal API to throw LookupError for known non-text encodings, rather - than attempting the encoding or decoding operation and then throwing a - TypeError for an unexpected output type. (The latter mechanism remains - in place for third party non-text encodings) - -- Issue #19183: Implement PEP 456 'secure and interchangeable hash algorithm'. - Python now uses SipHash24 on all major platforms. - -- Issue #12892: The utf-16* and utf-32* encoders no longer allow surrogate code - points (U+D800-U+DFFF) to be encoded. The utf-32* decoders no longer decode - byte sequences that correspond to surrogate code points. The surrogatepass - error handler now works with the utf-16* and utf-32* codecs. Based on - patches by Victor Stinner and Kang-Hao (Kenny) Lu. - -- Issue #17806: Added keyword-argument support for "tabsize" to - str/bytes.expandtabs(). - -- Issue #17828: Output type errors in str.encode(), bytes.decode() and - bytearray.decode() now direct users to codecs.encode() or codecs.decode() - as appropriate. - -- Issue #17828: The interpreter now attempts to chain errors that occur in - codec processing with a replacement exception of the same type that - includes the codec name in the error message. It ensures it only does this - when the creation of the replacement exception won't lose any information. - -- Issue #19466: Clear the frames of daemon threads earlier during the - Python shutdown to call objects destructors. So "unclosed file" resource - warnings are now corretly emitted for daemon threads. - -- Issue #19514: Deduplicate some _Py_IDENTIFIER declarations. - Patch by Andrei Dorian Duma. - -- Issue #17936: Fix O(n**2) behaviour when adding or removing many subclasses - of a given type. - -- Issue #19428: zipimport now handles errors when reading truncated or invalid - ZIP archive. - -- Issue #18408: Add a new PyFrame_FastToLocalsWithError() function to handle - exceptions when merging fast locals into f_locals of a frame. - PyEval_GetLocals() now raises an exception and return NULL on failure. - -- Issue #19369: Optimized the usage of __length_hint__(). - -- Issue #18603: Ensure that PyOS_mystricmp and PyOS_mystrnicmp are in the - Python executable and not removed by the linker's optimizer. - -- Issue #19306: Add extra hints to the faulthandler module's stack - dumps that these are "upside down". - -Library -------- - -- Issue #3158: doctest can now find doctests in functions and methods - written in C. - -- Issue #13477: Added command line interface to the tarfile module. - Original patch by Berker Peksag. - -- Issue #19674: inspect.signature() now produces a correct signature - for some builtins. - -- Issue #19722: Added opcode.stack_effect(), which - computes the stack effect of bytecode instructions. - -- Issue #19735: Implement private function ssl._create_stdlib_context() to - create SSLContext objects in Python's stdlib module. It provides a single - configuration point and makes use of SSLContext.load_default_certs(). - -- Issue #16203: Add re.fullmatch() function and regex.fullmatch() method, - which anchor the pattern at both ends of the string to match. - Original patch by Matthew Barnett. - -- Issue #13592: Improved the repr for regular expression pattern objects. - Based on patch by Hugo Lopes Tavares. - -- Issue #19641: Added the audioop.byteswap() function to convert big-endian - samples to little-endian and vice versa. - -- Issue #15204: Deprecated the 'U' mode in file-like objects. - -- Issue #17810: Implement PEP 3154, pickle protocol 4. - -- Issue #19668: Added support for the cp1125 encoding. - -- Issue #19689: Add ssl.create_default_context() factory function. It creates - a new SSLContext object with secure default settings. - -- Issue #19727: os.utime(..., None) is now potentially more precise - under Windows. - -- Issue #17201: ZIP64 extensions now are enabled by default. Patch by - William Mallard. - -- Issue #19292: Add SSLContext.load_default_certs() to load default root CA - certificates from default stores or system stores. By default the method - loads CA certs for authentication of server certs. - -- Issue #19673: Add pathlib to the stdlib as a provisional module (PEP 428). - -- Issue #16596: pdb in a generator now properly skips over yield and - yield from rather than stepping out of the generator into its - caller. (This is essential for stepping through asyncio coroutines.) - -- Issue #17916: Added dis.Bytecode.from_traceback() and - dis.Bytecode.current_offset to easily display "current instruction" - markers in the new disassembly API (Patch by Claudiu Popa). - -- Issue #19552: venv now supports bootstrapping pip into virtual environments - -- Issue #17134: Finalize interface to Windows' certificate store. Cert and - CRL enumeration are now two functions. enum_certificates() also returns - purpose flags as set of OIDs. - -- Issue #19555: Restore sysconfig.get_config_var('SO'), (and the distutils - equivalent) with a DeprecationWarning pointing people at $EXT_SUFFIX. - -- Issue #8813: Add SSLContext.verify_flags to change the verification flags - of the context in order to enable certification revocation list (CRL) - checks or strict X509 rules. - -- Issue #18294: Fix the zlib module to make it 64-bit safe. - -- Issue #19682: Fix compatibility issue with old version of OpenSSL that - was introduced by Issue #18379. - -- Issue #14455: plistlib now supports binary plists and has an updated API. - -- Issue #19633: Fixed writing not compressed 16- and 32-bit wave files on - big-endian platforms. - -- Issue #18379: SSLSocket.getpeercert() returns CA issuer AIA fields, OCSP - and CRL distribution points. - -- Issue #18138: Implement cadata argument of SSLContext.load_verify_location() - to load CA certificates and CRL from memory. It supports PEM and DER - encoded strings. - -- Issue #18775: Add name and block_size attribute to HMAC object. They now - provide the same API elements as non-keyed cryptographic hash functions. - -- Issue #17276: MD5 as default digestmod for HMAC is deprecated. The HMAC - module supports digestmod names, e.g. hmac.HMAC('sha1'). - -- Issue #19449: in csv's writerow, handle non-string keys when generating the - error message that certain keys are not in the 'fieldnames' list. - -- Issue #13633: Added a new convert_charrefs keyword arg to HTMLParser that, - when True, automatically converts all character references. - -- Issue #2927: Added the unescape() function to the html module. - -- Issue #8402: Added the escape() function to the glob module. - -- Issue #17618: Add Base85 and Ascii85 encoding/decoding to the base64 module. - -- Issue #19634: time.strftime("%y") now raises a ValueError on AIX when given a - year before 1900. - -- Fix test.support.bind_port() to not cause an error when Python was compiled - on a system with SO_REUSEPORT defined in the headers but run on a system - with an OS kernel that does not support that reasonably new socket option. - -- Fix compilation error under gcc of the ctypes module bundled libffi for arm. - -- Issue #19448: Add private API to SSL module to lookup ASN.1 objects by OID, - NID, short name and long name. - -- Issue #19282: dbm.open now supports the context management protocol. (Inital - patch by Claudiu Popa) - -- Issue #8311: Added support for writing any bytes-like objects in the aifc, - sunau, and wave modules. - -- Issue #5202: Added support for unseekable files in the wave module. - -- Issue #19544 and Issue #1180: Restore global option to ignore - ~/.pydistutils.cfg in Distutils, accidentally removed in backout of - distutils2 changes. - -- Issue #19523: Closed FileHandler leak which occurred when delay was set. - -- Issue #19544 and Issue #6516: Restore support for --user and --group - parameters to sdist command accidentally rolled back as part of the - distutils2 rollback. - -- Issue #13674: Prevented time.strftime from crashing on Windows when given - a year before 1900 and a format of %y. - -- Issue #19406: implementation of the ensurepip module (part of PEP 453). - Patch by Donald Stufft and Nick Coghlan. - -- Issue #19544 and Issue #6286: Restore use of urllib over http allowing use - of http_proxy for Distutils upload command, a feature accidentally lost - in the rollback of distutils2. - -- Issue #19544 and Issue #7457: Restore the read_pkg_file method to - distutils.dist.DistributionMetadata accidentally removed in the undo of - distutils2. - -- Issue #16685: Added support for any bytes-like objects in the audioop module. - Removed support for strings. - -- Issue #7171: Add Windows implementation of ``inet_ntop`` and ``inet_pton`` - to socket module. Patch by Atsuo Ishimoto. - -- Issue #19261: Added support for writing 24-bit samples in the sunau module. - -- Issue #1097797: Added CP273 encoding, used on IBM mainframes in - Germany and Austria. Mapping provided by Michael Bierenfeld. - -- Issue #1575020: Fixed support of 24-bit wave files on big-endian platforms. - -- Issue #19378: Fixed a number of cases in the dis module where the new - "file" parameter was not being honoured correctly - -- Issue #19378: Removed the "dis.Bytecode.show_info" method - -- Issue #19378: Renamed the "dis.Bytecode.display_code" method to - "dis.Bytecode.dis" and converted it to returning a string rather than - printing output. - -- Issue #19378: the "line_offset" parameter in the new "dis.get_instructions" - API has been renamed to "first_line" (and the default value and usage - changed accordingly). This should reduce confusion with the more common use - of "offset" in the dis docs to refer to bytecode offsets. - -- Issue #18678: Corrected spwd struct member names in spwd module: - sp_nam->sp_namp, and sp_pwd->sp_pwdp. The old names are kept as extra - structseq members, for backward compatibility. - -- Issue #6157: Fixed tkinter.Text.debug(). tkinter.Text.bbox() now raises - TypeError instead of TclError on wrong number of arguments. Original patch - by Guilherme Polo. - -- Issue #10197: Rework subprocess.get[status]output to use subprocess - functionality and thus to work on Windows. Patch by Nick Coghlan - -- Issue #6160: The bbox() method of tkinter.Spinbox now returns a tuple of - integers instead of a string. Based on patch by Guilherme Polo. - -- Issue #19403: contextlib.redirect_stdout is now reentrant - -- Issue #19286: Directories in ``package_data`` are no longer added to - the filelist, preventing failure outlined in the ticket. - -- Issue #19480: HTMLParser now accepts all valid start-tag names as defined - by the HTML5 standard. - -- Issue #15114: The html.parser module now raises a DeprecationWarning when the - strict argument of HTMLParser or the HTMLParser.error method are used. - -- Issue #19410: Undo the special-casing removal of '' for - importlib.machinery.FileFinder. - -- Issue #19424: Fix the warnings module to accept filename containing surrogate - characters. - -- Issue #19435: Fix directory traversal attack on CGIHttpRequestHandler. - -- Issue #19227: Remove pthread_atfork() handler. The handler was added to - solve #18747 but has caused issues. - -- Issue #19420: Fix reference leak in module initalization code of - _hashopenssl.c - -- Issue #19329: Optimized compiling charsets in regular expressions. - -- Issue #19227: Try to fix deadlocks caused by re-seeding then OpenSSL - pseudo-random number generator on fork(). - -- Issue #16037: HTTPMessage.readheaders() raises an HTTPException when more than - 100 headers are read. Adapted from patch by Jyrki Pulliainen. - -- Issue #16040: CVE-2013-1752: nntplib: Limit maximum line lengths to 2048 to - prevent readline() calls from consuming too much memory. Patch by Jyrki - Pulliainen. - -- Issue #16041: CVE-2013-1752: poplib: Limit maximum line lengths to 2048 to - prevent readline() calls from consuming too much memory. Patch by Jyrki - Pulliainen. - -- Issue #17997: Change behavior of ``ssl.match_hostname()`` to follow RFC 6125, - for security reasons. It now doesn't match multiple wildcards nor wildcards - inside IDN fragments. - -- Issue #16039: CVE-2013-1752: Change use of readline in imaplib module to limit - line length. Patch by Emil Lind. - -- Issue #19330: the unnecessary wrapper functions have been removed from the - implementations of the new contextlib.redirect_stdout and - contextlib.suppress context managers, which also ensures they provide - reasonable help() output on instances - -- Issue #19393: Fix symtable.symtable function to not be confused when there are - functions or classes named "top". - -- Issue #18685: Restore re performance to pre-PEP 393 levels. - -- Issue #19339: telnetlib module is now using time.monotonic() when available - to compute timeout. - -- Issue #19399: fix sporadic test_subprocess failure. - -- Issue #13234: Fix os.listdir to work with extended paths on Windows. - Patch by Santoso Wijaya. - -- Issue #19375: The site module adding a "site-python" directory to sys.path, - if it exists, is now deprecated. - -- Issue #19379: Lazily import linecache in the warnings module, to make - startup with warnings faster until a warning gets printed. - -- Issue #19288: Fixed the "in" operator of dbm.gnu databases for string - argument. Original patch by Arfrever Frehtes Taifersar Arahesis. - -- Issue #19287: Fixed the "in" operator of dbm.ndbm databases for string - argument. Original patch by Arfrever Frehtes Taifersar Arahesis. - -- Issue #19327: Fixed the working of regular expressions with too big charset. - -- Issue #17400: New 'is_global' attribute for ipaddress to tell if an address - is allocated by IANA for global or private networks. - -- Issue #19350: Increasing the test coverage of macurl2path. Patch by Colin - Williams. - -- Issue #19365: Optimized the parsing of long replacement string in re.sub*() - functions. - -- Issue #19352: Fix unittest discovery when a module can be reached - through several paths (e.g. under Debian/Ubuntu with virtualenv). - -- Issue #15207: Fix mimetypes to read from correct part of Windows registry - Original patch by Dave Chambers - -- Issue #16595: Add prlimit() to resource module. - -- Issue #19324: Expose Linux-specific constants in resource module. - -- Load SSL's error strings in hashlib. - -- Issue #18527: Upgrade internal copy of zlib to 1.2.8. - -- Issue #19274: Add a filterfunc parameter to PyZipFile.writepy. - -- Issue #8964: fix platform._sys_version to handle IronPython 2.6+. - Patch by Martin Matusiak. - -- Issue #19413: Restore pre-3.3 reload() semantics of re-finding modules. - -- Issue #18958: Improve error message for json.load(s) while passing a string - that starts with a UTF-8 BOM. - -- Issue #19307: Improve error message for json.load(s) while passing objects - of the wrong type. - -- Issue #16038: CVE-2013-1752: ftplib: Limit amount of data read by - limiting the call to readline(). Original patch by Michał - Jastrzębski and Giampaolo Rodola. - -- Issue #17087: Improved the repr for regular expression match objects. - -Tests ------ - -- Issue #19664: test_userdict's repr test no longer depends on the order - of dict elements. - -- Issue #19440: Clean up test_capi by removing an unnecessary __future__ - import, converting from test_main to unittest.main, and running the - _testcapi module tests as subTests of a unittest TestCase method. - -- Issue #19378: the main dis module tests are now run with both stdout - redirection *and* passing an explicit file parameter - -- Issue #19378: removed the not-actually-helpful assertInstructionMatches - and assertBytecodeExactlyMatches helpers from bytecode_helper - -- Issue #18702: All skipped tests now reported as skipped. - -- Issue #19439: interpreter embedding tests are now executed on Windows - (Patch by Zachary Ware) - -- Issue #19085: Added basic tests for all tkinter widget options. - -- Issue #19384: Fix test_py_compile for root user, patch by Claudiu Popa. - -Documentation -------------- - -- Issue #18326: Clarify that list.sort's arguments are keyword-only. Also, - attempt to reduce confusion in the glossary by not saying there are - different "types" of arguments and parameters. - -Build ------ - -- Issue #19358: "make clinic" now runs the Argument Clinic preprocessor - over all CPython source files. - -- Update SQLite to 3.8.1, xz to 5.0.5, and Tcl/Tk to 8.6.1 on Windows. - -- Issue #16632: Enable DEP and ASLR on Windows. - -- Issue #17791: Drop PREFIX and EXEC_PREFIX definitions from PC/pyconfig.h - -- Add workaround for VS 2010 nmake clean issue. VS 2010 doesn't set up PATH - for nmake.exe correctly. - -- Issue #19550: Implement Windows installer changes of PEP 453 (ensurepip). - -- Issue #19520: Fix compiler warning in the _sha3 module on 32bit Windows. - -- Issue #19356: Avoid using a C variabled named "_self", it's a reserved - word in some C compilers. - -- Issue #15792: Correct build options on Win64. Patch by Jeremy Kloth. - -- Issue #19373: Apply upstream change to Tk 8.5.15 fixing OS X 10.9 - screen refresh problem for OS X installer build. - -- Issue #19649: On OS X, the same set of file names are now installed - in bin directories for all configurations: non-framework vs framework, - and single arch vs universal builds. pythonx.y-32 is now always - installed for 64-bit/32-bit universal builds. The obsolete and - undocumented pythonw* symlinks are no longer installed anywhere. - -- Issue #19553: PEP 453 - "make install" and "make altinstall" now install or - upgrade pip by default, using the bundled pip provided by the new ensurepip - module. A new configure option, --with-ensurepip[=upgrade|install|no], is - available to override the default ensurepip "--upgrade" option. The option - can also be set with "make [alt]install ENSUREPIP=[upgrade|install|no]". - -- Issue #19551: PEP 453 - the OS X installer now installs pip by default. - -- Update third-party libraries for OS X installers: xz 5.0.3 -> 5.0.5, - SQLite 3.7.13 -> 3.8.1 - -- Issue #15663: Revert OS X installer built-in Tcl/Tk support for 3.4.0b1. - Some third-party projects, such as Matplotlib and PIL/Pillow, - depended on being able to build with Tcl and Tk frameworks in - /Library/Frameworks. - -Tools/Demos ------------ - -- Issue #19730: Argument Clinic now supports all the existing PyArg - "format units" as legacy converters, as well as two new features: - "self converters" and the "version" directive. - -- Issue #19552: pyvenv now bootstraps pip into virtual environments by - default (pass --without-pip to request the old behaviour) - -- Issue #19390: Argument Clinic no longer accepts malformed Python - and C ids. - - -What's New in Python 3.4.0 Alpha 4? -=================================== - -Release date: 2013-10-20 - -Core and Builtins ------------------ - -- Issue #19301: Give classes and functions that are explicitly marked global a - global qualname. - -- Issue #19279: UTF-7 decoder no longer produces illegal strings. - -- Issue #16612: Add "Argument Clinic", a compile-time preprocessor for - C files to generate argument parsing code. (See PEP 436.) - -- Issue #18810: Shift stat calls in importlib.machinery.FileFinder such that - the code is optimistic that if something exists in a directory named exactly - like the possible package being searched for that it's in actuality a - directory. - -- Issue #18416: importlib.machinery.PathFinder now treats '' as the cwd and - importlib.machinery.FileFinder no longer special-cases '' to '.'. This leads - to modules imported from cwd to now possess an absolute file path for - __file__ (this does not affect modules specified by path on the CLI but it - does affect -m/runpy). It also allows FileFinder to be more consistent by not - having an edge case. - -- Issue #4555: All exported C symbols are now prefixed with either - "Py" or "_Py". - -- Issue #19219: Speed up marshal.loads(), and make pyc files slightly - (5% to 10%) smaller. - -- Issue #19221: Upgrade Unicode database to version 6.3.0. - -- Issue #16742: The result of the C callback PyOS_ReadlineFunctionPointer must - now be a string allocated by PyMem_RawMalloc() or PyMem_RawRealloc() (or NULL - if an error occurred), instead of a string allocated by PyMem_Malloc() or - PyMem_Realloc(). - -- Issue #19199: Remove ``PyThreadState.tick_counter`` field - -- Fix macro expansion of _PyErr_OCCURRED(), and make sure to use it in at - least one place so as to avoid regressions. - -- Issue #19087: Improve bytearray allocation in order to allow cheap popping - of data at the front (slice deletion). - -- Issue #19014: memoryview.cast() is now allowed on zero-length views. - -- Issue #18690: memoryview is now automatically registered with - collections.abc.Sequence - -- Issue #19078: memoryview now correctly supports the reversed builtin - (Patch by Claudiu Popa) - -Library -------- - -- Issue #17457: unittest test discovery now works with namespace packages. - Patch by Claudiu Popa. - -- Issue #18235: Fix the sysconfig variables LDSHARED and BLDSHARED under AIX. - Patch by David Edelsohn. - -- Issue #18606: Add the new "statistics" module (PEP 450). Contributed - by Steven D'Aprano. - -- Issue #12866: The audioop module now supports 24-bit samples. - -- Issue #19254: Provide an optimized Python implementation of pbkdf2_hmac. - -- Issues #19201, Issue #19222, Issue #19223: Add "x" mode (exclusive creation) - in opening file to bz2, gzip and lzma modules. Patches by Tim Heaney and - Vajrasky Kok. - -- Fix a reference count leak in _sre. - -- Issue #19262: Initial check in of the 'asyncio' package (a.k.a. Tulip, - a.k.a. PEP 3156). There are no docs yet, and the PEP is slightly - out of date with the code. This module will have *provisional* status - in Python 3.4. - -- Issue #19276: Fixed the wave module on 64-bit big-endian platforms. - -- Issue #19266: Rename the new-in-3.4 ``contextlib.ignore`` context manager - to ``contextlib.suppress`` in order to be more consistent with existing - descriptions of that operation elsewhere in the language and standard - library documentation (Patch by Zero Piraeus). - -- Issue #18891: Completed the new email package (provisional) API additions - by adding new classes EmailMessage, MIMEPart, and ContentManager. - -- Issue #18281: Unused stat constants removed from `tarfile`. - -- Issue #18999: Multiprocessing now supports 'contexts' with the same API - as the module, but bound to specified start methods. - -- Issue #18468: The re.split, re.findall, and re.sub functions and the group() - and groups() methods of match object now always return a string or a bytes - object. - -- Issue #18725: The textwrap module now supports truncating multiline text. - -- Issue #18776: atexit callbacks now display their full traceback when they - raise an exception. - -- Issue #17827: Add the missing documentation for ``codecs.encode`` and - ``codecs.decode``. - -- Issue #19218: Rename collections.abc to _collections_abc in order to - speed up interpreter start. - -- Issue #18582: Add 'pbkdf2_hmac' to the hashlib module. It implements PKCS#5 - password-based key derivation functions with HMAC as pseudorandom function. - -- Issue #19131: The aifc module now correctly reads and writes sampwidth of - compressed streams. - -- Issue #19209: Remove import of copyreg from the os module to speed up - interpreter startup. stat_result and statvfs_result are now hard-coded to - reside in the os module. - -- Issue #19205: Don't import the 're' module in site and sysconfig module to - speed up interpreter start. - -- Issue #9548: Add a minimal "_bootlocale" module that is imported by the - _io module instead of the full locale module. - -- Issue #18764: Remove the 'print' alias for the PDB 'p' command so that it no - longer shadows the print function. - -- Issue #19158: A rare race in BoundedSemaphore could allow .release() too - often. - -- Issue #15805: Add contextlib.redirect_stdout(). - -- Issue #18716: Deprecate the formatter module. - -- Issue #10712: 2to3 has a new "asserts" fixer that replaces deprecated names - of unittest methods (e.g. failUnlessEqual -> assertEqual). - -- Issue #18037: 2to3 now escapes ``'\u'`` and ``'\U'`` in native strings. - -- Issue #17839: base64.decodebytes and base64.encodebytes now accept any - object that exports a 1 dimensional array of bytes (this means the same - is now also true for base64_codec) - -- Issue #19132: The pprint module now supports compact mode. - -- Issue #19137: The pprint module now correctly formats instances of set and - frozenset subclasses. - -- Issue #10042: functools.total_ordering now correctly handles - NotImplemented being returned by the underlying comparison function (Patch - by Katie Miller) - -- Issue #19092: contextlib.ExitStack now correctly reraises exceptions - from the __exit__ callbacks of inner context managers (Patch by Hrvoje - Nikšić) - -- Issue #12641: Avoid passing "-mno-cygwin" to the mingw32 compiler, except - when necessary. Patch by Oscar Benjamin. - -- Issue #5845: In site.py, only load readline history from ~/.python_history - if no history has been read already. This avoids double writes to the - history file at shutdown. - -- Properly initialize all fields of a SSL object after allocation. - -- Issue #19095: SSLSocket.getpeercert() now raises ValueError when the - SSL handshake hasn't been done. - -- Issue #4366: Fix building extensions on all platforms when --enable-shared - is used. - -- Issue #19030: Fixed `inspect.getmembers` and `inspect.classify_class_attrs` - to attempt activating descriptors before falling back to a __dict__ search - for faulty descriptors. `inspect.classify_class_attrs` no longer returns - Attributes whose home class is None. - -C API ------ - -- Issue #1772673: The type of `char*` arguments now changed to `const char*`. - -- Issue #16129: Added a `Py_SetStandardStreamEncoding` pre-initialization API - to allow embedding applications like Blender to force a particular - encoding and error handler for the standard IO streams (initial patch by - Bastien Montagne) - -Tests ------ - -- Issue #19275: Fix test_site on AMD64 Snow Leopard - -- Issue #14407: Fix unittest test discovery in test_concurrent_futures. - -- Issue #18919: Unified and extended tests for audio modules: aifc, sunau and - wave. - -- Issue #18714: Added tests for ``pdb.find_function()``. - -Documentation -------------- - -- Issue #18758: Fixed and improved cross-references. - -- Issue #18972: Modernize email examples and use the argparse module in them. - -Build ------ - -- Issue #19130: Correct PCbuild/readme.txt, Python 3.3 and 3.4 require VS 2010. - -- Issue #15663: Update OS X 10.6+ installer to use Tcl/Tk 8.5.15. - -- Issue #14499: Fix several problems with OS X universal build support: - 1. ppc arch detection for extension module builds broke with Xcode 5 - 2. ppc arch detection in configure did not work on OS X 10.4 - 3. -sysroot and -arch flags were unnecessarily duplicated - 4. there was no obvious way to configure an intel-32 only build. - -- Issue #19019: Change the OS X installer build script to use CFLAGS instead - of OPT for special build options. By setting OPT, some compiler-specific - options like -fwrapv were overridden and thus not used, which could result - in broken interpreters when building with clang. - - -What's New in Python 3.4.0 Alpha 3? -=================================== - -Release date: 2013-09-29 - -Core and Builtins ------------------ - -- Issue #18818: The "encodingname" part of PYTHONIOENCODING is now optional. - -- Issue #19098: Prevent overflow in the compiler when the recursion limit is set - absurdly high. - -Library -------- - -- Issue #18929: `inspect.classify_class_attrs()` now correctly finds class - attributes returned by `dir()` that are located in the metaclass. - -- Issue #18950: Fix miscellaneous bugs in the sunau module. - Au_read.readframes() now updates current file position and reads correct - number of frames from multichannel stream. Au_write.writeframesraw() now - correctly updates current file position. Au_read.getnframes() now returns an - integer (as in Python 2). Au_read and Au_write now correctly works with file - object if start file position is not a zero. - -- Issue #18594: The fast path for collections.Counter() was never taken - due to an over-restrictive type check. - -- Issue #19053: ZipExtFile.read1() with non-zero argument no more returns empty - bytes until end of data. - -- logging: added support for Unix domain sockets to SocketHandler and - DatagramHandler. - -- Issue #18996: TestCase.assertEqual() now more cleverly shorten differing - strings in error report. - -- Issue #19034: repr() for tkinter.Tcl_Obj now exposes string reperesentation. - -- Issue #18978: ``urllib.request.Request`` now allows the method to be - indicated on the class and no longer sets it to None in ``__init__``. - -- Issue #18626: the inspect module now offers a basic command line - introspection interface (Initial patch by Claudiu Popa) - -- Issue #3015: Fixed tkinter with wantobject=False. Any Tcl command call - returned empty string. - -- Issue #19037: The mailbox module now makes all changes to maildir files - before moving them into place, to avoid race conditions with other programs - that may be accessing the maildir directory. - -- Issue #14984: On POSIX systems, when netrc is called without a filename - argument (and therefore is reading the user's $HOME/.netrc file), it now - enforces the same security rules as typical ftp clients: the .netrc file must - be owned by the user that owns the process and must not be readable by any - other user. - -- Issue #18873: The tokenize module now detects Python source code encoding - only in comment lines. - -- Issue #17764: Enable http.server to bind to a user specified network - interface. Patch contributed by Malte Swart. - -- Issue #18937: Add an assertLogs() context manager to unittest.TestCase - to ensure that a block of code emits a message using the logging module. - -- Issue #17324: Fix http.server's request handling case on trailing '/'. Patch - contributed by Vajrasky Kok. - -- Issue #19018: The heapq.merge() function no longer suppresses IndexError - in the underlying iterables. - -- Issue #18784: The uuid module no longer attempts to load libc via ctypes.CDLL - if all the necessary functions have already been found in libuuid. Patch by - Evgeny Sologubov. - -- The :envvar:`PYTHONFAULTHANDLER` environment variable now only enables the - faulthandler module if the variable is non-empty. Same behaviour than other - variables like :envvar:`PYTHONDONTWRITEBYTECODE`. - -- Issue #1565525: New function ``traceback.clear_frames`` will clear - the local variables of all the stack frames referenced by a traceback - object. - -Tests ------ - -- Issue #18952: Fix regression in support data downloads introduced when - test.support was converted to a package. Regression noticed by Zachary - Ware. - -IDLE ----- - -- Issue #18873: IDLE now detects Python source code encoding only in comment - lines. - -- Issue #18988: The "Tab" key now works when a word is already autocompleted. - -Documentation -------------- - -- Issue #17003: Unified the size argument names in the io module with common - practice. - -Build ------ - -- Issue #18596: Support the use of address sanity checking in recent versions - of clang and GCC by appropriately marking known false alarms in the small - object allocator. Patch contributed by Dhiru Kholia. - -Tools/Demos ------------ - -- Issue #18873: 2to3 and the findnocoding.py script now detect Python source - code encoding only in comment lines. - - -What's New in Python 3.4.0 Alpha 2? -=================================== - -Release date: 2013-09-09 - -Core and Builtins ------------------ - -- Issue #18942: sys._debugmallocstats() output was damaged on Windows. - -- Issue #18571: Implementation of the PEP 446: file descriptors and file - handles are now created non-inheritable; add functions - os.get/set_inheritable(), os.get/set_handle_inheritable() and - socket.socket.get/set_inheritable(). - -- Issue #11619: The parser and the import machinery do not encode Unicode - filenames anymore on Windows. - -- Issue #18808: Non-daemon threads are now automatically joined when - a sub-interpreter is shutdown (it would previously dump a fatal error). - -- Remove support for compiling on systems without getcwd(). - -- Issue #18774: Remove last bits of GNU PTH thread code and thread_pth.h. - -- Issue #18771: Add optimization to set object lookups to reduce the cost - of hash collisions. The core idea is to inspect a second key/hash pair - for each cache line retrieved. - -- Issue #16105: When a signal handler fails to write to the file descriptor - registered with ``signal.set_wakeup_fd()``, report an exception instead - of ignoring the error. - -- Issue #18722: Remove uses of the "register" keyword in C code. - -- Issue #18667: Add missing "HAVE_FCHOWNAT" symbol to posix._have_functions. - -- Issue #16499: Add command line option for isolated mode. - -- Issue #15301: Parsing fd, uid, and gid parameters for builtins - in Modules/posixmodule.c is now far more robust. - -- Issue #18368: PyOS_StdioReadline() no longer leaks memory when realloc() - fail. - -- Issue #17934: Add a clear() method to frame objects, to help clean up - expensive details (local variables) and break reference cycles. - -- Issue #18780: %-formatting codes %d, %i, and %u now treat int-subclasses - as int (displays value of int-subclass instead of str(int-subclass) ). - -Library -------- - -- Issue #18808: Thread.join() now waits for the underlying thread state to - be destroyed before returning. This prevents unpredictable aborts in - Py_EndInterpreter() when some non-daemon threads are still running. - -- Issue #18458: Prevent crashes with newer versions of libedit. Its readline - emulation has changed from 0-based indexing to 1-based like gnu readline. - -- Issue #18852: Handle case of ``readline.__doc__`` being ``None`` in the new - readline activation code in ``site.py``. - -- Issue #18672: Fixed format specifiers for Py_ssize_t in debugging output in - the _sre module. - -- Issue #18830: inspect.getclasstree() no longer produces duplicate entries even - when input list contains duplicates. - -- Issue #18878: sunau.open now supports the context management protocol. Based on - patches by Claudiu Popa and R. David Murray. - -- Issue #18909: Fix _tkinter.tkapp.interpaddr() on Windows 64-bit, don't cast - 64-bit pointer to long (32 bits). - -- Issue #18876: The FileIO.mode attribute now better reflects the actual mode - under which the file was opened. Patch by Erik Bray. - -- Issue #16853: Add new selectors module. - -- Issue #18882: Add threading.main_thread() function. - -- Issue #18901: The sunau getparams method now returns a namedtuple rather than - a plain tuple. Patch by Claudiu Popa. - -- Issue #17487: The result of the wave getparams method now is pickleable again. - Patch by Claudiu Popa. - -- Issue #18756: os.urandom() now uses a lazily-opened persistent file - descriptor, so as to avoid using many file descriptors when run in - parallel from multiple threads. - -- Issue #18418: After fork(), reinit all threads states, not only active ones. - Patch by A. Jesse Jiryu Davis. - -- Issue #17974: Switch unittest from using getopt to using argparse. - -- Issue #11798: TestSuite now drops references to own tests after execution. - -- Issue #16611: http.cookie now correctly parses the 'secure' and 'httponly' - cookie flags. - -- Issue #11973: Fix a problem in kevent. The flags and fflags fields are now - properly handled as unsigned. - -- Issue #18807: ``pyvenv`` now takes a --copies argument allowing copies - instead of symlinks even where symlinks are available and the default. - -- Issue #18538: ``python -m dis`` now uses argparse for argument processing. - Patch by Michele Orrù. - -- Issue #18394: Close cgi.FieldStorage's optional file. - -- Issue #17702: On error, os.environb now suppresses the exception context - when raising a new KeyError with the original key. - -- Issue #16809: Fixed some tkinter incompabilities with Tcl/Tk 8.6. - -- Issue #16809: Tkinter's splitlist() and split() methods now accept Tcl_Obj - argument. - -- Issue #18324: set_payload now correctly handles binary input. This also - supersedes the previous fixes for #14360, #1717, and #16564. - -- Issue #18794: Add a fileno() method and a closed attribute to select.devpoll - objects. - -- Issue #17119: Fixed integer overflows when processing large strings and tuples - in the tkinter module. - -- Issue #18747: Re-seed OpenSSL's pseudo-random number generator after fork. - A pthread_atfork() parent handler is used to seed the PRNG with pid, time - and some stack data. - -- Issue #8865: Concurrent invocation of select.poll.poll() now raises a - RuntimeError exception. Patch by Christian Schubert. - -- Issue #18777: The ssl module now uses the new CRYPTO_THREADID API of - OpenSSL 1.0.0+ instead of the deprecated CRYPTO id callback function. - -- Issue #18768: Correct doc string of RAND_edg(). Patch by Vajrasky Kok. - -- Issue #18178: Fix ctypes on BSD. dlmalloc.c was compiled twice which broke - malloc weak symbols. - -- Issue #18709: Fix CVE-2013-4238. The SSL module now handles NULL bytes - inside subjectAltName correctly. Formerly the module has used OpenSSL's - GENERAL_NAME_print() function to get the string represention of ASN.1 - strings for ``rfc822Name`` (email), ``dNSName`` (DNS) and - ``uniformResourceIdentifier`` (URI). - -- Issue #18701: Remove support of old CPython versions (<3.0) from C code. - -- Issue #18756: Improve error reporting in os.urandom() when the failure - is due to something else than /dev/urandom not existing (for example, - exhausting the file descriptor limit). - -- Issue #18673: Add O_TMPFILE to os module. O_TMPFILE requires Linux kernel - 3.11 or newer. It's only defined on system with 3.11 uapi headers, too. - -- Issue #18532: Change the builtin hash algorithms' names to lower case names - as promised by hashlib's documentation. - -- Issue #8713: add new spwan and forkserver start methods, and new functions - get_all_start_methods, get_start_method, and set_start_method, to - multiprocessing. - -- Issue #18405: Improve the entropy of crypt.mksalt(). - -- Issue #12015: The tempfile module now uses a suffix of 8 random characters - instead of 6, to reduce the risk of filename collision. The entropy was - reduced when uppercase letters were removed from the charset used to generate - random characters. - -- Issue #18585: Add :func:`textwrap.shorten` to collapse and truncate a - piece of text to a given length. - -- Issue #18598: Tweak exception message for importlib.import_module() to - include the module name when a key argument is missing. - -- Issue #19151: Fix docstring and use of _get_supported_file_loaders() to - reflect 2-tuples. - -- Issue #19152: Add ExtensionFileLoader.get_filename(). - -- Issue #18676: Change 'positive' to 'non-negative' in queue.py put and get - docstrings and ValueError messages. Patch by Zhongyue Luo - -- Fix refcounting issue with extension types in tkinter. - -- Issue #8112: xlmrpc.server's DocXMLRPCServer server no longer raises an error - if methods have annotations; it now correctly displays the annotations. - -- Issue #18600: Added policy argument to email.message.Message.as_string, - and as_bytes and __bytes__ methods to Message. - -- Issue #18671: Output more information when logging exceptions occur. - -- Issue #18621: Prevent the site module's patched builtins from keeping - too many references alive for too long. - -- Issue #4885: Add weakref support to mmap objects. Patch by Valerie Lambert. - -- Issue #8860: Fixed rounding in timedelta constructor. - -- Issue #18849: Fixed a Windows-specific tempfile bug where collision with an - existing directory caused mkstemp and related APIs to fail instead of - retrying. Report and fix by Vlad Shcherbina. - -- Issue #18920: argparse's default destination for the version action (-v, - --version) has also been changed to stdout, to match the Python executable. - -Tests ------ - -- Issue #18623: Factor out the _SuppressCoreFiles context manager into - test.support. Patch by Valerie Lambert. - -- Issue #12037: Fix test_email for desktop Windows. - -- Issue #15507: test_subprocess's test_send_signal could fail if the test - runner were run in an environment where the process inherited an ignore - setting for SIGINT. Restore the SIGINT handler to the desired - KeyboardInterrupt raising one during that test. - -- Issue #16799: Switched from getopt to argparse style in regrtest's argument - parsing. Added more tests for regrtest's argument parsing. - -- Issue #18792: Use "127.0.0.1" or "::1" instead of "localhost" as much as - possible, since "localhost" goes through a DNS lookup under recent Windows - versions. - -IDLE ----- - -- Issue #18489: Add tests for SearchEngine. Original patch by Phil Webster. - -Documentation -------------- - -- Issue #18743: Fix references to non-existant "StringIO" module. - -- Issue #18783: Removed existing mentions of Python long type in docstrings, - error messages and comments. - -Build ------ - -- Issue #1584: Provide configure options to override default search paths for - Tcl and Tk when building _tkinter. - -- Issue #15663: Tcl/Tk 8.5.14 is now included with the OS X 10.6+ 64-/32-bit - installer. It is no longer necessary to install a third-party version of - Tcl/Tk 8.5 to work around the problems in the Apple-supplied Tcl/Tk 8.5 - shipped in OS X 10.6 and later releases. - -Tools/Demos ------------ - -- Issue #18922: Now The Lib/smtpd.py and Tools/i18n/msgfmt.py scripts write - their version strings to stdout, and not to sderr. - - -What's New in Python 3.4.0 Alpha 1? -=================================== - -Release date: 2013-08-03 - -Core and Builtins ------------------ - -- Issue #16741: Fix an error reporting in int(). - -- Issue #17899: Fix rare file descriptor leak in os.listdir(). - -- Issue #10241: Clear extension module dict copies at interpreter shutdown. - Patch by Neil Schemenauer, minimally modified. - -- Issue #9035: ismount now recognises volumes mounted below a drive root - on Windows. Original patch by Atsuo Ishimoto. - -- Issue #18214: Improve finalization of Python modules to avoid setting - their globals to None, in most cases. - -- Issue #18112: PEP 442 implementation (safe object finalization). - -- Issue #18552: Check return value of PyArena_AddPyObject() in - obj2ast_object(). - -- Issue #18560: Fix potential NULL pointer dereference in sum(). - -- Issue #18520: Add a new PyStructSequence_InitType2() function, same than - PyStructSequence_InitType() except that it has a return value (0 on success, - -1 on error). - -- Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0], - prefix and exec_prefix if the operation system does not obey MAXPATHLEN. - -- Issue #18408: Fix many various bugs in code handling errors, especially - on memory allocation failure (MemoryError). - -- Issue #18344: Fix potential ref-leaks in _bufferedreader_read_all(). - -- Issue #18342: Use the repr of a module name when an import fails when using - ``from ... import ...``. - -- Issue #17872: Fix a segfault in marshal.load() when input stream returns - more bytes than requested. - -- Issue #18338: `python --version` now prints version string to stdout, and - not to stderr. Patch by Berker Peksag and Michael Dickens. - -- Issue #18426: Fix NULL pointer dereference in C extension import when - PyModule_GetDef() returns an error. - -- Issue #17206: On Windows, increase the stack size from 2 MB to 4.2 MB to fix - a stack overflow in the marshal module (fix a crash in test_marshal). - Patch written by Jeremy Kloth. - -- Issue #3329: Implement the PEP 445: Add new APIs to customize Python memory - allocators. - -- Issue #18328: Reorder ops in PyThreadState_Delete*() functions. Now the - tstate is first removed from TLS and then deallocated. - -- Issue #13483: Use VirtualAlloc in obmalloc on Windows. - -- Issue #18184: PyUnicode_FromFormat() and PyUnicode_FromFormatV() now raise - OverflowError when an argument of %c format is out of range. - -- Issue #18111: The min() and max() functions now support a default argument - to be returned instead of raising a ValueError on an empty sequence. - (Contributed by Julian Berman.) - -- Issue #18137: Detect integer overflow on precision in float.__format__() - and complex.__format__(). - -- Issue #18183: Fix various unicode operations on strings with large unicode - codepoints. - -- Issue #18180: Fix ref leak in _PyImport_GetDynLoadWindows(). - -- Issue #18038: SyntaxError raised during compilation sources with illegal - encoding now always contains an encoding name. - -- Issue #17931: Resolve confusion on Windows between pids and process - handles. - -- Tweak the exception message when the magic number or size value in a bytecode - file is truncated. - -- Issue #17932: Fix an integer overflow issue on Windows 64-bit in iterators: - change the C type of seqiterobject.it_index from long to Py_ssize_t. - -- Issue #18065: Don't set __path__ to the package name for frozen packages. - -- Issue #18088: When reloading a module, unconditionally reset all relevant - attributes on the module (e.g. __name__, __loader__, __package__, __file__, - __cached__). - -- Issue #17937: Try harder to collect cyclic garbage at shutdown. - -- Issue #12370: Prevent class bodies from interfering with the __class__ - closure. - -- Issue #17644: Fix a crash in str.format when curly braces are used in square - brackets. - -- Issue #17237: Fix crash in the ASCII decoder on m68k. - -- Issue #17927: Frame objects kept arguments alive if they had been - copied into a cell, even if the cell was cleared. - -- Issue #1545463: At shutdown, defer finalization of codec modules so - that stderr remains usable. - -- Issue #7330: Implement width and precision (ex: "%5.3s") for the format - string of PyUnicode_FromFormat() function, original patch written by Ysj Ray. - -- Issue #1545463: Global variables caught in reference cycles are now - garbage-collected at shutdown. - -- Issue #17094: Clear stale thread states after fork(). Note that this - is a potentially disruptive change since it may release some system - resources which would otherwise remain perpetually alive (e.g. database - connections kept in thread-local storage). - -- Issue #17408: Avoid using an obsolete instance of the copyreg module when - the interpreter is shutdown and then started again. - -- Issue #5845: Enable tab-completion in the interactive interpreter by - default, thanks to a new sys.__interactivehook__. - -- Issue #17115,17116: Module initialization now includes setting __package__ and - __loader__ attributes to None. - -- Issue #17853: Ensure locals of a class that shadow free variables always win - over the closures. - -- Issue #17863: In the interactive console, don't loop forever if the encoding - can't be fetched from stdin. - -- Issue #17867: Raise an ImportError if __import__ is not found in __builtins__. - -- Issue #18698: Ensure importlib.reload() returns the module out of sys.modules. - -- Issue #17857: Prevent build failures with pre-3.5.0 versions of sqlite3, - such as was shipped with Centos 5 and Mac OS X 10.4. - -- Issue #17413: sys.settrace callbacks were being passed a string instead of an - exception instance for the 'value' element of the arg tuple if the exception - originated from C code; now an exception instance is always provided. - -- Issue #17782: Fix undefined behaviour on platforms where - ``struct timespec``'s "tv_nsec" member is not a C long. - -- Issue #17722: When looking up __round__, resolve descriptors. - -- Issue #16061: Speed up str.replace() for replacing 1-character strings. - -- Issue #17715: Fix segmentation fault from raising an exception in a __trunc__ - method. - -- Issue #17643: Add __callback__ attribute to weakref.ref. - -- Issue #16447: Fixed potential segmentation fault when setting __name__ on a - class. - -- Issue #17669: Fix crash involving finalization of generators using yield from. - -- Issue #14439: Python now prints the traceback on runpy failure at startup. - -- Issue #17469: Fix _Py_GetAllocatedBlocks() and sys.getallocatedblocks() - when running on valgrind. - -- Issue #17619: Make input() check for Ctrl-C correctly on Windows. - -- Issue #17357: Add missing verbosity messages for -v/-vv that were lost during - the importlib transition. - -- Issue #17610: Don't rely on non-standard behavior of the C qsort() function. - -- Issue #17323: The "[X refs, Y blocks]" printed by debug builds has been - disabled by default. It can be re-enabled with the `-X showrefcount` option. - -- Issue #17328: Fix possible refleak in dict.setdefault. - -- Issue #17275: Corrected class name in init error messages of the C version of - BufferedWriter and BufferedRandom. - -- Issue #7963: Fixed misleading error message that issued when object is - called without arguments. - -- Issue #8745: Small speed up zipimport on Windows. Patch by Catalin Iacob. - -- Issue #5308: Raise ValueError when marshalling too large object (a sequence - with size >= 2**31), instead of producing illegal marshal data. - -- Issue #12983: Bytes literals with invalid ``\x`` escape now raise a SyntaxError - and a full traceback including line number. - -- Issue #16967: In function definition, evaluate positional defaults before - keyword-only defaults. - -- Issue #17173: Remove uses of locale-dependent C functions (isalpha() etc.) - in the interpreter. - -- Issue #17137: When an Unicode string is resized, the internal wide character - string (wstr) format is now cleared. - -- Issue #17043: The unicode-internal decoder no longer read past the end of - input buffer. - -- Issue #17098: All modules now have __loader__ set even if they pre-exist the - bootstrapping of importlib. - -- Issue #16979: Fix error handling bugs in the unicode-escape-decode decoder. - -- Issue #16772: The base argument to the int constructor no longer accepts - floats, or other non-integer objects with an __int__ method. Objects - with an __index__ method are now accepted. - -- Issue #10156: In the interpreter's initialization phase, unicode globals - are now initialized dynamically as needed. - -- Issue #16980: Fix processing of escaped non-ascii bytes in the - unicode-escape-decode decoder. - -- Issue #16975: Fix error handling bug in the escape-decode bytes decoder. - -- Issue #14850: Now a charmap decoder treats U+FFFE as "undefined mapping" - in any mapping, not only in a string. - -- Issue #16613: Add *m* argument to ``collections.Chainmap.new_child`` to - allow the new child map to be specified explicitly. - -- Issue #16730: importlib.machinery.FileFinder now no longers raises an - exception when trying to populate its cache and it finds out the directory is - unreadable or has turned into a file. Reported and diagnosed by - David Pritchard. - -- Issue #16906: Fix a logic error that prevented most static strings from being - cleared. - -- Issue #11461: Fix the incremental UTF-16 decoder. Original patch by - Amaury Forgeot d'Arc. - -- Issue #16856: Fix a segmentation fault from calling repr() on a dict with - a key whose repr raise an exception. - -- Issue #16367: Fix FileIO.readall() on Windows for files larger than 2 GB. - -- Issue #16761: Calling int() with base argument only now raises TypeError. - -- Issue #16759: Support the full DWORD (unsigned long) range in Reg2Py - when retrieving a REG_DWORD value. This corrects functions like - winreg.QueryValueEx that may have been returning truncated values. - -- Issue #14420: Support the full DWORD (unsigned long) range in Py2Reg - when passed a REG_DWORD value. Fixes OverflowError in winreg.SetValueEx. - -- Issue #11939: Set the st_dev attribute of stat_result to allow Windows to - take advantage of the os.path.samefile/sameopenfile/samestat implementations - used by other platforms. - -- Issue #16772: The int() constructor's second argument (base) no longer - accepts non integer values. Consistent with the behavior in Python 2. - -- Issue #14470: Remove w9xpopen support per PEP 11. - -- Issue #9856: Replace deprecation warning with raising TypeError - in object.__format__. Patch by Florent Xicluna. - -- Issue #16597: In buffered and text IO, call close() on the underlying stream - if invoking flush() fails. - -- Issue #16722: In the bytes() constructor, try to call __bytes__ on the - argument before __index__. - -- Issue #16421: loading multiple modules from one shared object is now - handled correctly (previously, the first module loaded from that file - was silently returned). Patch by Václav Šmilauer. - -- Issue #16602: When a weakref's target was part of a long deallocation - chain, the object could remain reachable through its weakref even though - its refcount had dropped to zero. - -- Issue #16495: Remove extraneous NULL encoding check from bytes_decode(). - -- Issue #16619: Create NameConstant AST class to represent None, True, and False - literals. As a result, these constants are never loaded at runtime from - builtins. - -- Issue #16455: On FreeBSD and Solaris, if the locale is C, the - ASCII/surrogateescape codec is now used (instead of the locale encoding) to - decode the command line arguments. This change fixes inconsistencies with - os.fsencode() and os.fsdecode(), because these operating systems announce an - ASCII locale encoding, but actually use the ISO-8859-1 encoding in practice. - -- Issue #16562: Optimize dict equality testing. Patch by Serhiy Storchaka. - -- Issue #16588: Silence unused-but-set warnings in Python/thread_pthread - -- Issue #16592: stringlib_bytes_join doesn't raise MemoryError on allocation - failure. - -- Issue #16546: Fix: ast.YieldFrom argument is now mandatory. - -- Issue #16514: Fix regression causing a traceback when sys.path[0] is None - (actually, any non-string or non-bytes type). - -- Issue #16306: Fix multiple error messages when unknown command line - parameters where passed to the interpreter. Patch by Hieu Nguyen. - -- Issue #16215: Fix potential double memory free in str.replace(). Patch - by Serhiy Storchaka. - -- Issue #16290: A float return value from the __complex__ special method is no - longer accepted in the complex() constructor. - -- Issue #16416: On Mac OS X, operating system data are now always - encoded/decoded to/from UTF-8/surrogateescape, instead of the locale encoding - (which may be ASCII if no locale environment variable is set), to avoid - inconsistencies with os.fsencode() and os.fsdecode() functions which are - already using UTF-8/surrogateescape. - -- Issue #16453: Fix equality testing of dead weakref objects. - -- Issue #9535: Fix pending signals that have been received but not yet - handled by Python to not persist after os.fork() in the child process. - -- Issue #14794: Fix slice.indices to return correct results for huge values, - rather than raising OverflowError. - -- Issue #15001: fix segfault on "del sys.modules['__main__']". Patch by Victor - Stinner. - -- Issue #8271: the utf-8 decoder now outputs the correct number of U+FFFD - characters when used with the 'replace' error handler on invalid utf-8 - sequences. Patch by Serhiy Storchaka, tests by Ezio Melotti. - -- Issue #5765: Apply a hard recursion limit in the compiler instead of - blowing the stack and segfaulting. Initial patch by Andrea Griffini. - -- Issue #16402: When slicing a range, fix shadowing of exceptions from - __index__. - -- Issue #16336: fix input checking in the surrogatepass error handler. - Patch by Serhiy Storchaka. - -- Issue #8401: assigning an int to a bytearray slice (e.g. b[3:4] = 5) now - raises an error. - -- Issue #7317: Display full tracebacks when an error occurs asynchronously. - Patch by Alon Horev with update by Alexey Kachayev. - -- Issue #16309: Make PYTHONPATH="" behavior the same as if PYTHONPATH - not set at all. - -- Issue #10189: Improve the error reporting of SyntaxErrors related to global - and nonlocal statements. - -- Fix segfaults on setting __qualname__ on builtin types and attempting to - delete it on any type. - -- Issue #14625: Rewrite the UTF-32 decoder. It is now 3x to 4x faster. Patch - written by Serhiy Storchaka. - -- Issue #16345: Fix an infinite loop when ``fromkeys`` on a dict subclass - received a nonempty dict from the constructor. - -- Issue #16271: Fix strange bugs that resulted from __qualname__ appearing in a - class's __dict__ and on type. - -- Issue #12805: Make bytes.join and bytearray.join faster when the separator - is empty. Patch by Serhiy Storchaka. - -- Issue #6074: Ensure cached bytecode files can always be updated by the - user that created them, even when the source file is read-only. - -- Issue #15958: bytes.join and bytearray.join now accept arbitrary buffer - objects. - -- Issue #14783: Improve int() docstring and switch docstrings for str(), - range(), and slice() to use multi-line signatures. - -- Issue #16160: Subclass support now works for types.SimpleNamespace. - -- Issue #16148: Implement PEP 424, adding operator.length_hint and - PyObject_LengthHint. - -- Upgrade Unicode data (UCD) to version 6.2. - -- Issue #15379: Fix passing of non-BMP characters as integers for the charmap - decoder (already working as unicode strings). Patch by Serhiy Storchaka. - -- Issue #15144: Fix possible integer overflow when handling pointers as integer - values, by using `Py_uintptr_t` instead of `size_t`. Patch by Serhiy - Storchaka. - -- Issue #15965: Explicitly cast `AT_FDCWD` as (int). Required on Solaris 10 - (which defines `AT_FDCWD` as ``0xffd19553``), harmless on other platforms. - -- Issue #15839: Convert SystemErrors in `super()` to RuntimeErrors. - -- Issue #15448: Buffered IO now frees the buffer when closed, instead - of when deallocating. - -- Issue #15846: Fix SystemError which happened when using `ast.parse()` in an - exception handler on code with syntax errors. - -- Issue #15897: zipimport.c doesn't check return value of fseek(). - Patch by Felipe Cruz. - -- Issue #15801: Make sure mappings passed to '%' formatting are actually - subscriptable. - -- Issue #15111: __import__ should propagate ImportError when raised as a - side-effect of a module triggered from using fromlist. - -- Issue #15022: Add pickle and comparison support to types.SimpleNamespace. - -Library -------- - -- Issue #4331: Added functools.partialmethod (Initial patch by Alon Horev) - -- Issue #13461: Fix a crash in the TextIOWrapper.tell method on 64-bit - platforms. Patch by Yogesh Chaudhari. - -- Issue #18681: Fix a NameError in importlib.reload() (noticed by Weizhao Li). - -- Issue #14323: Expanded the number of digits in the coefficients for the - RGB -- YIQ conversions so that they match the FCC NTSC versions. - -- Issue #17998: Fix an internal error in regular expression engine. - -- Issue #17557: Fix os.getgroups() to work with the modified behavior of - getgroups(2) on OS X 10.8. Original patch by Mateusz Lenik. - -- Issue #18608: Avoid keeping a strong reference to the locale module - inside the _io module. - -- Issue #18619: Fix atexit leaking callbacks registered from sub-interpreters, - and make it GC-aware. - -- Issue #15699: The readline module now uses PEP 3121-style module - initialization, so as to reclaim allocated resources (Python callbacks) - at shutdown. Original patch by Robin Schreiber. - -- Issue #17616: wave.open now supports the context management protocol. - -- Issue #18599: Fix name attribute of _sha1.sha1() object. It now returns - 'SHA1' instead of 'SHA'. - -- Issue #13266: Added inspect.unwrap to easily unravel __wrapped__ chains - (initial patch by Daniel Urban and Aaron Iles) - -- Issue #18561: Skip name in ctypes' _build_callargs() if name is NULL. - -- Issue #18559: Fix NULL pointer dereference error in _pickle module - -- Issue #18556: Check the return type of PyUnicode_AsWideChar() in ctype's - U_set(). - -- Issue #17818: aifc.getparams now returns a namedtuple. - -- Issue #18549: Eliminate dead code in socket_ntohl() - -- Issue #18530: Remove additional stat call from posixpath.ismount. - Patch by Alex Gaynor. - -- Issue #18514: Fix unreachable Py_DECREF() call in PyCData_FromBaseObj() - -- Issue #9177: Calling read() or write() now raises ValueError, not - AttributeError, on a closed SSL socket. Patch by Senko Rasic. - -- Issue #18513: Fix behaviour of cmath.rect w.r.t. signed zeros on OS X 10.8 + - gcc. - -- Issue #18479: Changed venv Activate.ps1 to make deactivate a function, and - removed Deactivate.ps1. - -- Issue #18480: Add missing call to PyType_Ready to the _elementtree extension. - -- Issue #17778: Fix test discovery for test_multiprocessing. (Patch by - Zachary Ware.) - -- Issue #18393: The private module _gestalt and private functions - platform._mac_ver_gestalt, platform._mac_ver_lookup and - platform._bcd2str have been removed. This does not affect the public - interface of the platform module. - -- Issue #17482: functools.update_wrapper (and functools.wraps) now set the - __wrapped__ attribute correctly even if the underlying function has a - __wrapped__ attribute set. - -- Issue #18431: The new email header parser now decodes RFC2047 encoded words - in structured headers. - -- Issue #18432: The sched module's queue method was incorrectly returning - an iterator instead of a list. - -- Issue #18044: The new email header parser was mis-parsing encoded words where - an encoded character immediately followed the '?' that follows the CTE - character, resulting in a decoding failure. They are now decoded correctly. - -- Issue #18101: Tcl.split() now process strings nested in a tuple as it - do with byte strings. - -- Issue #18116: getpass was always getting an error when testing /dev/tty, - and thus was always falling back to stdin, and would then raise an exception - if stdin could not be used (such as /dev/null). It also leaked an open file. - All of these issues are now fixed. - -- Issue #17198: Fix a NameError in the dbm module. Patch by Valentina - Mukhamedzhanova. - -- Issue #18013: Fix cgi.FieldStorage to parse the W3C sample form. - -- Issue #18020: improve html.escape speed by an order of magnitude. - Patch by Matt Bryant. - -- Issue #18347: ElementTree's html serializer now preserves the case of - closing tags. - -- Issue #17261: Ensure multiprocessing's proxies use proper address. - -- Issue #18343: faulthandler.register() now keeps the previous signal handler - when the function is called twice, so faulthandler.unregister() restores - correctly the original signal handler. - -- Issue #17097: Make multiprocessing ignore EINTR. - -- Issue #18339: Negative ints keys in unpickler.memo dict no longer cause a - segfault inside the _pickle C extension. - -- Issue #18240: The HMAC module is no longer restricted to bytes and accepts - any bytes-like object, e.g. memoryview. Original patch by Jonas Borgström. - -- Issue #18224: Removed pydoc script from created venv, as it causes problems - on Windows and adds no value over and above python -m pydoc ... - -- Issue #18155: The csv module now correctly handles csv files that use - a delimter character that has a special meaning in regexes, instead of - throwing an exception. - -- Issue #14360: encode_quopri can now be successfully used as an encoder - when constructing a MIMEApplication object. - -- Issue #11390: Add -o and -f command line options to the doctest CLI to - specify doctest options (and convert it to using argparse). - -- Issue #18135: ssl.SSLSocket.write() now raises an OverflowError if the input - string in longer than 2 gigabytes, and ssl.SSLContext.load_cert_chain() - raises a ValueError if the password is longer than 2 gigabytes. The ssl - module does not support partial write. - -- Issue #11016: Add C implementation of the stat module as _stat. - -- Issue #18248: Fix libffi build on AIX. - -- Issue #18259: Declare sethostname in socketmodule.c for AIX - -- Issue #18147: Add diagnostic functions to ssl.SSLContext(). get_ca_list() - lists all loaded CA certificates and cert_store_stats() returns amount of - loaded X.509 certs, X.509 CA certs and CRLs. - -- Issue #18167: cgi.FieldStorage no longer fails to handle multipart/form-data - when ``\r\n`` appears at end of 65535 bytes without other newlines. - -- Issue #18076: Introduce importlib.util.decode_source(). - -- Issue #18357: add tests for dictview set difference. - Patch by Fraser Tweedale. - -- importlib.abc.SourceLoader.get_source() no longer changes SyntaxError or - UnicodeDecodeError into ImportError. - -- Issue #18058, 18057: Make the namespace package loader meet the - importlib.abc.InspectLoader ABC, allowing for namespace packages to work with - runpy. - -- Issue #17177: The imp module is pending deprecation. - -- subprocess: Prevent a possible double close of parent pipe fds when the - subprocess exec runs into an error. Prevent a regular multi-close of the - /dev/null fd when any of stdin, stdout and stderr was set to DEVNULL. - -- Issue #18194: Introduce importlib.util.cache_from_source() and - source_from_cache() while documenting the equivalent functions in imp as - deprecated. - -- Issue #17907: Document imp.new_module() as deprecated in favour of - types.ModuleType. - -- Issue #18192: Introduce importlib.util.MAGIC_NUMBER and document as deprecated - imp.get_magic(). - -- Issue #18149: Add filecmp.clear_cache() to manually clear the filecmp cache. - Patch by Mark Levitt - -- Issue #18193: Add importlib.reload(). - -- Issue #18157: Stop using imp.load_module() in pydoc. - -- Issue #16102: Make uuid._netbios_getnode() work again on Python 3. - -- Issue #17134: Add ssl.enum_cert_store() as interface to Windows' cert store. - -- Issue #18143: Implement ssl.get_default_verify_paths() in order to debug - the default locations for cafile and capath. - -- Issue #17314: Move multiprocessing.forking over to importlib. - -- Issue #11959: SMTPServer and SMTPChannel now take an optional map, use of - which avoids affecting global state. - -- Issue #18109: os.uname() now decodes fields from the locale encoding, and - socket.gethostname() now decodes the hostname from the locale encoding, - instead of using the UTF-8 encoding in strict mode. - -- Issue #18089: Implement importlib.abc.InspectLoader.load_module. - -- Issue #18088: Introduce importlib.abc.Loader.init_module_attrs for setting - module attributes. Leads to the pending deprecation of - importlib.util.module_for_loader. - -- Issue #17403: urllib.parse.robotparser normalizes the urls before adding to - ruleline. This helps in handling certain types invalid urls in a conservative - manner. Patch contributed by Mher Movsisyan. - -- Issue #18070: Have importlib.util.module_for_loader() set attributes - unconditionally in order to properly support reloading. - -- Added importlib.util.module_to_load to return a context manager to provide the - proper module object to load. - -- Issue #18025: Fixed a segfault in io.BufferedIOBase.readinto() when raw - stream's read() returns more bytes than requested. - -- Issue #18011: As was originally intended, base64.b32decode() now raises a - binascii.Error if there are non-b32-alphabet characters present in the input - string, instead of a TypeError. - -- Issue #18072: Implement importlib.abc.InspectLoader.get_code() and - importlib.abc.ExecutionLoader.get_code(). - -- Issue #8240: Set the SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER flag on SSL - sockets. - -- Issue #17269: Workaround for socket.getaddrinfo crash on MacOS X - with port None or "0" and flags AI_NUMERICSERV. - -- Issue #16986: ElementTree now correctly works with string input when the - internal XML encoding is not UTF-8 or US-ASCII. - -- Issue #17996: socket module now exposes AF_LINK constant on BSD and OSX. - -- Issue #17900: Allowed pickling of recursive OrderedDicts. Decreased pickled - size and pickling time. - -- Issue #17914: Add os.cpu_count(). Patch by Yogesh Chaudhari, based on an - initial patch by Trent Nelson. - -- Issue #17812: Fixed quadratic complexity of base64.b32encode(). - Optimize base64.b32encode() and base64.b32decode() (speed up to 3x). - -- Issue #17980: Fix possible abuse of ssl.match_hostname() for denial of - service using certificates with many wildcards (CVE-2013-2099). - -- Issue #15758: Fix FileIO.readall() so it no longer has O(n**2) complexity. - -- Issue #14596: The struct.Struct() objects now use a more compact - implementation. - -- Issue #17981: logging's SysLogHandler now closes the socket when it catches - socket OSErrors. - -- Issue #17964: Fix os.sysconf(): the return type of the C sysconf() function - is long, not int. - -- Fix typos in the multiprocessing module. - -- Issue #17754: Make ctypes.util.find_library() independent of the locale. - -- Issue #17968: Fix memory leak in os.listxattr(). - -- Issue #17606: Fixed support of encoded byte strings in the XMLGenerator - characters() and ignorableWhitespace() methods. Original patch by Sebastian - Ortiz Vasquez. - -- Issue #17732: Ignore distutils.cfg options pertaining to install paths if a - virtual environment is active. - -- Issue #17915: Fix interoperability of xml.sax with file objects returned by - codecs.open(). - -- Issue #16601: Restarting iteration over tarfile really restarts rather - than continuing from where it left off. Patch by Michael Birtwell. - -- Issue #17289: The readline module now plays nicer with external modules - or applications changing the rl_completer_word_break_characters global - variable. Initial patch by Bradley Froehle. - -- Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit - platforms. Patch by Federico Schwindt. - -- Issue #11816: multiple improvements to the dis module: get_instructions - generator, ability to redirect output to a file, Bytecode and Instruction - abstractions. Patch by Nick Coghlan, Ryan Kelly and Thomas Kluyver. - -- Issue #13831: Embed stringification of remote traceback in local - traceback raised when pool task raises an exception. - -- Issue #15528: Add weakref.finalize to support finalization using - weakref callbacks. - -- Issue #14173: Avoid crashing when reading a signal handler during - interpreter shutdown. - -- Issue #15902: Fix imp.load_module() accepting None as a file when loading an - extension module. - -- Issue #13721: SSLSocket.getpeercert() and SSLSocket.do_handshake() now - raise an OSError with ENOTCONN, instead of an AttributeError, when the - SSLSocket is not connected. - -- Issue #14679: add an __all__ (that contains only HTMLParser) to html.parser. - -- Issue #17802: Fix an UnboundLocalError in html.parser. Initial tests by - Thomas Barlow. - -- Issue #17358: Modules loaded by imp.load_source() and load_compiled() (and by - extention load_module()) now have a better chance of working when reloaded. - -- Issue #17804: New function ``struct.iter_unpack`` allows for streaming - struct unpacking. - -- Issue #17830: When keyword.py is used to update a keyword file, it now - preserves the line endings of the original file. - -- Issue #17272: Making the urllib.request's Request.full_url a descriptor. - Fixes bugs with assignment to full_url. Patch by Demian Brecht. - -- Issue #17353: Plistlib emitted empty data tags with deeply nested datastructures - -- Issue #11714: Use 'with' statements to assure a Semaphore releases a - condition variable. Original patch by Thomas Rachel. - -- Issue #16624: `subprocess.check_output` now accepts an `input` argument, - allowing the subprocess's stdin to be provided as a (byte) string. - Patch by Zack Weinberg. - -- Issue #17795: Reverted backwards-incompatible change in SysLogHandler with - Unix domain sockets. - -- Issue #16694: Add a pure Python implementation of the operator module. - Patch by Zachary Ware. - -- Issue #11182: remove the unused and undocumented pydoc.Scanner class. - Patch by Martin Morrison. - -- Issue #17741: Add ElementTree.XMLPullParser, an event-driven parser for - non-blocking applications. - -- Issue #17555: Fix ForkAwareThreadLock so that size of after fork - registry does not grow exponentially with generation of process. - -- Issue #17707: fix regression in multiprocessing.Queue's get() method where - it did not block for short timeouts. - -- Issue #17720: Fix the Python implementation of pickle.Unpickler to correctly - process the APPENDS opcode when it is used on non-list objects. - -- Issue #17012: shutil.which() no longer falls back to the PATH environment - variable if an empty path argument is specified. Patch by Serhiy Storchaka. - -- Issue #17710: Fix pickle raising a SystemError on bogus input. - -- Issue #17341: Include the invalid name in the error messages from re about - invalid group names. - -- Issue #17702: os.environ now raises KeyError with the original environment - variable name (str on UNIX), instead of using the encoded name (bytes on - UNIX). - -- Issue #16163: Make the importlib based version of pkgutil.iter_importers - work for submodules. Initial patch by Berker Peksag. - -- Issue #16804: Fix a bug in the 'site' module that caused running - 'python -S -m site' to incorrectly throw an exception. - -- Issue #15480: Remove the deprecated and unused TYPE_INT64 code from marshal. - Initial patch by Daniel Riti. - -- Issue #2118: SMTPException is now a subclass of OSError. - -- Issue #17016: Get rid of possible pointer wraparounds and integer overflows - in the re module. Patch by Nickolai Zeldovich. - -- Issue #16658: add missing return to HTTPConnection.send(). - Patch by Jeff Knupp. - -- Issue #9556: the logging package now allows specifying a time-of-day for a - TimedRotatingFileHandler to rotate. - -- Issue #14971: unittest test discovery no longer gets confused when a function - has a different __name__ than its name in the TestCase class dictionary. - -- Issue #17487: The wave getparams method now returns a namedtuple rather than - a plain tuple. - -- Issue #17675: socket repr() provides local and remote addresses (if any). - Patch by Giampaolo Rodola' - -- Issue #17093: Make the ABCs in importlib.abc provide default values or raise - reasonable exceptions for their methods to make them more amenable to super() - calls. - -- Issue #17566: Make importlib.abc.Loader.module_repr() optional instead of an - abstractmethod; now it raises NotImplementedError so as to be ignored by default. - -- Issue #17678: Remove the use of deprecated method in http/cookiejar.py by - changing the call to get_origin_req_host() to origin_req_host. - -- Issue #17666: Fix reading gzip files with an extra field. - -- Issue #16475: Support object instancing, recursion and interned strings - in marshal - -- Issue #17502: Process DEFAULT values in mock side_effect that returns iterator. - -- Issue #16795: On the ast.arguments object, unify vararg with varargannotation - and kwarg and kwargannotation. Change the column offset of ast.Attribute to be - at the attribute name. - -- Issue #17434: Properly raise a SyntaxError when a string occurs between future - imports. - -- Issue #17117: Import and @importlib.util.set_loader now set __loader__ when - it has a value of None or the attribute doesn't exist. - -- Issue #17032: The "global" in the "NameError: global name 'x' is not defined" - error message has been removed. Patch by Ram Rachum. - -- Issue #18080: When building a C extension module on OS X, if the compiler - is overriden with the CC environment variable, use the new compiler as - the default for linking if LDSHARED is not also overriden. This restores - Distutils behavior introduced in 3.2.3 and inadvertently dropped in 3.3.0. - -- Issue #18113: Fixed a refcount leak in the curses.panel module's - set_userptr() method. Reported by Atsuo Ishimoto. - -- Implement PEP 443 "Single-dispatch generic functions". - -- Implement PEP 435 "Adding an Enum type to the Python standard library". - -- Issue #15596: Faster pickling of unicode strings. - -- Issue #17572: Avoid chained exceptions when passing bad directives to - time.strptime(). Initial patch by Claudiu Popa. - -- Issue #17435: threading.Timer's __init__ method no longer uses mutable - default values for the args and kwargs parameters. - -- Issue #17526: fix an IndexError raised while passing code without filename to - inspect.findsource(). Initial patch by Tyler Doyle. - -- Issue #17540: Added style parameter to logging formatter configuration by dict. - -- Issue #16692: The ssl module now supports TLS 1.1 and TLS 1.2. Initial - patch by Michele Orrù. - -- Issue #17025: multiprocessing: Reduce Queue and SimpleQueue contention. - -- Issue #17536: Add to webbrowser's browser list: www-browser, x-www-browser, - iceweasel, iceape. - -- Issue #17150: pprint now uses line continuations to wrap long string - literals. - -- Issue #17488: Change the subprocess.Popen bufsize parameter default value - from unbuffered (0) to buffering (-1) to match the behavior existing code - expects and match the behavior of the subprocess module in Python 2 to avoid - introducing hard to track down bugs. - -- Issue #17521: Corrected non-enabling of logger following two calls to - fileConfig(). - -- Issue #17508: Corrected logging MemoryHandler configuration in dictConfig() - where the target handler wasn't configured first. - -- Issue #17209: curses.window.get_wch() now correctly handles KeyboardInterrupt - (CTRL+c). - -- Issue #5713: smtplib now handles 421 (closing connection) error codes when - sending mail by closing the socket and reporting the 421 error code via the - exception appropriate to the command that received the error response. - -- Issue #16997: unittest.TestCase now provides a subTest() context manager - to procedurally generate, in an easy way, small test instances. - -- Issue #17485: Also delete the Request Content-Length header if the data - attribute is deleted. (Follow on to issue Issue #16464). - -- Issue #15927: CVS now correctly parses escaped newlines and carriage - when parsing with quoting turned off. - -- Issue #17467: add readline and readlines support to mock_open in - unittest.mock. - -- Issue #13248: removed deprecated and undocumented difflib.isbjunk, - isbpopular. - -- Issue #17192: Update the ctypes module's libffi to v3.0.13. This - specifically addresses a stack misalignment issue on x86 and issues on - some more recent platforms. - -- Issue #8862: Fixed curses cleanup when getkey is interrputed by a signal. - -- Issue #17443: imaplib.IMAP4_stream was using the default unbuffered IO - in subprocess, but the imap code assumes buffered IO. In Python2 this - worked by accident. IMAP4_stream now explicitly uses buffered IO. - -- Issue #17476: Fixed regression relative to Python2 in undocumented pydoc - 'allmethods'; it was missing unbound methods on the class. - -- Issue #17474: Remove the deprecated methods of Request class. - -- Issue #16709: unittest discover order is no-longer filesystem specific. Patch - by Jeff Ramnani. - -- Use the HTTPS PyPI url for upload, overriding any plain HTTP URL in pypirc. - -- Issue #5024: sndhdr.whichhdr now returns the frame count for WAV files - rather than -1. - -- Issue #17460: Remove the strict argument of HTTPConnection and removing the - DeprecationWarning being issued from 3.2 onwards. - -- Issue #16880: Do not assume _imp.load_dynamic() is defined in the imp module. - -- Issue #16389: Fixed a performance regression relative to Python 3.1 in the - caching of compiled regular expressions. - -- Added missing FeedParser and BytesFeedParser to email.parser.__all__. - -- Issue #17431: Fix missing import of BytesFeedParser in email.parser. - -- Issue #12921: http.server's send_error takes an explain argument to send more - information in response. Patch contributed by Karl. - -- Issue #17414: Add timeit, repeat, and default_timer to timeit.__all__. - -- Issue #1285086: Get rid of the refcounting hack and speed up - urllib.parse.unquote() and urllib.parse.unquote_to_bytes(). - -- Issue #17099: Have importlib.find_loader() raise ValueError when __loader__ - is not set, harmonizing with what happens when the attribute is set to None. - -- Expose the O_PATH constant in the os module if it is available. - -- Issue #17368: Fix an off-by-one error in the Python JSON decoder that caused - a failure while decoding empty object literals when object_pairs_hook was - specified. - -- Issue #17385: Fix quadratic behavior in threading.Condition. The FIFO - queue now uses a deque instead of a list. - -- Issue #15806: Add contextlib.ignore(). This creates a context manager to - ignore specified exceptions, replacing the "except SomeException: pass" idiom. - -- Issue #14645: The email generator classes now produce output using the - specified linesep throughout. Previously if the prolog, epilog, or - body were stored with a different linesep, that linesep was used. This - fix corrects an RFC non-compliance issue with smtplib.send_message. - -- Issue #17278: Fix a crash in heapq.heappush() and heapq.heappop() when - the list is being resized concurrently. - -- Issue #16962: Use getdents64 instead of the obsolete getdents syscall - in the subprocess module on Linux. - -- Issue #16935: unittest now counts the module as skipped if it raises SkipTest, - instead of counting it as an error. Patch by Zachary Ware. - -- Issue #17018: Make Process.join() retry if os.waitpid() fails with EINTR. - -- Issue #17223: array module: Fix a crasher when converting an array containing - invalid characters (outside range [U+0000; U+10ffff]) to Unicode: - repr(array), str(array) and array.tounicode(). Patch written by Manuel Jacob. - -- Issue #17197: profile/cProfile modules refactored so that code of run() and - runctx() utility functions is not duplicated in both modules. - -- Issue #14720: sqlite3: Convert datetime microseconds correctly. - Patch by Lowe Thiderman. - -- Issue #15132: Allow a list for the defaultTest argument of - unittest.TestProgram. Patch by Jyrki Pulliainen. - -- Issue #17225: JSON decoder now counts columns in the first line starting - with 1, as in other lines. - -- Issue #6623: Added explicit DeprecationWarning for ftplib.netrc, which has - been deprecated and undocumented for a long time. - -- Issue #13700: Fix byte/string handling in imaplib authentication when an - authobject is specified. - -- Issue #13153: Tkinter functions now raise TclError instead of ValueError when - a string argument contains non-BMP character. - -- Issue #9669: Protect re against infinite loops on zero-width matching in - non-greedy repeat. Patch by Matthew Barnett. - -- Issue #13169: The maximal repetition number in a regular expression has been - increased from 65534 to 2147483647 (on 32-bit platform) or 4294967294 (on - 64-bit). - -- Issue #17143: Fix a missing import in the trace module. Initial patch by - Berker Peksag. - -- Issue #15220: email.feedparser's line splitting algorithm is now simpler and - faster. - -- Issue #16743: Fix mmap overflow check on 32 bit Windows. - -- Issue #16996: webbrowser module now uses shutil.which() to find a - web-browser on the executable search path. - -- Issue #16800: tempfile.gettempdir() no longer left temporary files when - the disk is full. Original patch by Amir Szekely. - -- Issue #17192: Import libffi-3.0.12. - -- Issue #16564: Fixed regression relative to Python2 in the operation of - email.encoders.encode_7or8bit when used with binary data. - -- Issue #17052: unittest discovery should use self.testLoader. - -- Issue #4591: Uid and gid values larger than 2**31 are supported now. - -- Issue #17141: random.vonmisesvariate() no longer hangs for large kappas. - -- Issue #17149: Fix random.vonmisesvariate to always return results in - [0, 2*math.pi]. - -- Issue #1470548: XMLGenerator now works with binary output streams. - -- Issue #6975: os.path.realpath() now correctly resolves multiple nested - symlinks on POSIX platforms. - -- Issue #13773: sqlite3.connect() gets a new `uri` parameter to pass the - filename as a URI, allowing to pass custom options. - -- Issue #16564: Fixed regression relative to Python2 in the operation of - email.encoders.encode_noop when used with binary data. - -- Issue #10355: The mode, name, encoding and newlines properties now work on - SpooledTemporaryFile objects even when they have not yet rolled over. - Obsolete method xreadline (which has never worked in Python 3) has been - removed. - -- Issue #16686: Fixed a lot of bugs in audioop module. Fixed crashes in - avgpp(), maxpp() and ratecv(). Fixed an integer overflow in add(), bias(), - and ratecv(). reverse(), lin2lin() and ratecv() no more lose precision for - 32-bit samples. max() and rms() no more returns a negative result and - various other functions now work correctly with 32-bit sample -0x80000000. - -- Issue #17073: Fix some integer overflows in sqlite3 module. - -- Issue #16723: httplib.HTTPResponse no longer marked closed when the connection - is automatically closed. - -- Issue #15359: Add CAN_BCM protocol support to the socket module. Patch by - Brian Thorne. - -- Issue #16948: Fix quoted printable body encoding for non-latin1 character - sets in the email package. - -- Issue #16811: Fix folding of headers with no value in the provisional email - policies. - -- Issue #17132: Update symbol for "yield from" grammar changes. - -- Issue #17076: Make copying of xattrs more tolerant of missing FS support. - Patch by Thomas Wouters. - -- Issue #17089: Expat parser now correctly works with string input when the - internal XML encoding is not UTF-8 or US-ASCII. It also now accepts bytes - and strings larger than 2 GiB. - -- Issue #6083: Fix multiple segmentation faults occured when PyArg_ParseTuple - parses nested mutating sequence. - -- Issue #5289: Fix ctypes.util.find_library on Solaris. - -- Issue #17106: Fix a segmentation fault in io.TextIOWrapper when an underlying - stream or a decoder produces data of an unexpected type (i.e. when - io.TextIOWrapper initialized with text stream or use bytes-to-bytes codec). - -- Issue #17015: When it has a spec, a Mock object now inspects its signature - when matching calls, so that arguments can be matched positionally or - by name. - -- Issue #15633: httplib.HTTPResponse is now mark closed when the server - sends less than the advertised Content-Length. - -- Issue #12268: The io module file object write methods no longer abort early - when one of its write system calls is interrupted (EINTR). - -- Issue #6972: The zipfile module no longer overwrites files outside of - its destination path when extracting malicious zip files. - -- Issue #4844: ZipFile now raises BadZipFile when opens a ZIP file with an - incomplete "End of Central Directory" record. Original patch by Guilherme - Polo and Alan McIntyre. - -- Issue #17071: Signature.bind() now works when one of the keyword arguments - is named ``self``. - -- Issue #12004: Fix an internal error in PyZipFile when writing an invalid - Python file. Patch by Ben Morgan. - -- Have py_compile use importlib as much as possible to avoid code duplication. - Code now raises FileExistsError if the file path to be used for the - byte-compiled file is a symlink or non-regular file as a warning that import - will not keep the file path type if it writes to that path. - -- Issue #16972: Have site.addpackage() consider already known paths even when - none are explicitly passed in. Bug report and fix by Kirill. - -- Issue #1602133: on Mac OS X a shared library build (``--enable-shared``) - now fills the ``os.environ`` variable correctly. - -- Issue #15505: `unittest.installHandler` no longer assumes SIGINT handler is - set to a callable object. - -- Issue #13454: Fix a crash when deleting an iterator created by itertools.tee() - if all other iterators were very advanced before. - -- Issue #12411: Fix to cgi.parse_multipart to correctly use bytes boundaries - and bytes data. Patch by Jonas Wagner. - -- Issue #16957: shutil.which() no longer searches a bare file name in the - current directory on Unix and no longer searches a relative file path with - a directory part in PATH directories. Patch by Thomas Kluyver. - -- Issue #1159051: GzipFile now raises EOFError when reading a corrupted file - with truncated header or footer. - -- Issue #16993: shutil.which() now preserves the case of the path and extension - on Windows. - -- Issue #16992: On Windows in signal.set_wakeup_fd, validate the file - descriptor argument. - -- Issue #16422: For compatibility with the Python version, the C version of - decimal now uses strings instead of integers for rounding mode constants. - -- Issue #15861: tkinter now correctly works with lists and tuples containing - strings with whitespaces, backslashes or unbalanced braces. - -- Issue #9720: zipfile now writes correct local headers for files larger than - 4 GiB. - -- Issue #16955: Fix the poll() method for multiprocessing's socket - connections on Windows. - -- SSLContext.load_dh_params() now properly closes the input file. - -- Issue #15031: Refactor some .pyc management code to cut down on code - duplication. Thanks to Ronan Lamy for the report and taking an initial stab - at the problem. - -- Issue #16398: Optimize deque.rotate() so that it only moves pointers - and doesn't touch the underlying data with increfs and decrefs. - -- Issue #16900: Issue a ResourceWarning when an ssl socket is left unclosed. - -- Issue #13899: ``\A``, ``\Z``, and ``\B`` now correctly match the A, Z, - and B literals when used inside character classes (e.g. ``'[\A]'``). - Patch by Matthew Barnett. - -- Issue #15545: Fix regression in sqlite3's iterdump method where it was - failing if the connection used a row factory (such as sqlite3.Row) that - produced unsortable objects. (Regression was introduced by fix for 9750). - -- fcntl: add F_DUPFD_CLOEXEC constant, available on Linux 2.6.24+. - -- Issue #15972: Fix error messages when os functions expecting a file name or - file descriptor receive the incorrect type. - -- Issue #8109: The ssl module now has support for server-side SNI, thanks - to a :meth:`SSLContext.set_servername_callback` method. Patch by Daniel - Black. - -- Issue #16860: In tempfile, use O_CLOEXEC when available to set the - close-on-exec flag atomically. - -- Issue #16674: random.getrandbits() is now 20-40% faster for small integers. - -- Issue #16009: JSON error messages now provide more information. - -- Issue #16828: Fix error incorrectly raised by bz2.compress(b'') and - bz2.BZ2Compressor.compress(b''). Initial patch by Martin Packman. - -- Issue #16833: In http.client.HTTPConnection, do not concatenate the request - headers and body when the payload exceeds 16 KB, since it can consume more - memory for no benefit. Patch by Benno Leslie. - -- Issue #16541: tk_setPalette() now works with keyword arguments. - -- Issue #16820: In configparser, `parser.popitem()` no longer raises ValueError. - This makes `parser.clean()` work correctly. - -- Issue #16820: In configparser, ``parser['section'] = {}`` now preserves - section order within the parser. This makes `parser.update()` preserve section - order as well. - -- Issue #16820: In configparser, ``parser['DEFAULT'] = {}`` now correctly - clears previous values stored in the default section. Same goes for - ``parser.update({'DEFAULT': {}})``. - -- Issue #9586: Redefine SEM_FAILED on MacOSX to keep compiler happy. - -- Issue #16787: Increase asyncore and asynchat default output buffers size, to - decrease CPU usage and increase throughput. - -- Issue #10527: make multiprocessing use poll() instead of select() if available. - -- Issue #16688: Now regexes contained backreferences correctly work with - non-ASCII strings. Patch by Matthew Barnett. - -- Issue #16486: Make aifc files act as context managers. - -- Issue #16485: Now file descriptors are closed if file header patching failed - on closing an aifc file. - -- Issue #16640: Run less code under a lock in sched module. - -- Issue #16165: sched.scheduler.run() no longer blocks a scheduler for other - threads. - -- Issue #16641: Default values of sched.scheduler.enter() are no longer - modifiable. - -- Issue #16618: Make glob.glob match consistently across strings and bytes - regarding leading dots. Patch by Serhiy Storchaka. - -- Issue #16788: Add samestat to Lib/ntpath.py - -- Issue #16713: Parsing of 'tel' urls using urlparse separates params from - path. - -- Issue #16443: Add docstrings to regular expression match objects. - Patch by Anton Kasyanov. - -- Issue #15701: Fix HTTPError info method call to return the headers information. - -- Issue #16752: Add a missing import to modulefinder. Patch by Berker Peksag. - -- Issue #16646: ftplib.FTP.makeport() might lose socket error details. - (patch by Serhiy Storchaka) - -- Issue #16626: Fix infinite recursion in glob.glob() on Windows when the - pattern contains a wildcard in the drive or UNC path. Patch by Serhiy - Storchaka. - -- Issue #15783: Except for the number methods, the C version of decimal now - supports all None default values present in decimal.py. These values were - largely undocumented. - -- Issue #11175: argparse.FileType now accepts encoding and errors - arguments. Patch by Lucas Maystre. - -- Issue #16488: epoll() objects now support the `with` statement. Patch - by Serhiy Storchaka. - -- Issue #16298: In HTTPResponse.read(), close the socket when there is no - Content-Length and the incoming stream is finished. Patch by Eran - Rundstein. - -- Issue #16049: Add abc.ABC class to enable the use of inheritance to create - ABCs, rather than the more cumbersome metaclass=ABCMeta. Patch by Bruno - Dupuis. - -- Expose the TCP_FASTOPEN and MSG_FASTOPEN flags in socket when they're - available. - -- Issue #15701: Add a .headers attribute to urllib.error.HTTPError. Patch - contributed by Berker Peksag. - -- Issue #15872: Fix 3.3 regression introduced by the new fd-based shutil.rmtree - that caused it to not ignore certain errors when ignore_errors was set. - Patch by Alessandro Moura and Serhiy Storchaka. - -- Issue #16248: Disable code execution from the user's home directory by - tkinter when the -E flag is passed to Python. Patch by Zachary Ware. - -- Issue #13390: New function :func:`sys.getallocatedblocks()` returns the - number of memory blocks currently allocated. - -- Issue #16628: Fix a memory leak in ctypes.resize(). - -- Issue #13614: Fix setup.py register failure with invalid rst in description. - Patch by Julien Courteau and Pierre Paul Lefebvre. - -- Issue #13512: Create ~/.pypirc securely (CVE-2011-4944). Initial patch by - Philip Jenvey, tested by Mageia and Debian. - -- Issue #7719: Make distutils ignore ``.nfs*`` files instead of choking later - on. Initial patch by SilentGhost and Jeff Ramnani. - -- Issue #13120: Allow to call pdb.set_trace() from thread. - Patch by Ilya Sandler. - -- Issue #16585: Make CJK encoders support error handlers that return bytes per - PEP 383. - -- Issue #10182: The re module doesn't truncate indices to 32 bits anymore. - Patch by Serhiy Storchaka. - -- Issue #16333: use (",", ": ") as default separator in json when indent is - specified, to avoid trailing whitespace. Patch by Serhiy Storchaka. - -- Issue #16573: In 2to3, treat enumerate() like a consuming call, so superfluous - list() calls aren't added to filter(), map(), and zip() which are directly - passed enumerate(). - -- Issue #16464: Reset the Content-Length header when a urllib Request is reused - with new data. - -- Issue #12848: The pure Python pickle implementation now treats object - lengths as unsigned 32-bit integers, like the C implementation does. - Patch by Serhiy Storchaka. - -- Issue #16423: urllib.request now has support for ``data:`` URLs. Patch by - Mathias Panzenböck. - -- Issue #4473: Add a POP3.stls() to switch a clear-text POP3 session into - an encrypted POP3 session, on supported servers. Patch by Lorenzo Catucci. - -- Issue #4473: Add a POP3.capa() method to query the capabilities advertised - by the POP3 server. Patch by Lorenzo Catucci. - -- Issue #4473: Ensure the socket is shutdown cleanly in POP3.close(). - Patch by Lorenzo Catucci. - -- Issue #16522: added FAIL_FAST flag to doctest. - -- Issue #15627: Add the importlib.abc.InspectLoader.source_to_code() method. - -- Issue #16408: Fix file descriptors not being closed in error conditions - in the zipfile module. Patch by Serhiy Storchaka. - -- Issue #14631: Add a new :class:`weakref.WeakMethod` to simulate weak - references to bound methods. - -- Issue #16469: Fix exceptions from float -> Fraction and Decimal -> Fraction - conversions for special values to be consistent with those for float -> int - and Decimal -> int. Patch by Alexey Kachayev. - -- Issue #16481: multiprocessing no longer leaks process handles on Windows. - -- Issue #12428: Add a pure Python implementation of functools.partial(). - Patch by Brian Thorne. - -- Issue #16140: The subprocess module no longer double closes its child - subprocess.PIPE parent file descriptors on child error prior to exec(). - -- Remove a bare print to stdout from the subprocess module that could have - happened if the child process wrote garbage to its pre-exec error pipe. - -- The subprocess module now raises its own SubprocessError instead of a - RuntimeError in various error situations which should not normally happen. - -- Issue #16327: The subprocess module no longer leaks file descriptors - used for stdin/stdout/stderr pipes to the child when fork() fails. - -- Issue #14396: Handle the odd rare case of waitpid returning 0 when not - expected in subprocess.Popen.wait(). - -- Issue #16411: Fix a bug where zlib.decompressobj().flush() might try to access - previously-freed memory. Patch by Serhiy Storchaka. - -- Issue #16357: fix calling accept() on a SSLSocket created through - SSLContext.wrap_socket(). Original patch by Jeff McNeil. - -- Issue #16409: The reporthook callback made by the legacy - urllib.request.urlretrieve API now properly supplies a constant non-zero - block_size as it did in Python 3.2 and 2.7. This matches the behavior of - urllib.request.URLopener.retrieve. - -- Issue #16431: Use the type information when constructing a Decimal subtype - from a Decimal argument. - -- Issue #15641: Clean up deprecated classes from importlib. - Patch by Taras Lyapun. - -- Issue #16350: zlib.decompressobj().decompress() now accumulates data from - successive calls after EOF in unused_data, instead of only saving the argument - to the last call. decompressobj().flush() now correctly sets unused_data and - unconsumed_tail. A bug in the handling of MemoryError when setting the - unconsumed_tail attribute has also been fixed. Patch by Serhiy Storchaka. - -- Issue #12759: sre_parse now raises a proper error when the name of the group - is missing. Initial patch by Serhiy Storchaka. - -- Issue #16152: fix tokenize to ignore whitespace at the end of the code when - no newline is found. Patch by Ned Batchelder. - -- Issue #16284: Prevent keeping unnecessary references to worker functions - in concurrent.futures ThreadPoolExecutor. - -- Issue #16230: Fix a crash in select.select() when one the lists changes - size while iterated on. Patch by Serhiy Storchaka. - -- Issue #16228: Fix a crash in the json module where a list changes size - while it is being encoded. Patch by Serhiy Storchaka. - -- Issue #16351: New function gc.get_stats() returns per-generation collection - statistics. - -- Issue #14897: Enhance error messages of struct.pack and - struct.pack_into. Patch by Matti Mäki. - -- Issue #16316: mimetypes now recognizes the .xz and .txz (.tar.xz) extensions. - Patch by Serhiy Storchaka. - -- Issue #12890: cgitb no longer prints spurious

tags in text - mode when the logdir option is specified. - -- Issue #16307: Fix multiprocessing.Pool.map_async not calling its callbacks. - Patch by Janne Karila. - -- Issue #16305: Fix a segmentation fault occurring when interrupting - math.factorial. - -- Issue #16116: Fix include and library paths to be correct when building C - extensions in venvs. - -- Issue #16245: Fix the value of a few entities in html.entities.html5. - -- Issue #16301: Fix the localhost verification in urllib/request.py for file:// - urls. - -- Issue #16250: Fix the invocations of URLError which had misplaced filename - attribute for exception. - -- Issue #10836: Fix exception raised when file not found in urlretrieve - Initial patch by Ezio Melotti. - -- Issue #14398: Fix size truncation and overflow bugs in the bz2 module. - -- Issue #12692: Fix resource leak in urllib.request when talking to an HTTP - server that does not include a ``Connection: close`` header in its responses. - -- Issue #12034: Fix bogus caching of result in check_GetFinalPathNameByHandle. - Patch by Atsuo Ishimoto. - -- Improve performance of `lzma.LZMAFile` (see also issue #16034). - -- Issue #16220: wsgiref now always calls close() on an iterable response. - Patch by Brent Tubbs. - -- Issue #16270: urllib may hang when used for retrieving files via FTP by using - a context manager. Patch by Giampaolo Rodola'. - -- Issue #16461: Wave library should be able to deal with 4GB wav files, - and sample rate of 44100 Hz. - -- Issue #16176: Properly identify Windows 8 via platform.platform() - -- Issue #16088: BaseHTTPRequestHandler's send_error method includes a - Content-Length header in it's response now. Patch by Antoine Pitrou. - -- Issue #16114: The subprocess module no longer provides a misleading error - message stating that args[0] did not exist when either the cwd or executable - keyword arguments specified a path that did not exist. - -- Issue #16169: Fix ctypes.WinError()'s confusion between errno and winerror. - -- Issue #16110: logging.fileConfig now accepts a pre-initialised ConfigParser - instance. - -- Issue #1492704: shutil.copyfile() raises a distinct SameFileError now if - source and destination are the same file. Patch by Atsuo Ishimoto. - -- Issue #13896: Make shelf instances work with 'with' as context managers. - Original patch by Filip Gruszczyński. - -- Issue #15417: Add support for csh and fish in venv activation scripts. - -- Issue #14377: ElementTree.write and some of the module-level functions have - a new parameter - *short_empty_elements*. It controls how elements with no - contents are emitted. - -- Issue #16089: Allow ElementTree.TreeBuilder to work again with a non-Element - element_factory (fixes a regression in SimpleTAL). - -- Issue #9650: List commonly used format codes in time.strftime and - time.strptime docsttings. Original patch by Mike Hoy. - -- Issue #15452: logging configuration socket listener now has a verify option - that allows an application to apply a verification function to the - received configuration data before it is acted upon. - -- Issue #16034: Fix performance regressions in the new `bz2.BZ2File` - implementation. Initial patch by Serhiy Storchaka. - -- `pty.spawn()` now returns the child process status returned by `os.waitpid()`. - -- Issue #15756: `subprocess.poll()` now properly handles `errno.ECHILD` to - return a returncode of 0 when the child has already exited or cannot be waited - on. - -- Issue #15323: Improve failure message of `Mock.assert_called_once_with()`. - -- Issue #16064: ``unittest -m`` claims executable is "python", not "python3". - -- Issue #12376: Pass on parameters in `TextTestResult.__init__()` super call. - -- Issue #15222: Insert blank line after each message in mbox mailboxes. - -- Issue #16013: Fix `csv.Reader` parsing issue with ending quote characters. - Patch by Serhiy Storchaka. - -- Issue #15421: Fix an OverflowError in `Calendar.itermonthdates()` after - `datetime.MAXYEAR`. Patch by Cédric Krier. - -- Issue #16112: platform.architecture does not correctly escape argument to - /usr/bin/file. Patch by David Benjamin. - -- Issue #15970: `xml.etree.ElementTree` now serializes correctly the empty HTML - elements 'meta' and 'param'. - -- Issue #15842: The `SocketIO.{readable,writable,seekable}` methods now raise - ValueError when the file-like object is closed. Patch by Alessandro Moura. - -- Issue #15876: Fix a refleak in the `curses` module: window.encoding. - -- Issue #15881: Fix `atexit` hook in `multiprocessing`. Original patch by Chris - McDonough. - -- Issue #15841: The readable(), writable() and seekable() methods of - `io.BytesIO` and `io.StringIO` objects now raise ValueError when the object - has been closed. Patch by Alessandro Moura. - -- Issue #15447: Use `subprocess.DEVNULL` in webbrowser, instead of opening - `os.devnull` explicitly and leaving it open. - -- Issue #15509: `webbrowser.UnixBrowser` no longer passes empty arguments to - Popen when ``%action`` substitutions produce empty strings. - -- Issue #12776, issue #11839: Call `argparse` type function (specified by - add_argument) only once. Before, the type function was called twice in the - case where the default was specified and the argument was given as well. This - was especially problematic for the FileType type, as a default file would - always be opened, even if a file argument was specified on the command line. - -- Issue #15906: Fix a regression in argparse caused by the preceding change, - when ``action='append'``, ``type='str'`` and ``default=[]``. - -- Issue #16113: Added sha3 module based on the Keccak reference implementation - 3.2. The `hashlib` module has four additional hash algorithms: `sha3_224`, - `sha3_256`, `sha3_384` and `sha3_512`. As part of the patch some common - code was moved from _hashopenssl.c to hashlib.h. - -- ctypes.call_commethod was removed, since its only usage was in the defunct - samples directory. - -- Issue #16692: Added TLSv1.1 and TLSv1.2 support for the ssl modules. - -- Issue #16832: add abc.get_cache_token() to expose cache validity checking - support in ABCMeta. - -IDLE ----- - -- Issue #18429: Format / Format Paragraph, now works when comment blocks - are selected. As with text blocks, this works best when the selection - only includes complete lines. - -- Issue #18226: Add docstrings and unittests for FormatParagraph.py. - Original patches by Todd Rovito and Phil Webster. - -- Issue #18279: Format - Strip trailing whitespace no longer marks a file as - changed when it has not been changed. This fix followed the addition of a - test file originally written by Phil Webster (the issue's main goal). - -- Issue #7136: In the Idle File menu, "New Window" is renamed "New File". - Patch by Tal Einat, Roget Serwy, and Todd Rovito. - -- Remove dead imports of imp. - -- Issue #18196: Avoid displaying spurious SystemExit tracebacks. - -- Issue #5492: Avoid traceback when exiting IDLE caused by a race condition. - -- Issue #17511: Keep IDLE find dialog open after clicking "Find Next". - Original patch by Sarah K. - -- Issue #18055: Move IDLE off of imp and on to importlib. - -- Issue #15392: Create a unittest framework for IDLE. - Initial patch by Rajagopalasarma Jayakrishnan. - See Lib/idlelib/idle_test/README.txt for how to run Idle tests. - -- Issue #14146: Highlight source line while debugging on Windows. - -- Issue #17838: Allow sys.stdin to be reassigned. - -- Issue #13495: Avoid loading the color delegator twice in IDLE. - -- Issue #17798: Allow IDLE to edit new files when specified on command line. - -- Issue #14735: Update IDLE docs to omit "Control-z on Windows". - -- Issue #17532: Always include Options menu for IDLE on OS X. - Patch by Guilherme Simões. - -- Issue #17585: Fixed IDLE regression. Now closes when using exit() or quit(). - -- Issue #17657: Show full Tk version in IDLE's about dialog. - Patch by Todd Rovito. - -- Issue #17613: Prevent traceback when removing syntax colorizer in IDLE. - -- Issue #1207589: Backwards-compatibility patch for right-click menu in IDLE. - -- Issue #16887: IDLE now accepts Cancel in tabify/untabify dialog box. - -- Issue #17625: In IDLE, close the replace dialog after it is used. - -- Issue #14254: IDLE now handles readline correctly across shell restarts. - -- Issue #17614: IDLE no longer raises exception when quickly closing a file. - -- Issue #6698: IDLE now opens just an editor window when configured to do so. - -- Issue #8900: Using keyboard shortcuts in IDLE to open a file no longer - raises an exception. - -- Issue #6649: Fixed missing exit status in IDLE. Patch by Guilherme Polo. - -- Issue #17114: IDLE now uses non-strict config parser. - -- Issue #9290: In IDLE the sys.std* streams now implement io.TextIOBase - interface and support all mandatory methods and properties. - -- Issue #5066: Update IDLE docs. Patch by Todd Rovito. - -- Issue #16829: IDLE printing no longer fails if there are spaces or other - special characters in the file path. - -- Issue #16491: IDLE now prints chained exception tracebacks. - -- Issue #16819: IDLE method completion now correctly works for bytes literals. - -- Issue #16504: IDLE now catches SyntaxErrors raised by tokenizer. Patch by - Roger Serwy. - -- Issue #16511: Use default IDLE width and height if config param is not valid. - Patch Serhiy Storchaka. - -- Issue #1207589: Add Cut/Copy/Paste items to IDLE right click Context Menu. - Patch by Todd Rovito. - -- Issue #16123: IDLE - deprecate running without a subprocess. - Patch by Roger Serwy. - -Tests ------ - -- Issue #1666318: Add a test that shutil.copytree() retains directory - permissions. Patch by Catherine Devlin. - -- Issue #18273: move the tests in Lib/test/json_tests to Lib/test/test_json - and make them discoverable by unittest. Patch by Zachary Ware. - -- Fix a fcntl test case on KFreeBSD, Debian #708653 (Petr Salinger). - -- Issue #18396: Fix spurious test failure in test_signal on Windows when - faulthandler is enabled (Patch by Jeremy Kloth) - -- Issue #17046: Fix broken test_executable_without_cwd in test_subprocess. - -- Issue #15415: Add new temp_dir() and change_cwd() context managers to - test.support, and refactor temp_cwd() to use them. Patch by Chris Jerdonek. - -- Issue #15494: test.support is now a package rather than a module (Initial - patch by Indra Talip) - -- Issue #17944: test_zipfile now discoverable and uses subclassing to - generate tests for different compression types. Fixed a bug with skipping - some tests due to use of exhausted iterators. - -- Issue #18266: test_largefile now works with unittest test discovery and - supports running only selected tests. Patch by Zachary Ware. - -- Issue #17767: test_locale now works with unittest test discovery. - Original patch by Zachary Ware. - -- Issue #18375: Assume --randomize when --randseed is used for running the - testsuite. - -- Issue #11185: Fix test_wait4 under AIX. Patch by Sébastien Sablé. - -- Issue #18207: Fix test_ssl for some versions of OpenSSL that ignore seconds - in ASN1_TIME fields. - -- Issue #18094: test_uuid no longer reports skipped tests as passed. - -- Issue #17992: Add timeouts to asyncore and asynchat tests so that they won't - accidentally hang. - -- Issue #17833: Fix test_gdb failures seen on machines where debug symbols - for glibc are available (seen on PPC64 Linux). - -- Issue #7855: Add tests for ctypes/winreg for issues found in IronPython. - Initial patch by Dino Viehland. - -- Issue #11078: test___all__ now checks for duplicates in __all__. - Initial patch by R. David Murray. - -- Issue #17712: Fix test_gdb failures on Ubuntu 13.04. - -- Issue #17835: Fix test_io when the default OS pipe buffer size is larger - than one million bytes. - -- Issue #17065: Use process-unique key for winreg tests to avoid failures if - test is run multiple times in parallel (eg: on a buildbot host). - -- Issue #12820: add tests for the xml.dom.minicompat module. - Patch by John Chandler and Phil Connell. - -- Issue #17691: test_univnewlines now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17790: test_set now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17789: test_random now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17779: test_osx_env now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17766: test_iterlen now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17690: test_time now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17692: test_sqlite now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #11995: test_pydoc doesn't import all sys.path modules anymore. - -- Issue #17448: test_sax now skips if there are no xml parsers available - instead of raising an ImportError. - -- Issue #11420: make test suite pass with -B/DONTWRITEBYTECODE set. - Initial patch by Thomas Wouters. - -- Issue #10652: make tcl/tk tests run after __all__ test, patch by - Zachary Ware. - -- Issue #11963: remove human verification from test_parser and test_subprocess. - -- Issue #11732: add a new suppress_crash_popup() context manager to test.support - that disables crash popups on Windows and use it in test_faulthandler and - test_capi. - -- Issue #13898: test_ssl no longer prints a spurious stack trace on Ubuntu. - -- Issue #17283: Share code between `__main__.py` and `regrtest.py` in - `Lib/test`. - -- Issue #17249: convert a test in test_capi to use unittest and reap threads. - -- Issue #17107: Test client-side SNI support in urllib.request thanks to - the new server-side SNI support in the ssl module. Initial patch by - Daniel Black. - -- Issue #17041: Fix testing when Python is configured with the - --without-doc-strings. - -- Issue #16923: Fix ResourceWarnings in test_ssl. - -- Issue #15539: Added regression tests for Tools/scripts/pindent.py. - -- Issue #17479: test_io now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17066: test_robotparser now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17334: test_index now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17333: test_imaplib now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17082: test_dbm* now work with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17079: test_ctypes now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17304: test_hash now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17303: test_future* now work with unittest test discovery. - Patch by Zachary Ware. - -- Issue #17163: test_file now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16925: test_configparser now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16918: test_codecs now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16919: test_crypt now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16910: test_bytes, test_unicode, and test_userstring now work with - unittest test discovery. Patch by Zachary Ware. - -- Issue #16905: test_warnings now works with unittest test discovery. - Initial patch by Berker Peksag. - -- Issue #16898: test_bufio now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16888: test_array now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16896: test_asyncore now works with unittest test discovery. - Patch by Zachary Ware. - -- Issue #16897: test_bisect now works with unittest test discovery. - Initial patch by Zachary Ware. - -- Issue #16852: test_genericpath, test_posixpath, test_ntpath, and test_macpath - now work with unittest test discovery. Patch by Zachary Ware. - -- Issue #16748: test_heapq now works with unittest test discovery. - -- Issue #10646: Tests rearranged for os.samefile/samestat to check for not - just symlinks but also hard links. - -- Issue #15302: Switch regrtest from using getopt to using argparse. - -- Issue #15324: Fix regrtest parsing of --fromfile, --match, and --randomize - options. - -- Issue #16702: test_urllib2_localnet tests now correctly ignores proxies for - localhost tests. - -- Issue #16664: Add regression tests for glob's behaviour concerning entries - starting with a ".". Patch by Sebastian Kreft. - -- Issue #13390: The ``-R`` option to regrtest now also checks for memory - allocation leaks, using :func:`sys.getallocatedblocks()`. - -- Issue #16559: Add more tests for the json module, including some from the - official test suite at json.org. Patch by Serhiy Storchaka. - -- Issue #16661: Fix the `os.getgrouplist()` test by not assuming that it gives - the same output as :command:`id -G`. - -- Issue #16115: Add some tests for the executable argument to - subprocess.Popen(). Initial patch by Kushal Das. - -- Issue #16126: PyErr_Format format mismatch in _testcapimodule.c. - Patch by Serhiy Storchaka. - -- Issue #15304: Fix warning message when `os.chdir()` fails inside - `test.support.temp_cwd()`. Patch by Chris Jerdonek. - -- Issue #15802: Fix test logic in `TestMaildir.test_create_tmp()`. Patch by - Serhiy Storchaka. - -- Issue #15557: Added a test suite for the webbrowser module, thanks to Anton - Barkovsky. - -- Issue #16698: Skip posix test_getgroups when built with OS X - deployment target prior to 10.6. - -Build ------ - -- Issue #16067: Add description into MSI file to replace installer's - temporary name. - -- Issue #18257: Fix readlink usage in python-config. Install the python - version again on Darwin. - -- Issue #18481: Add C coverage reporting with gcov and lcov. A new make target - "coverage-report" creates an instrumented Python build, runs unit tests - and creates a HTML. The report can be updated with "make coverage-lcov". - -- Issue #17845: Clarified the message printed when some module are not built. - -- Issue #18256: Compilation fix for recent AIX releases. Patch by - David Edelsohn. - -- Issue #17547: In configure, explicitly pass -Wformat for the benefit for GCC - 4.8. - -- Issue #15172: Document NASM 2.10+ as requirement for building OpenSSL 1.0.1 - on Windows. - -- Issue #17591: Use lowercase filenames when including Windows header files. - Patch by Roumen Petrov. - -- Issue #17550: Fix the --enable-profiling configure switch. - -- Issue #17425: Build with openssl 1.0.1d on Windows. - -- Issue #16754: Fix the incorrect shared library extension on linux. Introduce - two makefile macros SHLIB_SUFFIX and EXT_SUFFIX. SO now has the value of - SHLIB_SUFFIX again (as in 2.x and 3.1). The SO macro is removed in 3.4. - -- Issue #5033: Fix building of the sqlite3 extension module when the - SQLite library version has "beta" in it. Patch by Andreas Pelme. - -- Issue #17228: Fix building without pymalloc. - -- Issue #3718: Use AC_ARG_VAR to set MACHDEP in configure.ac. - -- Issue #16235: Implement python-config as a shell script. - -- Issue #16769: Remove outdated Visual Studio projects. - -- Issue #17031: Fix running regen in cross builds. - -- Issue #3754: fix typo in pthread AC_CACHE_VAL. - -- Issue #15484: Fix _PYTHON_PROJECT_BASE for srcdir != builddir builds; - use _PYTHON_PROJECT_BASE in distutils/sysconfig.py. - -- Drop support for Windows 2000 (changeset e52df05b496a). - -- Issue #17029: Let h2py search the multiarch system include directory. - -- Issue #16953: Fix socket module compilation on platforms with - HAVE_BROKEN_POLL. Patch by Jeffrey Armstrong. - -- Issue #16320: Remove redundant Makefile dependencies for strings and bytes. - -- Cross compiling needs host and build settings. configure no longer - creates a broken PYTHON_FOR_BUILD variable when --build is missing. - -- Fix cross compiling issue in setup.py, ensure that lib_dirs and inc_dirs are - defined in cross compiling mode, too. - -- Issue #16836: Enable IPv6 support even if IPv6 is disabled on the build host. - -- Issue #16593: Have BSD 'make -s' do the right thing, thanks to Daniel Shahaf - -- Issue #16262: fix out-of-src-tree builds, if mercurial is not installed. - -- Issue #15298: ensure _sysconfigdata is generated in build directory, not - source directory. - -- Issue #15833: Fix a regression in 3.3 that resulted in exceptions being - raised if importlib failed to write byte-compiled files. This affected - attempts to build Python out-of-tree from a read-only source directory. - -- Issue #15923: Fix a mistake in ``asdl_c.py`` that resulted in a TypeError - after 2801bf875a24 (see #15801). - -- Issue #16135: Remove OS/2 support. - -- Issue #15819: Make sure we can build Python out-of-tree from a read-only - source directory. (Somewhat related to issue #9860.) - -- Issue #15587: Enable Tk high-resolution text rendering on Macs with - Retina displays. Applies to Tkinter apps, such as IDLE, on OS X - framework builds linked with Cocoa Tk 8.5. - -- Issue #17161: make install now also installs a python3 man page. - -C-API ------ - -- Issue #18351: Fix various issues in a function in importlib provided to help - PyImport_ExecCodeModuleWithPathnames() (and thus by extension - PyImport_ExecCodeModule() and PyImport_ExecCodeModuleEx()). - -- Issue #9369: The types of `char*` arguments of PyObject_CallFunction() and - PyObject_CallMethod() now changed to `const char*`. Based on patches by - Jörg Müller and Lars Buitinck. - -- Issue #17206: Py_CLEAR(), Py_DECREF(), Py_XINCREF() and Py_XDECREF() now - expand their arguments once instead of multiple times. Patch written by Illia - Polosukhin. - -- Issue #17522: Add the PyGILState_Check() API. - -- Issue #17327: Add PyDict_SetDefault. - -- Issue #16881: Fix Py_ARRAY_LENGTH macro for GCC < 3.1. - -- Issue #16505: Remove unused Py_TPFLAGS_INT_SUBCLASS. - -- Issue #16086: PyTypeObject.tp_flags and PyType_Spec.flags are now unsigned - (unsigned long and unsigned int) to avoid an undefined behaviour with - Py_TPFLAGS_TYPE_SUBCLASS ((1 << 31). PyType_GetFlags() result type is - now unsigned too (unsigned long, instead of long). - -- Issue #16166: Add PY_LITTLE_ENDIAN and PY_BIG_ENDIAN macros and unified - endianness detection and handling. - -Documentation -------------- - -- Issue #17701: Improving strftime documentation. - -- Issue #18440: Clarify that `hash()` can truncate the value returned from an - object's custom `__hash__()` method. - -- Issue #17844: Add links to encoders and decoders for bytes-to-bytes codecs. - -- Issue #14097: improve the "introduction" page of the tutorial. - -- Issue #17977: The documentation for the cadefault argument's default value - in urllib.request.urlopen() is fixed to match the code. - -- Issue #6696: add documentation for the Profile objects, and improve - profile/cProfile docs. Patch by Tom Pinckney. - -- Issue #15940: Specify effect of locale on time functions. - -- Issue #17538: Document XML vulnerabilties - -- Issue #16642: sched.scheduler timefunc initial default is time.monotonic. - Patch by Ramchandra Apte - -- Issue #17047: remove doubled words in docs and docstrings - reported by Serhiy Storchaka and Matthew Barnett. - -- Issue #15465: Document the versioning macros in the C API docs rather than - the standard library docs. Patch by Kushal Das. - -- Issue #16406: Combine the pages for uploading and registering to PyPI. - -- Issue #16403: Document how distutils uses the maintainer field in - PKG-INFO. Patch by Jyrki Pulliainen. - -- Issue #16695: Document how glob handles filenames starting with a - dot. Initial patch by Jyrki Pulliainen. - -- Issue #8890: Stop advertising an insecure practice by replacing uses - of the /tmp directory with better alternatives in the documentation. - Patch by Geoff Wilson. - -- Issue #17203: add long option names to unittest discovery docs. - -- Issue #13094: add "Why do lambdas defined in a loop with different values - all return the same result?" programming FAQ. - -- Issue #14901: Update portions of the Windows FAQ. - Patch by Ashish Nitin Patil. - -- Issue #16267: Better document the 3.3+ approach to combining - @abstractmethod with @staticmethod, @classmethod and @property - -- Issue #15209: Clarify exception chaining description in exceptions module - documentation - -- Issue #15990: Improve argument/parameter documentation. - -- Issue #16209: Move the documentation for the str built-in function to a new - str class entry in the "Text Sequence Type" section. - -- Issue #13538: Improve str() and object.__str__() documentation. - -- Issue #16489: Make it clearer that importlib.find_loader() needs parent - packages to be explicitly imported. - -- Issue #16400: Update the description of which versions of a given package - PyPI displays. - -- Issue #15677: Document that zlib and gzip accept a compression level of 0 to - mean 'no compression'. Patch by Brian Brazil. - -- Issue #16197: Update winreg docstrings and documentation to match code. - Patch by Zachary Ware. - -- Issue #8040: added a version switcher to the documentation. Patch by - Yury Selivanov. - -- Issue #16241: Document -X faulthandler command line option. - Patch by Marek Šuppa. - -- Additional comments and some style changes in the concurrent.futures URL - retrieval example - -- Issue #16115: Improve subprocess.Popen() documentation around args, shell, - and executable arguments. - -- Issue #13498: Clarify docs of os.makedirs()'s exist_ok argument. Done with - great native-speaker help from R. David Murray. - -- Issue #15533: Clarify docs and add tests for `subprocess.Popen()`'s cwd - argument. - -- Issue #15979: Improve timeit documentation. - -- Issue #16036: Improve documentation of built-in `int()`'s signature and - arguments. - -- Issue #15935: Clarification of `argparse` docs, re: add_argument() type and - default arguments. Patch contributed by Chris Jerdonek. - -- Issue #11964: Document a change in v3.2 to the behavior of the indent - parameter of json encoding operations. - -- Issue #15116: Remove references to appscript as it is no longer being - supported. - -Tools/Demos ------------ - -- Issue #18817: Fix a resource warning in Lib/aifc.py demo. Patch by - Vajrasky Kok. - -- Issue #18439: Make patchcheck work on Windows for ACKS, NEWS. - -- Issue #18448: Fix a typo in Tools/demo/eiffel.py. - -- Issue #18457: Fixed saving of formulas and complex numbers in - Tools/demo/ss1.py. - -- Issue #18449: Make Tools/demo/ss1.py work again on Python 3. Patch by - Févry Thibault. - -- Issue #12990: The "Python Launcher" on OSX could not launch python scripts - that have paths that include wide characters. - -- Issue #15239: Make mkstringprep.py work again on Python 3. - -- Issue #17028: Allowed Python arguments to be supplied to the Windows - launcher. - -- Issue #17156: pygettext.py now detects the encoding of source files and - correctly writes and escapes non-ascii characters. - -- Issue #15539: Fix a number of bugs in Tools/scripts/pindent.py. Now - pindent.py works with a "with" statement. pindent.py no longer produces - improper indentation. pindent.py now works with continued lines broken after - "class" or "def" keywords and with continuations at the start of line. - -- Issue #11797: Add a 2to3 fixer that maps reload() to imp.reload(). - -- Issue #10966: Remove the concept of unexpected skipped tests. - -- Issue #9893: Removed the Misc/Vim directory. - -- Removed the Misc/TextMate directory. - -- Issue #16245: Add the Tools/scripts/parse_html5_entities.py script to parse - the list of HTML5 entities and update the html.entities.html5 dictionary. - -- Issue #15378: Fix Tools/unicode/comparecodecs.py. Patch by Serhiy Storchaka. - -- Issue #16549: Make json.tool work again on Python 3 and add tests. - Initial patch by Berker Peksag and Serhiy Storchaka. - -- Issue #13301: use ast.literal_eval() instead of eval() in Tools/i18n/msgfmt.py. - Patch by Serhiy Storchaka. - -Windows -------- - -- Issue #18569: The installer now adds .py to the PATHEXT variable when extensions - are registered. Patch by Paul Moore. - - -What's New in Python 3.3.0? -=========================== - -*Release date: 29-Sep-2012* - -Core and Builtins ------------------ - -- Issue #16046: Fix loading sourceless legacy .pyo files. - -- Issue #16060: Fix refcounting bug when `__trunc__()` returns an object whose - `__int__()` gives a non-integer. Patch by Serhiy Storchaka. - -Extension Modules ------------------ - -- Issue #16012: Fix a regression in pyexpat. The parser's `UseForeignDTD()` - method doesn't require an argument again. - - -What's New in Python 3.3.0 Release Candidate 3? -=============================================== - -*Release date: 23-Sep-2012* - -Core and Builtins ------------------ - -- Issue #15900: Fix reference leak in `PyUnicode_TranslateCharmap()`. - -- Issue #15926: Fix crash after multiple reinitializations of the interpreter. - -- Issue #15895: Fix FILE pointer leak in one error branch of - `PyRun_SimpleFileExFlags()` when filename points to a pyc/pyo file, closeit is - false an and set_main_loader() fails. - -- Fixes for a few crash and memory leak regressions found by Coverity. - -Library -------- - -- Issue #15882: Change `_decimal` to accept any coefficient tuple when - constructing infinities. This is done for backwards compatibility with - decimal.py: Infinity coefficients are undefined in _decimal (in accordance - with the specification). - -- Issue #15925: Fix a regression in `email.util` where the `parsedate()` and - `parsedate_tz()` functions did not return None anymore when the argument could - not be parsed. - -Extension Modules ------------------ - -- Issue #15973: Fix a segmentation fault when comparing datetime timezone - objects. - -- Issue #15977: Fix memory leak in Modules/_ssl.c when the function - _set_npn_protocols() is called multiple times, thanks to Daniel Sommermann. - -- Issue #15969: `faulthandler` module: rename dump_tracebacks_later() to - dump_traceback_later() and cancel_dump_tracebacks_later() to - cancel_dump_traceback_later(). - -- _decimal module: use only C 89 style comments. - - -What's New in Python 3.3.0 Release Candidate 2? -=============================================== - -*Release date: 09-Sep-2012* - -Core and Builtins ------------------ - -- Issue #13992: The trashcan mechanism is now thread-safe. This eliminates - sporadic crashes in multi-thread programs when several long deallocator chains - ran concurrently and involved subclasses of built-in container types. - -- Issue #15784: Modify `OSError`.__str__() to better distinguish between errno - error numbers and Windows error numbers. - -- Issue #15781: Fix two small race conditions in import's module locking. - -Library -------- - -- Issue #17158: Add 'symbols' to help() welcome message; clarify - 'modules spam' messages. - -- Issue #15847: Fix a regression in argparse, which did not accept tuples as - argument lists anymore. - -- Issue #15828: Restore support for C extensions in `imp.load_module()`. - -- Issue #15340: Fix importing the random module when ``/dev/urandom`` cannot be - opened. This was a regression caused by the hash randomization patch. - -- Issue #10650: Deprecate the watchexp parameter of the `Decimal.quantize()` - method. - -- Issue #15785: Modify `window.get_wch()` API of the curses module: return a - character for most keys, and an integer for special keys, instead of always - returning an integer. So it is now possible to distinguish special keys like - keypad keys. - -- Issue #14223: Fix `window.addch()` of the curses module for special characters - like curses.ACS_HLINE: the Python function addch(int) and addch(bytes) is now - calling the C function waddch()/mvwaddch() (as it was done in Python 3.2), - instead of wadd_wch()/mvwadd_wch(). The Python function addch(str) is still - calling the C function wadd_wch()/mvwadd_wch() if the Python curses is linked - to libncursesw. - -Build ------ - -- Issue #15822: Really ensure 2to3 grammar pickles are properly installed - (replaces fixes for Issue #15645). - -Documentation -------------- - -- Issue #15814: The memoryview enhancements in 3.3.0 accidentally permitted the - hashing of multi-dimensional memorviews and memoryviews with multi-byte item - formats. The intended restrictions have now been documented - they will be - correctly enforced in 3.3.1. - - -What's New in Python 3.3.0 Release Candidate 1? -=============================================== - -*Release date: 25-Aug-2012* - -Core and Builtins ------------------ - -- Issue #15573: memoryview comparisons are now performed by value with full - support for any valid struct module format definition. - -- Issue #15316: When an item in the fromlist for `__import__()` doesn't exist, - don't raise an error, but if an exception is raised as part of an import do - let that propagate. - -- Issue #15778: Ensure that ``str(ImportError(msg))`` returns a str even when - msg isn't a str. - -- Issue #2051: Source file permission bits are once again correctly copied to - the cached bytecode file. (The migration to importlib reintroduced this - problem because these was no regression test. A test has been added as part of - this patch) - -- Issue #15761: Fix crash when ``PYTHONEXECUTABLE`` is set on Mac OS X. - -- Issue #15726: Fix incorrect bounds checking in PyState_FindModule. Patch by - Robin Schreiber. - -- Issue #15604: Update uses of `PyObject_IsTrue()` to check for and handle - errors correctly. Patch by Serhiy Storchaka. - -- Issue #14846: `importlib.FileFinder` now handles the case where the directory - being searched is removed after a previous import attempt. - -Library -------- - -- Issue #13370: Ensure that ctypes works on Mac OS X when Python is compiled - using the clang compiler. - -- Issue #13072: The array module's 'u' format code is now deprecated and will be - removed in Python 4.0. - -- Issue #15544: Fix Decimal.__float__ to work with payload-carrying NaNs. - -- Issue #15776: Allow pyvenv to work in existing directory with --clean. - -- Issue #15249: email's BytesGenerator now correctly mangles From lines (when - requested) even if the body contains undecodable bytes. - -- Issue #15777: Fix a refleak in _posixsubprocess. - -- Issue ##665194: Update `email.utils.localtime` to use datetime.astimezone and - correctly handle historic changes in UTC offsets. - -- Issue #15199: Fix JavaScript's default MIME type to application/javascript. - Patch by Bohuslav Kabrda. - -- Issue #12643: `code.InteractiveConsole` now respects `sys.excepthook` when - displaying exceptions. Patch by Aaron Iles. - -- Issue #13579: `string.Formatter` now understands the 'a' conversion specifier. - -- Issue #15595: Fix ``subprocess.Popen(universal_newlines=True)`` for certain - locales (utf-16 and utf-32 family). Patch by Chris Jerdonek. - -- Issue #15477: In cmath and math modules, add workaround for platforms whose - system-supplied log1p function doesn't respect signs of zeros. - -- Issue #15715: `importlib.__import__()` will silence an ImportError when the - use of fromlist leads to a failed import. - -- Issue #14669: Fix pickling of connections and sockets on Mac OS X by - sending/receiving an acknowledgment after file descriptor transfer. - TestPicklingConnection has been reenabled for Mac OS X. - -- Issue #11062: Fix adding a message from file to Babyl mailbox. - -- Issue #15646: Prevent equivalent of a fork bomb when using `multiprocessing` - on Windows without the ``if __name__ == '__main__'`` idiom. - -IDLE ----- - -- Issue #15678: Fix IDLE menus when started from OS X command line (3.3.0b2 - regression). - -Documentation -------------- - -- Touched up the Python 2 to 3 porting guide. - -- Issue #14674: Add a discussion of the `json` module's standard compliance. - Patch by Chris Rebert. - -- Create a 'Concurrent Execution' section in the docs, and split up the - 'Optional Operating System Services' section to use a more user-centric - classification scheme (splitting them across the new CE section, IPC and text - processing). Operating system limitations can be reflected with the Sphinx - ``:platform:`` tag, it doesn't make sense as part of the Table of Contents. - -- Issue #4966: Bring the sequence docs up to date for the Py3k transition and - the many language enhancements since they were original written. - -- The "path importer" misnomer has been replaced with Eric Snow's - more-awkward-but-at-least-not-wrong suggestion of "path based finder" in the - import system reference docs. - -- Issue #15640: Document `importlib.abc.Finder` as deprecated. - -- Issue #15630: Add an example for "continue" stmt in the tutorial. Patch by - Daniel Ellis. - -Tests ------ - -- Issue #15747: ZFS always returns EOPNOTSUPP when attempting to set the - UF_IMMUTABLE flag (via either chflags or lchflags); refactor affected tests in - test_posix.py to account for this. - -- Issue #15285: Refactor the approach for testing connect timeouts using two - external hosts that have been configured specifically for this type of test. - -- Issue #15743: Remove the deprecated method usage in `urllib` tests. Patch by - Jeff Knupp. - -- Issue #15615: Add some tests for the `json` module's handling of invalid input - data. Patch by Kushal Das. - -Build ------ - -- Output lib files for PGO build into PGO directory. - -- Pick up 32-bit launcher from PGO directory on 64-bit PGO build. - -- Drop ``PC\python_nt.h`` as it's not used. Add input dependency on custom - build step. - -- Issue #15511: Drop explicit dependency on pythonxy.lib from _decimal amd64 - configuration. - -- Add missing PGI/PGO configurations for pywlauncher. - -- Issue #15645: Ensure 2to3 grammar pickles are properly installed. - - -What's New in Python 3.3.0 Beta 2? -================================== - -*Release date: 12-Aug-2012* - -Core and Builtins ------------------ - -- Issue #15568: Fix the return value of ``yield from`` when StopIteration is - raised by a custom iterator. - -- Issue #13119: `sys.stdout` and `sys.stderr` are now using "\r\n" newline on - Windows, as Python 2. - -- Issue #15534: Fix the fast-search function for non-ASCII Unicode strings. - -- Issue #15508: Fix the docstring for `__import__()` to have the proper default - value of 0 for 'level' and to not mention negative levels since they are not - supported. - -- Issue #15425: Eliminated traceback noise from more situations involving - importlib. - -- Issue #14578: Support modules registered in the Windows registry again. - -- Issue #15466: Stop using TYPE_INT64 in marshal, to make importlib.h (and other - byte code files) equal between 32-bit and 64-bit systems. - -- Issue #1692335: Move initial exception args assignment to - `BaseException.__new__()` to help pickling of naive subclasses. - -- Issue #12834: Fix `PyBuffer_ToContiguous()` for non-contiguous arrays. - -- Issue #15456: Fix code `__sizeof__()` after #12399 change. Patch by Serhiy - Storchaka. - -- Issue #15404: Refleak in PyMethodObject repr. - -- Issue #15394: An issue in `PyModule_Create()` that caused references to be - leaked on some error paths has been fixed. Patch by Julia Lawall. - -- Issue #15368: An issue that caused bytecode generation to be non-deterministic - has been fixed. - -- Issue #15202: Consistently use the name "follow_symlinks" for new parameters - in os and shutil functions. - -- Issue #15314: ``__main__.__loader__`` is now set correctly during interpreter - startup. - -- Issue #15111: When a module imported using 'from import' has an ImportError - inside itself, don't mask that fact behind a generic ImportError for the - module itself. - -- Issue #15293: Add GC support to the AST base node type. - -- Issue #15291: Fix a memory leak where AST nodes where not properly - deallocated. - -- Issue #15110: Fix the tracebacks generated by "import xxx" to not show the - importlib stack frames. - -- Issue #16369: Global PyTypeObjects not initialized with PyType_Ready(...). - -- Issue #15020: The program name used to search for Python's path is now - "python3" under Unix, not "python". - -- Issue #15897: zipimport.c doesn't check return value of fseek(). - Patch by Felipe Cruz. - -- Issue #15033: Fix the exit status bug when modules invoked using -m switch, - return the proper failure return value (1). Patch contributed by Jeff Knupp. - -- Issue #15229: An `OSError` subclass whose __init__ doesn't call back - OSError.__init__ could produce incomplete instances, leading to crashes when - calling str() on them. - -- Issue #15307: Virtual environments now use symlinks with framework builds on - Mac OS X, like other POSIX builds. - -Library -------- - -- Issue #14590: configparser now correctly strips inline comments when delimiter - occurs earlier without preceding space. - -- Issue #15424: Add a `__sizeof__()` implementation for array objects. Patch by - Ludwig Hähne. - -- Issue #15576: Allow extension modules to act as a package's __init__ module. - -- Issue #15502: Have `importlib.invalidate_caches()` work on `sys.meta_path` - instead of `sys.path_importer_cache`. - -- Issue #15163: Pydoc shouldn't list __loader__ as module data. - -- Issue #15471: Do not use mutable objects as defaults for - `importlib.__import__()`. - -- Issue #15559: To avoid a problematic failure mode when passed to the bytes - constructor, objects in the ipaddress module no longer implement `__index__()` - (they still implement `__int__()` as appropriate). - -- Issue #15546: Fix handling of pathological input data in the peek() and - read1() methods of the BZ2File, GzipFile and LZMAFile classes. - -- Issue #12655: Instead of requiring a custom type, `os.sched_getaffinity()` and - `os.sched_setaffinity()` now use regular sets of integers to represent the - CPUs a process is restricted to. - -- Issue #15538: Fix compilation of the `socket.getnameinfo()` / - `socket.getaddrinfo()` emulation code. Patch by Philipp Hagemeister. - -- Issue #15519: Properly expose WindowsRegistryFinder in importlib (and use the - correct term for it). Original patch by Eric Snow. - -- Issue #15502: Bring the importlib ABCs into line with the current state of the - import protocols given PEP 420. Original patch by Eric Snow. - -- Issue #15499: Launching a webbrowser in Unix used to sleep for a few seconds. - Original patch by Anton Barkovsky. - -- Issue #15463: The faulthandler module truncates strings to 500 characters, - instead of 100, to be able to display long file paths. - -- Issue #6056: Make `multiprocessing` use setblocking(True) on the sockets it - uses. Original patch by J Derek Wilson. - -- Issue #15364: Fix sysconfig.get_config_var('srcdir') to be an absolute path. - -- Issue #15413: `os.times()` had disappeared under Windows. - -- Issue #15402: An issue in the struct module that caused `sys.getsizeof()` to - return incorrect results for struct.Struct instances has been fixed. Initial - patch by Serhiy Storchaka. - -- Issue #15232: When mangle_from is True, `email.Generator` now correctly - mangles lines that start with 'From ' that occur in a MIME preamble or - epilogue. - -- Issue #15094: Incorrectly placed #endif in _tkinter.c. Patch by Serhiy - Storchaka. - -- Issue #13922: `argparse` no longer incorrectly strips '--'s that appear after - the first one. - -- Issue #12353: `argparse` now correctly handles null argument values. - -- Issue #10017, issue #14998: Fix TypeError using pprint on dictionaries with - user-defined types as keys or other unorderable keys. - -- Issue #15397: `inspect.getmodulename()` is now based directly on importlib via - a new `importlib.machinery.all_suffixes()` API. - -- Issue #14635: `telnetlib` will use poll() rather than select() when possible to - avoid failing due to the select() file descriptor limit. - -- Issue #15180: Clarify posixpath.join() error message when mixing str & bytes. - -- Issue #15343: pkgutil now includes an iter_importer_modules implementation for - importlib.machinery.FileFinder (similar to the way it already handled - zipimport.zipimporter). - -- Issue #15314: runpy now sets __main__.__loader__ correctly. - -- Issue #15357: The import emulation in pkgutil is now deprecated. pkgutil uses - importlib internally rather than the emulation. - -- Issue #15233: Python now guarantees that callables registered with the atexit - module will be called in a deterministic order. - -- Issue #15238: `shutil.copystat()` now copies Linux "extended attributes". - -- Issue #15230: runpy.run_path now correctly sets __package__ as described in - the documentation. - -- Issue #15315: Support VS 2010 in distutils cygwincompiler. - -- Issue #15294: Fix a regression in pkgutil.extend_path()'s handling of nested - namespace packages. - -- Issue #15056: `imp.cache_from_source()` and `imp.source_from_cache()` raise - NotImplementedError when `sys.implementation.cache_tag` is set to None. - -- Issue #15256: Grammatical mistake in exception raised by `imp.find_module()`. - -- Issue #5931: `wsgiref` environ variable SERVER_SOFTWARE will specify an - implementation specific term like CPython, Jython instead of generic "Python". - -- Issue #13248: Remove obsolete argument "max_buffer_size" of BufferedWriter and - BufferedRWPair, from the io module. - -- Issue #13248: Remove obsolete argument "version" of `argparse.ArgumentParser`. - -- Issue #14814: Implement more consistent ordering and sorting behaviour for - ipaddress objects. - -- Issue #14814: `ipaddress` network objects correctly return NotImplemented when - compared to arbitrary objects instead of raising TypeError. - -- Issue #14990: Correctly fail with SyntaxError on invalid encoding declaration. - -- Issue #14814: `ipaddress` now provides more informative error messages when - constructing instances directly (changes permitted during beta due to - provisional API status). - -- Issue #15247: `io.FileIO` now raises an error when given a file descriptor - pointing to a directory. - -- Issue #15261: Stop os.stat(fd) crashing on Windows when fd not open. - -- Issue #15166: Implement `imp.get_tag()` using `sys.implementation.cache_tag`. - -- Issue #15210: Catch KeyError when `importlib.__init__()` can't find - _frozen_importlib in sys.modules, not ImportError. - -- Issue #15030: `importlib.abc.PyPycLoader` now supports the new source size - header field in .pyc files. - -- Issue #5346: Preserve permissions of mbox, MMDF and Babyl mailbox files on - flush(). - -- Issue #10571: Fix the "--sign" option of distutils' upload command. Patch by - Jakub Wilk. - -- Issue #9559: If messages were only added, a new file is no longer created and - renamed over the old file when flush() is called on an mbox, MMDF or Babyl - mailbox. - -- Issue #10924: Fixed `crypt.mksalt()` to use a RNG that is suitable for - cryptographic purpose. - -- Issue #15184: Ensure consistent results of OS X configuration tailoring for - universal builds by factoring out common OS X-specific customizations from - sysconfig, distutils.sysconfig, distutils.util, and distutils.unixccompiler - into a new module _osx_support. - -C API ------ - -- Issue #15610: `PyImport_ImportModuleEx()` now uses a 'level' of 0 instead of -1. - -- Issue #15169, issue #14599: Strip out the C implementation of - `imp.source_from_cache()` used by PyImport_ExecCodeModuleWithPathnames() and - used the Python code instead. Leads to PyImport_ExecCodeModuleObject() to not - try to infer the source path from the bytecode path as - PyImport_ExecCodeModuleWithPathnames() does. - -Extension Modules ------------------ - -- Issue #6493: An issue in ctypes on Windows that caused structure bitfields of - type `ctypes.c_uint32` and width 32 to incorrectly be set has been fixed. - -- Issue #15194: Update libffi to the 3.0.11 release. - -IDLE ----- - -- Issue #13052: Fix IDLE crashing when replace string in Search/Replace dialog - ended with ``\``. Patch by Roger Serwy. - -Tools/Demos ------------ - -- Issue #15458: python-config gets a new option --configdir to print the $LIBPL - value. - -- Move importlib.test.benchmark to Tools/importbench. - -- Issue #12605: The gdb hooks for debugging CPython (within Tools/gdb) have been - enhanced to show information on more C frames relevant to CPython within the - "py-bt" and "py-bt-full" commands: - - * C frames that are waiting on the GIL - * C frames that are garbage-collecting - * C frames that are due to the invocation of a PyCFunction - -Documentation -------------- - -- Issue #15041: Update "see also" list in tkinter documentation. - -- Issue #15444: Use proper spelling for non-ASCII contributor names. Patch by - Serhiy Storchaka. - -- Issue #15295: Reorganize and rewrite the documentation on the import system. - -- Issue #15230: Clearly document some of the limitations of the runpy module and - nudge readers towards importlib when appropriate. - -- Issue #15053: Copy Python 3.3 import lock change notice to all relevant - functions in imp instead of just at the top of the relevant section. - -- Issue #15288: Link to the term "loader" in notes in pkgutil about how things - won't work as expected in Python 3.3 and mark the requisite functions as - "changed" since they will no longer work with modules directly imported by - import itself. - -- Issue #13557: Clarify effect of giving two different namespaces to `exec()` or - `execfile()`. - -- Issue #15250: Document that `filecmp.dircmp()` compares files shallowly. Patch - contributed by Chris Jerdonek. - -- Issue #15442: Expose the default list of directories ignored by - `filecmp.dircmp()` as a module attribute, and expand the list to more modern - values. - -Tests ------ - -- Issue #15467: Move helpers for `__sizeof__()` tests into test_support. Patch - by Serhiy Storchaka. - -- Issue #15320: Make iterating the list of tests thread-safe when running tests - in multiprocess mode. Patch by Chris Jerdonek. - -- Issue #15168: Move `importlib.test` to `test.test_importlib`. - -- Issue #15091: Reactivate a test on UNIX which was failing thanks to a - forgotten `importlib.invalidate_caches()` call. - -- Issue #15230: Adopted a more systematic approach in the runpy tests. - -- Issue #15300: Ensure the temporary test working directories are in the same - parent folder when running tests in multiprocess mode from a Python build. - Patch by Chris Jerdonek. - -- Issue #15284: Skip {send,recv}msg tests in test_socket when IPv6 is not - enabled. Patch by Brian Brazil. - -- Issue #15277: Fix a resource leak in support.py when IPv6 is disabled. Patch - by Brian Brazil. - -Build ------ - -- Issue #11715: Fix multiarch detection without having Debian development tools - (dpkg-dev) installed. - -- Issue #15037: Build OS X installers with local copy of ncurses 5.9 libraries - to avoid curses.unget_wch bug present in older versions of ncurses such as - those shipped with OS X. - -- Issue #15560: Fix building _sqlite3 extension on OS X with an SDK. Also, for - OS X installers, ensure consistent sqlite3 behavior and feature availability - by building a local copy of libsqlite3 rather than depending on the wide range - of versions supplied with various OS X releases. - -- Issue #8847: Disable COMDAT folding in Windows PGO builds. - -- Issue #14018: Fix OS X Tcl/Tk framework checking when using OS X SDKs. - -- Issue #16256: OS X installer now sets correct permissions for doc directory. - -- Issue #15431: Add _freeze_importlib project to regenerate importlib.h on - Windows. Patch by Kristján Valur Jónsson. - -- Issue #14197: For OS X framework builds, ensure links to the shared library - are created with the proper ABI suffix. - -- Issue #14330: For cross builds, don't use host python, use host search paths - for host compiler. - -- Issue #15235: Allow Berkley DB versions up to 5.3 to build the dbm module. - -- Issue #15268: Search curses.h in /usr/include/ncursesw. - - -What's New in Python 3.3.0 Beta 1? -================================== - -*Release date: 27-Jun-2012* - -Core and Builtins ------------------ - -- Fix a (most likely) very rare memory leak when calling main() and not being - able to decode a command-line argument. - -- Issue #14815: Use Py_ssize_t instead of long for the object hash, to - preserve all 64 bits of hash on Win64. - -- Issue #12268: File readline, readlines and read() or readall() methods - no longer lose data when an underlying read system call is interrupted. - IOError is no longer raised due to a read system call returning EINTR - from within these methods. - -- Issue #11626: Add _SizeT functions to stable ABI. - -- Issue #15142: Fix reference leak when deallocating instances of types - created using PyType_FromSpec(). - -- Issue #10053: Don't close FDs when FileIO.__init__ fails. Loosely based on - the work by Hirokazu Yamamoto. - -- Issue #15096: Removed support for ur'' as the raw notation isn't - compatible with Python 2.x's raw unicode strings. - -- Issue #13783: Generator objects now use the identifier APIs internally - -- Issue #14874: Restore charmap decoding speed to pre-PEP 393 levels. - Patch by Serhiy Storchaka. - -- Issue #15026: utf-16 encoding is now significantly faster (up to 10x). - Patch by Serhiy Storchaka. - -- Issue #11022: open() and io.TextIOWrapper are now calling - locale.getpreferredencoding(False) instead of locale.getpreferredencoding() - in text mode if the encoding is not specified. Don't change temporary the - locale encoding using locale.setlocale(), use the current locale encoding - instead of the user preferred encoding. - -- Issue #14673: Add Eric Snow's sys.implementation implementation. - -- Issue #15038: Optimize python Locks on Windows. - -Library -------- - -- Issue #12288: Consider '0' and '0.0' as valid initialvalue - for tkinter SimpleDialog. - -- Issue #15512: Add a __sizeof__ implementation for parser. - Patch by Serhiy Storchaka. - -- Issue #15469: Add a __sizeof__ implementation for deque objects. - Patch by Serhiy Storchaka. - -- Issue #15489: Add a __sizeof__ implementation for BytesIO objects. - Patch by Serhiy Storchaka. - -- Issue #15487: Add a __sizeof__ implementation for buffered I/O objects. - Patch by Serhiy Storchaka. - -- Issue #15514: Correct __sizeof__ support for cpu_set. - Patch by Serhiy Storchaka. - -- Issue #15177: Added dir_fd parameter to os.fwalk(). - -- Issue #15061: Re-implemented hmac.compare_digest() in C to prevent further - timing analysis and to support all buffer protocol aware objects as well as - ASCII only str instances safely. - -- Issue #15164: Change return value of platform.uname() from a - plain tuple to a collections.namedtuple. - -- Support Mageia Linux in the platform module. - -- Issue #11678: Support Arch linux in the platform module. - -- Issue #15118: Change return value of os.uname() and os.times() from - plain tuples to immutable iterable objects with named attributes - (structseq objects). - -- Speed up _decimal by another 10-15% by caching the thread local context - that was last accessed. In the pi benchmark (64-bit platform, prec=9), - _decimal is now only 1.5x slower than float. - -- Remove the packaging module, which is not ready for prime time. - -- Issue #15154: Add "dir_fd" parameter to os.rmdir, remove "rmdir" - parameter from os.remove / os.unlink. - -- Issue #4489: Add a shutil.rmtree that isn't susceptible to symlink attacks. - It is used automatically on platforms supporting the necessary os.openat() - and os.unlinkat() functions. Main code by Martin von Löwis. - -- Issue #15156: HTMLParser now uses the new "html.entities.html5" dictionary. - -- Issue #11113: add a new "html5" dictionary containing the named character - references defined by the HTML5 standard and the equivalent Unicode - character(s) to the html.entities module. - -- Issue #15114: the strict mode of HTMLParser and the HTMLParseError exception - are deprecated now that the parser is able to parse invalid markup. - -- Issue #3665: \u and \U escapes are now supported in unicode regular - expressions. Patch by Serhiy Storchaka. - -- Issue #15153: Added inspect.getgeneratorlocals to simplify white box - testing of generator state updates - -- Issue #13062: Added inspect.getclosurevars to simplify testing stateful - closures - -- Issue #11024: Fixes and additional tests for Time2Internaldate. - -- Issue #14626: Large refactoring of functions / parameters in the os module. - Many functions now support "dir_fd" and "follow_symlinks" parameters; - some also support accepting an open file descriptor in place of a path - string. Added os.support_* collections as LBYL helpers. Removed many - functions only previously seen in 3.3 alpha releases (often starting with - "f" or "l", or ending with "at"). Originally suggested by Serhiy Storchaka; - implemented by Larry Hastings. - -- Issue #15008: Implement PEP 362 "Signature Objects". - Patch by Yury Selivanov. - -- Issue: #15138: base64.urlsafe_{en,de}code() are now 3-4x faster. - -- Issue #444582: Add shutil.which, for finding programs on the system path. - Original patch by Erik Demaine, with later iterations by Jan Killian - and Brian Curtin. - -- Issue #14837: SSL errors now have ``library`` and ``reason`` attributes - describing precisely what happened and in which OpenSSL submodule. The - str() of a SSLError is also enhanced accordingly. - -- Issue #9527: datetime.astimezone() method will now supply a class - timezone instance corresponding to the system local timezone when - called with no arguments. - -- Issue #14653: email.utils.mktime_tz() no longer relies on system - mktime() when timezone offest is supplied. - -- Issue #14684: zlib.compressobj() and zlib.decompressobj() now support the use - of predefined compression dictionaries. Original patch by Sam Rushing. - -- Fix GzipFile's handling of filenames given as bytes objects. - -- Issue #14772: Return destination values from some shutil functions. - -- Issue #15064: Implement context manager protocol for multiprocessing types - -- Issue #15101: Make pool finalizer avoid joining current thread. - -- Issue #14657: The frozen instance of importlib used for bootstrap is now - also the module imported as importlib._bootstrap. - -- Issue #14055: Add __sizeof__ support to _elementtree. - -- Issue #15054: A bug in tokenize.tokenize that caused string literals - with 'b' prefixes to be incorrectly tokenized has been fixed. - Patch by Serhiy Storchaka. - -- Issue #15006: Allow equality comparison between naive and aware - time or datetime objects. - -- Issue #15036: Mailbox no longer throws an error if a flush is done - between operations when removing or changing multiple items in mbox, - MMDF, or Babyl mailboxes. - -- Issue #14059: Implement multiprocessing.Barrier. - -- Issue #15061: The inappropriately named hmac.secure_compare has been - renamed to hmac.compare_digest, restricted to operating on bytes inputs - only and had its documentation updated to more accurately reflect both its - intent and its limitations - -- Issue #13841: Make child processes exit using sys.exit() on Windows. - -- Issue #14936: curses_panel was converted to PEP 3121 and PEP 384 API. - Patch by Robin Schreiber. - -- Issue #1667546: On platforms supporting tm_zone and tm_gmtoff fields - in struct tm, time.struct_time objects returned by time.gmtime(), - time.localtime() and time.strptime() functions now have tm_zone and - tm_gmtoff attributes. Original patch by Paul Boddie. - -- Rename adjusted attribute to adjustable in time.get_clock_info() result. - -- Issue #3518: Remove references to non-existent BaseManager.from_address() - method. - -- Issue #13857: Added textwrap.indent() function (initial patch by Ezra - Berch) - -- Issue #2736: Added datetime.timestamp() method. - -- Issue #13854: Make multiprocessing properly handle non-integer - non-string argument to SystemExit. - -- Issue #12157: Make pool.map() empty iterables correctly. Initial - patch by mouad. - -- Issue #11823: disassembly now shows argument counts on calls with keyword args. - -- Issue #14711: os.stat_float_times() has been deprecated. - -- LZMAFile now accepts the modes "rb"/"wb"/"ab" as synonyms of "r"/"w"/"a". - -- The bz2 and lzma modules now each contain an open() function, allowing - compressed files to readily be opened in text mode as well as binary mode. - -- BZ2File.__init__() and LZMAFile.__init__() now accept a file object as their - first argument, rather than requiring a separate "fileobj" argument. - -- gzip.open() now accepts file objects as well as filenames. - -- Issue #14992: os.makedirs(path, exist_ok=True) would raise an OSError - when the path existed and had the S_ISGID mode bit set when it was - not explicitly asked for. This is no longer an exception as mkdir - cannot control if the OS sets that bit for it or not. - -- Issue #14989: Make the CGI enable option to http.server available via command - line. - -- Issue #14987: Add a missing import statement to inspect. - -- Issue #1079: email.header.decode_header now correctly parses all the examples - in RFC2047. There is a necessary visible behavior change: the leading and/or - trailing whitespace on ASCII parts is now preserved. - -- Issue #14969: Better handling of exception chaining in contextlib.ExitStack - -- Issue #14963: Convert contextlib.ExitStack.__exit__ to use an iterative - algorithm (Patch by Alon Horev) - -- Issue #14785: Add sys._debugmallocstats() to help debug low-level memory - allocation issues - -- Issue #14443: Ensure that .py files are byte-compiled with the correct Python - executable within bdist_rpm even on older versions of RPM - -C-API ------ - -- Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber. - -- Issue #15042: Add PyState_AddModule and PyState_RemoveModule. Add version - guard for Py_LIMITED_API additions. Patch by Robin Schreiber. - -- Issue #13783: Inadvertent additions to the public C API in the PEP 380 - implementation have either been removed or marked as private interfaces. - -Extension Modules ------------------ - -- Issue #15000: Support the "unique" x32 architecture in _posixsubprocess.c. - -IDLE ----- - -- Issue #9803: Don't close IDLE on saving if breakpoint is open. - Patch by Roger Serwy. - -- Issue #14962: Update text coloring in IDLE shell window after changing - options. Patch by Roger Serwy. - -Documentation -------------- - -- Issue #15176: Clarified behavior, documentation, and implementation - of os.listdir(). - -- Issue #14982: Document that pkgutil's iteration functions require the - non-standard iter_modules() method to be defined by an importer (something - the importlib importers do not define). - -- Issue #15081: Document PyState_FindModule. - Patch by Robin Schreiber. - -- Issue #14814: Added first draft of ipaddress module API reference - -Tests ------ - -- Issue #15187: Bugfix: remove temporary directories test_shutil was leaving - behind. - -- Issue #14769: test_capi now has SkipitemTest, which cleverly checks - for "parity" between PyArg_ParseTuple() and the Python/getargs.c static - function skipitem() for all possible "format units". - -- test_nntplib now tolerates being run from behind NNTP gateways that add - "X-Antivirus" headers to articles - -- Issue #15043: test_gdb is now skipped entirely if gdb security settings - block loading of the gdb hooks - -- Issue #14963: Add test cases for exception handling behaviour - in contextlib.ExitStack (Initial patch by Alon Horev) - -Build ------ - -- Issue #13590: Improve support for OS X Xcode 4: - * Try to avoid building Python or extension modules with problematic - llvm-gcc compiler. - * Since Xcode 4 removes ppc support, extension module builds now - check for ppc compiler support and automatically remove ppc and - ppc64 archs when not available. - * Since Xcode 4 no longer install SDKs in default locations, - extension module builds now revert to using installed headers - and libs if the SDK used to build the interpreter is not - available. - * Update ./configure to use better defaults for universal builds; - in particular, --enable-universalsdk=yes uses the Xcode default - SDK and --with-universal-archs now defaults to "intel" if ppc - not available. - -- Issue #14225: Fix Unicode support for curses (#12567) on OS X - -- Issue #14928: Fix importlib bootstrap issues by using a custom executable - (Modules/_freeze_importlib) to build Python/importlib.h. - - -What's New in Python 3.3.0 Alpha 4? -=================================== - -*Release date: 31-May-2012* - -Core and Builtins ------------------ - -- Issue #14835: Make plistlib output empty arrays & dicts like OS X. - Patch by Sidney San Martín. - -- Issue #14744: Use the new _PyUnicodeWriter internal API to speed up - str%args and str.format(args). - -- Issue #14930: Make memoryview objects weakrefable. - -- Issue #14775: Fix a potential quadratic dict build-up due to the garbage - collector repeatedly trying to untrack dicts. - -- Issue #14857: fix regression in references to PEP 3135 implicit __class__ - closure variable (Reopens issue #12370) - -- Issue #14712 (PEP 405): Virtual environments. Implemented by Vinay Sajip. - -- Issue #14660 (PEP 420): Namespace packages. Implemented by Eric Smith. - -- Issue #14494: Fix __future__.py and its documentation to note that - absolute imports are the default behavior in 3.0 instead of 2.7. - Patch by Sven Marnach. - -- Issue #9260: A finer-grained import lock. Most of the import sequence - now uses per-module locks rather than the global import lock, eliminating - well-known issues with threads and imports. - -- Issue #14624: UTF-16 decoding is now 3x to 4x faster on various inputs. - Patch by Serhiy Storchaka. - -- asdl_seq and asdl_int_seq are now Py_ssize_t sized. - -- Issue #14133 (PEP 415): Implement suppression of __context__ display with an - attribute on BaseException. This replaces the original mechanism of PEP 409. - -- Issue #14417: Mutating a dict during lookup now restarts the lookup instead - of raising a RuntimeError (undoes issue #14205). - -- Issue #14738: Speed-up UTF-8 decoding on non-ASCII data. Patch by Serhiy - Storchaka. - -- Issue #14700: Fix two broken and undefined-behaviour-inducing overflow checks - in old-style string formatting. - -Library -------- - -- Issue #14690: Use monotonic clock instead of system clock in the sched, - subprocess and trace modules. - -- Issue #14443: Tell rpmbuild to use the correct version of Python in - bdist_rpm. Initial patch by Ross Lagerwall. - -- Issue #12515: email now registers a defect if it gets to EOF while parsing - a MIME part without seeing the closing MIME boundary. - -- Issue #1672568: email now always decodes base64 payloads, adding padding and - ignoring non-base64-alphabet characters if needed, and registering defects - for any such problems. - -- Issue #14925: email now registers a defect when the parser decides that there - is a missing header/body separator line. MalformedHeaderDefect, which the - existing code would never actually generate, is deprecated. - -- Issue #10365: File open dialog now works instead of crashing even when - the parent window is closed before the dialog. Patch by Roger Serwy. - -- Issue #8739: Updated smtpd to support RFC 5321, and added support for the - RFC 1870 SIZE extension. - -- Issue #665194: Added a localtime function to email.utils to provide an - aware local datetime for use in setting Date headers. - -- Issue #12586: Added new provisional policies that implement convenient - unicode support for email headers. See What's New for details. - -- Issue #14731: Refactored email Policy framework to support full backward - compatibility with Python 3.2 by default yet allow for the introduction of - new features through new policies. Note that Policy.must_be_7bit is renamed - to cte_type. - -- Issue #14876: Use user-selected font for highlight configuration. - -- Issue #14920: Fix the help(urllib.parse) failure on locale C on terminals. - Have ascii characters in help. - -- Issue #14548: Make multiprocessing finalizers check pid before - running to cope with possibility of gc running just after fork. - -- Issue #14036: Add an additional check to validate that port in urlparse does - not go in illegal range and returns None. - -- Issue #14862: Add missing names to os.__all__ - -- Issue #14875: Use float('inf') instead of float('1e66666') in the json module. - -- Issue #13585: Added contextlib.ExitStack - -- PEP 3144, Issue #14814: Added the ipaddress module - -- Issue #14426: Correct the Date format in Expires attribute of Set-Cookie - Header in Cookie.py. - -- Issue #14588: The types module now provide new_class() and prepare_class() - functions to support PEP 3115 compliant dynamic class creation. Patch by - Daniel Urban and Nick Coghlan. - -- Issue #13152: Allow to specify a custom tabsize for expanding tabs in - textwrap. Patch by John Feuerstein. - -- Issue #14721: Send the correct 'Content-length: 0' header when the body is an - empty string ''. Initial Patch contributed by Arve Knudsen. - -- Issue #14072: Fix parsing of 'tel' URIs in urlparse by making the check for - ports stricter. - -- Issue #9374: Generic parsing of query and fragment portions of url for any - scheme. Supported both by RFC3986 and RFC2396. - -- Issue #14798: Fix the functions in pyclbr to raise an ImportError - when the first part of a dotted name is not a package. Patch by - Xavier de Gaye. - -- Issue #12098: multiprocessing on Windows now starts child processes - using the same sys.flags as the current process. Initial patch by - Sergey Mezentsev. - -- Issue #13031: Small speed-up for tarfile when unzipping tarfiles. - Patch by Justin Peel. - -- Issue #14780: urllib.request.urlopen() now has a ``cadefault`` argument - to use the default certificate store. Initial patch by James Oakley. - -- Issue #14829: Fix bisect and range() indexing with large indices - (>= 2 ** 32) under 64-bit Windows. - -- Issue #14732: The _csv module now uses PEP 3121 module initialization. - Patch by Robin Schreiber. - -- Issue #14809: Add HTTP status codes introduced by RFC 6585 to http.server - and http.client. Patch by EungJun Yi. - -- Issue #14777: tkinter may return undecoded UTF-8 bytes as a string when - accessing the Tk clipboard. Modify clipboad_get() to first request type - UTF8_STRING when no specific type is requested in an X11 windowing - environment, falling back to the current default type STRING if that fails. - Original patch by Thomas Kluyver. - -- Issue #14773: Fix os.fwalk() failing on dangling symlinks. - -- Issue #12541: Be lenient with quotes around Realm field of HTTP Basic - Authentation in urllib2. - -- Issue #14807: move undocumented tarfile.filemode() to stat.filemode() and add - doc entry. Add tarfile.filemode alias with deprecation warning. - -- Issue #13815: TarFile.extractfile() now returns io.BufferedReader objects. - -- Issue #14532: Add a secure_compare() helper to the hmac module, to mitigate - timing attacks. Patch by Jon Oberheide. - -- Add importlib.util.resolve_name(). - -- Issue #14366: Support lzma compression in zip files. - Patch by Serhiy Storchaka. - -- Issue #13959: Introduce importlib.find_loader() and document - imp.find_module/load_module as deprecated. - -- Issue #14082: shutil.copy2() now copies extended attributes, if possible. - Patch by Hynek Schlawack. - -- Issue #13959: Make importlib.abc.FileLoader.load_module()/get_filename() and - importlib.machinery.ExtensionFileLoader.load_module() have their single - argument be optional. Allows for the replacement (and thus deprecation) of - imp.load_source()/load_package()/load_compiled(). - -- Issue #13959: imp.get_suffixes() has been deprecated in favour of the new - attributes on importlib.machinery: SOURCE_SUFFIXES, DEBUG_BYTECODE_SUFFIXES, - OPTIMIZED_BYTECODE_SUFFIXES, BYTECODE_SUFFIXES, and EXTENSION_SUFFIXES. This - led to an indirect deprecation of inspect.getmoduleinfo(). - -- Issue #14662: Prevent shutil failures on OS X when destination does not - support chflag operations. Patch by Hynek Schlawack. - -- Issue #14157: Fix time.strptime failing without a year on February 29th. - Patch by Hynek Schlawack. - -- Issue #14753: Make multiprocessing's handling of negative timeouts - the same as it was in Python 3.2. - -- Issue #14583: Fix importlib bug when a package's __init__.py would first - import one of its modules then raise an error. - -- Issue #14741: Fix missing support for Ellipsis ('...') in parser module. - -- Issue #14697: Fix missing support for set displays and set comprehensions in - parser module. - -- Issue #14701: Fix missing support for 'raise ... from' in parser module. - -- Add support for timeouts to the acquire() methods of - multiprocessing's lock/semaphore/condition proxies. - -- Issue #13989: Add support for text mode to gzip.open(). - -- Issue #14127: The os.stat() result object now provides three additional - fields: st_ctime_ns, st_mtime_ns, and st_atime_ns, providing those times as an - integer with nanosecond resolution. The functions os.utime(), os.lutimes(), - and os.futimes() now accept a new parameter, ns, which accepts mtime and atime - as integers with nanosecond resolution. - -- Issue #14127 and #10148: shutil.copystat now preserves exact mtime and atime - on filesystems providing nanosecond resolution. - -IDLE ----- - -- Issue #14958: Change IDLE systax highlighting to recognize all string and - byte literals supported in Python 3.3. - -- Issue #10997: Prevent a duplicate entry in IDLE's "Recent Files" menu. - -- Issue #14929: Stop IDLE 3.x from closing on Unicode decode errors when - grepping. Patch by Roger Serwy. - -- Issue #12510: Attempting to get invalid tooltip no longer closes IDLE. - Other tooltipss have been corrected or improved and the number of tests - has been tripled. Original patch by Roger Serwy. - -Tools/Demos ------------ - -- Issue #14695: Bring Tools/parser/unparse.py support up to date with - the Python 3.3 Grammar. - -Build ------ - -- Issue #14472: Update .gitignore. Patch by Matej Cepl. - -- Upgrade Windows library versions: bzip 1.0.6, OpenSSL 1.0.1c. - -- Issue #14693: Under non-Windows platforms, hashlib's fallback modules are - always compiled, even if OpenSSL is present at build time. - -- Issue #13210: Windows build now uses VS2010, ported from VS2008. - -C-API ------ - -- Issue #14705: The PyArg_Parse() family of functions now support the 'p' format - unit, which accepts a "boolean predicate" argument. It converts any Python - value into an integer--0 if it is "false", and 1 otherwise. - -Documentation -------------- - -- Issue #14863: Update the documentation of os.fdopen() to reflect the - fact that it's only a thin wrapper around open() anymore. - -- Issue #14588: The language reference now accurately documents the Python 3 - class definition process. Patch by Nick Coghlan. - -- Issue #14943: Correct a default argument value for winreg.OpenKey - and correctly list the argument names in the function's explanation. - - -What's New in Python 3.3.0 Alpha 3? -=================================== - -*Release date: 01-May-2012* - -Core and Builtins ------------------ - -- Issue #14699: Fix calling the classmethod descriptor directly. - -- Issue #14433: Prevent msvcrt crash in interactive prompt when stdin is closed. - -- Issue #14521: Make result of float('nan') and float('-nan') more consistent - across platforms. - -- Issue #14646: __import__() sets __loader__ if the loader did not. - -- Issue #14605: No longer have implicit entries in sys.meta_path. If - sys.meta_path is found to be empty, raise ImportWarning. - -- Issue #14605: No longer have implicit entries in sys.path_hooks. If - sys.path_hooks is found to be empty, a warning will be raised. None is now - inserted into sys.path_importer_cache if no finder was discovered. This also - means imp.NullImporter is no longer implicitly used. - -- Issue #13903: Implement PEP 412. Individual dictionary instances can now share - their keys with other dictionaries. Classes take advantage of this to share - their instance dictionary keys for improved memory and performance. - -- Issue #11603 (again): Setting __repr__ to __str__ now raises a RuntimeError - when repr() or str() is called on such an object. - -- Issue #14658: Fix binding a special method to a builtin implementation of a - special method with a different name. - -- Issue #14630: Fix a memory access bug for instances of a subclass of int - with value 0. - -- Issue #14339: Speed improvements to bin, oct and hex functions. Patch by - Serhiy Storchaka. - -- Issue #14385: It is now possible to use a custom type for the __builtins__ - namespace, instead of a dict. It can be used for sandboxing for example. - Raise also a NameError instead of ImportError if __build_class__ name if not - found in __builtins__. - -- Issue #12599: Be more strict in accepting None compared to a false-like - object for importlib.util.module_for_loader and - importlib.machinery.PathFinder. - -- Issue #14612: Fix jumping around with blocks by setting f_lineno. - -- Issue #14592: Attempting a relative import w/o __package__ or __name__ set in - globals raises a KeyError. - -- Issue #14607: Fix keyword-only arguments which started with ``__``. - -- Issue #10854: The ImportError raised when an extension module on Windows - fails to import now uses the new path and name attributes from - Issue #1559549. - -- Issue #13889: Check and (if necessary) set FPU control word before calling - any of the dtoa.c string <-> float conversion functions, on MSVC builds of - Python. This fixes issues when embedding Python in a Delphi app. - -- __import__() now matches PEP 328 and documentation by defaulting 'index' to 0 - instead of -1 and removing support for negative values. - -- Issue #2377: Make importlib the implementation of __import__(). - -- Issue #1559549: ImportError now has 'name' and 'path' attributes that are set - using keyword arguments to its constructor. They are currently not set by - import as they are meant for use by importlib. - -- Issue #14474: Save and restore exception state in thread.start_new_thread() - while writing error message if the thread leaves a unhandled exception. - -- Issue #13019: Fix potential reference leaks in bytearray.extend(). Patch - by Suman Saha. - -Library -------- - -- Issue #14768: os.path.expanduser('~/a') doesn't works correctly when HOME is '/'. - -- Issue #14371: Support bzip2 in zipfile module. Patch by Serhiy Storchaka. - -- Issue #13183: Fix pdb skipping frames after hitting a breakpoint and running - step. Patch by Xavier de Gaye. - -- Issue #14696: Fix parser module to understand 'nonlocal' declarations. - -- Issue #10941: Fix imaplib.Internaldate2tuple to produce correct result near - the DST transition. Patch by Joe Peterson. - -- Issue #9154: Fix parser module to understand function annotations. - -- Issue #6085: In http.server.py SimpleHTTPServer.address_string returns the - client ip address instead client hostname. Patch by Charles-François Natali. - -- Issue #14309: Deprecate time.clock(), use time.perf_counter() or - time.process_time() instead. - -- Issue #14428: Implement the PEP 418. Add time.get_clock_info(), - time.perf_counter() and time.process_time() functions, and rename - time.steady() to time.monotonic(). - -- Issue #14646: importlib.util.module_for_loader() now sets __loader__ and - __package__ (when possible). - -- Issue #14664: It is now possible to use @unittest.skip{If,Unless} on a - test class that doesn't inherit from TestCase (i.e. a mixin). - -- Issue #4892: multiprocessing Connections can now be transferred over - multiprocessing Connections. Patch by Richard Oudkerk (sbt). - -- Issue #14160: TarFile.extractfile() failed to resolve symbolic links when - the links were not located in an archive subdirectory. - -- Issue #14638: pydoc now treats non-string __name__ values as if they - were missing, instead of raising an error. - -- Issue #13684: Fix httplib tunnel issue of infinite loops for certain sites - which send EOF without trailing \r\n. - -- Issue #14605: Add importlib.abc.FileLoader, importlib.machinery.(FileFinder, - SourceFileLoader, SourcelessFileLoader, ExtensionFileLoader). - -- Issue #13959: imp.cache_from_source()/source_from_cache() now follow - os.path.join()/split() semantics for path manipulation instead of its prior, - custom semantics of caring the right-most path separator forward in path - joining. - -- Issue #2193: Allow ":" character in Cookie NAME values. - -- Issue #14629: tokenizer.detect_encoding will specify the filename in the - SyntaxError exception if found at readline.__self__.name. - -- Issue #14629: Raise SyntaxError in tokenizer.detect_encoding if the - first two lines have non-UTF-8 characters without an encoding declaration. - -- Issue #14308: Fix an exception when a "dummy" thread is in the threading - module's active list after a fork(). - -- Issue #11750: The Windows API functions scattered in the _subprocess and - _multiprocessing.win32 modules now live in a single module "_winapi". - Patch by sbt. - -- Issue #14087: multiprocessing: add Condition.wait_for(). Patch by sbt. - -- Issue #14538: HTMLParser can now parse correctly start tags that contain - a bare '/'. - -- Issue #14452: SysLogHandler no longer inserts a UTF-8 BOM into the message. - -- Issue #14386: Expose the dict_proxy internal type as types.MappingProxyType. - -- Issue #13959: Make imp.reload() always use a module's __loader__ to perform - the reload. - -- Issue #13959: Add imp.py and rename the built-in module to _imp, allowing for - re-implementing parts of the module in pure Python. - -- Issue #13496: Fix potential overflow in bisect.bisect algorithm when applied - to a collection of size > sys.maxsize / 2. - -- Have importlib take advantage of ImportError's new 'name' and 'path' - attributes. - -- Issue #14399: zipfile now recognizes that the archive has been modified even - if only the comment is changed. In addition, the TypeError that results from - trying to set a non-binary value as a comment is now raised at the time - the comment is set rather than at the time the zipfile is written. - -- trace.CoverageResults.is_ignored_filename() now ignores any name that starts - with "<" and ends with ">" instead of special-casing "" and - ". - -- Issue #14295: Add unittest.mock - -- Issue #7652: Add --with-system-libmpdec option to configure for linking - the _decimal module against an installed libmpdec. - -- Issue #14380: MIMEText now defaults to utf-8 when passed non-ASCII unicode - with no charset specified. - -- Issue #10340: asyncore - properly handle EINVAL in dispatcher constructor on - OSX; avoid to call handle_connect in case of a disconnected socket which - was not meant to connect. - -- Issue #14204: The ssl module now has support for the Next Protocol - Negotiation extension, if available in the underlying OpenSSL library. - Patch by Colin Marc. - -- Issue #3035: Unused functions from tkinter are marked as pending deprecated. - -- Issue #12757: Fix the skipping of doctests when python is run with -OO so - that it works in unittest's verbose mode as well as non-verbose mode. - -- Issue #7652: Integrate the decimal floating point libmpdec library to speed - up the decimal module. Performance gains of the new C implementation are - between 10x and 100x, depending on the application. - -- Issue #14269: SMTPD now conforms to the RFC and requires a HELO command - before MAIL, RCPT, or DATA. - -- Issue #13694: asynchronous connect in asyncore.dispatcher does not set addr - attribute. - -- Issue #14344: fixed the repr of email.policy objects. - -- Issue #11686: Added missing entries to email package __all__ lists - (mostly the new Bytes classes). - -- Issue #14335: multiprocessing's custom Pickler subclass now inherits from - the C-accelerated implementation. Patch by sbt. - -- Issue #10484: Fix the CGIHTTPServer's PATH_INFO handling problem. - -- Issue #11199: Fix the with urllib which hangs on particular ftp urls. - -- Improve the memory utilization and speed of functools.lru_cache. - -- Issue #14222: Use the new time.steady() function instead of time.time() for - timeout in queue and threading modules to not be affected of system time - update. - -- Issue #13248: Remove lib2to3.pytree.Base.get_prefix/set_prefix. - -- Issue #14234: CVE-2012-0876: Randomize hashes of xml attributes in the hash - table internal to the pyexpat module's copy of the expat library to avoid a - denial of service due to hash collisions. Patch by David Malcolm with some - modifications by the expat project. - -- Issue #12818: format address no longer needlessly \ escapes ()s in names when - the name ends up being quoted. - -- Issue #14062: BytesGenerator now correctly folds Header objects, - including using linesep when folding. - -- Issue #13839: When invoked on the command-line, the pstats module now - accepts several filenames of profile stat files and merges them all. - Patch by Matt Joiner. - -- Issue #14291: Email now defaults to utf-8 for non-ASCII unicode headers - instead of raising an error. This fixes a regression relative to 2.7. - -- Issue #989712: Support using Tk without a mainloop. - -- Issue #3835: Refuse to use unthreaded Tcl in threaded Python. - -- Issue #2843: Add new Tk API to Tkinter. - -- Issue #14184: Increase the default stack size for secondary threads on - Mac OS X to avoid interpreter crashes when using threads on 10.7. - -- Issue #14180: datetime.date.fromtimestamp(), - datetime.datetime.fromtimestamp() and datetime.datetime.utcfromtimestamp() - now raise an OSError instead of ValueError if localtime() or gmtime() failed. - -- Issue #14180: time.ctime(), gmtime(), time.localtime(), - datetime.date.fromtimestamp(), datetime.datetime.fromtimestamp() and - datetime.datetime.utcfromtimestamp() now raises an OverflowError, instead of - a ValueError, if the timestamp does not fit in time_t. - -- Issue #14180: datetime.datetime.fromtimestamp() and - datetime.datetime.utcfromtimestamp() now round microseconds towards zero - instead of rounding to nearest with ties going away from zero. - -- Issue #10543: Fix unittest test discovery with Jython bytecode files. - -- Issue #1178863: Separate initialisation from setting when initializing - Tkinter.Variables; harmonize exceptions to ValueError; only delete variables - that have not been deleted; assert that variable names are strings. - -- Issue #14104: Implement time.monotonic() on Mac OS X, patch written by - Nicholas Riley. - -- Issue #13394: the aifc module now uses warnings.warn() to signal warnings. - -- Issue #14252: Fix subprocess.Popen.terminate() to not raise an error under - Windows when the child process has already exited. - -- Issue #14223: curses.addch() is no more limited to the range 0-255 when the - Python curses is not linked to libncursesw. It was a regression introduced - in Python 3.3a1. - -- Issue #14168: Check for presence of Element._attrs in minidom before - accessing it. - -- Issue #12328: Fix multiprocessing's use of overlapped I/O on Windows. - Also, add a multiprocessing.connection.wait(rlist, timeout=None) function - for polling multiple objects at once. Patch by sbt. - -- Issue #14007: Accept incomplete TreeBuilder objects (missing start, end, - data or close method) for the Python implementation as well. - Drop the no-op TreeBuilder().xml() method from the C implementation. - -- Issue #14210: pdb now has tab-completion not only for command names, but - also for their arguments, wherever possible. - -- Issue #14310: Sockets can now be with other processes on Windows using - the api socket.socket.share() and socket.fromshare(). - -- Issue #10576: The gc module now has a 'callbacks' member that will get - called when garbage collection takes place. - -Build ------ - -- Issue #14557: Fix extensions build on HP-UX. Patch by Adi Roiban. - -- Issue #14387: Do not include accu.h from Python.h. - -- Issue #14359: Only use O_CLOEXEC in _posixmodule.c if it is defined. - Based on patch from Hervé Coatanhay. - -- Issue #14321: Do not run pgen during the build if files are up to date. - -Documentation -------------- - -- Issue #14034: added the argparse tutorial. - -- Issue #14324: Fix configure tests for cross builds. - -- Issue #14327: Call AC_CANONICAL_HOST in configure.ac and check in - config.{guess,sub}. Don't use uname calls for cross builds. - -Extension Modules ------------------ - -- Issue #9041: An issue in ctypes.c_longdouble, ctypes.c_double, and - ctypes.c_float that caused an incorrect exception to be returned in the - case of overflow has been fixed. - -- Issue #14212: The re module didn't retain a reference to buffers it was - scanning, resulting in segfaults. - -- Issue #14259: The finditer() method of re objects did not take any - keyword arguments, contrary to the documentation. - -- Issue #10142: Support for SEEK_HOLE/SEEK_DATA (for example, under ZFS). - -Tests ------ - -- Issue #14442: Add missing errno import in test_smtplib. - -- Issue #8315: (partial fix) python -m unittest test.test_email now works. - - -What's New in Python 3.3.0 Alpha 1? -=================================== - -*Release date: 05-Mar-2012* - -Core and Builtins ------------------ - -- Issue #14172: Fix reference leak when marshalling a buffer-like object - (other than a bytes object). - -- Issue #13521: dict.setdefault() now does only one lookup for the given key, - making it "atomic" for many purposes. Patch by Filip Gruszczyński. - -- PEP 409, Issue #6210: "raise X from None" is now supported as a means of - suppressing the display of the chained exception context. The chained - context still remains available as the __context__ attribute. - -- Issue #10181: New memoryview implementation fixes multiple ownership - and lifetime issues of dynamically allocated Py_buffer members (#9990) - as well as crashes (#8305, #7433). Many new features have been added - (See whatsnew/3.3), and the documentation has been updated extensively. - The ndarray test object from _testbuffer.c implements all aspects of - PEP-3118, so further development towards the complete implementation - of the PEP can proceed in a test-driven manner. - - Thanks to Nick Coghlan, Antoine Pitrou and Pauli Virtanen for review - and many ideas. - -- Issue #12834: Fix incorrect results of memoryview.tobytes() for - non-contiguous arrays. - -- Issue #5231: Introduce memoryview.cast() method that allows changing - format and shape without making a copy of the underlying memory. - -- Issue #14084: Fix a file descriptor leak when importing a module with a - bad encoding. - -- Upgrade Unicode data to Unicode 6.1. - -- Issue #14040: Remove rarely used file name suffixes for C extensions - (under POSIX mainly). - -- Issue #14051: Allow arbitrary attributes to be set of classmethod and - staticmethod. - -- Issue #13703: oCERT-2011-003: Randomize hashes of str and bytes to protect - against denial of service attacks due to hash collisions within the dict and - set types. Patch by David Malcolm, based on work by Victor Stinner. - -- Issue #13020: Fix a reference leak when allocating a structsequence object - fails. Patch by Suman Saha. - -- Issue #13908: Ready types returned from PyType_FromSpec. - -- Issue #11235: Fix OverflowError when trying to import a source file whose - modification time doesn't fit in a 32-bit timestamp. - -- Issue #12705: A SyntaxError exception is now raised when attempting to - compile multiple statements as a single interactive statement. - -- Fix the builtin module initialization code to store the init function for - future reinitialization. - -- Issue #8052: The posix subprocess module would take a long time closing - all possible file descriptors in the child process rather than just open - file descriptors. It now closes only the open fds if possible for the - default close_fds=True behavior. - -- Issue #13629: Renumber the tokens in token.h so that they match the indexes - into _PyParser_TokenNames. - -- Issue #13752: Add a casefold() method to str. - -- Issue #13761: Add a "flush" keyword argument to the print() function, - used to ensure flushing the output stream. - -- Issue #13645: pyc files now contain the size of the corresponding source - code, to avoid timestamp collisions (especially on filesystems with a low - timestamp resolution) when checking for freshness of the bytecode. - -- PEP 380, Issue #11682: Add "yield from " to support easy delegation to - subgenerators (initial patch by Greg Ewing, integration into 3.3 by - Renaud Blanch, Ryan Kelly, Zbigniew Jędrzejewski-Szmek and Nick Coghlan) - -- Issue #13748: Raw bytes literals can now be written with the ``rb`` prefix - as well as ``br``. - -- Issue #12736: Use full unicode case mappings for upper, lower, and title case. - -- Issue #12760: Add a create mode to open(). Patch by David Townshend. - -- Issue #13738: Simplify implementation of bytes.lower() and bytes.upper(). - -- Issue #13577: Built-in methods and functions now have a __qualname__. - Patch by sbt. - -- Issue #6695: Full garbage collection runs now clear the freelist of set - objects. Initial patch by Matthias Troffaes. - -- Fix OSError.__init__ and OSError.__new__ so that each of them can be - overriden and take additional arguments (followup to issue #12555). - -- Fix the fix for issue #12149: it was incorrect, although it had the side - effect of appearing to resolve the issue. Thanks to Mark Shannon for - noticing. - -- Issue #13505: Pickle bytes objects in a way that is compatible with - Python 2 when using protocols <= 2. - -- Issue #11147: Fix an unused argument in _Py_ANNOTATE_MEMORY_ORDER. (Fix - given by Campbell Barton). - -- Issue #13503: Use a more efficient reduction format for bytearrays with - pickle protocol >= 3. The old reduction format is kept with older protocols - in order to allow unpickling under Python 2. Patch by Irmen de Jong. - -- Issue #7111: Python can now be run without a stdin, stdout or stderr - stream. It was already the case with Python 2. However, the corresponding - sys module entries are now set to None (instead of an unusable file object). - -- Issue #11849: Ensure that free()d memory arenas are really released - on POSIX systems supporting anonymous memory mappings. Patch by - Charles-François Natali. - -- PEP 3155 / issue #13448: Qualified name for classes and functions. - -- Issue #13436: Fix a bogus error message when an AST object was passed - an invalid integer value. - -- Issue #13411: memoryview objects are now hashable when the underlying - object is hashable. - -- Issue #13338: Handle all enumerations in _Py_ANNOTATE_MEMORY_ORDER - to allow compiling extension modules with -Wswitch-enum on gcc. - Initial patch by Floris Bruynooghe. - -- Issue #10227: Add an allocation cache for a single slice object. Patch by - Stefan Behnel. - -- Issue #13393: BufferedReader.read1() now asks the full requested size to - the raw stream instead of limiting itself to the buffer size. - -- Issue #13392: Writing a pyc file should now be atomic under Windows as well. - -- Issue #13333: The UTF-7 decoder now accepts lone surrogates (the encoder - already accepts them). - -- Issue #13389: Full garbage collection passes now clear the freelists for - list and dict objects. They already cleared other freelists in the - interpreter. - -- Issue #13327: Remove the need for an explicit None as the second argument - to os.utime, os.lutimes, os.futimes, os.futimens, os.futimesat, in - order to update to the current time. Also added keyword argument - handling to os.utimensat in order to remove the need for explicit None. - -- Issue #13350: Simplify some C code by replacing most usages of - PyUnicode_Format by PyUnicode_FromFormat. - -- Issue #13342: input() used to ignore sys.stdin's and sys.stdout's unicode - error handler in interactive mode (when calling into PyOS_Readline()). - -- Issue #9896: Add start, stop, and step attributes to range objects. - -- Issue #13343: Fix a SystemError when a lambda expression uses a global - variable in the default value of a keyword-only argument: ``lambda *, - arg=GLOBAL_NAME: None`` - -- Issue #12797: Added custom opener parameter to builtin open() and - FileIO.open(). - -- Issue #10519: Avoid unnecessary recursive function calls in - setobject.c. - -- Issue #10363: Deallocate global locks in Py_Finalize(). - -- Issue #13018: Fix reference leaks in error paths in dictobject.c. - Patch by Suman Saha. - -- Issue #13201: Define '==' and '!=' to compare range objects based on - the sequence of values they define (instead of comparing based on - object identity). - -- Issue #1294232: In a few cases involving metaclass inheritance, the - interpreter would sometimes invoke the wrong metaclass when building a new - class object. These cases now behave correctly. Patch by Daniel Urban. - -- Issue #12753: Add support for Unicode name aliases and named sequences. - Both ``unicodedata.lookup()`` and '\N{...}' now resolve aliases, - and ``unicodedata.lookup()`` resolves named sequences too. - -- Issue #12170: The count(), find(), rfind(), index() and rindex() methods - of bytes and bytearray objects now accept an integer between 0 and 255 - as their first argument. Patch by Petri Lehtinen. - -- Issue #12604: VTRACE macro expanded to no-op in _sre.c to avoid compiler - warnings. Patch by Josh Triplett and Petri Lehtinen. - -- Issue #12281: Rewrite the MBCS codec to handle correctly replace and ignore - error handlers on all Windows versions. The MBCS codec is now supporting all - error handlers, instead of only replace to encode and ignore to decode. - -- Issue #13188: When called without an explicit traceback argument, - generator.throw() now gets the traceback from the passed exception's - ``__traceback__`` attribute. Patch by Petri Lehtinen. - -- Issue #13146: Writing a pyc file is now atomic under POSIX. - -- Issue #7833: Extension modules built using distutils on Windows will no - longer include a "manifest" to prevent them failing at import time in some - embedded situations. - -- PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy. - -- Add internal API for static strings (_Py_identifier et al.). - -- Issue #13063: the Windows error ERROR_NO_DATA (numbered 232 and described - as "The pipe is being closed") is now mapped to POSIX errno EPIPE - (previously EINVAL). - -- Issue #12911: Fix memory consumption when calculating the repr() of huge - tuples or lists. - -- PEP 393: flexible string representation. Thanks to Torsten Becker for the - initial implementation, and Victor Stinner for various bug fixes. - -- Issue #14081: The 'sep' and 'maxsplit' parameter to str.split, bytes.split, - and bytearray.split may now be passed as keyword arguments. - -- Issue #13012: The 'keepends' parameter to str.splitlines may now be passed - as a keyword argument: "my_string.splitlines(keepends=True)". The same - change also applies to bytes.splitlines and bytearray.splitlines. - -- Issue #7732: Don't open a directory as a file anymore while importing a - module. Ignore the direcotry if its name matchs the module name (e.g. - "__init__.py") and raise a ImportError instead. - -- Issue #13021: Missing decref on an error path. Thanks to Suman Saha for - finding the bug and providing a patch. - -- Issue #12973: Fix overflow checks that relied on undefined behaviour in - list_repeat (listobject.c) and islice_next (itertoolsmodule.c). These bugs - caused test failures with recent versions of Clang. - -- Issue #12904: os.utime, os.futimes, os.lutimes, and os.futimesat now write - atime and mtime with nanosecond precision on modern POSIX platforms. - -- Issue #12802: the Windows error ERROR_DIRECTORY (numbered 267) is now - mapped to POSIX errno ENOTDIR (previously EINVAL). - -- Issue #9200: The str.is* methods now work with strings that contain non-BMP - characters even in narrow Unicode builds. - -- Issue #12791: Break reference cycles early when a generator exits with - an exception. - -- Issue #12773: Make __doc__ mutable on user-defined classes. - -- Issue #12766: Raise a ValueError when creating a class with a class variable - that conflicts with a name in __slots__. - -- Issue #12266: Fix str.capitalize() to correctly uppercase/lowercase - titlecased and cased non-letter characters. - -- Issue #12732: In narrow unicode builds, allow Unicode identifiers which fall - outside the BMP. - -- Issue #12575: Validate user-generated AST before it is compiled. - -- Make type(None), type(Ellipsis), and type(NotImplemented) callable. They - return the respective singleton instances. - -- Forbid summing bytes with sum(). - -- Verify the types of AST strings and identifiers provided by the user before - compiling them. - -- Issue #12647: The None object now has a __bool__() method that returns False. - Formerly, bool(None) returned False only because of special case logic - in PyObject_IsTrue(). - -- Issue #12579: str.format_map() now raises a ValueError if used on a - format string that contains positional fields. Initial patch by - Julian Berman. - -- Issue #10271: Allow warnings.showwarning() be any callable. - -- Issue #11627: Fix segfault when __new__ on a exception returns a - non-exception class. - -- Issue #12149: Update the method cache after a type's dictionary gets - cleared by the garbage collector. This fixes a segfault when an instance - and its type get caught in a reference cycle, and the instance's - deallocator calls one of the methods on the type (e.g. when subclassing - IOBase). Diagnosis and patch by Davide Rizzo. - -- Issue #9611, Issue #9015: FileIO.read() clamps the length to INT_MAX on Windows. - -- Issue #9642: Uniformize the tests on the availability of the mbcs codec, add - a new HAVE_MBCS define. - -- Issue #9642: Fix filesystem encoding initialization: use the ANSI code page - on Windows if the mbcs codec is not available, and fail with a fatal error if - we cannot get the locale encoding (if nl_langinfo(CODESET) is not available) - instead of using UTF-8. - -- When a generator yields, do not retain the caller's exception state on the - generator. - -- Issue #12475: Prevent generators from leaking their exception state into the - caller's frame as they return for the last time. - -- Issue #12291: You can now load multiple marshalled objects from a stream, - with other data interleaved between marshalled objects. - -- Issue #12356: When required positional or keyword-only arguments are not - given, produce a informative error message which includes the name(s) of the - missing arguments. - -- Issue #12370: Fix super with no arguments when __class__ is overriden in the - class body. - -- Issue #12084: os.stat on Windows now works properly with relative symbolic - links when called from any directory. - -- Loosen type restrictions on the __dir__ method. __dir__ can now return any - sequence, which will be converted to a list and sorted by dir(). - -- Issue #12265: Make error messages produced by passing an invalid set of - arguments to a function more informative. - -- Issue #12225: Still allow Python to build if Python is not in its hg repo or - mercurial is not installed. - -- Issue #1195: my_fgets() now always clears errors before calling fgets(). Fix - the following case: sys.stdin.read() stopped with CTRL+d (end of file), - raw_input() interrupted by CTRL+c. - -- Issue #12216: Allow unexpected EOF errors to happen on any line of the file. - -- Issue #12199: The TryExcept and TryFinally and AST nodes have been unified - into a Try node. - -- Issue #9670: Increase the default stack size for secondary threads on - Mac OS X and FreeBSD to reduce the chances of a crash instead of a - "maximum recursion depth" RuntimeError exception. - (patch by Ronald Oussoren) - -- Issue #12106: The use of the multiple-with shorthand syntax is now reflected - in the AST. - -- Issue #12190: Try to use the same filename object when compiling unmarshalling - a code objects in the same file. - -- Issue #12166: Move implementations of dir() specialized for various types into - the __dir__() methods of those types. - -- Issue #5715: In socketserver, close the server socket in the child process. - -- Correct lookup of __dir__ on objects. Among other things, this causes errors - besides AttributeError found on lookup to be propagated. - -- Issue #12060: Use sig_atomic_t type and volatile keyword in the signal - module. Patch written by Charles-François Natali. - -- Issue #1746656: Added the if_nameindex, if_indextoname, if_nametoindex - methods to the socket module. - -- Issue #12044: Fixed subprocess.Popen when used as a context manager to - wait for the process to end when exiting the context to avoid unintentionally - leaving zombie processes around. - -- Issue #1195: Fix input() if it is interrupted by CTRL+d and then CTRL+c, - clear the end-of-file indicator after CTRL+d. - -- Issue #1856: Avoid crashes and lockups when daemon threads run while the - interpreter is shutting down; instead, these threads are now killed when - they try to take the GIL. - -- Issue #9756: When calling a method descriptor or a slot wrapper descriptor, - the check of the object type doesn't read the __class__ attribute anymore. - Fix a crash if a class override its __class__ attribute (e.g. a proxy of the - str type). Patch written by Andreas Stührk. - -- Issue #10517: After fork(), reinitialize the TLS used by the PyGILState_* - APIs, to avoid a crash with the pthread implementation in RHEL 5. Patch - by Charles-François Natali. - -- Issue #10914: Initialize correctly the filesystem codec when creating a new - subinterpreter to fix a bootstrap issue with codecs implemented in Python, as - the ISO-8859-15 codec. - -- Issue #11918: OS/2 and VMS are no more supported because of the lack of - maintainer. - -- Issue #6780: fix starts/endswith error message to mention that tuples are - accepted too. - -- Issue #5057: fix a bug in the peepholer that led to non-portable pyc files - between narrow and wide builds while optimizing BINARY_SUBSCR on non-BMP - chars (e.g. "\U00012345"[0]). - -- Issue #11845: Fix typo in rangeobject.c that caused a crash in - compute_slice_indices. Patch by Daniel Urban. - -- Issue #5673: Added a `timeout` keyword argument to subprocess.Popen.wait, - subprocess.Popen.communicated, subprocess.call, subprocess.check_call, and - subprocess.check_output. If the blocking operation takes more than `timeout` - seconds, the `subprocess.TimeoutExpired` exception is raised. - -- Issue #11650: PyOS_StdioReadline() retries fgets() if it was interrupted - (EINTR), for example if the program is stopped with CTRL+z on Mac OS X. Patch - written by Charles-Francois Natali. - -- Issue #9319: Include the filename in "Non-UTF8 code ..." syntax error. - -- Issue #10785: Store the filename as Unicode in the Python parser. - -- Issue #11619: _PyImport_LoadDynamicModule() doesn't encode the path to bytes - on Windows. - -- Issue #10998: Remove mentions of -Q, sys.flags.division_warning and - Py_DivisionWarningFlag left over from Python 2. - -- Issue #11244: Remove an unnecessary peepholer check that was preventing - negative zeros from being constant-folded properly. - -- Issue #11395: io.FileIO().write() clamps the data length to 32,767 bytes on - Windows if the file is a TTY to workaround a Windows bug. The Windows console - returns an error (12: not enough space error) on writing into stdout if - stdout mode is binary and the length is greater than 66,000 bytes (or less, - depending on heap usage). - -- Issue #11320: fix bogus memory management in Modules/getpath.c, leading to - a possible crash when calling Py_SetPath(). - -- Issue #11432: A bug was introduced in subprocess.Popen on posix systems with - 3.2.0 where the stdout or stderr file descriptor being the same as the stdin - file descriptor would raise an exception. webbrowser.open would fail. fixed. - -- Issue #9856: Change object.__format__ with a non-empty format string - to be a DeprecationWarning. In 3.2 it was a PendingDeprecationWarning. - In 3.4 it will be a TypeError. - -- Issue #11244: The peephole optimizer is now able to constant-fold - arbitrarily complex expressions. This also fixes a 3.2 regression where - operations involving negative numbers were not constant-folded. - -- Issue #11450: Don't truncate hg version info in Py_GetBuildInfo() when - there are many tags (e.g. when using mq). Patch by Nadeem Vawda. - -- Issue #11335: Fixed a memory leak in list.sort when the key function - throws an exception. - -- Issue #8923: When a string is encoded to UTF-8 in strict mode, the result is - cached into the object. Examples: str.encode(), str.encode('utf-8'), - PyUnicode_AsUTF8String() and PyUnicode_AsEncodedString(unicode, "utf-8", - NULL). - -- Issue #10829: Refactor PyUnicode_FromFormat(), use the same function to parse - the format string in the 3 steps, fix crashs on invalid format strings. - -- Issue #13007: whichdb should recognize gdbm 1.9 magic numbers. - -- Issue #11286: Raise a ValueError from calling PyMemoryView_FromBuffer with - a buffer struct having a NULL data pointer. - -- Issue #11272: On Windows, input() strips '\r' (and not only '\n'), and - sys.stdin uses universal newline (replace '\r\n' by '\n'). - -- Issue #11828: startswith and endswith now accept None as slice index. - Patch by Torsten Becker. - -- Issue #11168: Remove filename debug variable from PyEval_EvalFrameEx(). - It encoded the Unicode filename to UTF-8, but the encoding fails on - undecodable filename (on surrogate characters) which raises an unexpected - UnicodeEncodeError on recursion limit. - -- Issue #11187: Remove bootstrap code (use ASCII) of - PyUnicode_AsEncodedString(), it was replaced by a better fallback (use the - locale encoding) in PyUnicode_EncodeFSDefault(). - -- Check for NULL result in PyType_FromSpec. - -- Issue #10516: New copy() and clear() methods for lists and bytearrays. - -- Issue #11386: bytearray.pop() now throws IndexError when the bytearray is - empty, instead of OverflowError. - -- Issue #12380: The rjust, ljust and center methods of bytes and bytearray - now accept a bytearray argument. - -Library -------- - -- Issue #14195: An issue that caused weakref.WeakSet instances to incorrectly - return True for a WeakSet instance 'a' in both 'a < a' and 'a > a' has been - fixed. - -- Issue #14166: Pickler objects now have an optional ``dispatch_table`` - attribute which allows to set custom per-pickler reduction functions. - Patch by sbt. - -- Issue #14177: marshal.loads() now raises TypeError when given an unicode - string. Patch by Guilherme Gonçalves. - -- Issue #13550: Remove the debug machinery from the threading module: remove - verbose arguments from all threading classes and functions. - -- Issue #14159: Fix the len() of weak containers (WeakSet, WeakKeyDictionary, - WeakValueDictionary) to return a better approximation when some objects - are dead or dying. Moreover, the implementation is now O(1) rather than - O(n). - -- Issue #11841: Fix comparison bug with 'rc' versions in packaging.version. - Patch by Filip Gruszczyński. - -- Issue #6884: Fix long-standing bugs with MANIFEST.in parsing in distutils - on Windows. Also fixed in packaging. - -- Issue #8033: sqlite3: Fix 64-bit integer handling in user functions - on 32-bit architectures. Initial patch by Philippe Devalkeneer. - -- HTMLParser is now able to handle slashes in the start tag. - -- Issue #13641: Decoding functions in the base64 module now accept ASCII-only - unicode strings. Patch by Catalin Iacob. - -- Issue #14043: Speed up importlib's _FileFinder by at least 8x, and add a - new importlib.invalidate_caches() function. - -- Issue #14001: CVE-2012-0845: xmlrpc: Fix an endless loop in - SimpleXMLRPCServer upon malformed POST request. - -- Issue #13961: Move importlib over to using os.replace() for atomic renaming. - -- Do away with ambiguous level values (as suggested by PEP 328) in - importlib.__import__() by raising ValueError when level < 0. - -- Issue #2489: pty.spawn could consume 100% cpu when it encountered an EOF. - -- Issue #13014: Fix a possible reference leak in SSLSocket.getpeercert(). - -- Issue #13777: Add PF_SYSTEM sockets on OS X. - Patch by Michael Goderbauer. - -- Issue #13015: Fix a possible reference leak in defaultdict.__repr__. - Patch by Suman Saha. - -- Issue #1326113: distutils' and packaging's build_ext commands option now - correctly parses multiple values (separated by whitespace or commas) given - to their --libraries option. - -- Issue #10287: nntplib now queries the server's CAPABILITIES first before - sending MODE READER, and only sends it if not already in READER mode. - Patch by Hynek Schlawack. - -- Issue #13993: HTMLParser is now able to handle broken end tags when - strict=False. - -- Issue #13930: lib2to3 now supports writing converted output files to another - directory tree as well as copying unchanged files and altering the file - suffix. - -- Issue #9750: Fix sqlite3.Connection.iterdump on tables and fields - with a name that is a keyword or contains quotes. Patch by Marko - Kohtala. - -- Issue #10287: nntplib now queries the server's CAPABILITIES again after - authenticating (since the result may change, according to RFC 4643). - Patch by Hynek Schlawack. - -- Issue #13590: On OS X 10.7 and 10.6 with Xcode 4.2, building - Distutils-based packages with C extension modules may fail because - Apple has removed gcc-4.2, the version used to build python.org - 64-bit/32-bit Pythons. If the user does not explicitly override - the default C compiler by setting the CC environment variable, - Distutils will now attempt to compile extension modules with clang - if gcc-4.2 is required but not found. Also as a convenience, if - the user does explicitly set CC, substitute its value as the default - compiler in the Distutils LDSHARED configuration variable for OS X. - (Note, the python.org 32-bit-only Pythons use gcc-4.0 and the 10.4u - SDK, neither of which are available in Xcode 4. This change does not - attempt to override settings to support their use with Xcode 4.) - -- Issue #13960: HTMLParser is now able to handle broken comments when - strict=False. - -- When '' is a path (e.g. in sys.path), make sure __file__ uses the current - working directory instead of '' in importlib. - -- Issue #13609: Add two functions to query the terminal size: - os.get_terminal_size (low level) and shutil.get_terminal_size (high level). - Patch by Zbigniew Jędrzejewski-Szmek. - -- Issue #13845: On Windows, time.time() now uses GetSystemTimeAsFileTime() - instead of ftime() to have a resolution of 100 ns instead of 1 ms (the clock - accuracy is between 0.5 ms and 15 ms). - -- Issue #13846: Add time.monotonic(), monotonic clock. - -- Issue #8184: multiprocessing: On Windows, don't set SO_REUSEADDR on - Connection sockets, and set FILE_FLAG_FIRST_PIPE_INSTANCE on named pipes, to - make sure two listeners can't bind to the same socket/pipe (or any existing - socket/pipe). - -- Issue #10811: Fix recursive usage of cursors. Instead of crashing, - raise a ProgrammingError now. - -- Issue #13734: Add os.fwalk(), a directory walking function yielding file - descriptors. - -- Issue #2945: Make the distutils upload command aware of bdist_rpm products. - -- Issue #13712: pysetup create should not convert package_data to extra_files. - -- Issue #11805: package_data in setup.cfg should allow more than one value. - -- Issue #13676: Handle strings with embedded zeros correctly in sqlite3. - -- Issue #8828: Add new function os.replace(), for cross-platform renaming - with overwriting. - -- Issue #13848: open() and the FileIO constructor now check for NUL - characters in the file name. Patch by Hynek Schlawack. - -- Issue #13806: The size check in audioop decompression functions was too - strict and could reject valid compressed data. Patch by Oleg Plakhotnyuk. - -- Issue #13812: When a multiprocessing Process child raises an exception, - flush stderr after printing the exception traceback. - -- Issue #13885: CVE-2011-3389: the _ssl module would always disable the CBC - IV attack countermeasure. - -- Issue #13847: time.localtime() and time.gmtime() now raise an OSError instead - of ValueError on failure. time.ctime() and time.asctime() now raises an - OSError if localtime() failed. time.clock() now raises a RuntimeError if the - processor time used is not available or its value cannot be represented - -- Issue #13772: In os.symlink() under Windows, do not try to guess the link - target's type (file or directory). The detection was buggy and made the - call non-atomic (therefore prone to race conditions). - -- Issue #6631: Disallow relative file paths in urllib urlopen methods. - -- Issue #13722: Avoid silencing ImportErrors when initializing the codecs - registry. - -- Issue #13781: Fix GzipFile bug that caused an exception to be raised when - opening for writing using a fileobj returned by os.fdopen(). - -- Issue #13803: Under Solaris, distutils doesn't include bitness - in the directory name. - -- Issue #10278: Add time.wallclock() function, monotonic clock. - -- Issue #13809: Fix regression where bz2 module wouldn't work when threads are - disabled. Original patch by Amaury Forgeot d'Arc. - -- Issue #13589: Fix some serialization primitives in the aifc module. - Patch by Oleg Plakhotnyuk. - -- Issue #13642: Unquote before b64encoding user:password during Basic - Authentication. Patch contributed by Joonas Kuorilehto. - -- Issue #12364: Fix a hang in concurrent.futures.ProcessPoolExecutor. - The hang would occur when retrieving the result of a scheduled future after - the executor had been shut down. - -- Issue #13502: threading: Fix a race condition in Event.wait() that made it - return False when the event was set and cleared right after. - -- Issue #9993: When the source and destination are on different filesystems, - and the source is a symlink, shutil.move() now recreates a symlink on the - destination instead of copying the file contents. Patch by Jonathan Niehof - and Hynek Schlawack. - -- Issue #12926: Fix a bug in tarfile's link extraction. - -- Issue #13696: Fix the 302 Relative URL Redirection problem. - -- Issue #13636: Weak ciphers are now disabled by default in the ssl module - (except when SSLv2 is explicitly asked for). - -- Issue #12715: Add an optional symlinks argument to shutil functions - (copyfile, copymode, copystat, copy, copy2). When that parameter is - true, symlinks aren't dereferenced and the operation instead acts on the - symlink itself (or creates one, if relevant). Patch by Hynek Schlawack. - -- Add a flags parameter to select.epoll. - -- Issue #13626: Add support for SSL Diffie-Hellman key exchange, through the - SSLContext.load_dh_params() method and the ssl.OP_SINGLE_DH_USE option. - -- Issue #11006: Don't issue low level warning in subprocess when pipe2() fails. - -- Issue #13620: Support for Chrome browser in webbrowser. Patch contributed - by Arnaud Calmettes. - -- Issue #11829: Fix code execution holes in inspect.getattr_static for - metaclasses with metaclasses. Patch by Andreas Stührk. - -- Issue #12708: Add starmap() and starmap_async() methods (similar to - itertools.starmap()) to multiprocessing.Pool. Patch by Hynek Schlawack. - -- Issue #1785: Fix inspect and pydoc with misbehaving descriptors. - -- Issue #13637: "a2b" functions in the binascii module now accept ASCII-only - unicode strings. - -- Issue #13634: Add support for querying and disabling SSL compression. - -- Issue #13627: Add support for SSL Elliptic Curve-based Diffie-Hellman - key exchange, through the SSLContext.set_ecdh_curve() method and the - ssl.OP_SINGLE_ECDH_USE option. - -- Issue #13635: Add ssl.OP_CIPHER_SERVER_PREFERENCE, so that SSL servers - choose the cipher based on their own preferences, rather than on the - client's. - -- Issue #11813: Fix inspect.getattr_static for modules. Patch by Andreas - Stührk. - -- Issue #7502: Fix equality comparison for DocTestCase instances. Patch by - Cédric Krier. - -- Issue #11870: threading: Properly reinitialize threads internal locks and - condition variables to avoid deadlocks in child processes. - -- Issue #8035: urllib: Fix a bug where the client could remain stuck after a - redirection or an error. - -- Issue #13560: os.strerror() now uses the current locale encoding instead of - UTF-8. - -- Issue #8373: The filesystem path of AF_UNIX sockets now uses the filesystem - encoding and the surrogateescape error handler, rather than UTF-8. Patch - by David Watson. - -- Issue #10350: Read and save errno before calling a function which might - overwrite it. Original patch by Hallvard B Furuseth. - -- Issue #11610: Introduce a more general way to declare abstract properties. - -- Issue #13591: A bug in importlib has been fixed that caused import_module - to load a module twice. - -- Issue #13449 sched.scheduler.run() method has a new "blocking" parameter which - when set to False makes run() execute the scheduled events due to expire - soonest (if any) and then return. Patch by Giampaolo Rodolà. - -- Issue #8684 sched.scheduler class can be safely used in multi-threaded - environments. Patch by Josiah Carlson and Giampaolo Rodolà. - -- Alias resource.error to OSError ala PEP 3151. - -- Issue #5689: Add support for lzma compression to the tarfile module. - -- Issue #13248: Turn 3.2's PendingDeprecationWarning into 3.3's - DeprecationWarning. It covers 'cgi.escape', 'importlib.abc.PyLoader', - 'importlib.abc.PyPycLoader', 'nntplib.NNTP.xgtitle', 'nntplib.NNTP.xpath', - and private attributes of 'smtpd.SMTPChannel'. - -- Issue #5905, Issue #13560: time.strftime() is now using the current locale - encoding, instead of UTF-8, if the wcsftime() function is not available. - -- Issue #13464: Add a readinto() method to http.client.HTTPResponse. Patch - by Jon Kuhn. - -- tarfile.py: Correctly detect bzip2 compressed streams with blocksizes - other than 900k. - -- Issue #13439: Fix many errors in turtle docstrings. - -- Issue #6715: Add a module 'lzma' for compression using the LZMA algorithm. - Thanks to Per Øyvind Karlsen for the initial implementation. - -- Issue #13487: Make inspect.getmodule robust against changes done to - sys.modules while it is iterating over it. - -- Issue #12618: Fix a bug that prevented py_compile from creating byte - compiled files in the current directory. Initial patch by Sjoerd de Vries. - -- Issue #13444: When stdout has been closed explicitly, we should not attempt - to flush it at shutdown and print an error. - -- Issue #12567: The curses module uses Unicode functions for Unicode arguments - when it is linked to the ncurses library. It encodes also Unicode strings to - the locale encoding instead of UTF-8. - -- Issue #12856: Ensure child processes do not inherit the parent's random - seed for filename generation in the tempfile module. Patch by Brian - Harring. - -- Issue #9957: SpooledTemporaryFile.truncate() now accepts an optional size - parameter, as other file-like objects. Patch by Ryan Kelly. - -- Issue #13458: Fix a memory leak in the ssl module when decoding a - certificate with a subjectAltName. Patch by Robert Xiao. - -- Issue #13415: os.unsetenv() doesn't ignore errors anymore. - -- Issue #13245: sched.scheduler class constructor's timefunc and - delayfunct parameters are now optional. - scheduler.enter and scheduler.enterabs methods gained a new kwargs parameter. - Patch contributed by Chris Clark. - -- Issue #12328: Under Windows, refactor handling of Ctrl-C events and - make _multiprocessing.win32.WaitForMultipleObjects interruptible when - the wait_flag parameter is false. Patch by sbt. - -- Issue #13322: Fix BufferedWriter.write() to ensure that BlockingIOError is - raised when the wrapped raw file is non-blocking and the write would block. - Previous code assumed that the raw write() would raise BlockingIOError, but - RawIOBase.write() is defined to returned None when the call would block. - Patch by sbt. - -- Issue #13358: HTMLParser now calls handle_data only once for each CDATA. - -- Issue #4147: minidom's toprettyxml no longer adds whitespace around a text - node when it is the only child of an element. Initial patch by Dan - Kenigsberg. - -- Issue #13374: The Windows bytes API has been deprecated in the os module. Use - Unicode filenames instead of bytes filenames to not depend on the ANSI code - page anymore and to support any filename. - -- Issue #13297: Use bytes type to send and receive binary data through XMLRPC. - -- Issue #6397: Support "/dev/poll" polling objects in select module, - under Solaris & derivatives. - -- Issues #1745761, #755670, #13357, #12629, #1200313: HTMLParser now correctly - handles non-valid attributes, including adjacent and unquoted attributes. - -- Issue #13193: Fix distutils.filelist.FileList and packaging.manifest.Manifest - under Windows. - -- Issue #13384: Remove unnecessary __future__ import in Lib/random.py - -- Issue #13149: Speed up append-only StringIO objects. - -- Issue #13373: multiprocessing.Queue.get() could sometimes block indefinitely - when called with a timeout. Patch by Arnaud Ysmal. - -- Issue #13254: Fix Maildir initialization so that maildir contents - are read correctly. - -- Issue #3067: locale.setlocale() now raises TypeError if the second - argument is an invalid iterable. Its documentation and docstring - were also updated. Initial patch by Jyrki Pulliainen. - -- Issue #13140: Fix the daemon_threads attribute of ThreadingMixIn. - -- Issue #13339: Fix compile error in posixmodule.c due to missing semicolon. - Thanks to Robert Xiao. - -- Byte compilation in packaging is now isolated from the calling Python -B or - -O options, instead of being disallowed under -B or buggy under -O. - -- Issue #10570: curses.putp() and curses.tparm() are now expecting a byte - string, instead of a Unicode string. - -- Issue #13295: http.server now produces valid HTML 4.01 strict. - -- Issue #2892: preserve iterparse events in case of SyntaxError. - -- Issue #13287: urllib.request and urllib.error now contains an __all__ - attribute to expose only relevant classes and functions. Patch by Florent - Xicluna. - -- Issue #670664: Fix HTMLParser to correctly handle the content of - ```` and ````. - -- Issue #10817: Fix urlretrieve function to raise ContentTooShortError even - when reporthook is None. Patch by Jyrki Pulliainen. - -- Fix the xmlrpc.client user agent to return something similar to - urllib.request user agent: "Python-xmlrpc/3.3". - -- Issue #13293: Better error message when trying to marshal bytes using - xmlrpc.client. - -- Issue #13291: NameError in xmlrpc package. - -- Issue #13258: Use callable() built-in in the standard library. - -- Issue #13273: fix a bug that prevented HTMLParser to properly detect some - tags when strict=False. - -- Issue #11183: Add finer-grained exceptions to the ssl module, so that - you don't have to inspect the exception's attributes in the common case. - -- Issue #13216: Add cp65001 codec, the Windows UTF-8 (CP_UTF8). - -- Issue #13226: Add RTLD_xxx constants to the os module. These constants can be - used with sys.setdlopenflags(). - -- Issue #10278: Add clock_getres(), clock_gettime() and CLOCK_xxx constants to - the time module. time.clock_gettime(time.CLOCK_MONOTONIC) provides a - monotonic clock - -- Issue #10332: multiprocessing: fix a race condition when a Pool is closed - before all tasks have completed. - -- Issue #13255: wrong docstrings in array module. - -- Issue #8540: Remove deprecated Context._clamp attribute in Decimal module. - -- Issue #13235: Added DeprecationWarning to logging.warn() method and function. - -- Issue #9168: now smtpd is able to bind privileged port. - -- Issue #12529: fix cgi.parse_header issue on strings with double-quotes and - semicolons together. Patch by Ben Darnell and Petri Lehtinen. - -- Issue #13227: functools.lru_cache() now has a option to distinguish - calls with different argument types. - -- Issue #6090: zipfile raises a ValueError when a document with a timestamp - earlier than 1980 is provided. Patch contributed by Petri Lehtinen. - -- Issue #13150: sysconfig no longer parses the Makefile and config.h files - when imported, instead doing it at build time. This makes importing - sysconfig faster and reduces Python startup time by 20%. - -- Issue #12448: smtplib now flushes stdout while running ``python -m smtplib`` - in order to display the prompt correctly. - -- Issue #12454: The mailbox module is now using ASCII, instead of the locale - encoding, to read and write .mh_sequences files. - -- Issue #13194: zlib.compressobj().copy() and zlib.decompressobj().copy() are - now available on Windows. - -- Issue #1673007: urllib.request now supports HEAD request via new method argument. - Patch contributions by David Stanek, Patrick Westerhoff and Ezio Melotti. - -- Issue #12386: packaging does not fail anymore when writing the RESOURCES - file. - -- Issue #13158: Fix decoding and encoding of GNU tar specific base-256 number - fields in tarfile. - -- Issue #13025: mimetypes is now reading MIME types using the UTF-8 encoding, - instead of the locale encoding. - -- Issue #10653: On Windows, use strftime() instead of wcsftime() because - wcsftime() doesn't format time zone correctly. - -- Issue #13150: The tokenize module doesn't compile large regular expressions - at startup anymore. - -- Issue #11171: Fix distutils.sysconfig.get_makefile_filename when Python was - configured with different prefix and exec-prefix. - -- Issue #11254: Teach distutils and packaging to compile .pyc and .pyo files in - PEP 3147-compliant __pycache__ directories. - -- Issue #7367: Fix pkgutil.walk_paths to skip directories whose - contents cannot be read. - -- Issue #3163: The struct module gets new format characters 'n' and 'N' - supporting C integer types ``ssize_t`` and ``size_t``, respectively. - -- Issue #13099: Fix sqlite3.Cursor.lastrowid under a Turkish locale. - Reported and diagnosed by Thomas Kluyver. - -- Issue #13087: BufferedReader.seek() now always raises UnsupportedOperation - if the underlying raw stream is unseekable, even if the seek could be - satisfied using the internal buffer. Patch by John O'Connor. - -- Issue #7689: Allow pickling of dynamically created classes when their - metaclass is registered with copyreg. Patch by Nicolas M. Thiéry and Craig - Citro. - -- Issue #13034: When decoding some SSL certificates, the subjectAltName - extension could be unreported. - -- Issue #12306: Expose the runtime version of the zlib C library as a constant, - ZLIB_RUNTIME_VERSION, in the zlib module. Patch by Torsten Landschoff. - -- Issue #12959: Add collections.ChainMap to collections.__all__. - -- Issue #8933: distutils' PKG-INFO files and packaging's METADATA files will - now correctly report Metadata-Version: 1.1 instead of 1.0 if a Classifier or - Download-URL field is present. - -- Issue #12567: Add curses.unget_wch() function. Push a character so the next - get_wch() will return it. - -- Issue #9561: distutils and packaging now writes egg-info files using UTF-8, - instead of the locale encoding. - -- Issue #8286: The distutils command sdist will print a warning message instead - of crashing when an invalid path is given in the manifest template. - -- Issue #12841: tarfile unnecessarily checked the existence of numerical user - and group ids on extraction. If one of them did not exist the respective id - of the current user (i.e. root) was used for the file and ownership - information was lost. - -- Issue #12888: Fix a bug in HTMLParser.unescape that prevented it to escape - more than 128 entities. Patch by Peter Otten. - -- Issue #12878: Expose a __dict__ attribute on io.IOBase and its subclasses. - -- Issue #12494: On error, call(), check_call(), check_output() and - getstatusoutput() functions of the subprocess module now kill the process, - read its status (to avoid zombis) and close pipes. - -- Issue #12720: Expose low-level Linux extended file attribute functions in os. - -- Issue #10946: The distutils commands bdist_dumb, bdist_wininst and bdist_msi - now respect a --skip-build option given to bdist. The packaging commands - were fixed too. - -- Issue #12847: Fix a crash with negative PUT and LONG_BINPUT arguments in - the C pickle implementation. - -- Issue #11564: Avoid crashes when trying to pickle huge objects or containers - (more than 2**31 items). Instead, in most cases, an OverflowError is raised. - -- Issue #12287: Fix a stack corruption in ossaudiodev module when the FD is - greater than FD_SETSIZE. - -- Issue #12839: Fix crash in zlib module due to version mismatch. - Fix by Richard M. Tew. - -- Issue #9923: The mailcap module now correctly uses the platform path - separator for the MAILCAP environment variable on non-POSIX platforms. - -- Issue #12835: Follow up to #6560 that unconditionally prevents use of the - unencrypted sendmsg/recvmsg APIs on SSL wrapped sockets. Patch by David - Watson. - -- Issue #12803: SSLContext.load_cert_chain() now accepts a password argument - to be used if the private key is encrypted. Patch by Adam Simpkins. - -- Issue #11657: Fix sending file descriptors over 255 over a multiprocessing - Pipe. - -- Issue #12811: tabnanny.check() now promptly closes checked files. Patch by - Anthony Briggs. - -- Issue #6560: The sendmsg/recvmsg API is now exposed by the socket module - when provided by the underlying platform, supporting processing of - ancillary data in pure Python code. Patch by David Watson and Heiko Wundram. - -- Issue #12326: On Linux, sys.platform doesn't contain the major version - anymore. It is now always 'linux', instead of 'linux2' or 'linux3' depending - on the Linux version used to build Python. - -- Issue #12213: Fix a buffering bug with interleaved reads and writes that - could appear on BufferedRandom streams. - -- Issue #12778: Reduce memory consumption when JSON-encoding a large - container of many small objects. - -- Issue #12650: Fix a race condition where a subprocess.Popen could leak - resources (FD/zombie) when killed at the wrong time. - -- Issue #12744: Fix inefficient representation of integers between 2**31 and - 2**63 on systems with a 64-bit C "long". - -- Issue #12646: Add an 'eof' attribute to zlib.Decompress, to make it easier to - detect truncated input streams. - -- Issue #11513: Fix exception handling ``tarfile.TarFile.gzopen()`` when - the file cannot be opened. - -- Issue #12687: Fix a possible buffering bug when unpickling text mode - (protocol 0, mostly) pickles. - -- Issue #10087: Fix the html output format of the calendar module. - -- Issue #13121: add support for inplace math operators to collections.Counter. - -- Add support for unary plus and unary minus to collections.Counter. - -- Issue #12683: urlparse updated to include svn as schemes that uses relative - paths. (svn from 1.5 onwards support relative path). - -- Issue #12655: Expose functions from sched.h in the os module: sched_yield(), - sched_setscheduler(), sched_getscheduler(), sched_setparam(), - sched_get_min_priority(), sched_get_max_priority(), sched_rr_get_interval(), - sched_getaffinity(), sched_setaffinity(). - -- Add ThreadError to threading.__all__. - -- Issues #11104, #8688: Fix the behavior of distutils' sdist command with - manually-maintained MANIFEST files. - -- Issue #11281: smtplib.STMP gets source_address parameter, which adds the - ability to bind to specific source address on a machine with multiple - interfaces. Patch by Paulo Scardine. - -- Issue #12464: tempfile.TemporaryDirectory.cleanup() should not follow - symlinks: fix it. Patch by Petri Lehtinen. - -- Issue #8887: "pydoc somebuiltin.somemethod" (or help('somebuiltin.somemethod') - in Python code) now finds the doc of the method. - -- Issue #10968: Remove indirection in threading. The public names (Event, - Condition, etc.) used to be factory functions returning instances of hidden - classes (_Event, _Condition, etc.), because (if Guido recalls correctly) this - code pre-dates the ability to subclass extension types. It is now possible - to inherit from these classes, without having to import the private - underscored names like multiprocessing did. - -- Issue #9723: Add shlex.quote functions, to escape filenames and command - lines. - -- Issue #12603: Fix pydoc.synopsis() on files with non-negative st_mtime. - -- Issue #12514: Use try/finally to assure the timeit module restores garbage - collections when it is done. - -- Issue #12607: In subprocess, fix issue where if stdin, stdout or stderr is - given as a low fd, it gets overwritten. - -- Issue #12576: Fix urlopen behavior on sites which do not send (or obfuscates) - ``Connection: close`` header. - -- Issue #12560: Build libpython.so on OpenBSD. Patch by Stefan Sperling. - -- Issue #1813: Fix codec lookup under Turkish locales. - -- Issue #12591: Improve support of "universal newlines" in the subprocess - module: the piped streams can now be properly read from or written to. - -- Issue #12591: Allow io.TextIOWrapper to work with raw IO objects (without - a read1() method), and add a *write_through* parameter to mandate - unbuffered writes. - -- Issue #10883: Fix socket leaks in urllib.request when using FTP. - -- Issue #12592: Make Python build on OpenBSD 5 (and future major releases). - -- Issue #12372: POSIX semaphores are broken on AIX: don't use them. - -- Issue #12551: Provide a get_channel_binding() method on SSL sockets so as - to get channel binding data for the current SSL session (only the - "tls-unique" channel binding is implemented). This allows the implementation - of certain authentication mechanisms such as SCRAM-SHA-1-PLUS. Patch by - Jacek Konieczny. - -- Issue #665194: email.utils now has format_datetime and parsedate_to_datetime - functions, allowing for round tripping of RFC2822 format dates. - -- Issue #12571: Add a plat-linux3 directory mirroring the plat-linux2 - directory, so that "import DLFCN" and other similar imports work on - Linux 3.0. - -- Issue #7484: smtplib no longer puts <> around addresses in VRFY and EXPN - commands; they aren't required and in fact postfix doesn't support that form. - -- Issue #12273: Remove ast.__version__. AST changes can be accounted for by - checking sys.version_info or sys._mercurial. - -- Silence spurious "broken pipe" tracebacks when shutting down a - ProcessPoolExecutor. - -- Fix potential resource leaks in concurrent.futures.ProcessPoolExecutor - by joining all queues and processes when shutdown() is called. - -- Issue #11603: Fix a crash when __str__ is rebound as __repr__. Patch by - Andreas Stührk. - -- Issue #11321: Fix a crash with multiple imports of the _pickle module when - embedding Python. Patch by Andreas Stührk. - -- Issue #6755: Add get_wch() method to curses.window class. Patch by Iñigo - Serna. - -- Add cgi.closelog() function to close the log file. - -- Issue #12502: asyncore: fix polling loop with AF_UNIX sockets. - -- Issue #4376: ctypes now supports nested structures in a endian different than - the parent structure. Patch by Vlad Riscutia. - -- Raise ValueError when attempting to set the _CHUNK_SIZE attribute of a - TextIOWrapper to a huge value, not TypeError. - -- Issue #12504: Close file handles in a timely manner in packaging.database. - This fixes a bug with the remove (uninstall) feature on Windows. - -- Issues #12169 and #10510: Factor out code used by various packaging commands - to make HTTP POST requests, and make sure it uses CRLF. - -- Issue #12016: Multibyte CJK decoders now resynchronize faster. They only - ignore the first byte of an invalid byte sequence. For example, - b'\xff\n'.decode('gb2312', 'replace') gives '\ufffd\n' instead of '\ufffd'. - -- Issue #12459: time.sleep() now raises a ValueError if the sleep length is - negative, instead of an infinite sleep on Windows or raising an IOError on - Linux for example, to have the same behaviour on all platforms. - -- Issue #12451: pydoc: html_getfile() now uses tokenize.open() to support - Python scripts using a encoding different than UTF-8 (read the coding cookie - of the script). - -- Issue #12493: subprocess: Popen.communicate() now also handles EINTR errors - if the process has only one pipe. - -- Issue #12467: warnings: fix a race condition if a warning is emitted at - shutdown, if globals()['__file__'] is None. - -- Issue #12451: pydoc: importfile() now opens the Python script in binary mode, - instead of text mode using the locale encoding, to avoid encoding issues. - -- Issue #12451: runpy: run_path() now opens the Python script in binary mode, - instead of text mode using the locale encoding, to support other encodings - than UTF-8 (scripts using the coding cookie). - -- Issue #12451: xml.dom.pulldom: parse() now opens files in binary mode instead - of the text mode (using the locale encoding) to avoid encoding issues. - -- Issue #12147: Adjust the new-in-3.2 smtplib.send_message method for better - conformance to the RFCs: correctly handle Sender and Resent- headers. - -- Issue #12352: Fix a deadlock in multiprocessing.Heap when a block is freed by - the garbage collector while the Heap lock is held. - -- Issue #12462: time.sleep() now immediately calls the (Python) signal handler - if it is interrupted by a signal, instead of having to wait until the next - instruction. - -- Issue #12442: new shutil.disk_usage function, providing total, used and free - disk space statistics. - -- Issue #12451: The XInclude default loader of xml.etree now decodes files from - UTF-8 instead of the locale encoding if the encoding is not specified. It now - also opens XML files for the parser in binary mode instead of the text mode - to avoid encoding issues. - -- Issue #12451: doctest.debug_script() doesn't create a temporary file - anymore to avoid encoding issues. - -- Issue #12451: pydoc.synopsis() now reads the encoding cookie if available, - to read the Python script from the right encoding. - -- Issue #12451: distutils now opens the setup script in binary mode to read the - encoding cookie, instead of opening it in UTF-8. - -- Issue #9516: On Mac OS X, change Distutils to no longer globally attempt to - check or set the MACOSX_DEPLOYMENT_TARGET environment variable for the - interpreter process. This could cause failures in non-Distutils subprocesses - and was unreliable since tests or user programs could modify the interpreter - environment after Distutils set it. Instead, have Distutils set the - deployment target only in the environment of each build subprocess. It is - still possible to globally override the default by setting - MACOSX_DEPLOYMENT_TARGET before launching the interpreter; its value must be - greater or equal to the default value, the value with which the interpreter - was built. Also, implement the same handling in packaging. - -- Issue #12422: In the copy module, don't store objects that are their own copy - in the memo dict. - -- Issue #12303: Add sigwaitinfo() and sigtimedwait() to the signal module. - -- Issue #12404: Remove C89 incompatible code from mmap module. Patch by Akira - Kitada. - -- Issue #1874: email now detects and reports as a defect the presence of - any CTE other than 7bit, 8bit, or binary on a multipart. - -- Issue #12383: Fix subprocess module with env={}: don't copy the environment - variables, start with an empty environment. - -- Issue #11637: Fix support for importing packaging setup hooks from the - project directory. - -- Issue #6771: Moved the curses.wrapper function from the single-function - wrapper module into __init__, eliminating the module. Since __init__ was - already importing the function to curses.wrapper, there is no API change. - -- Issue #11584: email.header.decode_header no longer fails if the header - passed to it is a Header object, and Header/make_header no longer fail - if given binary unknown-8bit input. - -- Issue #11700: mailbox proxy object close methods can now be called multiple - times without error. - -- Issue #11767: Correct file descriptor leak in mailbox's __getitem__ method. - -- Issue #12133: AbstractHTTPHandler.do_open() of urllib.request closes the HTTP - connection if its getresponse() method fails with a socket error. Patch - written by Ezio Melotti. - -- Issue #12240: Allow multiple setup hooks in packaging's setup.cfg files. - Original patch by Erik Bray. - -- Issue #9284: Allow inspect.findsource() to find the source of doctest - functions. - -- Issue #11595: Fix assorted bugs in packaging.util.cfg_to_args, a - compatibility helper for the distutils-packaging transition. Original patch - by Erik Bray. - -- Issue #12287: In ossaudiodev, check that the device isn't closed in several - methods. - -- Issue #12009: Fixed regression in netrc file comment handling. - -- Issue #12246: Warn and fail when trying to install a third-party project from - an uninstalled Python (built in a source checkout). Original patch by - Tshepang Lekhonkhobe. - -- Issue #10694: zipfile now ignores garbage at the end of a zipfile. - -- Issue #12283: Fixed regression in smtplib quoting of leading dots in DATA. - -- Issue #10424: Argparse now includes the names of the missing required - arguments in the missing arguments error message. - -- Issue #12168: SysLogHandler now allows NUL termination to be controlled using - a new 'append_nul' attribute on the handler. - -- Issue #11583: Speed up os.path.isdir on Windows by using GetFileAttributes - instead of os.stat. - -- Issue #12021: Make mmap's read() method argument optional. Patch by Petri - Lehtinen. - -- Issue #9205: concurrent.futures.ProcessPoolExecutor now detects killed - children and raises BrokenProcessPool in such a situation. Previously it - would reliably freeze/deadlock. - -- Issue #12040: Expose a new attribute ``sentinel`` on instances of - ``multiprocessing.Process``. Also, fix Process.join() to not use polling - anymore, when given a timeout. - -- Issue #11893: Remove obsolete internal wrapper class ``SSLFakeFile`` in the - smtplib module. Patch by Catalin Iacob. - -- Issue #12080: Fix a Decimal.power() case that took an unreasonably long time - to compute. - -- Issue #12221: Remove __version__ attributes from pyexpat, pickle, tarfile, - pydoc, tkinter, and xml.parsers.expat. This were useless version constants - left over from the Mercurial transition - -- Named tuples now work correctly with vars(). - -- Issue #12085: Fix an attribute error in subprocess.Popen destructor if the - constructor has failed, e.g. because of an undeclared keyword argument. Patch - written by Oleg Oshmyan. - -- Issue #12028: Make threading._get_ident() public, rename it to - threading.get_ident() and document it. This function was already used using - _thread.get_ident(). - -- Issue #12171: IncrementalEncoder.reset() of CJK codecs (multibytecodec) calls - encreset() instead of decreset(). - -- Issue #12218: Removed wsgiref.egg-info. - -- Issue #12196: Add pipe2() to the os module. - -- Issue #985064: Make plistlib more resilient to faulty input plists. - Patch by Mher Movsisyan. - -- Issue #1625: BZ2File and bz2.decompress() now support multi-stream files. - Initial patch by Nir Aides. - -- Issue #12175: BufferedReader.read(-1) now calls raw.readall() if available. - -- Issue #12175: FileIO.readall() now only reads the file position and size - once. - -- Issue #12175: RawIOBase.readall() now returns None if read() returns None. - -- Issue #12175: FileIO.readall() now raises a ValueError instead of an IOError - if the file is closed. - -- Issue #11109: New service_action method for BaseServer, used by ForkingMixin - class for cleanup. Initial Patch by Justin Warkentin. - -- Issue #12045: Avoid duplicate execution of command in - ctypes.util._get_soname(). Patch by Sijin Joseph. - -- Issue #10818: Remove the Tk GUI and the serve() function of the pydoc module, - pydoc -g has been deprecated in Python 3.2 and it has a new enhanced web - server. - -- Issue #1441530: In imaplib, read the data in one chunk to speed up large - reads and simplify code. - -- Issue #12070: Fix the Makefile parser of the sysconfig module to handle - correctly references to "bogus variable" (e.g. "prefix=$/opt/python"). - -- Issue #12100: Don't reset incremental encoders of CJK codecs at each call to - their encode() method anymore, but continue to call the reset() method if the - final argument is True. - -- Issue #12049: Add RAND_bytes() and RAND_pseudo_bytes() functions to the ssl - module. - -- Issue #6501: os.device_encoding() returns None on Windows if the application - has no console. - -- Issue #12105: Add O_CLOEXEC to the os module. - -- Issue #12079: Decimal('Infinity').fma(Decimal('0'), (3.91224318126786e+19+0j)) - now raises TypeError (reflecting the invalid type of the 3rd argument) rather - than Decimal.InvalidOperation. - -- Issue #12124: zipimport doesn't keep a reference to zlib.decompress() anymore - to be able to unload the module. - -- Add the packaging module, an improved fork of distutils (also known as - distutils2). - -- Issue #12065: connect_ex() on an SSL socket now returns the original errno - when the socket's timeout expires (it used to return None). - -- Issue #8809: The SMTP_SSL constructor and SMTP.starttls() now support - passing a ``context`` argument pointing to an ssl.SSLContext instance. - Patch by Kasun Herath. - -- Issue #9516: Issue #9516: avoid errors in sysconfig when MACOSX_DEPLOYMENT_TARGET - is set in shell. - -- Issue #8650: Make zlib module 64-bit clean. compress(), decompress() and - their incremental counterparts now raise OverflowError if given an input - larger than 4GB, instead of silently truncating the input and returning - an incorrect result. - -- Issue #12050: zlib.decompressobj().decompress() now clears the unconsumed_tail - attribute when called without a max_length argument. - -- Issue #12062: Fix a flushing bug when doing a certain type of I/O sequence - on a file opened in read+write mode (namely: reading, seeking a bit forward, - writing, then seeking before the previous write but still within buffered - data, and writing again). - -- Issue #9971: Write an optimized implementation of BufferedReader.readinto(). - Patch by John O'Connor. - -- Issue #11799: urllib.request Authentication Handlers will raise a ValueError - when presented with an unsupported Authentication Scheme. Patch contributed - by Yuval Greenfield. - -- Issue #10419, #6011: build_scripts command of distutils handles correctly - non-ASCII path (path to the Python executable). Open and write the script in - binary mode, but ensure that the shebang is decodable from UTF-8 and from the - encoding of the script. - -- Issue #8498: In socket.accept(), allow to specify 0 as a backlog value in - order to accept exactly one connection. Patch by Daniel Evers. - -- Issue #12011: signal.signal() and signal.siginterrupt() raise an OSError, - instead of a RuntimeError: OSError has an errno attribute. - -- Issue #3709: add a flush_headers method to BaseHTTPRequestHandler, which - manages the sending of headers to output stream and flushing the internal - headers buffer. Patch contribution by Andrew Schaaf - -- Issue #11743: Rewrite multiprocessing connection classes in pure Python. - -- Issue #11164: Stop trying to use _xmlplus in the xml module. - -- Issue #11888: Add log2 function to math module. Patch written by Mark - Dickinson. - -- Issue #12012: ssl.PROTOCOL_SSLv2 becomes optional. - -- Issue #8407: The signal handler writes the signal number as a single byte - instead of a nul byte into the wakeup file descriptor. So it is possible to - wait more than one signal and know which signals were raised. - -- Issue #8407: Add pthread_kill(), sigpending() and sigwait() functions to the - signal module. - -- Issue #11927: SMTP_SSL now uses port 465 by default as documented. Patch - by Kasun Herath. - -- Issue #12002: ftplib's abort() method raises TypeError. - -- Issue #11916: Add a number of MacOSX specific definitions to the errno module. - Patch by Pierre Carrier. - -- Issue #11999: fixed sporadic sync failure mailbox.Maildir due to its trying to - detect mtime changes by comparing to the system clock instead of to the - previous value of the mtime. - -- Issue #11072: added MLSD command (RFC-3659) support to ftplib. - -- Issue #8808: The IMAP4_SSL constructor now allows passing an SSLContext - parameter to control parameters of the secure channel. Patch by Sijin - Joseph. - -- ntpath.samefile failed to notice that "a.txt" and "A.TXT" refer to the same - file on Windows XP. As noticed in issue #10684. - -- Issue #12000: When a SSL certificate has a subjectAltName without any - dNSName entry, ssl.match_hostname() should use the subject's commonName. - Patch by Nicolas Bareil. - -- Issue #10775: assertRaises, assertRaisesRegex, assertWarns, and - assertWarnsRegex now accept a keyword argument 'msg' when used as context - managers. Initial patch by Winston Ewert. - -- Issue #10684: shutil.move used to delete a folder on case insensitive - filesystems when the source and destination name where the same except - for the case. - -- Issue #11647: objects created using contextlib.contextmanager now support - more than one call to the function when used as a decorator. Initial patch - by Ysj Ray. - -- Issue #11930: Removed deprecated time.accept2dyear variable. - Removed year >= 1000 restriction from datetime.strftime. - -- logging: don't define QueueListener if Python has no thread support. - -- functools.cmp_to_key() now works with collections.Hashable(). - -- Issue #11277: mmap.mmap() calls fcntl(fd, F_FULLFSYNC) on Mac OS X to get - around a mmap bug with sparse files. Patch written by Steffen Daode Nurpmeso. - -- Issue #8407: Add signal.pthread_sigmask() function to fetch and/or change the - signal mask of the calling thread. - -- Issue #11858: configparser.ExtendedInterpolation expected lower-case section - names. - -- Issue #11324: ConfigParser(interpolation=None) now works correctly. - -- Issue #11811: ssl.get_server_certificate() is now IPv6-compatible. Patch - by Charles-François Natali. - -- Issue #11763: don't use difflib in TestCase.assertMultiLineEqual if the - strings are too long. - -- Issue #11236: getpass.getpass responds to ctrl-c or ctrl-z on terminal. - -- Issue #11856: Speed up parsing of JSON numbers. - -- Issue #11005: threading.RLock()._release_save() raises a RuntimeError if the - lock was not acquired. - -- Issue #11258: Speed up ctypes.util.find_library() under Linux by a factor - of 5 to 10. Initial patch by Jonas H. - -- Issue #11382: Trivial system calls, such as dup() or pipe(), needn't - release the GIL. Patch by Charles-François Natali. - -- Issue #11223: Add threading._info() function providing informations about - the thread implementation. - -- Issue #11731: simplify/enhance email parser/generator API by introducing - policy objects. - -- Issue #11768: The signal handler of the signal module only calls - Py_AddPendingCall() for the first signal to fix a deadlock on reentrant or - parallel calls. PyErr_SetInterrupt() writes also into the wake up file. - -- Issue #11492: fix several issues with header folding in the email package. - -- Issue #11852: Add missing imports and update tests. - -- Issue #11875: collections.OrderedDict's __reduce__ was temporarily - mutating the object instead of just working on a copy. - -- Issue #11467: Fix urlparse behavior when handling urls which contains scheme - specific part only digits. Patch by Santoso Wijaya. - -- collections.Counter().copy() now works correctly for subclasses. - -- Issue #11474: Fix the bug with url2pathname() handling of '/C|/' on Windows. - Patch by Santoso Wijaya. - -- Issue #11684: complete email.parser bytes API by adding BytesHeaderParser. - -- The bz2 module now handles 4GiB+ input buffers correctly. - -- Issue #9233: Fix json.loads('{}') to return a dict (instead of a list), when - _json is not available. - -- Issue #11830: Remove unnecessary introspection code in the decimal module. - -- Issue #11703: urllib2.geturl() does not return correct url when the original - url contains #fragment. - -- Issue #10019: Fixed regression in json module where an indent of 0 stopped - adding newlines and acted instead like 'None'. - -- Issue #11186: pydoc ignores a module if its name contains a surrogate - character in the index of modules. - -- Issue #11815: Use a light-weight SimpleQueue for the result queue in - concurrent.futures.ProcessPoolExecutor. - -- Issue #5162: Treat services like frozen executables to allow child spawning - from multiprocessing.forking on Windows. - -- logging.basicConfig now supports an optional 'handlers' argument taking an - iterable of handlers to be added to the root logger. Additional parameter - checks were also added to basicConfig. - -- Issue #11814: Fix likely typo in multiprocessing.Pool._terminate(). - -- Issue #11747: Fix range formatting in difflib.context_diff() and - difflib.unified_diff(). - -- Issue #8428: Fix a race condition in multiprocessing.Pool when terminating - worker processes: new processes would be spawned while the pool is being - shut down. Patch by Charles-François Natali. - -- Issue #2650: re.escape() no longer escapes the '_'. - -- Issue #11757: select.select() now raises ValueError when a negative timeout - is passed (previously, a select.error with EINVAL would be raised). Patch - by Charles-François Natali. - -- Issue #7311: fix html.parser to accept non-ASCII attribute values. - -- Issue #11605: email.parser.BytesFeedParser was incorrectly converting - multipart subparts with an 8-bit CTE into unicode instead of preserving the - bytes. - -- Issue #1690608: email.util.formataddr is now RFC 2047 aware: it now has a - charset parameter that defaults to utf-8 and is used as the charset for RFC - 2047 encoding when the realname contains non-ASCII characters. - -- Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. - -- Issue #10791: Implement missing method GzipFile.read1(), allowing GzipFile - to be wrapped in a TextIOWrapper. Patch by Nadeem Vawda. - -- Issue #11707: Added a fast C version of functools.cmp_to_key(). - Patch by Filip Gruszczyński. - -- Issue #11688: Add sqlite3.Connection.set_trace_callback(). Patch by - Torsten Landschoff. - -- Issue #11746: Fix SSLContext.load_cert_chain() to accept elliptic curve - private keys. - -- Issue #5863: Rewrite BZ2File in pure Python, and allow it to accept - file-like objects using a new ``fileobj`` constructor argument. Patch by - Nadeem Vawda. - -- unittest.TestCase.assertSameElements has been removed. - -- sys.getfilesystemencoding() raises a RuntimeError if initfsencoding() was not - called yet: detect bootstrap (startup) issues earlier. - -- Issue #11393: Add the new faulthandler module. - -- Issue #11618: Fix the timeout logic in threading.Lock.acquire() under Windows. - -- Removed the 'strict' argument to email.parser.Parser, which has been - deprecated since Python 2.4. - -- Issue #11256: Fix inspect.getcallargs on functions that take only keyword - arguments. - -- Issue #11696: Fix ID generation in msilib. - -- itertools.accumulate now supports an optional *func* argument for - a user-supplied binary function. - -- Issue #11692: Remove unnecessary demo functions in subprocess module. - -- Issue #9696: Fix exception incorrectly raised by xdrlib.Packer.pack_int when - trying to pack a negative (in-range) integer. - -- Issue #11675: multiprocessing.[Raw]Array objects created from an integer size - are now zeroed on creation. This matches the behaviour specified by the - documentation. - -- Issue #7639: Fix short file name generation in bdist_msi - -- Issue #11635: Don't use polling in worker threads and processes launched by - concurrent.futures. - -- Issue #5845: Automatically read readline configuration to enable completion - in interactive mode. - -- Issue #6811: Allow importlib to change a code object's co_filename attribute - to match the path to where the source code currently is, not where the code - object originally came from. - -- Issue #8754: Have importlib use the repr of a module name in error messages. - -- Issue #11591: Prevent "import site" from modifying sys.path when python - was started with -S. - -- collections.namedtuple() now adds a _source attribute to the generated - class. This make the source more accessible than the outdated - "verbose" option which prints to stdout but doesn't make the source - string available. - -- Issue #11371: Mark getopt error messages as localizable. Patch by Filip - Gruszczyński. - -- Issue #11333: Add __slots__ to collections ABCs. - -- Issue #11628: cmp_to_key generated class should use __slots__. - -- Issue #11666: let help() display named tuple attributes and methods - that start with a leading underscore. - -- Issue #11662: Make urllib and urllib2 ignore redirections if the - scheme is not HTTP, HTTPS or FTP (CVE-2011-1521). - -- Issue #5537: Fix time2isoz() and time2netscape() functions of - httplib.cookiejar for expiration year greater than 2038 on 32-bit systems. - -- Issue #4391: Use proper gettext plural forms in optparse. - -- Issue #11127: Raise a TypeError when trying to pickle a socket object. - -- Issue #11563: ``Connection: close`` header is sent by requests using URLOpener - class which helps in closing of sockets after connection is over. Patch - contributions by Jeff McNeil and Nadeem Vawda. - -- Issue #11459: A ``bufsize`` value of 0 in subprocess.Popen() really creates - unbuffered pipes, such that select() works properly on them. - -- Issue #5421: Fix misleading error message when one of socket.sendto()'s - arguments has the wrong type. Patch by Nikita Vetoshkin. - -- Issue #10812: Add some extra posix functions to the os module. - -- Issue #10979: unittest stdout buffering now works with class and module - setup and teardown. - -- Issue #11243: fix the parameter querying methods of Message to work if - the headers contain un-encoded non-ASCII data. - -- Issue #11401: fix handling of headers with no value; this fixes a regression - relative to Python2 and the result is now the same as it was in Python2. - -- Issue #9298: base64 bodies weren't being folded to line lengths less than 78, - which was a regression relative to Python2. Unlike Python2, the last line - of the folded body now ends with a carriage return. - -- Issue #11560: shutil.unpack_archive now correctly handles the format - parameter. Patch by Evan Dandrea. - -- Issue #5870: Add `subprocess.DEVNULL` constant. - -- Issue #11133: fix two cases where inspect.getattr_static can trigger code - execution. Patch by Andreas Stührk. - -- Issue #11569: use absolute path to the sysctl command in multiprocessing to - ensure that it will be found regardless of the shell PATH. This ensures - that multiprocessing.cpu_count works on default installs of MacOSX. - -- Issue #11501: disutils.archive_utils.make_zipfile no longer fails if zlib is - not installed. Instead, the zipfile.ZIP_STORED compression is used to create - the ZipFile. Patch by Natalia B. Bidart. - -- Issue #11289: `smtp.SMTP` class is now a context manager so it can be used - in a `with` statement. Contributed by Giampaolo Rodola. - -- Issue #11554: Fixed support for Japanese codecs; previously the body output - encoding was not done if euc-jp or shift-jis was specified as the charset. - -- Issue #11407: `TestCase.run` returns the result object used or created. - Contributed by Janathan Hartley. - -- Issue #11500: Fixed a bug in the OS X proxy bypass code for fully qualified - IP addresses in the proxy exception list. - -- Issue #11491: dbm.error is no longer raised when dbm.open is called with - the "n" as the flag argument and the file exists. The behavior matches - the documentation and general logic. - -- Issue #1162477: Postel Principle adjustment to email date parsing: handle the - fact that some non-compliant MUAs use '.' instead of ':' in time specs. - -- Issue #11131: Fix sign of zero in decimal.Decimal plus and minus - operations when the rounding mode is ROUND_FLOOR. - -- Issue #9935: Speed up pickling of instances of user-defined classes. - -- Issue #5622: Fix curses.wrapper to raise correct exception if curses - initialization fails. - -- Issue #11408: In threading.Lock.acquire(), only call gettimeofday() when - really necessary. Patch by Charles-François Natali. - -- Issue #11391: Writing to a mmap object created with - ``mmap.PROT_READ|mmap.PROT_EXEC`` would segfault instead of raising a - TypeError. Patch by Charles-François Natali. - -- Issue #9795: add context manager protocol support for nntplib.NNTP class. - -- Issue #11306: mailbox in certain cases adapts to an inability to open - certain files in read-write mode. Previously it detected this by - checking for EACCES, now it also checks for EROFS. - -- Issue #11265: asyncore now correctly handles EPIPE, EBADF and EAGAIN errors - on accept(), send() and recv(). - -- Issue #11377: Deprecate platform.popen() and reimplement it with os.popen(). - -- Issue #8513: On UNIX, subprocess supports bytes command string. - -- Issue #10866: Add socket.sethostname(). Initial patch by Ross Lagerwall. - -- Issue #11140: Lock.release() now raises a RuntimeError when attempting - to release an unacquired lock, as claimed in the threading documentation. - The _thread.error exception is now an alias of RuntimeError. Patch by - Filip Gruszczyński. Patch for _dummy_thread by Aymeric Augustin. - -- Issue #8594: ftplib now provides a source_address parameter to specify which - (address, port) to bind to before connecting. - -- Issue #11326: Add the missing connect_ex() implementation for SSL sockets, - and make it work for non-blocking connects. - -- Issue #11297: Add collections.ChainMap(). - -- Issue #10755: Add the posix.flistdir() function. Patch by Ross Lagerwall. - -- Issue #4761: Add the ``*at()`` family of functions (openat(), etc.) to the - posix module. Patch by Ross Lagerwall. - -- Issue #7322: Trying to read from a socket's file-like object after a timeout - occurred now raises an error instead of silently losing data. - -- Issue #11291: poplib.POP no longer suppresses errors on quit(). - -- Issue #11177: asyncore's create_socket() arguments can now be omitted. - -- Issue #6064: Add a ``daemon`` keyword argument to the threading.Thread - and multiprocessing.Process constructors in order to override the - default behaviour of inheriting the daemonic property from the current - thread/process. - -- Issue #10956: Buffered I/O classes retry reading or writing after a signal - has arrived and the handler returned successfully. - -- Issue #10784: New os.getpriority() and os.setpriority() functions. - -- Issue #11114: Fix catastrophic performance of tell() on text files (up - to 1000x faster in some cases). It is still one to two order of magnitudes - slower than binary tell(). - -- Issue #10882: Add os.sendfile function. - -- Issue #10868: Allow usage of the register method of an ABC as a class - decorator. - -- Issue #11224: Fixed a regression in tarfile that affected the file-like - objects returned by TarFile.extractfile() regarding performance, memory - consumption and failures with the stream interface. - -- Issue #10924: Adding salt and Modular Crypt Format to crypt library. - Moved old C wrapper to _crypt, and added a Python wrapper with - enhanced salt generation and simpler API for password generation. - -- Issue #11074: Make 'tokenize' so it can be reloaded. - -- Issue #11085: Moved collections abstract base classes into a separate - module called collections.abc, following the pattern used by importlib.abc. - For backwards compatibility, the names are imported into the collections - module. - -- Issue #4681: Allow mmap() to work on file sizes and offsets larger than - 4GB, even on 32-bit builds. Initial patch by Ross Lagerwall, adapted for - 32-bit Windows. - -- Issue #11169: compileall module uses repr() to format filenames and paths to - escape surrogate characters and show spaces. - -- Issue #11089: Fix performance issue limiting the use of ConfigParser() - with large config files. - -- Issue #10276: Fix the results of zlib.crc32() and zlib.adler32() on buffers - larger than 4GB. Patch by Nadeem Vawda. - -- Issue #11388: Added a clear() method to MutableSequence - -- Issue #11174: Add argparse.MetavarTypeHelpFormatter, which uses type names - for the names of optional and positional arguments in help messages. - -- Issue #9348: Raise an early error if argparse nargs and metavar don't match. - -- Issue #9026: Fix order of argparse sub-commands in help messages. - -- Issue #9347: Fix formatting for tuples in argparse type= error messages. - -- Issue #12191: Added shutil.chown() to change user and/or group owner of a - given path also specifying their names. - -- Issue #13988: The _elementtree accelerator is used whenever available. - Now xml.etree.cElementTree becomes a deprecated alias to ElementTree. - -Build ------ - -- Issue #6807: Run msisupport.mak earlier. - -- Issue #10580: Minor grammar change in Windows installer. - -- Issue #13326: Clean __pycache__ directories correctly on OpenBSD. - -- PEP 393: the configure option --with-wide-unicode is removed. - -- Issue #12852: Set _XOPEN_SOURCE to 700, instead of 600, to get POSIX 2008 - functions on OpenBSD (e.g. fdopendir). - -- Issue #11863: Remove support for legacy systems deprecated in Python 3.2 - (following PEP 11). These systems are systems using Mach C Threads, - SunOS lightweight processes, GNU pth threads and IRIX threads. - -- Issue #8746: Correct faulty configure checks so that os.chflags() and - os.lchflags() are once again built on systems that support these - functions (BSD and OS X). Also add new stat file flags for OS X - (UF_HIDDEN and UF_COMPRESSED). - -- Issue #10645: Installing Python no longer creates a - Python-X.Y.Z-pyX.Y.egg-info file in the lib-dynload directory. - -- Do not accidentally include the directory containing sqlite.h twice when - building sqlite3. - -- Issue #11217: For 64-bit/32-bit Mac OS X universal framework builds, - ensure "make install" creates symlinks in --prefix bin for the "-32" - files in the framework bin directory like the installer does. - -- Issue #11347: Use --no-as-needed when linking libpython3.so. - -- Issue #11411: Fix 'make DESTDIR=' with a relative destination. - -- Issue #11268: Prevent Mac OS X Installer failure if Documentation - package had previously been installed. - -- Issue #11495: OSF support is eliminated. It was deprecated in Python 3.2. - -IDLE ----- - -- Issue #14409: IDLE now properly executes commands in the Shell window - when it cannot read the normal config files on startup and - has to use the built-in default key bindings. - There was previously a bug in one of the defaults. - -- IDLE can be launched as python -m idlelib - -- Issue #3573: IDLE hangs when passing invalid command line args - (directory(ies) instead of file(s)) (Patch by Guilherme Polo) - -- Issue #14200: IDLE shell crash on printing non-BMP unicode character. - -- Issue #5219: Prevent event handler cascade in IDLE. - -- Issue #964437: Make IDLE help window non-modal. - Patch by Guilherme Polo and Roger Serwy. - -- Issue #13933: IDLE auto-complete did not work with some imported - module, like hashlib. (Patch by Roger Serwy) - -- Issue #13506: Add '' to path for IDLE Shell when started and restarted with Restart Shell. - Original patches by Marco Scataglini and Roger Serwy. - -- Issue #4625: If IDLE cannot write to its recent file or breakpoint files, - display a message popup and continue rather than crash. Original patch by - Roger Serwy. - -- Issue #8641: Update IDLE 3 syntax coloring to recognize b".." and not u"..". - Patch by Tal Einat. - -- Issue #13296: Fix IDLE to clear compile __future__ flags on shell restart. - (Patch by Roger Serwy) - -- Issue #9871: Prevent IDLE 3 crash when given byte stings - with invalid hex escape sequences, like b'\x0'. - (Original patch by Claudiu Popa.) - -- Issue #12636: IDLE reads the coding cookie when executing a Python script. - -- Issue #12540: Prevent zombie IDLE processes on Windows due to changes - in os.kill(). - -- Issue #12590: IDLE editor window now always displays the first line - when opening a long file. With Tk 8.5, the first line was hidden. - -- Issue #11088: don't crash when using F5 to run a script in IDLE on MacOSX - with Tk 8.5. - -- Issue #1028: Tk returns invalid Unicode null in %A: UnicodeDecodeError. - With Tk < 8.5 _tkinter.c:PythonCmd() raised UnicodeDecodeError, caused - IDLE to exit. Converted to valid Unicode null in PythonCmd(). - -- Issue #11718: IDLE's open module dialog couldn't find the __init__.py - file in a package. - -Tools/Demos ------------ - -- Issue #14053: patchcheck.py ("make patchcheck") now works with MQ patches. - Patch by Francisco Martín Brugué. - -- Issue #13930: 2to3 is now able to write its converted output files to another - directory tree as well as copying unchanged files and altering the file - suffix. See its new -o, -W and --add-suffix options. This makes it more - useful in many automated code translation workflows. - -- Issue #13628: python-gdb.py is now able to retrieve more frames in the Python - traceback if Python is optimized. - -- Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and - add a smarter "py-bt" command printing a classic Python traceback. - -- Issue #11179: Make ccbench work under Python 3.1 and 2.7 again. - -- Issue #10639: reindent.py no longer converts newlines and will raise - an error if attempting to convert a file with mixed newlines. - "--newline" option added to specify new line character. - -Extension Modules ------------------ - -- Issue #16847: Fixed improper use of _PyUnicode_CheckConsistency() in - non-pydebug builds. Several extension modules now compile cleanly when - assert()s are enabled in standard builds (-DDEBUG flag). - -- Issue #13840: The error message produced by ctypes.create_string_buffer - when given a Unicode string has been fixed. - -- Issue #9975: socket: Fix incorrect use of flowinfo and scope_id. Patch by - Vilmos Nebehaj. - -- Issue #7777: socket: Add Reliable Datagram Sockets (PF_RDS) support. - -- Issue #13159: FileIO and BZ2Compressor/BZ2Decompressor now use a linear-time - buffer growth strategy instead of a quadratic-time one. - -- Issue #10141: socket: Add SocketCAN (PF_CAN) support. Initial patch by - Matthias Fuchs, updated by Tiago Gonçalves. - -- Issue #13070: Fix a crash when a TextIOWrapper caught in a reference cycle - would be finalized after the reference to its underlying BufferedRWPair's - writer got cleared by the GC. - -- Issue #12881: ctypes: Fix segfault with large structure field names. - -- Issue #13058: ossaudiodev: fix a file descriptor leak on error. Patch by - Thomas Jarosch. - -- Issue #13013: ctypes: Fix a reference leak in PyCArrayType_from_ctype. - Thanks to Suman Saha for finding the bug and providing a patch. - -- Issue #13022: Fix: _multiprocessing.recvfd() doesn't check that - file descriptor was actually received. - -- Issue #1172711: Add 'long long' support to the array module. - Initial patch by Oren Tirosh and Hirokazu Yamamoto. - -- Issue #12483: ctypes: Fix a crash when the destruction of a callback - object triggers the garbage collector. - -- Issue #12950: Fix passing file descriptors in multiprocessing, under - OpenIndiana/Illumos. - -- Issue #12764: Fix a crash in ctypes when the name of a Structure field is not - a string. - -- Issue #11241: subclasses of ctypes.Array can now be subclassed. - -- Issue #9651: Fix a crash when ctypes.create_string_buffer(0) was passed to - some functions like file.write(). - -- Issue #10309: Define _GNU_SOURCE so that mremap() gets the proper - signature. Without this, architectures where sizeof void* != sizeof int are - broken. Patch given by Hallvard B Furuseth. - -- Issue #12051: Fix segfault in json.dumps() while encoding highly-nested - objects using the C accelerations. - -- Issue #12017: Fix segfault in json.loads() while decoding highly-nested - objects using the C accelerations. - -- Issue #1838: Prevent segfault in ctypes, when _as_parameter_ on a class is set - to an instance of the class. - -Tests ------ - -- Issue #13125: Silence spurious test_lib2to3 output when in non-verbose mode. - Patch by Mikhail Novikov. - -- Issue #13447: Add a test file to host regression tests for bugs in the - scripts found in the Tools directory. - -- Issue #10881: Fix test_site failure with OS X framework builds. - -- Issue #13901: Prevent test_distutils failures on OS X with --enable-shared. - -- Issue #13862: Fix spurious failure in test_zlib due to runtime/compile time - minor versions not matching. - -- Issue #12804: Fix test_socket and test_urllib2net failures when running tests - on a system without internet access. - -- Issue #13726: Fix the ambiguous -S flag in regrtest. It is -o/--slow for slow - tests. - -- Issue #11659: Fix ResourceWarning in test_subprocess introduced by #11459. - Patch by Ben Hayden. - -- Issue #11577: fix ResourceWarning triggered by improved binhex test coverage - -- Issue #11509: Significantly increase test coverage of fileinput. - Patch by Denver Coneybeare at PyCon 2011 Sprints. - -- Issue #11689: Fix a variable scoping error in an sqlite3 test - -- Issue #13786: Remove unimplemented 'trace' long option from regrtest.py. - -- Issue #13725: Fix regrtest to recognize the documented -d flag. - Patch by Erno Tukia. - -- Issue #13304: Skip test case if user site-packages disabled (-s or - PYTHONNOUSERSITE). (Patch by Carl Meyer) - -- Issue #5661: Add a test for ECONNRESET/EPIPE handling to test_asyncore. Patch - by Xavier de Gaye. - -- Issue #13218: Fix test_ssl failures on Debian/Ubuntu. - -- Re-enable lib2to3's test_parser.py tests, though with an expected failure - (see issue #13125). - -- Issue #12656: Add tests for IPv6 and Unix sockets to test_asyncore. - -- Issue #6484: Add unit tests for mailcap module (patch by Gregory Nofi) - -- Issue #11651: Improve the Makefile test targets to run more of the test suite - more quickly. The --multiprocess option is now enabled by default, reducing - the amount of time needed to run the tests. "make test" and "make quicktest" - now include some resource-intensive tests, but no longer run the test suite - twice to check for bugs in .pyc generation. Tools/scripts/run_test.py provides - an easy platform-independent way to run test suite with sensible defaults. - -- Issue #12331: The test suite for the packaging module can now run from an - installed Python. - -- Issue #12331: The test suite for lib2to3 can now run from an installed - Python. - -- Issue #12626: In regrtest, allow to filter tests using a glob filter - with the ``-m`` (or ``--match``) option. This works with all test cases - using the unittest module. This is useful with long test suites - such as test_io or test_subprocess. - -- Issue #12624: It is now possible to fail after the first failure when - running in verbose mode (``-v`` or ``-W``), by using the ``--failfast`` - (or ``-G``) option to regrtest. This is useful with long test suites - such as test_io or test_subprocess. - -- Issue #12587: Correct faulty test file and reference in test_tokenize. - (Patch by Robert Xiao) - -- Issue #12573: Add resource checks for dangling Thread and Process objects. - -- Issue #12549: Correct test_platform to not fail when OS X returns 'x86_64' - as the processor type on some Mac systems. - -- Skip network tests when getaddrinfo() returns EAI_AGAIN, meaning a temporary - failure in name resolution. - -- Issue #11812: Solve transient socket failure to connect to 'localhost' - in test_telnetlib.py. - -- Solved a potential deadlock in test_telnetlib.py. Related to issue #11812. - -- Avoid failing in test_robotparser when mueblesmoraleda.com is flaky and - an overzealous DNS service (e.g. OpenDNS) redirects to a placeholder - Web site. - -- Avoid failing in test_urllibnet.test_bad_address when some overzealous - DNS service (e.g. OpenDNS) resolves a non-existent domain name. The test - is now skipped instead. - -- Issue #12440: When testing whether some bits in SSLContext.options can be - reset, check the version of the OpenSSL headers Python was compiled against, - rather than the runtime version of the OpenSSL library. - -- Issue #11512: Add a test suite for the cgitb module. Patch by Robbie Clemons. - -- Issue #12497: Install test/data to prevent failures of the various codecmaps - tests. - -- Issue #12496: Install test/capath directory to prevent test_connect_capath - testcase failure in test_ssl. - -- Issue #12469: Run wakeup and pending signal tests in a subprocess to run the - test in a fresh process with only one thread and to not change signal - handling of the parent process. - -- Issue #8716: Avoid crashes caused by Aqua Tk on OSX when attempting to run - test_tk or test_ttk_guionly under a username that is not currently logged - in to the console windowserver (as may be the case under buildbot or ssh). - -- Issue #12407: Explicitly skip test_capi.EmbeddingTest under Windows. - -- Issue #12400: regrtest -W doesn't rerun the tests twice anymore, but captures - the output and displays it on failure instead. regrtest -v doesn't print the - error twice anymore if there is only one error. - -- Issue #12141: Install copies of template C module file so that - test_build_ext of test_distutils and test_command_build_ext of - test_packaging are no longer silently skipped when - run outside of a build directory. - -- Issue #8746: Add additional tests for os.chflags() and os.lchflags(). - Patch by Garrett Cooper. - -- Issue #10736: Fix test_ttk test_widgets failures with Cocoa Tk 8.5.9 - 2.8+ on Mac OS X. (Patch by Ronald Oussoren) - -- Issue #12057: Add tests for ISO 2022 codecs (iso2022_jp, iso2022_jp_2, - iso2022_kr). - -- Issue #12096: Fix a race condition in test_threading.test_waitfor(). Patch - written by Charles-François Natali. - -- Issue #11614: import __hello__ prints "Hello World!". Patch written by - Andreas Stührk. - -- Issue #5723: Improve json tests to be executed with and without accelerations. - -- Issue #12041: Make test_wait3 more robust. - -- Issue #11873: Change regex in test_compileall to fix occasional failures when - when the randomly generated temporary path happened to match the regex. - -- Issue #11958: Fix FTP tests for IPv6, bind to "::1" instead of "localhost". - Patch written by Charles-Francois Natali. - -- Issue #8407, #11859: Fix tests of test_io using threads and an alarm: use - pthread_sigmask() to ensure that the SIGALRM signal is received by the main - thread. - -- Issue #11811: Factor out detection of IPv6 support on the current host - and make it available as ``test.support.IPV6_ENABLED``. Patch by - Charles-François Natali. - -- Issue #10914: Add a minimal embedding test to test_capi. - -- Issue #11223: Skip test_lock_acquire_interruption() and - test_rlock_acquire_interruption() of test_threadsignals if a thread lock is - implemented using a POSIX mutex and a POSIX condition variable. A POSIX - condition variable cannot be interrupted by a signal (e.g. on Linux, the - futex system call is restarted). - -- Issue #11790: Fix sporadic failures in test_multiprocessing.WithProcessesTestCondition. - -- Fix possible "file already exists" error when running the tests in parallel. - -- Issue #11719: Fix message about unexpected test_msilib skip on non-Windows - platforms. Patch by Nadeem Vawda. - -- Issue #11727: Add a --timeout option to regrtest: if a test takes more than - TIMEOUT seconds, dumps the traceback of all threads and exits. - -- Issue #11653: fix -W with -j in regrtest. - -- The email test suite now lives in the Lib/test/test_email package. The test - harness code has also been modernized to allow use of new unittest features. - -- regrtest now discovers test packages as well as test modules. - -- Issue #11577: improve test coverage of binhex.py. Patch by Arkady Koplyarov. - -- New test_crashers added to exercise the scripts in the Lib/test/crashers - directory and confirm they fail as expected - -- Issue #11578: added test for the timeit module. Patch by Michael Henry. - -- Issue #11503: improve test coverage of posixpath.py. Patch by Evan Dandrea. - -- Issue #11505: improves test coverage of string.py, increases granularity of - string.Formatter tests. Initial patch by Alicia Arlen. - -- Issue #11548: Improve test coverage of the shutil module. Patch by - Evan Dandrea. - -- Issue #11554: Reactivated test_email_codecs. - -- Issue #11505: improves test coverage of string.py. Patch by Alicia - Arlen - -- Issue #11490: test_subprocess.test_leaking_fds_on_error no longer gives a - false positive if the last directory in the path is inaccessible. - -- Issue #11223: Fix test_threadsignals to fail, not hang, when the - non-semaphore implementation of locks is used under POSIX. - -- Issue #10911: Add tests on CGI with non-ASCII characters. Patch written by - Pierre Quentel. - -- Issue #9931: Fix hangs in GUI tests under Windows in certain conditions. - Patch by Hirokazu Yamamoto. - -- Issue #10512: Properly close sockets under test.test_cgi. - -- Issue #10992: Make tests pass under coverage. - -- Issue #10826: Prevent sporadic failure in test_subprocess on Solaris due - to open door files. - -- Issue #10990: Prevent tests from clobbering a set trace function. - -C-API ------ - -- Issue #13452: PyUnicode_EncodeDecimal() doesn't support error handlers - different than "strict" anymore. The caller was unable to compute the - size of the output buffer: it depends on the error handler. - -- Issue #13560: Add PyUnicode_DecodeLocale(), PyUnicode_DecodeLocaleAndSize() - and PyUnicode_EncodeLocale() functions to the C API to decode/encode from/to - the current locale encoding. - -- Issue #10831: PyUnicode_FromFormat() supports %li, %lli and %zi formats. - -- Issue #11246: Fix PyUnicode_FromFormat("%V") to decode the byte string from - UTF-8 (with replace error handler) instead of ISO-8859-1 (in strict mode). - Patch written by Ray Allen. - -- Issue #10830: Fix PyUnicode_FromFormatV("%c") for non-BMP characters on - narrow build. - -- Add PyObject_GenericGetDict and PyObject_GeneriSetDict. They are generic - implementations for the getter and setter of a ``__dict__`` descriptor of C - types. - -- Issue #13727: Add 3 macros to access PyDateTime_Delta members: - PyDateTime_DELTA_GET_DAYS, PyDateTime_DELTA_GET_SECONDS, - PyDateTime_DELTA_GET_MICROSECONDS. - -- Issue #10542: Add 4 macros to work with surrogates: Py_UNICODE_IS_SURROGATE, - Py_UNICODE_IS_HIGH_SURROGATE, Py_UNICODE_IS_LOW_SURROGATE, - Py_UNICODE_JOIN_SURROGATES. - -- Issue #12724: Add Py_RETURN_NOTIMPLEMENTED macro for returning NotImplemented. - -- PY_PATCHLEVEL_REVISION has been removed, since it's meaningless with - Mercurial. - -- Issue #12173: The first argument of PyImport_ImportModuleLevel is now `const - char *` instead of `char *`. - -- Issue #12380: PyArg_ParseTuple now accepts a bytearray for the 'c' format. - -Documentation -------------- - -- Issue #23006: Improve the documentation and indexing of dict.__missing__. - Add an entry in the language datamodel special methods section. - Revise and index its discussion in the stdtypes mapping/dict section. - -- Issue #13989: Document that GzipFile does not support text mode, and give a - more helpful error message when opened with an invalid mode string. - -- Issue #13921: Undocument and clean up sqlite3.OptimizedUnicode, - which is obsolete in Python 3.x. It's now aliased to str for - backwards compatibility. - -- Issue #12102: Document that buffered files must be flushed before being used - with mmap. Patch by Steffen Daode Nurpmeso. - -- Issue #8982: Improve the documentation for the argparse Namespace object. - -- Issue #9343: Document that argparse parent parsers must be configured before - their children. - -- Issue #13498: Clarify docs of os.makedirs()'s exist_ok argument. Done with - great native-speaker help from R. David Murray. - -- Issues #13491 and #13995: Fix many errors in sqlite3 documentation. - Initial patch for #13491 by Johannes Vogel. - -- Issue #13402: Document absoluteness of sys.executable. - -- Issue #13883: PYTHONCASEOK also works on OS X. - -- Issue #9021: Add an introduction to the copy module documentation. - -- Issue #6005: Examples in the socket library documentation use sendall, where - relevant, instead send method. - -- Issue #12798: Updated the mimetypes documentation. - -- Issue #12949: Document the kwonlyargcount argument for the PyCode_New - C API function. - -- Issue #13513: Fix io.IOBase documentation to correctly link to the - io.IOBase.readline method instead of the readline module. - -- Issue #13237: Reorganise subprocess documentation to emphasise convenience - functions and the most commonly needed arguments to Popen. - -- Issue #13141: Demonstrate recommended style for socketserver examples. - -- Issue #11818: Fix tempfile examples for Python 3. - - -**(For information about older versions, consult the HISTORY file.)** diff --git a/Misc/NEWS.d/3.3.0.rst b/Misc/NEWS.d/3.3.0.rst new file mode 100644 index 000000000000..7301131b9df7 --- /dev/null +++ b/Misc/NEWS.d/3.3.0.rst @@ -0,0 +1,27 @@ +.. bpo: 16046 +.. date: 7992 +.. nonce: 3_BLo_ +.. release date: 29-Sep-2012 +.. section: Core and Builtins + +Fix loading sourceless legacy .pyo files. + +.. + +.. bpo: 16060 +.. date: 7991 +.. nonce: u00uiP +.. section: Core and Builtins + +Fix refcounting bug when `__trunc__()` returns an object whose `__int__()` +gives a non-integer. Patch by Serhiy Storchaka. + +.. + +.. bpo: 16012 +.. date: 7990 +.. nonce: A0Dlk_ +.. section: Library + +Fix a regression in pyexpat. The parser's `UseForeignDTD()` method doesn't +require an argument again. diff --git a/Misc/NEWS.d/3.3.0a1.rst b/Misc/NEWS.d/3.3.0a1.rst new file mode 100644 index 000000000000..c1185ec095b3 --- /dev/null +++ b/Misc/NEWS.d/3.3.0a1.rst @@ -0,0 +1,7646 @@ +.. bpo: 14172 +.. date: 7489 +.. nonce: EIbdxW +.. release date: 05-Mar-2012 +.. section: Core and Builtins + +Fix reference leak when marshalling a buffer-like object (other than a bytes +object). + +.. + +.. bpo: 13521 +.. date: 7488 +.. nonce: L_inbK +.. section: Core and Builtins + +dict.setdefault() now does only one lookup for the given key, making it +"atomic" for many purposes. Patch by Filip Gruszczyński. + +.. + +.. bpo: 0 +.. date: 7487 +.. nonce: Y9s9QE +.. section: Core and Builtins + +PEP 409, Issue #6210: "raise X from None" is now supported as a means of +suppressing the display of the chained exception context. The chained +context still remains available as the __context__ attribute. + +.. + +.. bpo: 10181 +.. date: 7486 +.. nonce: QFiREN +.. section: Core and Builtins + +New memoryview implementation fixes multiple ownership and lifetime issues +of dynamically allocated Py_buffer members (#9990) as well as crashes +(#8305, #7433). Many new features have been added (See whatsnew/3.3), and +the documentation has been updated extensively. The ndarray test object from +_testbuffer.c implements all aspects of PEP-3118, so further development +towards the complete implementation of the PEP can proceed in a test-driven +manner. + +Thanks to Nick Coghlan, Antoine Pitrou and Pauli Virtanen for review and +many ideas. + +.. + +.. bpo: 12834 +.. date: 7485 +.. nonce: lZTD8W +.. section: Core and Builtins + +Fix incorrect results of memoryview.tobytes() for non-contiguous arrays. + +.. + +.. bpo: 5231 +.. date: 7484 +.. nonce: 7QZAi1 +.. section: Core and Builtins + +Introduce memoryview.cast() method that allows changing format and shape +without making a copy of the underlying memory. + +.. + +.. bpo: 14084 +.. date: 7483 +.. nonce: VVBkOk +.. section: Core and Builtins + +Fix a file descriptor leak when importing a module with a bad encoding. + +.. + +.. bpo: 0 +.. date: 7482 +.. nonce: BPfFYz +.. section: Core and Builtins + +Upgrade Unicode data to Unicode 6.1. + +.. + +.. bpo: 14040 +.. date: 7481 +.. nonce: PgP41A +.. section: Core and Builtins + +Remove rarely used file name suffixes for C extensions (under POSIX mainly). + +.. + +.. bpo: 14051 +.. date: 7480 +.. nonce: a174tR +.. section: Core and Builtins + +Allow arbitrary attributes to be set of classmethod and staticmethod. + +.. + +.. bpo: 13703 +.. date: 7479 +.. nonce: bP-Abj +.. section: Core and Builtins + +oCERT-2011-003: Randomize hashes of str and bytes to protect against denial +of service attacks due to hash collisions within the dict and set types. +Patch by David Malcolm, based on work by Victor Stinner. + +.. + +.. bpo: 13020 +.. date: 7478 +.. nonce: 7y51PJ +.. section: Core and Builtins + +Fix a reference leak when allocating a structsequence object fails. Patch +by Suman Saha. + +.. + +.. bpo: 13908 +.. date: 7477 +.. nonce: gY7-0t +.. section: Core and Builtins + +Ready types returned from PyType_FromSpec. + +.. + +.. bpo: 11235 +.. date: 7476 +.. nonce: 6wzkv- +.. section: Core and Builtins + +Fix OverflowError when trying to import a source file whose modification +time doesn't fit in a 32-bit timestamp. + +.. + +.. bpo: 12705 +.. date: 7475 +.. nonce: E1UO3x +.. section: Core and Builtins + +A SyntaxError exception is now raised when attempting to compile multiple +statements as a single interactive statement. + +.. + +.. bpo: 0 +.. date: 7474 +.. nonce: URLqbf +.. section: Core and Builtins + +Fix the builtin module initialization code to store the init function for +future reinitialization. + +.. + +.. bpo: 8052 +.. date: 7473 +.. nonce: i5F_0O +.. section: Core and Builtins + +The posix subprocess module would take a long time closing all possible file +descriptors in the child process rather than just open file descriptors. It +now closes only the open fds if possible for the default close_fds=True +behavior. + +.. + +.. bpo: 13629 +.. date: 7472 +.. nonce: ZzOj6B +.. section: Core and Builtins + +Renumber the tokens in token.h so that they match the indexes into +_PyParser_TokenNames. + +.. + +.. bpo: 13752 +.. date: 7471 +.. nonce: zb4RK_ +.. section: Core and Builtins + +Add a casefold() method to str. + +.. + +.. bpo: 13761 +.. date: 7470 +.. nonce: ZkU_de +.. section: Core and Builtins + +Add a "flush" keyword argument to the print() function, used to ensure +flushing the output stream. + +.. + +.. bpo: 13645 +.. date: 7469 +.. nonce: 7elNwY +.. section: Core and Builtins + +pyc files now contain the size of the corresponding source code, to avoid +timestamp collisions (especially on filesystems with a low timestamp +resolution) when checking for freshness of the bytecode. + +.. + +.. bpo: 0 +.. date: 7468 +.. nonce: PaHwFO +.. section: Core and Builtins + +PEP 380, Issue #11682: Add "yield from " to support easy delegation to +subgenerators (initial patch by Greg Ewing, integration into 3.3 by Renaud +Blanch, Ryan Kelly, Zbigniew Jędrzejewski-Szmek and Nick Coghlan) + +.. + +.. bpo: 13748 +.. date: 7467 +.. nonce: n9rlfR +.. section: Core and Builtins + +Raw bytes literals can now be written with the ``rb`` prefix as well as +``br``. + +.. + +.. bpo: 12736 +.. date: 7466 +.. nonce: l91PiA +.. section: Core and Builtins + +Use full unicode case mappings for upper, lower, and title case. + +.. + +.. bpo: 12760 +.. date: 7465 +.. nonce: ao9dmi +.. section: Core and Builtins + +Add a create mode to open(). Patch by David Townshend. + +.. + +.. bpo: 13738 +.. date: 7464 +.. nonce: M9VOMZ +.. section: Core and Builtins + +Simplify implementation of bytes.lower() and bytes.upper(). + +.. + +.. bpo: 13577 +.. date: 7463 +.. nonce: r9XUQK +.. section: Core and Builtins + +Built-in methods and functions now have a __qualname__. Patch by sbt. + +.. + +.. bpo: 6695 +.. date: 7462 +.. nonce: SH6ELR +.. section: Core and Builtins + +Full garbage collection runs now clear the freelist of set objects. Initial +patch by Matthias Troffaes. + +.. + +.. bpo: 0 +.. date: 7461 +.. nonce: tPq2HD +.. section: Core and Builtins + +Fix OSError.__init__ and OSError.__new__ so that each of them can be +overriden and take additional arguments (followup to issue #12555). + +.. + +.. bpo: 0 +.. date: 7460 +.. nonce: 2J4kRL +.. section: Core and Builtins + +Fix the fix for issue #12149: it was incorrect, although it had the side +effect of appearing to resolve the issue. Thanks to Mark Shannon for +noticing. + +.. + +.. bpo: 13505 +.. date: 7459 +.. nonce: -fVx4a +.. section: Core and Builtins + +Pickle bytes objects in a way that is compatible with Python 2 when using +protocols <= 2. + +.. + +.. bpo: 11147 +.. date: 7458 +.. nonce: GGZMRG +.. section: Core and Builtins + +Fix an unused argument in _Py_ANNOTATE_MEMORY_ORDER. (Fix given by Campbell +Barton). + +.. + +.. bpo: 13503 +.. date: 7457 +.. nonce: CguNef +.. section: Core and Builtins + +Use a more efficient reduction format for bytearrays with pickle protocol >= +3. The old reduction format is kept with older protocols in order to allow +unpickling under Python 2. Patch by Irmen de Jong. + +.. + +.. bpo: 7111 +.. date: 7456 +.. nonce: jT9r7r +.. section: Core and Builtins + +Python can now be run without a stdin, stdout or stderr stream. It was +already the case with Python 2. However, the corresponding sys module +entries are now set to None (instead of an unusable file object). + +.. + +.. bpo: 11849 +.. date: 7455 +.. nonce: CGVEGl +.. section: Core and Builtins + +Ensure that free()d memory arenas are really released on POSIX systems +supporting anonymous memory mappings. Patch by Charles-François Natali. + +.. + +.. bpo: 0 +.. date: 7454 +.. nonce: Qf63qA +.. section: Core and Builtins + +PEP 3155 / issue #13448: Qualified name for classes and functions. + +.. + +.. bpo: 13436 +.. date: 7453 +.. nonce: aJdgA5 +.. section: Core and Builtins + +Fix a bogus error message when an AST object was passed an invalid integer +value. + +.. + +.. bpo: 13411 +.. date: 7452 +.. nonce: ck2a71 +.. section: Core and Builtins + +memoryview objects are now hashable when the underlying object is hashable. + +.. + +.. bpo: 13338 +.. date: 7451 +.. nonce: FFZr2K +.. section: Core and Builtins + +Handle all enumerations in _Py_ANNOTATE_MEMORY_ORDER to allow compiling +extension modules with -Wswitch-enum on gcc. Initial patch by Floris +Bruynooghe. + +.. + +.. bpo: 10227 +.. date: 7450 +.. nonce: 3RxtLE +.. section: Core and Builtins + +Add an allocation cache for a single slice object. Patch by Stefan Behnel. + +.. + +.. bpo: 13393 +.. date: 7449 +.. nonce: e0t8-t +.. section: Core and Builtins + +BufferedReader.read1() now asks the full requested size to the raw stream +instead of limiting itself to the buffer size. + +.. + +.. bpo: 13392 +.. date: 7448 +.. nonce: Vo4LlN +.. section: Core and Builtins + +Writing a pyc file should now be atomic under Windows as well. + +.. + +.. bpo: 13333 +.. date: 7447 +.. nonce: jkzjPN +.. section: Core and Builtins + +The UTF-7 decoder now accepts lone surrogates (the encoder already accepts +them). + +.. + +.. bpo: 13389 +.. date: 7446 +.. nonce: XpcClS +.. section: Core and Builtins + +Full garbage collection passes now clear the freelists for list and dict +objects. They already cleared other freelists in the interpreter. + +.. + +.. bpo: 13327 +.. date: 7445 +.. nonce: IrE-_j +.. section: Core and Builtins + +Remove the need for an explicit None as the second argument to os.utime, +os.lutimes, os.futimes, os.futimens, os.futimesat, in order to update to the +current time. Also added keyword argument handling to os.utimensat in order +to remove the need for explicit None. + +.. + +.. bpo: 13350 +.. date: 7444 +.. nonce: IYeSXA +.. section: Core and Builtins + +Simplify some C code by replacing most usages of PyUnicode_Format by +PyUnicode_FromFormat. + +.. + +.. bpo: 13342 +.. date: 7443 +.. nonce: _ddnpI +.. section: Core and Builtins + +input() used to ignore sys.stdin's and sys.stdout's unicode error handler in +interactive mode (when calling into PyOS_Readline()). + +.. + +.. bpo: 9896 +.. date: 7442 +.. nonce: xYsm94 +.. section: Core and Builtins + +Add start, stop, and step attributes to range objects. + +.. + +.. bpo: 13343 +.. date: 7441 +.. nonce: rrKCUj +.. section: Core and Builtins + +Fix a SystemError when a lambda expression uses a global variable in the +default value of a keyword-only argument: ``lambda *, arg=GLOBAL_NAME: +None`` + +.. + +.. bpo: 12797 +.. date: 7440 +.. nonce: Bx-Rhh +.. section: Core and Builtins + +Added custom opener parameter to builtin open() and FileIO.open(). + +.. + +.. bpo: 10519 +.. date: 7439 +.. nonce: vnPUhZ +.. section: Core and Builtins + +Avoid unnecessary recursive function calls in setobject.c. + +.. + +.. bpo: 10363 +.. date: 7438 +.. nonce: Sa4BVo +.. section: Core and Builtins + +Deallocate global locks in Py_Finalize(). + +.. + +.. bpo: 13018 +.. date: 7437 +.. nonce: WRySxn +.. section: Core and Builtins + +Fix reference leaks in error paths in dictobject.c. Patch by Suman Saha. + +.. + +.. bpo: 13201 +.. date: 7436 +.. nonce: sAT1nr +.. section: Core and Builtins + +Define '==' and '!=' to compare range objects based on the sequence of +values they define (instead of comparing based on object identity). + +.. + +.. bpo: 1294232 +.. date: 7435 +.. nonce: G92P2p +.. section: Core and Builtins + +In a few cases involving metaclass inheritance, the interpreter would +sometimes invoke the wrong metaclass when building a new class object. These +cases now behave correctly. Patch by Daniel Urban. + +.. + +.. bpo: 12753 +.. date: 7434 +.. nonce: jEQ_Mi +.. section: Core and Builtins + +Add support for Unicode name aliases and named sequences. Both +``unicodedata.lookup()`` and '\N{...}' now resolve aliases, and +``unicodedata.lookup()`` resolves named sequences too. + +.. + +.. bpo: 12170 +.. date: 7433 +.. nonce: gjr_dY +.. section: Core and Builtins + +The count(), find(), rfind(), index() and rindex() methods of bytes and +bytearray objects now accept an integer between 0 and 255 as their first +argument. Patch by Petri Lehtinen. + +.. + +.. bpo: 12604 +.. date: 7432 +.. nonce: dDegux +.. section: Core and Builtins + +VTRACE macro expanded to no-op in _sre.c to avoid compiler warnings. Patch +by Josh Triplett and Petri Lehtinen. + +.. + +.. bpo: 12281 +.. date: 7431 +.. nonce: HflTkX +.. section: Core and Builtins + +Rewrite the MBCS codec to handle correctly replace and ignore error handlers +on all Windows versions. The MBCS codec is now supporting all error +handlers, instead of only replace to encode and ignore to decode. + +.. + +.. bpo: 13188 +.. date: 7430 +.. nonce: L3o2X6 +.. section: Core and Builtins + +When called without an explicit traceback argument, generator.throw() now +gets the traceback from the passed exception's ``__traceback__`` attribute. +Patch by Petri Lehtinen. + +.. + +.. bpo: 13146 +.. date: 7429 +.. nonce: DVyExe +.. section: Core and Builtins + +Writing a pyc file is now atomic under POSIX. + +.. + +.. bpo: 7833 +.. date: 7428 +.. nonce: NcSnnJ +.. section: Core and Builtins + +Extension modules built using distutils on Windows will no longer include a +"manifest" to prevent them failing at import time in some embedded +situations. + +.. + +.. bpo: 0 +.. date: 7427 +.. nonce: cOixWQ +.. section: Core and Builtins + +PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy. + +.. + +.. bpo: 0 +.. date: 7426 +.. nonce: jCkmJ2 +.. section: Core and Builtins + +Add internal API for static strings (_Py_identifier et al.). + +.. + +.. bpo: 13063 +.. date: 7425 +.. nonce: M1ythv +.. section: Core and Builtins + +the Windows error ERROR_NO_DATA (numbered 232 and described as "The pipe is +being closed") is now mapped to POSIX errno EPIPE (previously EINVAL). + +.. + +.. bpo: 12911 +.. date: 7424 +.. nonce: eaStd5 +.. section: Core and Builtins + +Fix memory consumption when calculating the repr() of huge tuples or lists. + +.. + +.. bpo: 0 +.. date: 7423 +.. nonce: TX076B +.. section: Core and Builtins + +PEP 393: flexible string representation. Thanks to Torsten Becker for the +initial implementation, and Victor Stinner for various bug fixes. + +.. + +.. bpo: 14081 +.. date: 7422 +.. nonce: RCvMnQ +.. section: Core and Builtins + +The 'sep' and 'maxsplit' parameter to str.split, bytes.split, and +bytearray.split may now be passed as keyword arguments. + +.. + +.. bpo: 13012 +.. date: 7421 +.. nonce: Pgdzzz +.. section: Core and Builtins + +The 'keepends' parameter to str.splitlines may now be passed as a keyword +argument: "my_string.splitlines(keepends=True)". The same change also +applies to bytes.splitlines and bytearray.splitlines. + +.. + +.. bpo: 7732 +.. date: 7420 +.. nonce: lvOdIm +.. section: Core and Builtins + +Don't open a directory as a file anymore while importing a module. Ignore +the direcotry if its name matchs the module name (e.g. "__init__.py") and +raise a ImportError instead. + +.. + +.. bpo: 13021 +.. date: 7419 +.. nonce: Trg0Hn +.. section: Core and Builtins + +Missing decref on an error path. Thanks to Suman Saha for finding the bug +and providing a patch. + +.. + +.. bpo: 12973 +.. date: 7418 +.. nonce: e4aYqm +.. section: Core and Builtins + +Fix overflow checks that relied on undefined behaviour in list_repeat +(listobject.c) and islice_next (itertoolsmodule.c). These bugs caused test +failures with recent versions of Clang. + +.. + +.. bpo: 12904 +.. date: 7417 +.. nonce: qJIaiS +.. section: Core and Builtins + +os.utime, os.futimes, os.lutimes, and os.futimesat now write atime and mtime +with nanosecond precision on modern POSIX platforms. + +.. + +.. bpo: 12802 +.. date: 7416 +.. nonce: 4d4MIG +.. section: Core and Builtins + +the Windows error ERROR_DIRECTORY (numbered 267) is now mapped to POSIX +errno ENOTDIR (previously EINVAL). + +.. + +.. bpo: 9200 +.. date: 7415 +.. nonce: a9QbTm +.. section: Core and Builtins + +The str.is* methods now work with strings that contain non-BMP characters +even in narrow Unicode builds. + +.. + +.. bpo: 12791 +.. date: 7414 +.. nonce: iYGwxc +.. section: Core and Builtins + +Break reference cycles early when a generator exits with an exception. + +.. + +.. bpo: 12773 +.. date: 7413 +.. nonce: cLC6Zy +.. section: Core and Builtins + +Make __doc__ mutable on user-defined classes. + +.. + +.. bpo: 12766 +.. date: 7412 +.. nonce: eWT3Pm +.. section: Core and Builtins + +Raise a ValueError when creating a class with a class variable that +conflicts with a name in __slots__. + +.. + +.. bpo: 12266 +.. date: 7411 +.. nonce: SifsgD +.. section: Core and Builtins + +Fix str.capitalize() to correctly uppercase/lowercase titlecased and cased +non-letter characters. + +.. + +.. bpo: 12732 +.. date: 7410 +.. nonce: x8wK_7 +.. section: Core and Builtins + +In narrow unicode builds, allow Unicode identifiers which fall outside the +BMP. + +.. + +.. bpo: 12575 +.. date: 7409 +.. nonce: gwHPe_ +.. section: Core and Builtins + +Validate user-generated AST before it is compiled. + +.. + +.. bpo: 0 +.. date: 7408 +.. nonce: ySbpe4 +.. section: Core and Builtins + +Make type(None), type(Ellipsis), and type(NotImplemented) callable. They +return the respective singleton instances. + +.. + +.. bpo: 0 +.. date: 7407 +.. nonce: hMvppx +.. section: Core and Builtins + +Forbid summing bytes with sum(). + +.. + +.. bpo: 0 +.. date: 7406 +.. nonce: ekK5i_ +.. section: Core and Builtins + +Verify the types of AST strings and identifiers provided by the user before +compiling them. + +.. + +.. bpo: 12647 +.. date: 7405 +.. nonce: uFzi8V +.. section: Core and Builtins + +The None object now has a __bool__() method that returns False. Formerly, +bool(None) returned False only because of special case logic in +PyObject_IsTrue(). + +.. + +.. bpo: 12579 +.. date: 7404 +.. nonce: 1IV9fF +.. section: Core and Builtins + +str.format_map() now raises a ValueError if used on a format string that +contains positional fields. Initial patch by Julian Berman. + +.. + +.. bpo: 10271 +.. date: 7403 +.. nonce: IgMmt7 +.. section: Core and Builtins + +Allow warnings.showwarning() be any callable. + +.. + +.. bpo: 11627 +.. date: 7402 +.. nonce: ytCeOw +.. section: Core and Builtins + +Fix segfault when __new__ on a exception returns a non-exception class. + +.. + +.. bpo: 12149 +.. date: 7401 +.. nonce: Hjc2bt +.. section: Core and Builtins + +Update the method cache after a type's dictionary gets cleared by the +garbage collector. This fixes a segfault when an instance and its type get +caught in a reference cycle, and the instance's deallocator calls one of the +methods on the type (e.g. when subclassing IOBase). Diagnosis and patch by +Davide Rizzo. + +.. + +.. bpo: 9611 +.. date: 7400 +.. nonce: CZATl_ +.. section: Core and Builtins + +FileIO.read() clamps the length to INT_MAX on Windows. (See also: bpo-9015) + +.. + +.. bpo: 9642 +.. date: 7399 +.. nonce: v4SQuc +.. section: Core and Builtins + +Uniformize the tests on the availability of the mbcs codec, add a new +HAVE_MBCS define. + +.. + +.. bpo: 9642 +.. date: 7398 +.. nonce: 0y1U2x +.. section: Core and Builtins + +Fix filesystem encoding initialization: use the ANSI code page on Windows if +the mbcs codec is not available, and fail with a fatal error if we cannot +get the locale encoding (if nl_langinfo(CODESET) is not available) instead +of using UTF-8. + +.. + +.. bpo: 0 +.. date: 7397 +.. nonce: 4EZiX- +.. section: Core and Builtins + +When a generator yields, do not retain the caller's exception state on the +generator. + +.. + +.. bpo: 12475 +.. date: 7396 +.. nonce: lTWJoJ +.. section: Core and Builtins + +Prevent generators from leaking their exception state into the caller's +frame as they return for the last time. + +.. + +.. bpo: 12291 +.. date: 7395 +.. nonce: cXyNIL +.. section: Core and Builtins + +You can now load multiple marshalled objects from a stream, with other data +interleaved between marshalled objects. + +.. + +.. bpo: 12356 +.. date: 7394 +.. nonce: yh7hqW +.. section: Core and Builtins + +When required positional or keyword-only arguments are not given, produce a +informative error message which includes the name(s) of the missing +arguments. + +.. + +.. bpo: 12370 +.. date: 7393 +.. nonce: qKZlUk +.. section: Core and Builtins + +Fix super with no arguments when __class__ is overriden in the class body. + +.. + +.. bpo: 12084 +.. date: 7392 +.. nonce: n1GJBF +.. section: Core and Builtins + +os.stat on Windows now works properly with relative symbolic links when +called from any directory. + +.. + +.. bpo: 0 +.. date: 7391 +.. nonce: rqj-q7 +.. section: Core and Builtins + +Loosen type restrictions on the __dir__ method. __dir__ can now return any +sequence, which will be converted to a list and sorted by dir(). + +.. + +.. bpo: 12265 +.. date: 7390 +.. nonce: I2_oGy +.. section: Core and Builtins + +Make error messages produced by passing an invalid set of arguments to a +function more informative. + +.. + +.. bpo: 12225 +.. date: 7389 +.. nonce: VVvUqO +.. section: Core and Builtins + +Still allow Python to build if Python is not in its hg repo or mercurial is +not installed. + +.. + +.. bpo: 1195 +.. date: 7388 +.. nonce: Tp_J8Y +.. section: Core and Builtins + +my_fgets() now always clears errors before calling fgets(). Fix the +following case: sys.stdin.read() stopped with CTRL+d (end of file), +raw_input() interrupted by CTRL+c. + +.. + +.. bpo: 12216 +.. date: 7387 +.. nonce: Edw6xv +.. section: Core and Builtins + +Allow unexpected EOF errors to happen on any line of the file. + +.. + +.. bpo: 12199 +.. date: 7386 +.. nonce: oPGGQc +.. section: Core and Builtins + +The TryExcept and TryFinally and AST nodes have been unified into a Try +node. + +.. + +.. bpo: 9670 +.. date: 7385 +.. nonce: D4p50W +.. section: Core and Builtins + +Increase the default stack size for secondary threads on Mac OS X and +FreeBSD to reduce the chances of a crash instead of a "maximum recursion +depth" RuntimeError exception. (patch by Ronald Oussoren) + +.. + +.. bpo: 12106 +.. date: 7384 +.. nonce: 9GzRO0 +.. section: Core and Builtins + +The use of the multiple-with shorthand syntax is now reflected in the AST. + +.. + +.. bpo: 12190 +.. date: 7383 +.. nonce: riY6Gl +.. section: Core and Builtins + +Try to use the same filename object when compiling unmarshalling a code +objects in the same file. + +.. + +.. bpo: 12166 +.. date: 7382 +.. nonce: na7Vys +.. section: Core and Builtins + +Move implementations of dir() specialized for various types into the +__dir__() methods of those types. + +.. + +.. bpo: 5715 +.. date: 7381 +.. nonce: Vs9Y33 +.. section: Core and Builtins + +In socketserver, close the server socket in the child process. + +.. + +.. bpo: 0 +.. date: 7380 +.. nonce: n-R2nr +.. section: Core and Builtins + +Correct lookup of __dir__ on objects. Among other things, this causes errors +besides AttributeError found on lookup to be propagated. + +.. + +.. bpo: 12060 +.. date: 7379 +.. nonce: g_FUU8 +.. section: Core and Builtins + +Use sig_atomic_t type and volatile keyword in the signal module. Patch +written by Charles-François Natali. + +.. + +.. bpo: 1746656 +.. date: 7378 +.. nonce: tqS2BI +.. section: Core and Builtins + +Added the if_nameindex, if_indextoname, if_nametoindex methods to the socket +module. + +.. + +.. bpo: 12044 +.. date: 7377 +.. nonce: BmuRsU +.. section: Core and Builtins + +Fixed subprocess.Popen when used as a context manager to wait for the +process to end when exiting the context to avoid unintentionally leaving +zombie processes around. + +.. + +.. bpo: 1195 +.. date: 7376 +.. nonce: rUvlec +.. section: Core and Builtins + +Fix input() if it is interrupted by CTRL+d and then CTRL+c, clear the end- +of-file indicator after CTRL+d. + +.. + +.. bpo: 1856 +.. date: 7375 +.. nonce: rNKlZ0 +.. section: Core and Builtins + +Avoid crashes and lockups when daemon threads run while the interpreter is +shutting down; instead, these threads are now killed when they try to take +the GIL. + +.. + +.. bpo: 9756 +.. date: 7374 +.. nonce: L962XN +.. section: Core and Builtins + +When calling a method descriptor or a slot wrapper descriptor, the check of +the object type doesn't read the __class__ attribute anymore. Fix a crash if +a class override its __class__ attribute (e.g. a proxy of the str type). +Patch written by Andreas Stührk. + +.. + +.. bpo: 10517 +.. date: 7373 +.. nonce: eHRgPe +.. section: Core and Builtins + +After fork(), reinitialize the TLS used by the PyGILState_* APIs, to avoid a +crash with the pthread implementation in RHEL 5. Patch by Charles-François +Natali. + +.. + +.. bpo: 10914 +.. date: 7372 +.. nonce: awEeE9 +.. section: Core and Builtins + +Initialize correctly the filesystem codec when creating a new subinterpreter +to fix a bootstrap issue with codecs implemented in Python, as the +ISO-8859-15 codec. + +.. + +.. bpo: 11918 +.. date: 7371 +.. nonce: yWsyik +.. section: Core and Builtins + +OS/2 and VMS are no more supported because of the lack of maintainer. + +.. + +.. bpo: 6780 +.. date: 7370 +.. nonce: MS1yFK +.. section: Core and Builtins + +fix starts/endswith error message to mention that tuples are accepted too. + +.. + +.. bpo: 5057 +.. date: 7369 +.. nonce: IXmDaW +.. section: Core and Builtins + +fix a bug in the peepholer that led to non-portable pyc files between narrow +and wide builds while optimizing BINARY_SUBSCR on non-BMP chars (e.g. +"\U00012345"[0]). + +.. + +.. bpo: 11845 +.. date: 7368 +.. nonce: ngWKb1 +.. section: Core and Builtins + +Fix typo in rangeobject.c that caused a crash in compute_slice_indices. +Patch by Daniel Urban. + +.. + +.. bpo: 5673 +.. date: 7367 +.. nonce: dGp29g +.. section: Core and Builtins + +Added a `timeout` keyword argument to subprocess.Popen.wait, +subprocess.Popen.communicated, subprocess.call, subprocess.check_call, and +subprocess.check_output. If the blocking operation takes more than +`timeout` seconds, the `subprocess.TimeoutExpired` exception is raised. + +.. + +.. bpo: 11650 +.. date: 7366 +.. nonce: r47Jvk +.. section: Core and Builtins + +PyOS_StdioReadline() retries fgets() if it was interrupted (EINTR), for +example if the program is stopped with CTRL+z on Mac OS X. Patch written by +Charles-Francois Natali. + +.. + +.. bpo: 9319 +.. date: 7365 +.. nonce: 5iFHdl +.. section: Core and Builtins + +Include the filename in "Non-UTF8 code ..." syntax error. + +.. + +.. bpo: 10785 +.. date: 7364 +.. nonce: KbV-Sq +.. section: Core and Builtins + +Store the filename as Unicode in the Python parser. + +.. + +.. bpo: 11619 +.. date: 7363 +.. nonce: EpEKh2 +.. section: Core and Builtins + +_PyImport_LoadDynamicModule() doesn't encode the path to bytes on Windows. + +.. + +.. bpo: 10998 +.. date: 7362 +.. nonce: icOAMv +.. section: Core and Builtins + +Remove mentions of -Q, sys.flags.division_warning and Py_DivisionWarningFlag +left over from Python 2. + +.. + +.. bpo: 11244 +.. date: 7361 +.. nonce: TiVSZZ +.. section: Core and Builtins + +Remove an unnecessary peepholer check that was preventing negative zeros +from being constant-folded properly. + +.. + +.. bpo: 11395 +.. date: 7360 +.. nonce: Vuabxg +.. section: Core and Builtins + +io.FileIO().write() clamps the data length to 32,767 bytes on Windows if the +file is a TTY to workaround a Windows bug. The Windows console returns an +error (12: not enough space error) on writing into stdout if stdout mode is +binary and the length is greater than 66,000 bytes (or less, depending on +heap usage). + +.. + +.. bpo: 11320 +.. date: 7359 +.. nonce: -ThQCa +.. section: Core and Builtins + +fix bogus memory management in Modules/getpath.c, leading to a possible +crash when calling Py_SetPath(). + +.. + +.. bpo: 11432 +.. date: 7358 +.. nonce: BDhvsw +.. section: Core and Builtins + +A bug was introduced in subprocess.Popen on posix systems with 3.2.0 where +the stdout or stderr file descriptor being the same as the stdin file +descriptor would raise an exception. webbrowser.open would fail. fixed. + +.. + +.. bpo: 9856 +.. date: 7357 +.. nonce: i962fk +.. section: Core and Builtins + +Change object.__format__ with a non-empty format string to be a +DeprecationWarning. In 3.2 it was a PendingDeprecationWarning. In 3.4 it +will be a TypeError. + +.. + +.. bpo: 11244 +.. date: 7356 +.. nonce: lpiV2g +.. section: Core and Builtins + +The peephole optimizer is now able to constant-fold arbitrarily complex +expressions. This also fixes a 3.2 regression where operations involving +negative numbers were not constant-folded. + +.. + +.. bpo: 11450 +.. date: 7355 +.. nonce: ulI9xJ +.. section: Core and Builtins + +Don't truncate hg version info in Py_GetBuildInfo() when there are many tags +(e.g. when using mq). Patch by Nadeem Vawda. + +.. + +.. bpo: 11335 +.. date: 7354 +.. nonce: zNrvqZ +.. section: Core and Builtins + +Fixed a memory leak in list.sort when the key function throws an exception. + +.. + +.. bpo: 8923 +.. date: 7353 +.. nonce: Z1M55I +.. section: Core and Builtins + +When a string is encoded to UTF-8 in strict mode, the result is cached into +the object. Examples: str.encode(), str.encode('utf-8'), +PyUnicode_AsUTF8String() and PyUnicode_AsEncodedString(unicode, "utf-8", +NULL). + +.. + +.. bpo: 10829 +.. date: 7352 +.. nonce: FxQTnG +.. section: Core and Builtins + +Refactor PyUnicode_FromFormat(), use the same function to parse the format +string in the 3 steps, fix crashs on invalid format strings. + +.. + +.. bpo: 13007 +.. date: 7351 +.. nonce: 6OcUii +.. section: Core and Builtins + +whichdb should recognize gdbm 1.9 magic numbers. + +.. + +.. bpo: 11286 +.. date: 7350 +.. nonce: gH7JY2 +.. section: Core and Builtins + +Raise a ValueError from calling PyMemoryView_FromBuffer with a buffer struct +having a NULL data pointer. + +.. + +.. bpo: 11272 +.. date: 7349 +.. nonce: TunnAk +.. section: Core and Builtins + +On Windows, input() strips '\r' (and not only '\n'), and sys.stdin uses +universal newline (replace '\r\n' by '\n'). + +.. + +.. bpo: 11828 +.. date: 7348 +.. nonce: Lc13S7 +.. section: Core and Builtins + +startswith and endswith now accept None as slice index. Patch by Torsten +Becker. + +.. + +.. bpo: 11168 +.. date: 7347 +.. nonce: 15IHEN +.. section: Core and Builtins + +Remove filename debug variable from PyEval_EvalFrameEx(). It encoded the +Unicode filename to UTF-8, but the encoding fails on undecodable filename +(on surrogate characters) which raises an unexpected UnicodeEncodeError on +recursion limit. + +.. + +.. bpo: 11187 +.. date: 7346 +.. nonce: RF722f +.. section: Core and Builtins + +Remove bootstrap code (use ASCII) of PyUnicode_AsEncodedString(), it was +replaced by a better fallback (use the locale encoding) in +PyUnicode_EncodeFSDefault(). + +.. + +.. bpo: 0 +.. date: 7345 +.. nonce: fny7_S +.. section: Core and Builtins + +Check for NULL result in PyType_FromSpec. + +.. + +.. bpo: 10516 +.. date: 7344 +.. nonce: Dx9IO6 +.. section: Core and Builtins + +New copy() and clear() methods for lists and bytearrays. + +.. + +.. bpo: 11386 +.. date: 7343 +.. nonce: wrrB8K +.. section: Core and Builtins + +bytearray.pop() now throws IndexError when the bytearray is empty, instead +of OverflowError. + +.. + +.. bpo: 12380 +.. date: 7342 +.. nonce: sl5Ilr +.. section: Core and Builtins + +The rjust, ljust and center methods of bytes and bytearray now accept a +bytearray argument. + +.. + +.. bpo: 14195 +.. date: 7341 +.. nonce: XpCJYQ +.. section: Library + +An issue that caused weakref.WeakSet instances to incorrectly return True +for a WeakSet instance 'a' in both 'a < a' and 'a > a' has been fixed. + +.. + +.. bpo: 14166 +.. date: 7340 +.. nonce: fcft89 +.. section: Library + +Pickler objects now have an optional ``dispatch_table`` attribute which +allows to set custom per-pickler reduction functions. Patch by sbt. + +.. + +.. bpo: 14177 +.. date: 7339 +.. nonce: YskuFD +.. section: Library + +marshal.loads() now raises TypeError when given an unicode string. Patch by +Guilherme Gonçalves. + +.. + +.. bpo: 13550 +.. date: 7338 +.. nonce: hExG3C +.. section: Library + +Remove the debug machinery from the threading module: remove verbose +arguments from all threading classes and functions. + +.. + +.. bpo: 14159 +.. date: 7337 +.. nonce: bKhLkF +.. section: Library + +Fix the len() of weak containers (WeakSet, WeakKeyDictionary, +WeakValueDictionary) to return a better approximation when some objects are +dead or dying. Moreover, the implementation is now O(1) rather than O(n). + +.. + +.. bpo: 11841 +.. date: 7336 +.. nonce: YAW9qW +.. section: Library + +Fix comparison bug with 'rc' versions in packaging.version. Patch by Filip +Gruszczyński. + +.. + +.. bpo: 6884 +.. date: 7335 +.. nonce: -lAxmo +.. section: Library + +Fix long-standing bugs with MANIFEST.in parsing in distutils on Windows. +Also fixed in packaging. + +.. + +.. bpo: 8033 +.. date: 7334 +.. nonce: vZ-AWU +.. section: Library + +sqlite3: Fix 64-bit integer handling in user functions on 32-bit +architectures. Initial patch by Philippe Devalkeneer. + +.. + +.. bpo: 0 +.. date: 7333 +.. nonce: Apd_xz +.. section: Library + +HTMLParser is now able to handle slashes in the start tag. + +.. + +.. bpo: 13641 +.. date: 7332 +.. nonce: 8ukIOL +.. section: Library + +Decoding functions in the base64 module now accept ASCII-only unicode +strings. Patch by Catalin Iacob. + +.. + +.. bpo: 14043 +.. date: 7331 +.. nonce: _NfA3s +.. section: Library + +Speed up importlib's _FileFinder by at least 8x, and add a new +importlib.invalidate_caches() function. + +.. + +.. bpo: 14001 +.. date: 7330 +.. nonce: Za_h38 +.. section: Library + +CVE-2012-0845: xmlrpc: Fix an endless loop in SimpleXMLRPCServer upon +malformed POST request. + +.. + +.. bpo: 13961 +.. date: 7329 +.. nonce: -8iWm5 +.. section: Library + +Move importlib over to using os.replace() for atomic renaming. + +.. + +.. bpo: 0 +.. date: 7328 +.. nonce: lz9SSu +.. section: Library + +Do away with ambiguous level values (as suggested by PEP 328) in +importlib.__import__() by raising ValueError when level < 0. + +.. + +.. bpo: 2489 +.. date: 7327 +.. nonce: EENP1J +.. section: Library + +pty.spawn could consume 100% cpu when it encountered an EOF. + +.. + +.. bpo: 13014 +.. date: 7326 +.. nonce: bfZLHS +.. section: Library + +Fix a possible reference leak in SSLSocket.getpeercert(). + +.. + +.. bpo: 13777 +.. date: 7325 +.. nonce: SsSNVv +.. section: Library + +Add PF_SYSTEM sockets on OS X. Patch by Michael Goderbauer. + +.. + +.. bpo: 13015 +.. date: 7324 +.. nonce: bxws6S +.. section: Library + +Fix a possible reference leak in defaultdict.__repr__. Patch by Suman Saha. + +.. + +.. bpo: 1326113 +.. date: 7323 +.. nonce: JuJ1F3 +.. section: Library + +distutils' and packaging's build_ext commands option now correctly parses +multiple values (separated by whitespace or commas) given to their +--libraries option. + +.. + +.. bpo: 10287 +.. date: 7322 +.. nonce: L2-2gu +.. section: Library + +nntplib now queries the server's CAPABILITIES first before sending MODE +READER, and only sends it if not already in READER mode. Patch by Hynek +Schlawack. + +.. + +.. bpo: 13993 +.. date: 7321 +.. nonce: YbS9iY +.. section: Library + +HTMLParser is now able to handle broken end tags when strict=False. + +.. + +.. bpo: 13930 +.. date: 7320 +.. nonce: 566-Kx +.. section: Library + +lib2to3 now supports writing converted output files to another directory +tree as well as copying unchanged files and altering the file suffix. + +.. + +.. bpo: 9750 +.. date: 7319 +.. nonce: CsQyVM +.. section: Library + +Fix sqlite3.Connection.iterdump on tables and fields with a name that is a +keyword or contains quotes. Patch by Marko Kohtala. + +.. + +.. bpo: 10287 +.. date: 7318 +.. nonce: CoOp6o +.. section: Library + +nntplib now queries the server's CAPABILITIES again after authenticating +(since the result may change, according to RFC 4643). Patch by Hynek +Schlawack. + +.. + +.. bpo: 13590 +.. date: 7317 +.. nonce: b6Qvrj +.. section: Library + +On OS X 10.7 and 10.6 with Xcode 4.2, building Distutils-based packages with +C extension modules may fail because Apple has removed gcc-4.2, the version +used to build python.org 64-bit/32-bit Pythons. If the user does not +explicitly override the default C compiler by setting the CC environment +variable, Distutils will now attempt to compile extension modules with clang +if gcc-4.2 is required but not found. Also as a convenience, if the user +does explicitly set CC, substitute its value as the default compiler in the +Distutils LDSHARED configuration variable for OS X. (Note, the python.org +32-bit-only Pythons use gcc-4.0 and the 10.4u SDK, neither of which are +available in Xcode 4. This change does not attempt to override settings to +support their use with Xcode 4.) + +.. + +.. bpo: 13960 +.. date: 7316 +.. nonce: WgabCW +.. section: Library + +HTMLParser is now able to handle broken comments when strict=False. + +.. + +.. bpo: 0 +.. date: 7315 +.. nonce: rEkvHU +.. section: Library + +When '' is a path (e.g. in sys.path), make sure __file__ uses the current +working directory instead of '' in importlib. + +.. + +.. bpo: 13609 +.. date: 7314 +.. nonce: QHLCY9 +.. section: Library + +Add two functions to query the terminal size: os.get_terminal_size (low +level) and shutil.get_terminal_size (high level). Patch by Zbigniew +Jędrzejewski-Szmek. + +.. + +.. bpo: 13845 +.. date: 7313 +.. nonce: tUl_Fj +.. section: Library + +On Windows, time.time() now uses GetSystemTimeAsFileTime() instead of +ftime() to have a resolution of 100 ns instead of 1 ms (the clock accuracy +is between 0.5 ms and 15 ms). + +.. + +.. bpo: 13846 +.. date: 7312 +.. nonce: jybi5V +.. section: Library + +Add time.monotonic(), monotonic clock. + +.. + +.. bpo: 8184 +.. date: 7311 +.. nonce: iGHxT1 +.. section: Library + +multiprocessing: On Windows, don't set SO_REUSEADDR on Connection sockets, +and set FILE_FLAG_FIRST_PIPE_INSTANCE on named pipes, to make sure two +listeners can't bind to the same socket/pipe (or any existing socket/pipe). + +.. + +.. bpo: 10811 +.. date: 7310 +.. nonce: m6b_ZC +.. section: Library + +Fix recursive usage of cursors. Instead of crashing, raise a +ProgrammingError now. + +.. + +.. bpo: 13734 +.. date: 7309 +.. nonce: oNGx9P +.. section: Library + +Add os.fwalk(), a directory walking function yielding file descriptors. + +.. + +.. bpo: 2945 +.. date: 7308 +.. nonce: QZCfeH +.. section: Library + +Make the distutils upload command aware of bdist_rpm products. + +.. + +.. bpo: 13712 +.. date: 7307 +.. nonce: TZT3QQ +.. section: Library + +pysetup create should not convert package_data to extra_files. + +.. + +.. bpo: 11805 +.. date: 7306 +.. nonce: VPRRt7 +.. section: Library + +package_data in setup.cfg should allow more than one value. + +.. + +.. bpo: 13676 +.. date: 7305 +.. nonce: IwPgKL +.. section: Library + +Handle strings with embedded zeros correctly in sqlite3. + +.. + +.. bpo: 8828 +.. date: 7304 +.. nonce: OhtMcM +.. section: Library + +Add new function os.replace(), for cross-platform renaming with overwriting. + +.. + +.. bpo: 13848 +.. date: 7303 +.. nonce: xXW1hU +.. section: Library + +open() and the FileIO constructor now check for NUL characters in the file +name. Patch by Hynek Schlawack. + +.. + +.. bpo: 13806 +.. date: 7302 +.. nonce: Y34Lg3 +.. section: Library + +The size check in audioop decompression functions was too strict and could +reject valid compressed data. Patch by Oleg Plakhotnyuk. + +.. + +.. bpo: 13812 +.. date: 7301 +.. nonce: NIY-Po +.. section: Library + +When a multiprocessing Process child raises an exception, flush stderr after +printing the exception traceback. + +.. + +.. bpo: 13885 +.. date: 7300 +.. nonce: fTNryk +.. section: Library + +CVE-2011-3389: the _ssl module would always disable the CBC IV attack +countermeasure. + +.. + +.. bpo: 13847 +.. date: 7299 +.. nonce: Ik2pgR +.. section: Library + +time.localtime() and time.gmtime() now raise an OSError instead of +ValueError on failure. time.ctime() and time.asctime() now raises an OSError +if localtime() failed. time.clock() now raises a RuntimeError if the +processor time used is not available or its value cannot be represented + +.. + +.. bpo: 13772 +.. date: 7298 +.. nonce: KVupSi +.. section: Library + +In os.symlink() under Windows, do not try to guess the link target's type +(file or directory). The detection was buggy and made the call non-atomic +(therefore prone to race conditions). + +.. + +.. bpo: 6631 +.. date: 7297 +.. nonce: FyxhCp +.. section: Library + +Disallow relative file paths in urllib urlopen methods. + +.. + +.. bpo: 13722 +.. date: 7296 +.. nonce: n4Xufh +.. section: Library + +Avoid silencing ImportErrors when initializing the codecs registry. + +.. + +.. bpo: 13781 +.. date: 7295 +.. nonce: Bx-sIy +.. section: Library + +Fix GzipFile bug that caused an exception to be raised when opening for +writing using a fileobj returned by os.fdopen(). + +.. + +.. bpo: 13803 +.. date: 7294 +.. nonce: WnPIts +.. section: Library + +Under Solaris, distutils doesn't include bitness in the directory name. + +.. + +.. bpo: 10278 +.. date: 7293 +.. nonce: cLI3aW +.. section: Library + +Add time.wallclock() function, monotonic clock. + +.. + +.. bpo: 13809 +.. date: 7292 +.. nonce: zwqMZw +.. section: Library + +Fix regression where bz2 module wouldn't work when threads are disabled. +Original patch by Amaury Forgeot d'Arc. + +.. + +.. bpo: 13589 +.. date: 7291 +.. nonce: sQsnEf +.. section: Library + +Fix some serialization primitives in the aifc module. Patch by Oleg +Plakhotnyuk. + +.. + +.. bpo: 13642 +.. date: 7290 +.. nonce: 4YVaQS +.. section: Library + +Unquote before b64encoding user:password during Basic Authentication. Patch +contributed by Joonas Kuorilehto. + +.. + +.. bpo: 12364 +.. date: 7289 +.. nonce: OnVual +.. section: Library + +Fix a hang in concurrent.futures.ProcessPoolExecutor. The hang would occur +when retrieving the result of a scheduled future after the executor had been +shut down. + +.. + +.. bpo: 13502 +.. date: 7288 +.. nonce: Dn8qtt +.. section: Library + +threading: Fix a race condition in Event.wait() that made it return False +when the event was set and cleared right after. + +.. + +.. bpo: 9993 +.. date: 7287 +.. nonce: _cXvpp +.. section: Library + +When the source and destination are on different filesystems, and the source +is a symlink, shutil.move() now recreates a symlink on the destination +instead of copying the file contents. Patch by Jonathan Niehof and Hynek +Schlawack. + +.. + +.. bpo: 12926 +.. date: 7286 +.. nonce: MSqOB2 +.. section: Library + +Fix a bug in tarfile's link extraction. + +.. + +.. bpo: 13696 +.. date: 7285 +.. nonce: bBu5Fk +.. section: Library + +Fix the 302 Relative URL Redirection problem. + +.. + +.. bpo: 13636 +.. date: 7284 +.. nonce: eWRf1t +.. section: Library + +Weak ciphers are now disabled by default in the ssl module (except when +SSLv2 is explicitly asked for). + +.. + +.. bpo: 12715 +.. date: 7283 +.. nonce: RqYLXI +.. section: Library + +Add an optional symlinks argument to shutil functions (copyfile, copymode, +copystat, copy, copy2). When that parameter is true, symlinks aren't +dereferenced and the operation instead acts on the symlink itself (or +creates one, if relevant). Patch by Hynek Schlawack. + +.. + +.. bpo: 0 +.. date: 7282 +.. nonce: gYE9q- +.. section: Library + +Add a flags parameter to select.epoll. + +.. + +.. bpo: 13626 +.. date: 7281 +.. nonce: we7C_R +.. section: Library + +Add support for SSL Diffie-Hellman key exchange, through the +SSLContext.load_dh_params() method and the ssl.OP_SINGLE_DH_USE option. + +.. + +.. bpo: 11006 +.. date: 7280 +.. nonce: 6KuDUa +.. section: Library + +Don't issue low level warning in subprocess when pipe2() fails. + +.. + +.. bpo: 13620 +.. date: 7279 +.. nonce: os2NdM +.. section: Library + +Support for Chrome browser in webbrowser. Patch contributed by Arnaud +Calmettes. + +.. + +.. bpo: 11829 +.. date: 7278 +.. nonce: vH6FxA +.. section: Library + +Fix code execution holes in inspect.getattr_static for metaclasses with +metaclasses. Patch by Andreas Stührk. + +.. + +.. bpo: 12708 +.. date: 7277 +.. nonce: AarraR +.. section: Library + +Add starmap() and starmap_async() methods (similar to itertools.starmap()) +to multiprocessing.Pool. Patch by Hynek Schlawack. + +.. + +.. bpo: 1785 +.. date: 7276 +.. nonce: DKL5I8 +.. section: Library + +Fix inspect and pydoc with misbehaving descriptors. + +.. + +.. bpo: 13637 +.. date: 7275 +.. nonce: 3C-33m +.. section: Library + +"a2b" functions in the binascii module now accept ASCII-only unicode +strings. + +.. + +.. bpo: 13634 +.. date: 7274 +.. nonce: dBF4qW +.. section: Library + +Add support for querying and disabling SSL compression. + +.. + +.. bpo: 13627 +.. date: 7273 +.. nonce: Lk4xYf +.. section: Library + +Add support for SSL Elliptic Curve-based Diffie-Hellman key exchange, +through the SSLContext.set_ecdh_curve() method and the +ssl.OP_SINGLE_ECDH_USE option. + +.. + +.. bpo: 13635 +.. date: 7272 +.. nonce: j9OeLf +.. section: Library + +Add ssl.OP_CIPHER_SERVER_PREFERENCE, so that SSL servers choose the cipher +based on their own preferences, rather than on the client's. + +.. + +.. bpo: 11813 +.. date: 7271 +.. nonce: _NBHv5 +.. section: Library + +Fix inspect.getattr_static for modules. Patch by Andreas Stührk. + +.. + +.. bpo: 7502 +.. date: 7270 +.. nonce: lIMyju +.. section: Library + +Fix equality comparison for DocTestCase instances. Patch by Cédric Krier. + +.. + +.. bpo: 11870 +.. date: 7269 +.. nonce: 85bAB9 +.. section: Library + +threading: Properly reinitialize threads internal locks and condition +variables to avoid deadlocks in child processes. + +.. + +.. bpo: 8035 +.. date: 7268 +.. nonce: yzn_Oa +.. section: Library + +urllib: Fix a bug where the client could remain stuck after a redirection or +an error. + +.. + +.. bpo: 13560 +.. date: 7267 +.. nonce: ZOg9KG +.. section: Library + +os.strerror() now uses the current locale encoding instead of UTF-8. + +.. + +.. bpo: 8373 +.. date: 7266 +.. nonce: F6lhZW +.. section: Library + +The filesystem path of AF_UNIX sockets now uses the filesystem encoding and +the surrogateescape error handler, rather than UTF-8. Patch by David +Watson. + +.. + +.. bpo: 10350 +.. date: 7265 +.. nonce: GIPImg +.. section: Library + +Read and save errno before calling a function which might overwrite it. +Original patch by Hallvard B Furuseth. + +.. + +.. bpo: 11610 +.. date: 7264 +.. nonce: 3IqDr5 +.. section: Library + +Introduce a more general way to declare abstract properties. + +.. + +.. bpo: 13591 +.. date: 7263 +.. nonce: QeA9GX +.. section: Library + +A bug in importlib has been fixed that caused import_module to load a module +twice. + +.. + +.. bpo: 13449 +.. date: 7262 +.. nonce: Iuwk5B +.. section: Library + +sched.scheduler.run() method has a new "blocking" parameter which when set +to False makes run() execute the scheduled events due to expire soonest (if +any) and then return. Patch by Giampaolo Rodolà. + +.. + +.. bpo: 8684 +.. date: 7261 +.. nonce: 1mOWHH +.. section: Library + +sched.scheduler class can be safely used in multi-threaded environments. +Patch by Josiah Carlson and Giampaolo Rodolà. + +.. + +.. bpo: 0 +.. date: 7260 +.. nonce: DjTC3I +.. section: Library + +Alias resource.error to OSError ala PEP 3151. + +.. + +.. bpo: 5689 +.. date: 7259 +.. nonce: CDjEGM +.. section: Library + +Add support for lzma compression to the tarfile module. + +.. + +.. bpo: 13248 +.. date: 7258 +.. nonce: kTLQyB +.. section: Library + +Turn 3.2's PendingDeprecationWarning into 3.3's DeprecationWarning. It +covers 'cgi.escape', 'importlib.abc.PyLoader', 'importlib.abc.PyPycLoader', +'nntplib.NNTP.xgtitle', 'nntplib.NNTP.xpath', and private attributes of +'smtpd.SMTPChannel'. + +.. + +.. bpo: 5905 +.. date: 7257 +.. nonce: fKvZt3 +.. section: Library + +time.strftime() is now using the current locale encoding, instead of UTF-8, +if the wcsftime() function is not available. (See also: bpo-13560) + +.. + +.. bpo: 13464 +.. date: 7256 +.. nonce: RVb-lP +.. section: Library + +Add a readinto() method to http.client.HTTPResponse. Patch by Jon Kuhn. + +.. + +.. bpo: 0 +.. date: 7255 +.. nonce: xZO873 +.. section: Library + +tarfile.py: Correctly detect bzip2 compressed streams with blocksizes other +than 900k. + +.. + +.. bpo: 13439 +.. date: 7254 +.. nonce: H8wdOt +.. section: Library + +Fix many errors in turtle docstrings. + +.. + +.. bpo: 6715 +.. date: 7253 +.. nonce: _I5wbV +.. section: Library + +Add a module 'lzma' for compression using the LZMA algorithm. Thanks to Per +Øyvind Karlsen for the initial implementation. + +.. + +.. bpo: 13487 +.. date: 7252 +.. nonce: tnCtZi +.. section: Library + +Make inspect.getmodule robust against changes done to sys.modules while it +is iterating over it. + +.. + +.. bpo: 12618 +.. date: 7251 +.. nonce: 4vfViQ +.. section: Library + +Fix a bug that prevented py_compile from creating byte compiled files in the +current directory. Initial patch by Sjoerd de Vries. + +.. + +.. bpo: 13444 +.. date: 7250 +.. nonce: 05tB38 +.. section: Library + +When stdout has been closed explicitly, we should not attempt to flush it at +shutdown and print an error. + +.. + +.. bpo: 12567 +.. date: 7249 +.. nonce: UNWMcq +.. section: Library + +The curses module uses Unicode functions for Unicode arguments when it is +linked to the ncurses library. It encodes also Unicode strings to the locale +encoding instead of UTF-8. + +.. + +.. bpo: 12856 +.. date: 7248 +.. nonce: 7eIfN8 +.. section: Library + +Ensure child processes do not inherit the parent's random seed for filename +generation in the tempfile module. Patch by Brian Harring. + +.. + +.. bpo: 9957 +.. date: 7247 +.. nonce: wDigEk +.. section: Library + +SpooledTemporaryFile.truncate() now accepts an optional size parameter, as +other file-like objects. Patch by Ryan Kelly. + +.. + +.. bpo: 13458 +.. date: 7246 +.. nonce: EHyzED +.. section: Library + +Fix a memory leak in the ssl module when decoding a certificate with a +subjectAltName. Patch by Robert Xiao. + +.. + +.. bpo: 13415 +.. date: 7245 +.. nonce: Ap8joO +.. section: Library + +os.unsetenv() doesn't ignore errors anymore. + +.. + +.. bpo: 13245 +.. date: 7244 +.. nonce: FxSKtK +.. section: Library + +sched.scheduler class constructor's timefunc and delayfunct parameters are +now optional. scheduler.enter and scheduler.enterabs methods gained a new +kwargs parameter. Patch contributed by Chris Clark. + +.. + +.. bpo: 12328 +.. date: 7243 +.. nonce: z7LwM4 +.. section: Library + +Under Windows, refactor handling of Ctrl-C events and make +_multiprocessing.win32.WaitForMultipleObjects interruptible when the +wait_flag parameter is false. Patch by sbt. + +.. + +.. bpo: 13322 +.. date: 7242 +.. nonce: Ect89q +.. section: Library + +Fix BufferedWriter.write() to ensure that BlockingIOError is raised when the +wrapped raw file is non-blocking and the write would block. Previous code +assumed that the raw write() would raise BlockingIOError, but +RawIOBase.write() is defined to returned None when the call would block. +Patch by sbt. + +.. + +.. bpo: 13358 +.. date: 7241 +.. nonce: kPO1ja +.. section: Library + +HTMLParser now calls handle_data only once for each CDATA. + +.. + +.. bpo: 4147 +.. date: 7240 +.. nonce: wQbNcw +.. section: Library + +minidom's toprettyxml no longer adds whitespace around a text node when it +is the only child of an element. Initial patch by Dan Kenigsberg. + +.. + +.. bpo: 13374 +.. date: 7239 +.. nonce: A6PdRD +.. section: Library + +The Windows bytes API has been deprecated in the os module. Use Unicode +filenames instead of bytes filenames to not depend on the ANSI code page +anymore and to support any filename. + +.. + +.. bpo: 13297 +.. date: 7238 +.. nonce: uo2s_p +.. section: Library + +Use bytes type to send and receive binary data through XMLRPC. + +.. + +.. bpo: 6397 +.. date: 7237 +.. nonce: gywYD- +.. section: Library + +Support "/dev/poll" polling objects in select module, under Solaris & +derivatives. + +.. + +.. bpo: 1745761 +.. date: 7236 +.. nonce: zfO1ng +.. section: Library + +HTMLParser now correctly handles non-valid attributes, including adjacent +and unquoted attributes. (See also: bpo-755670, bpo-13357, bpo-12629, +bpo-1200313) + +.. + +.. bpo: 13193 +.. date: 7235 +.. nonce: fxIZuD +.. section: Library + +Fix distutils.filelist.FileList and packaging.manifest.Manifest under +Windows. + +.. + +.. bpo: 13384 +.. date: 7234 +.. nonce: wx_SPZ +.. section: Library + +Remove unnecessary __future__ import in Lib/random.py + +.. + +.. bpo: 13149 +.. date: 7233 +.. nonce: wy6pt7 +.. section: Library + +Speed up append-only StringIO objects. + +.. + +.. bpo: 13373 +.. date: 7232 +.. nonce: 8wM3bP +.. section: Library + +multiprocessing.Queue.get() could sometimes block indefinitely when called +with a timeout. Patch by Arnaud Ysmal. + +.. + +.. bpo: 13254 +.. date: 7231 +.. nonce: CKJxT0 +.. section: Library + +Fix Maildir initialization so that maildir contents are read correctly. + +.. + +.. bpo: 3067 +.. date: 7230 +.. nonce: IpKDf8 +.. section: Library + +locale.setlocale() now raises TypeError if the second argument is an invalid +iterable. Its documentation and docstring were also updated. Initial patch +by Jyrki Pulliainen. + +.. + +.. bpo: 13140 +.. date: 7229 +.. nonce: EguPSD +.. section: Library + +Fix the daemon_threads attribute of ThreadingMixIn. + +.. + +.. bpo: 13339 +.. date: 7228 +.. nonce: 3ty5ip +.. section: Library + +Fix compile error in posixmodule.c due to missing semicolon. Thanks to +Robert Xiao. + +.. + +.. bpo: 0 +.. date: 7227 +.. nonce: QSo5ij +.. section: Library + +Byte compilation in packaging is now isolated from the calling Python -B or +-O options, instead of being disallowed under -B or buggy under -O. + +.. + +.. bpo: 10570 +.. date: 7226 +.. nonce: jvnBd5 +.. section: Library + +curses.putp() and curses.tparm() are now expecting a byte string, instead of +a Unicode string. + +.. + +.. bpo: 13295 +.. date: 7225 +.. nonce: wTSBvE +.. section: Library + +http.server now produces valid HTML 4.01 strict. + +.. + +.. bpo: 2892 +.. date: 7224 +.. nonce: kugtRq +.. section: Library + +preserve iterparse events in case of SyntaxError. + +.. + +.. bpo: 13287 +.. date: 7223 +.. nonce: eSYlD8 +.. section: Library + +urllib.request and urllib.error now contains an __all__ attribute to expose +only relevant classes and functions. Patch by Florent Xicluna. + +.. + +.. bpo: 670664 +.. date: 7222 +.. nonce: dPMzKt +.. section: Library + +Fix HTMLParser to correctly handle the content of ```` +and ````. + +.. + +.. bpo: 10817 +.. date: 7221 +.. nonce: 2NZ4yV +.. section: Library + +Fix urlretrieve function to raise ContentTooShortError even when reporthook +is None. Patch by Jyrki Pulliainen. + +.. + +.. bpo: 0 +.. date: 7220 +.. nonce: 9QMqzu +.. section: Library + +Fix the xmlrpc.client user agent to return something similar to +urllib.request user agent: "Python-xmlrpc/3.3". + +.. + +.. bpo: 13293 +.. date: 7219 +.. nonce: I4NsfN +.. section: Library + +Better error message when trying to marshal bytes using xmlrpc.client. + +.. + +.. bpo: 13291 +.. date: 7218 +.. nonce: kr_eYK +.. section: Library + +NameError in xmlrpc package. + +.. + +.. bpo: 13258 +.. date: 7217 +.. nonce: PqfnGc +.. section: Library + +Use callable() built-in in the standard library. + +.. + +.. bpo: 13273 +.. date: 7216 +.. nonce: QnsJc6 +.. section: Library + +fix a bug that prevented HTMLParser to properly detect some tags when +strict=False. + +.. + +.. bpo: 11183 +.. date: 7215 +.. nonce: yoGopX +.. section: Library + +Add finer-grained exceptions to the ssl module, so that you don't have to +inspect the exception's attributes in the common case. + +.. + +.. bpo: 13216 +.. date: 7214 +.. nonce: idAP8q +.. section: Library + +Add cp65001 codec, the Windows UTF-8 (CP_UTF8). + +.. + +.. bpo: 13226 +.. date: 7213 +.. nonce: zi3BMF +.. section: Library + +Add RTLD_xxx constants to the os module. These constants can be used with +sys.setdlopenflags(). + +.. + +.. bpo: 10278 +.. date: 7212 +.. nonce: mnE2RY +.. section: Library + +Add clock_getres(), clock_gettime() and CLOCK_xxx constants to the time +module. time.clock_gettime(time.CLOCK_MONOTONIC) provides a monotonic clock + +.. + +.. bpo: 10332 +.. date: 7211 +.. nonce: E9qFmi +.. section: Library + +multiprocessing: fix a race condition when a Pool is closed before all tasks +have completed. + +.. + +.. bpo: 13255 +.. date: 7210 +.. nonce: UiGxn5 +.. section: Library + +wrong docstrings in array module. + +.. + +.. bpo: 8540 +.. date: 7209 +.. nonce: dyhmYO +.. section: Library + +Remove deprecated Context._clamp attribute in Decimal module. + +.. + +.. bpo: 13235 +.. date: 7208 +.. nonce: AEP8bq +.. section: Library + +Added DeprecationWarning to logging.warn() method and function. + +.. + +.. bpo: 9168 +.. date: 7207 +.. nonce: eLGWkL +.. section: Library + +now smtpd is able to bind privileged port. + +.. + +.. bpo: 12529 +.. date: 7206 +.. nonce: TX2NNI +.. section: Library + +fix cgi.parse_header issue on strings with double-quotes and semicolons +together. Patch by Ben Darnell and Petri Lehtinen. + +.. + +.. bpo: 13227 +.. date: 7205 +.. nonce: CQKvc0 +.. section: Library + +functools.lru_cache() now has a option to distinguish calls with different +argument types. + +.. + +.. bpo: 6090 +.. date: 7204 +.. nonce: 8BVasJ +.. section: Library + +zipfile raises a ValueError when a document with a timestamp earlier than +1980 is provided. Patch contributed by Petri Lehtinen. + +.. + +.. bpo: 13150 +.. date: 7203 +.. nonce: ugPhZN +.. section: Library + +sysconfig no longer parses the Makefile and config.h files when imported, +instead doing it at build time. This makes importing sysconfig faster and +reduces Python startup time by 20%. + +.. + +.. bpo: 12448 +.. date: 7202 +.. nonce: KYsQbN +.. section: Library + +smtplib now flushes stdout while running ``python -m smtplib`` in order to +display the prompt correctly. + +.. + +.. bpo: 12454 +.. date: 7201 +.. nonce: 9rCEZL +.. section: Library + +The mailbox module is now using ASCII, instead of the locale encoding, to +read and write .mh_sequences files. + +.. + +.. bpo: 13194 +.. date: 7200 +.. nonce: b0HQpu +.. section: Library + +zlib.compressobj().copy() and zlib.decompressobj().copy() are now available +on Windows. + +.. + +.. bpo: 1673007 +.. date: 7199 +.. nonce: 0MQxW5 +.. section: Library + +urllib.request now supports HEAD request via new method argument. Patch +contributions by David Stanek, Patrick Westerhoff and Ezio Melotti. + +.. + +.. bpo: 12386 +.. date: 7198 +.. nonce: -p2Mdp +.. section: Library + +packaging does not fail anymore when writing the RESOURCES file. + +.. + +.. bpo: 13158 +.. date: 7197 +.. nonce: q5jmKD +.. section: Library + +Fix decoding and encoding of GNU tar specific base-256 number fields in +tarfile. + +.. + +.. bpo: 13025 +.. date: 7196 +.. nonce: T2J6Cv +.. section: Library + +mimetypes is now reading MIME types using the UTF-8 encoding, instead of the +locale encoding. + +.. + +.. bpo: 10653 +.. date: 7195 +.. nonce: jvmIA9 +.. section: Library + +On Windows, use strftime() instead of wcsftime() because wcsftime() doesn't +format time zone correctly. + +.. + +.. bpo: 13150 +.. date: 7194 +.. nonce: ImOpvU +.. section: Library + +The tokenize module doesn't compile large regular expressions at startup +anymore. + +.. + +.. bpo: 11171 +.. date: 7193 +.. nonce: blc9OU +.. section: Library + +Fix distutils.sysconfig.get_makefile_filename when Python was configured +with different prefix and exec-prefix. + +.. + +.. bpo: 11254 +.. date: 7192 +.. nonce: Ljgs_Y +.. section: Library + +Teach distutils and packaging to compile .pyc and .pyo files in PEP +3147-compliant __pycache__ directories. + +.. + +.. bpo: 7367 +.. date: 7191 +.. nonce: 2xoC41 +.. section: Library + +Fix pkgutil.walk_paths to skip directories whose contents cannot be read. + +.. + +.. bpo: 3163 +.. date: 7190 +.. nonce: FrkEgb +.. section: Library + +The struct module gets new format characters 'n' and 'N' supporting C +integer types ``ssize_t`` and ``size_t``, respectively. + +.. + +.. bpo: 13099 +.. date: 7189 +.. nonce: hhmbgp +.. section: Library + +Fix sqlite3.Cursor.lastrowid under a Turkish locale. Reported and diagnosed +by Thomas Kluyver. + +.. + +.. bpo: 13087 +.. date: 7188 +.. nonce: puG2k1 +.. section: Library + +BufferedReader.seek() now always raises UnsupportedOperation if the +underlying raw stream is unseekable, even if the seek could be satisfied +using the internal buffer. Patch by John O'Connor. + +.. + +.. bpo: 7689 +.. date: 7187 +.. nonce: oLubls +.. section: Library + +Allow pickling of dynamically created classes when their metaclass is +registered with copyreg. Patch by Nicolas M. Thiéry and Craig Citro. + +.. + +.. bpo: 13034 +.. date: 7186 +.. nonce: 6wbYBd +.. section: Library + +When decoding some SSL certificates, the subjectAltName extension could be +unreported. + +.. + +.. bpo: 12306 +.. date: 7185 +.. nonce: aywr5r +.. section: Library + +Expose the runtime version of the zlib C library as a constant, +ZLIB_RUNTIME_VERSION, in the zlib module. Patch by Torsten Landschoff. + +.. + +.. bpo: 12959 +.. date: 7184 +.. nonce: kHI1HM +.. section: Library + +Add collections.ChainMap to collections.__all__. + +.. + +.. bpo: 8933 +.. date: 7183 +.. nonce: zlAZwE +.. section: Library + +distutils' PKG-INFO files and packaging's METADATA files will now correctly +report Metadata-Version: 1.1 instead of 1.0 if a Classifier or Download-URL +field is present. + +.. + +.. bpo: 12567 +.. date: 7182 +.. nonce: rAfZbK +.. section: Library + +Add curses.unget_wch() function. Push a character so the next get_wch() will +return it. + +.. + +.. bpo: 9561 +.. date: 7181 +.. nonce: l9A1VJ +.. section: Library + +distutils and packaging now writes egg-info files using UTF-8, instead of +the locale encoding. + +.. + +.. bpo: 8286 +.. date: 7180 +.. nonce: 9gJAZN +.. section: Library + +The distutils command sdist will print a warning message instead of crashing +when an invalid path is given in the manifest template. + +.. + +.. bpo: 12841 +.. date: 7179 +.. nonce: VRTnfy +.. section: Library + +tarfile unnecessarily checked the existence of numerical user and group ids +on extraction. If one of them did not exist the respective id of the current +user (i.e. root) was used for the file and ownership information was lost. + +.. + +.. bpo: 12888 +.. date: 7178 +.. nonce: P2pxQ6 +.. section: Library + +Fix a bug in HTMLParser.unescape that prevented it to escape more than 128 +entities. Patch by Peter Otten. + +.. + +.. bpo: 12878 +.. date: 7177 +.. nonce: 3vxEcY +.. section: Library + +Expose a __dict__ attribute on io.IOBase and its subclasses. + +.. + +.. bpo: 12494 +.. date: 7176 +.. nonce: Tk-YKz +.. section: Library + +On error, call(), check_call(), check_output() and getstatusoutput() +functions of the subprocess module now kill the process, read its status (to +avoid zombis) and close pipes. + +.. + +.. bpo: 12720 +.. date: 7175 +.. nonce: lPMNRD +.. section: Library + +Expose low-level Linux extended file attribute functions in os. + +.. + +.. bpo: 10946 +.. date: 7174 +.. nonce: c8rjV6 +.. section: Library + +The distutils commands bdist_dumb, bdist_wininst and bdist_msi now respect a +--skip-build option given to bdist. The packaging commands were fixed too. + +.. + +.. bpo: 12847 +.. date: 7173 +.. nonce: neDezj +.. section: Library + +Fix a crash with negative PUT and LONG_BINPUT arguments in the C pickle +implementation. + +.. + +.. bpo: 11564 +.. date: 7172 +.. nonce: s8vjkM +.. section: Library + +Avoid crashes when trying to pickle huge objects or containers (more than +2**31 items). Instead, in most cases, an OverflowError is raised. + +.. + +.. bpo: 12287 +.. date: 7171 +.. nonce: _b1Hy3 +.. section: Library + +Fix a stack corruption in ossaudiodev module when the FD is greater than +FD_SETSIZE. + +.. + +.. bpo: 12839 +.. date: 7170 +.. nonce: YFQywe +.. section: Library + +Fix crash in zlib module due to version mismatch. Fix by Richard M. Tew. + +.. + +.. bpo: 9923 +.. date: 7169 +.. nonce: ah6F7t +.. section: Library + +The mailcap module now correctly uses the platform path separator for the +MAILCAP environment variable on non-POSIX platforms. + +.. + +.. bpo: 12835 +.. date: 7168 +.. nonce: ieA6Kw +.. section: Library + +Follow up to #6560 that unconditionally prevents use of the unencrypted +sendmsg/recvmsg APIs on SSL wrapped sockets. Patch by David Watson. + +.. + +.. bpo: 12803 +.. date: 7167 +.. nonce: 9tH8wT +.. section: Library + +SSLContext.load_cert_chain() now accepts a password argument to be used if +the private key is encrypted. Patch by Adam Simpkins. + +.. + +.. bpo: 11657 +.. date: 7166 +.. nonce: K6NkKs +.. section: Library + +Fix sending file descriptors over 255 over a multiprocessing Pipe. + +.. + +.. bpo: 12811 +.. date: 7165 +.. nonce: ij5oOH +.. section: Library + +tabnanny.check() now promptly closes checked files. Patch by Anthony Briggs. + +.. + +.. bpo: 6560 +.. date: 7164 +.. nonce: E-5r4K +.. section: Library + +The sendmsg/recvmsg API is now exposed by the socket module when provided by +the underlying platform, supporting processing of ancillary data in pure +Python code. Patch by David Watson and Heiko Wundram. + +.. + +.. bpo: 12326 +.. date: 7163 +.. nonce: _EUw4i +.. section: Library + +On Linux, sys.platform doesn't contain the major version anymore. It is now +always 'linux', instead of 'linux2' or 'linux3' depending on the Linux +version used to build Python. + +.. + +.. bpo: 12213 +.. date: 7162 +.. nonce: uu17mW +.. section: Library + +Fix a buffering bug with interleaved reads and writes that could appear on +BufferedRandom streams. + +.. + +.. bpo: 12778 +.. date: 7161 +.. nonce: p_dap7 +.. section: Library + +Reduce memory consumption when JSON-encoding a large container of many small +objects. + +.. + +.. bpo: 12650 +.. date: 7160 +.. nonce: hY2GLb +.. section: Library + +Fix a race condition where a subprocess.Popen could leak resources +(FD/zombie) when killed at the wrong time. + +.. + +.. bpo: 12744 +.. date: 7159 +.. nonce: gW4Lzk +.. section: Library + +Fix inefficient representation of integers between 2**31 and 2**63 on +systems with a 64-bit C "long". + +.. + +.. bpo: 12646 +.. date: 7158 +.. nonce: y_M9T8 +.. section: Library + +Add an 'eof' attribute to zlib.Decompress, to make it easier to detect +truncated input streams. + +.. + +.. bpo: 11513 +.. date: 7157 +.. nonce: BCtVVS +.. section: Library + +Fix exception handling ``tarfile.TarFile.gzopen()`` when the file cannot be +opened. + +.. + +.. bpo: 12687 +.. date: 7156 +.. nonce: vxSpbl +.. section: Library + +Fix a possible buffering bug when unpickling text mode (protocol 0, mostly) +pickles. + +.. + +.. bpo: 10087 +.. date: 7155 +.. nonce: JozXk_ +.. section: Library + +Fix the html output format of the calendar module. + +.. + +.. bpo: 13121 +.. date: 7154 +.. nonce: Wbo0Z9 +.. section: Library + +add support for inplace math operators to collections.Counter. + +.. + +.. bpo: 0 +.. date: 7153 +.. nonce: oX3u5E +.. section: Library + +Add support for unary plus and unary minus to collections.Counter. + +.. + +.. bpo: 12683 +.. date: 7152 +.. nonce: pySdFM +.. section: Library + +urlparse updated to include svn as schemes that uses relative paths. (svn +from 1.5 onwards support relative path). + +.. + +.. bpo: 12655 +.. date: 7151 +.. nonce: 5Ir5JO +.. section: Library + +Expose functions from sched.h in the os module: sched_yield(), +sched_setscheduler(), sched_getscheduler(), sched_setparam(), +sched_get_min_priority(), sched_get_max_priority(), sched_rr_get_interval(), +sched_getaffinity(), sched_setaffinity(). + +.. + +.. bpo: 0 +.. date: 7150 +.. nonce: Bipjct +.. section: Library + +Add ThreadError to threading.__all__. + +.. + +.. bpo: 11104 +.. date: 7149 +.. nonce: EZRzAK +.. section: Library + +Fix the behavior of distutils' sdist command with manually-maintained +MANIFEST files. (See also: bpo-8688) + +.. + +.. bpo: 11281 +.. date: 7148 +.. nonce: dxj7Ic +.. section: Library + +smtplib.STMP gets source_address parameter, which adds the ability to bind +to specific source address on a machine with multiple interfaces. Patch by +Paulo Scardine. + +.. + +.. bpo: 12464 +.. date: 7147 +.. nonce: MOtl8D +.. section: Library + +tempfile.TemporaryDirectory.cleanup() should not follow symlinks: fix it. +Patch by Petri Lehtinen. + +.. + +.. bpo: 8887 +.. date: 7146 +.. nonce: GV2FAG +.. section: Library + +"pydoc somebuiltin.somemethod" (or help('somebuiltin.somemethod') in Python +code) now finds the doc of the method. + +.. + +.. bpo: 10968 +.. date: 7145 +.. nonce: UjmUwW +.. section: Library + +Remove indirection in threading. The public names (Event, Condition, etc.) +used to be factory functions returning instances of hidden classes (_Event, +_Condition, etc.), because (if Guido recalls correctly) this code pre-dates +the ability to subclass extension types. It is now possible to inherit from +these classes, without having to import the private underscored names like +multiprocessing did. + +.. + +.. bpo: 9723 +.. date: 7144 +.. nonce: Eoxq0n +.. section: Library + +Add shlex.quote functions, to escape filenames and command lines. + +.. + +.. bpo: 12603 +.. date: 7143 +.. nonce: wO8DQ8 +.. section: Library + +Fix pydoc.synopsis() on files with non-negative st_mtime. + +.. + +.. bpo: 12514 +.. date: 7142 +.. nonce: e1PR4a +.. section: Library + +Use try/finally to assure the timeit module restores garbage collections +when it is done. + +.. + +.. bpo: 12607 +.. date: 7141 +.. nonce: t5RWHt +.. section: Library + +In subprocess, fix issue where if stdin, stdout or stderr is given as a low +fd, it gets overwritten. + +.. + +.. bpo: 12576 +.. date: 7140 +.. nonce: WqmGwQ +.. section: Library + +Fix urlopen behavior on sites which do not send (or obfuscates) +``Connection: close`` header. + +.. + +.. bpo: 12560 +.. date: 7139 +.. nonce: 9ydkW_ +.. section: Library + +Build libpython.so on OpenBSD. Patch by Stefan Sperling. + +.. + +.. bpo: 1813 +.. date: 7138 +.. nonce: YEClj8 +.. section: Library + +Fix codec lookup under Turkish locales. + +.. + +.. bpo: 12591 +.. date: 7137 +.. nonce: 6smMLs +.. section: Library + +Improve support of "universal newlines" in the subprocess module: the piped +streams can now be properly read from or written to. + +.. + +.. bpo: 12591 +.. date: 7136 +.. nonce: ETdSWV +.. section: Library + +Allow io.TextIOWrapper to work with raw IO objects (without a read1() +method), and add a *write_through* parameter to mandate unbuffered writes. + +.. + +.. bpo: 10883 +.. date: 7135 +.. nonce: EkDmNb +.. section: Library + +Fix socket leaks in urllib.request when using FTP. + +.. + +.. bpo: 12592 +.. date: 7134 +.. nonce: -EZrk3 +.. section: Library + +Make Python build on OpenBSD 5 (and future major releases). + +.. + +.. bpo: 12372 +.. date: 7133 +.. nonce: 7QRSzO +.. section: Library + +POSIX semaphores are broken on AIX: don't use them. + +.. + +.. bpo: 12551 +.. date: 7132 +.. nonce: qzV6gf +.. section: Library + +Provide a get_channel_binding() method on SSL sockets so as to get channel +binding data for the current SSL session (only the "tls-unique" channel +binding is implemented). This allows the implementation of certain +authentication mechanisms such as SCRAM-SHA-1-PLUS. Patch by Jacek +Konieczny. + +.. + +.. bpo: 665194 +.. date: 7131 +.. nonce: D_Nif1 +.. section: Library + +email.utils now has format_datetime and parsedate_to_datetime functions, +allowing for round tripping of RFC2822 format dates. + +.. + +.. bpo: 12571 +.. date: 7130 +.. nonce: qrkjgh +.. section: Library + +Add a plat-linux3 directory mirroring the plat-linux2 directory, so that +"import DLFCN" and other similar imports work on Linux 3.0. + +.. + +.. bpo: 7484 +.. date: 7129 +.. nonce: 0bZoAH +.. section: Library + +smtplib no longer puts <> around addresses in VRFY and EXPN commands; they +aren't required and in fact postfix doesn't support that form. + +.. + +.. bpo: 12273 +.. date: 7128 +.. nonce: 8-Rcvi +.. section: Library + +Remove ast.__version__. AST changes can be accounted for by checking +sys.version_info or sys._mercurial. + +.. + +.. bpo: 0 +.. date: 7127 +.. nonce: nBJcjf +.. section: Library + +Silence spurious "broken pipe" tracebacks when shutting down a +ProcessPoolExecutor. + +.. + +.. bpo: 0 +.. date: 7126 +.. nonce: IaRSlM +.. section: Library + +Fix potential resource leaks in concurrent.futures.ProcessPoolExecutor by +joining all queues and processes when shutdown() is called. + +.. + +.. bpo: 11603 +.. date: 7125 +.. nonce: B016rQ +.. section: Library + +Fix a crash when __str__ is rebound as __repr__. Patch by Andreas Stührk. + +.. + +.. bpo: 11321 +.. date: 7124 +.. nonce: rsmpgY +.. section: Library + +Fix a crash with multiple imports of the _pickle module when embedding +Python. Patch by Andreas Stührk. + +.. + +.. bpo: 6755 +.. date: 7123 +.. nonce: vkDHPt +.. section: Library + +Add get_wch() method to curses.window class. Patch by Iñigo Serna. + +.. + +.. bpo: 0 +.. date: 7122 +.. nonce: JDQ86j +.. section: Library + +Add cgi.closelog() function to close the log file. + +.. + +.. bpo: 12502 +.. date: 7121 +.. nonce: p8Kedr +.. section: Library + +asyncore: fix polling loop with AF_UNIX sockets. + +.. + +.. bpo: 4376 +.. date: 7120 +.. nonce: 4S-uUv +.. section: Library + +ctypes now supports nested structures in a endian different than the parent +structure. Patch by Vlad Riscutia. + +.. + +.. bpo: 0 +.. date: 7119 +.. nonce: IFeQ4p +.. section: Library + +Raise ValueError when attempting to set the _CHUNK_SIZE attribute of a +TextIOWrapper to a huge value, not TypeError. + +.. + +.. bpo: 12504 +.. date: 7118 +.. nonce: DE9Ipi +.. section: Library + +Close file handles in a timely manner in packaging.database. This fixes a +bug with the remove (uninstall) feature on Windows. + +.. + +.. bpo: 12169 +.. date: 7117 +.. nonce: AgXMPs +.. section: Library + +Factor out code used by various packaging commands to make HTTP POST +requests, and make sure it uses CRLF. (See also: bpo-10510) + +.. + +.. bpo: 12016 +.. date: 7116 +.. nonce: HJDsZ9 +.. section: Library + +Multibyte CJK decoders now resynchronize faster. They only ignore the first +byte of an invalid byte sequence. For example, b'\xff\n'.decode('gb2312', +'replace') gives '\ufffd\n' instead of '\ufffd'. + +.. + +.. bpo: 12459 +.. date: 7115 +.. nonce: -fijQQ +.. section: Library + +time.sleep() now raises a ValueError if the sleep length is negative, +instead of an infinite sleep on Windows or raising an IOError on Linux for +example, to have the same behaviour on all platforms. + +.. + +.. bpo: 12451 +.. date: 7114 +.. nonce: rQ7kKi +.. section: Library + +pydoc: html_getfile() now uses tokenize.open() to support Python scripts +using a encoding different than UTF-8 (read the coding cookie of the +script). + +.. + +.. bpo: 12493 +.. date: 7113 +.. nonce: qaPq_Q +.. section: Library + +subprocess: Popen.communicate() now also handles EINTR errors if the process +has only one pipe. + +.. + +.. bpo: 12467 +.. date: 7112 +.. nonce: x0sMKt +.. section: Library + +warnings: fix a race condition if a warning is emitted at shutdown, if +globals()['__file__'] is None. + +.. + +.. bpo: 12451 +.. date: 7111 +.. nonce: n8asmW +.. section: Library + +pydoc: importfile() now opens the Python script in binary mode, instead of +text mode using the locale encoding, to avoid encoding issues. + +.. + +.. bpo: 12451 +.. date: 7110 +.. nonce: 3i1f6- +.. section: Library + +runpy: run_path() now opens the Python script in binary mode, instead of +text mode using the locale encoding, to support other encodings than UTF-8 +(scripts using the coding cookie). + +.. + +.. bpo: 12451 +.. date: 7109 +.. nonce: yZnhXf +.. section: Library + +xml.dom.pulldom: parse() now opens files in binary mode instead of the text +mode (using the locale encoding) to avoid encoding issues. + +.. + +.. bpo: 12147 +.. date: 7108 +.. nonce: iUO_PI +.. section: Library + +Adjust the new-in-3.2 smtplib.send_message method for better conformance to +the RFCs: correctly handle Sender and Resent- headers. + +.. + +.. bpo: 12352 +.. date: 7107 +.. nonce: Htm8Oe +.. section: Library + +Fix a deadlock in multiprocessing.Heap when a block is freed by the garbage +collector while the Heap lock is held. + +.. + +.. bpo: 12462 +.. date: 7106 +.. nonce: DxQNvN +.. section: Library + +time.sleep() now immediately calls the (Python) signal handler if it is +interrupted by a signal, instead of having to wait until the next +instruction. + +.. + +.. bpo: 12442 +.. date: 7105 +.. nonce: NNAjnA +.. section: Library + +new shutil.disk_usage function, providing total, used and free disk space +statistics. + +.. + +.. bpo: 12451 +.. date: 7104 +.. nonce: HCFo86 +.. section: Library + +The XInclude default loader of xml.etree now decodes files from UTF-8 +instead of the locale encoding if the encoding is not specified. It now also +opens XML files for the parser in binary mode instead of the text mode to +avoid encoding issues. + +.. + +.. bpo: 12451 +.. date: 7103 +.. nonce: lSrEUK +.. section: Library + +doctest.debug_script() doesn't create a temporary file anymore to avoid +encoding issues. + +.. + +.. bpo: 12451 +.. date: 7102 +.. nonce: AOrBIY +.. section: Library + +pydoc.synopsis() now reads the encoding cookie if available, to read the +Python script from the right encoding. + +.. + +.. bpo: 12451 +.. date: 7101 +.. nonce: 7d0tCg +.. section: Library + +distutils now opens the setup script in binary mode to read the encoding +cookie, instead of opening it in UTF-8. + +.. + +.. bpo: 9516 +.. date: 7100 +.. nonce: QDNUKB +.. section: Library + +On Mac OS X, change Distutils to no longer globally attempt to check or set +the MACOSX_DEPLOYMENT_TARGET environment variable for the interpreter +process. This could cause failures in non-Distutils subprocesses and was +unreliable since tests or user programs could modify the interpreter +environment after Distutils set it. Instead, have Distutils set the +deployment target only in the environment of each build subprocess. It is +still possible to globally override the default by setting +MACOSX_DEPLOYMENT_TARGET before launching the interpreter; its value must be +greater or equal to the default value, the value with which the interpreter +was built. Also, implement the same handling in packaging. + +.. + +.. bpo: 12422 +.. date: 7099 +.. nonce: F1zSw9 +.. section: Library + +In the copy module, don't store objects that are their own copy in the memo +dict. + +.. + +.. bpo: 12303 +.. date: 7098 +.. nonce: wblNCh +.. section: Library + +Add sigwaitinfo() and sigtimedwait() to the signal module. + +.. + +.. bpo: 12404 +.. date: 7097 +.. nonce: bS5-Qf +.. section: Library + +Remove C89 incompatible code from mmap module. Patch by Akira Kitada. + +.. + +.. bpo: 1874 +.. date: 7096 +.. nonce: InySSQ +.. section: Library + +email now detects and reports as a defect the presence of any CTE other than +7bit, 8bit, or binary on a multipart. + +.. + +.. bpo: 12383 +.. date: 7095 +.. nonce: 5vTBCn +.. section: Library + +Fix subprocess module with env={}: don't copy the environment variables, +start with an empty environment. + +.. + +.. bpo: 11637 +.. date: 7094 +.. nonce: 0xbsOd +.. section: Library + +Fix support for importing packaging setup hooks from the project directory. + +.. + +.. bpo: 6771 +.. date: 7093 +.. nonce: nKVoI9 +.. section: Library + +Moved the curses.wrapper function from the single-function wrapper module +into __init__, eliminating the module. Since __init__ was already importing +the function to curses.wrapper, there is no API change. + +.. + +.. bpo: 11584 +.. date: 7092 +.. nonce: pP115T +.. section: Library + +email.header.decode_header no longer fails if the header passed to it is a +Header object, and Header/make_header no longer fail if given binary +unknown-8bit input. + +.. + +.. bpo: 11700 +.. date: 7091 +.. nonce: 2CdbDP +.. section: Library + +mailbox proxy object close methods can now be called multiple times without +error. + +.. + +.. bpo: 11767 +.. date: 7090 +.. nonce: EKah2p +.. section: Library + +Correct file descriptor leak in mailbox's __getitem__ method. + +.. + +.. bpo: 12133 +.. date: 7089 +.. nonce: Ag9yty +.. section: Library + +AbstractHTTPHandler.do_open() of urllib.request closes the HTTP connection +if its getresponse() method fails with a socket error. Patch written by Ezio +Melotti. + +.. + +.. bpo: 12240 +.. date: 7088 +.. nonce: jttNO6 +.. section: Library + +Allow multiple setup hooks in packaging's setup.cfg files. Original patch by +Erik Bray. + +.. + +.. bpo: 9284 +.. date: 7087 +.. nonce: -NhBcF +.. section: Library + +Allow inspect.findsource() to find the source of doctest functions. + +.. + +.. bpo: 11595 +.. date: 7086 +.. nonce: NQkt35 +.. section: Library + +Fix assorted bugs in packaging.util.cfg_to_args, a compatibility helper for +the distutils-packaging transition. Original patch by Erik Bray. + +.. + +.. bpo: 12287 +.. date: 7085 +.. nonce: PxhzFf +.. section: Library + +In ossaudiodev, check that the device isn't closed in several methods. + +.. + +.. bpo: 12009 +.. date: 7084 +.. nonce: nQPg8Y +.. section: Library + +Fixed regression in netrc file comment handling. + +.. + +.. bpo: 12246 +.. date: 7083 +.. nonce: G9vJ2d +.. section: Library + +Warn and fail when trying to install a third-party project from an +uninstalled Python (built in a source checkout). Original patch by Tshepang +Lekhonkhobe. + +.. + +.. bpo: 10694 +.. date: 7082 +.. nonce: JD6qXr +.. section: Library + +zipfile now ignores garbage at the end of a zipfile. + +.. + +.. bpo: 12283 +.. date: 7081 +.. nonce: OzN3R- +.. section: Library + +Fixed regression in smtplib quoting of leading dots in DATA. + +.. + +.. bpo: 10424 +.. date: 7080 +.. nonce: 9NKvd_ +.. section: Library + +Argparse now includes the names of the missing required arguments in the +missing arguments error message. + +.. + +.. bpo: 12168 +.. date: 7079 +.. nonce: GRVioI +.. section: Library + +SysLogHandler now allows NUL termination to be controlled using a new +'append_nul' attribute on the handler. + +.. + +.. bpo: 11583 +.. date: 7078 +.. nonce: Wu1xMh +.. section: Library + +Speed up os.path.isdir on Windows by using GetFileAttributes instead of +os.stat. + +.. + +.. bpo: 12021 +.. date: 7077 +.. nonce: b_Jq9W +.. section: Library + +Make mmap's read() method argument optional. Patch by Petri Lehtinen. + +.. + +.. bpo: 9205 +.. date: 7076 +.. nonce: IiqgOg +.. section: Library + +concurrent.futures.ProcessPoolExecutor now detects killed children and +raises BrokenProcessPool in such a situation. Previously it would reliably +freeze/deadlock. + +.. + +.. bpo: 12040 +.. date: 7075 +.. nonce: 02V02j +.. section: Library + +Expose a new attribute ``sentinel`` on instances of +``multiprocessing.Process``. Also, fix Process.join() to not use polling +anymore, when given a timeout. + +.. + +.. bpo: 11893 +.. date: 7074 +.. nonce: iMoME1 +.. section: Library + +Remove obsolete internal wrapper class ``SSLFakeFile`` in the smtplib +module. Patch by Catalin Iacob. + +.. + +.. bpo: 12080 +.. date: 7073 +.. nonce: 8OzcSB +.. section: Library + +Fix a Decimal.power() case that took an unreasonably long time to compute. + +.. + +.. bpo: 12221 +.. date: 7072 +.. nonce: 5xT68z +.. section: Library + +Remove __version__ attributes from pyexpat, pickle, tarfile, pydoc, tkinter, +and xml.parsers.expat. This were useless version constants left over from +the Mercurial transition + +.. + +.. bpo: 0 +.. date: 7071 +.. nonce: aMnclC +.. section: Library + +Named tuples now work correctly with vars(). + +.. + +.. bpo: 12085 +.. date: 7070 +.. nonce: cu9-Sp +.. section: Library + +Fix an attribute error in subprocess.Popen destructor if the constructor has +failed, e.g. because of an undeclared keyword argument. Patch written by +Oleg Oshmyan. + +.. + +.. bpo: 12028 +.. date: 7069 +.. nonce: sM5p3N +.. section: Library + +Make threading._get_ident() public, rename it to threading.get_ident() and +document it. This function was already used using _thread.get_ident(). + +.. + +.. bpo: 12171 +.. date: 7068 +.. nonce: _FNzN6 +.. section: Library + +IncrementalEncoder.reset() of CJK codecs (multibytecodec) calls encreset() +instead of decreset(). + +.. + +.. bpo: 12218 +.. date: 7067 +.. nonce: 2aiksQ +.. section: Library + +Removed wsgiref.egg-info. + +.. + +.. bpo: 12196 +.. date: 7066 +.. nonce: xglGPS +.. section: Library + +Add pipe2() to the os module. + +.. + +.. bpo: 985064 +.. date: 7065 +.. nonce: GE6WST +.. section: Library + +Make plistlib more resilient to faulty input plists. Patch by Mher +Movsisyan. + +.. + +.. bpo: 1625 +.. date: 7064 +.. nonce: WPlRjA +.. section: Library + +BZ2File and bz2.decompress() now support multi-stream files. Initial patch +by Nir Aides. + +.. + +.. bpo: 12175 +.. date: 7063 +.. nonce: oUmsve +.. section: Library + +BufferedReader.read(-1) now calls raw.readall() if available. + +.. + +.. bpo: 12175 +.. date: 7062 +.. nonce: TtIm7y +.. section: Library + +FileIO.readall() now only reads the file position and size once. + +.. + +.. bpo: 12175 +.. date: 7061 +.. nonce: 9M55CV +.. section: Library + +RawIOBase.readall() now returns None if read() returns None. + +.. + +.. bpo: 12175 +.. date: 7060 +.. nonce: U3k4iw +.. section: Library + +FileIO.readall() now raises a ValueError instead of an IOError if the file +is closed. + +.. + +.. bpo: 11109 +.. date: 7059 +.. nonce: mYTn5W +.. section: Library + +New service_action method for BaseServer, used by ForkingMixin class for +cleanup. Initial Patch by Justin Warkentin. + +.. + +.. bpo: 12045 +.. date: 7058 +.. nonce: y9PAVO +.. section: Library + +Avoid duplicate execution of command in ctypes.util._get_soname(). Patch by +Sijin Joseph. + +.. + +.. bpo: 10818 +.. date: 7057 +.. nonce: p2OOKt +.. section: Library + +Remove the Tk GUI and the serve() function of the pydoc module, pydoc -g has +been deprecated in Python 3.2 and it has a new enhanced web server. + +.. + +.. bpo: 1441530 +.. date: 7056 +.. nonce: LRBsaM +.. section: Library + +In imaplib, read the data in one chunk to speed up large reads and simplify +code. + +.. + +.. bpo: 12070 +.. date: 7055 +.. nonce: XHrqGH +.. section: Library + +Fix the Makefile parser of the sysconfig module to handle correctly +references to "bogus variable" (e.g. "prefix=$/opt/python"). + +.. + +.. bpo: 12100 +.. date: 7054 +.. nonce: 4sb-gJ +.. section: Library + +Don't reset incremental encoders of CJK codecs at each call to their +encode() method anymore, but continue to call the reset() method if the +final argument is True. + +.. + +.. bpo: 12049 +.. date: 7053 +.. nonce: MLrAfb +.. section: Library + +Add RAND_bytes() and RAND_pseudo_bytes() functions to the ssl module. + +.. + +.. bpo: 6501 +.. date: 7052 +.. nonce: _pBcrH +.. section: Library + +os.device_encoding() returns None on Windows if the application has no +console. + +.. + +.. bpo: 12105 +.. date: 7051 +.. nonce: iqnRFC +.. section: Library + +Add O_CLOEXEC to the os module. + +.. + +.. bpo: 12079 +.. date: 7050 +.. nonce: Pa0Xnc +.. section: Library + +Decimal('Infinity').fma(Decimal('0'), (3.91224318126786e+19+0j)) now raises +TypeError (reflecting the invalid type of the 3rd argument) rather than +Decimal.InvalidOperation. + +.. + +.. bpo: 12124 +.. date: 7049 +.. nonce: qpMI7g +.. section: Library + +zipimport doesn't keep a reference to zlib.decompress() anymore to be able +to unload the module. + +.. + +.. bpo: 0 +.. date: 7048 +.. nonce: MTEU1O +.. section: Library + +Add the packaging module, an improved fork of distutils (also known as +distutils2). + +.. + +.. bpo: 12065 +.. date: 7047 +.. nonce: FBZpyD +.. section: Library + +connect_ex() on an SSL socket now returns the original errno when the +socket's timeout expires (it used to return None). + +.. + +.. bpo: 8809 +.. date: 7046 +.. nonce: mzayBk +.. section: Library + +The SMTP_SSL constructor and SMTP.starttls() now support passing a +``context`` argument pointing to an ssl.SSLContext instance. Patch by Kasun +Herath. + +.. + +.. bpo: 9516 +.. date: 7045 +.. nonce: 1FkfGU +.. section: Library + +avoid errors in sysconfig when MACOSX_DEPLOYMENT_TARGET is set in shell. +(See also: bpo-9516) + +.. + +.. bpo: 8650 +.. date: 7044 +.. nonce: P1nZQt +.. section: Library + +Make zlib module 64-bit clean. compress(), decompress() and their +incremental counterparts now raise OverflowError if given an input larger +than 4GB, instead of silently truncating the input and returning an +incorrect result. + +.. + +.. bpo: 12050 +.. date: 7043 +.. nonce: v6HF9i +.. section: Library + +zlib.decompressobj().decompress() now clears the unconsumed_tail attribute +when called without a max_length argument. + +.. + +.. bpo: 12062 +.. date: 7042 +.. nonce: HAyT5M +.. section: Library + +Fix a flushing bug when doing a certain type of I/O sequence on a file +opened in read+write mode (namely: reading, seeking a bit forward, writing, +then seeking before the previous write but still within buffered data, and +writing again). + +.. + +.. bpo: 9971 +.. date: 7041 +.. nonce: Z-o-9t +.. section: Library + +Write an optimized implementation of BufferedReader.readinto(). Patch by +John O'Connor. + +.. + +.. bpo: 11799 +.. date: 7040 +.. nonce: _Ozr6W +.. section: Library + +urllib.request Authentication Handlers will raise a ValueError when +presented with an unsupported Authentication Scheme. Patch contributed by +Yuval Greenfield. + +.. + +.. bpo: 10419 +.. date: 7039 +.. nonce: OqiKFb +.. section: Library + +build_scripts command of distutils handles correctly non-ASCII path (path to +the Python executable). Open and write the script in binary mode, but ensure +that the shebang is decodable from UTF-8 and from the encoding of the +script. (See also: bpo-6011) + +.. + +.. bpo: 8498 +.. date: 7038 +.. nonce: 5UEPSK +.. section: Library + +In socket.accept(), allow to specify 0 as a backlog value in order to accept +exactly one connection. Patch by Daniel Evers. + +.. + +.. bpo: 12011 +.. date: 7037 +.. nonce: TtS2iR +.. section: Library + +signal.signal() and signal.siginterrupt() raise an OSError, instead of a +RuntimeError: OSError has an errno attribute. + +.. + +.. bpo: 3709 +.. date: 7036 +.. nonce: HqOM_3 +.. section: Library + +add a flush_headers method to BaseHTTPRequestHandler, which manages the +sending of headers to output stream and flushing the internal headers +buffer. Patch contribution by Andrew Schaaf + +.. + +.. bpo: 11743 +.. date: 7035 +.. nonce: 1AlJlQ +.. section: Library + +Rewrite multiprocessing connection classes in pure Python. + +.. + +.. bpo: 11164 +.. date: 7034 +.. nonce: OUjg8d +.. section: Library + +Stop trying to use _xmlplus in the xml module. + +.. + +.. bpo: 11888 +.. date: 7033 +.. nonce: KH8iKl +.. section: Library + +Add log2 function to math module. Patch written by Mark Dickinson. + +.. + +.. bpo: 12012 +.. date: 7032 +.. nonce: raFUoR +.. section: Library + +ssl.PROTOCOL_SSLv2 becomes optional. + +.. + +.. bpo: 8407 +.. date: 7031 +.. nonce: thKVew +.. section: Library + +The signal handler writes the signal number as a single byte instead of a +nul byte into the wakeup file descriptor. So it is possible to wait more +than one signal and know which signals were raised. + +.. + +.. bpo: 8407 +.. date: 7030 +.. nonce: qQClST +.. section: Library + +Add pthread_kill(), sigpending() and sigwait() functions to the signal +module. + +.. + +.. bpo: 11927 +.. date: 7029 +.. nonce: UqvRAV +.. section: Library + +SMTP_SSL now uses port 465 by default as documented. Patch by Kasun Herath. + +.. + +.. bpo: 12002 +.. date: 7028 +.. nonce: ySceLp +.. section: Library + +ftplib's abort() method raises TypeError. + +.. + +.. bpo: 11916 +.. date: 7027 +.. nonce: C6SFtK +.. section: Library + +Add a number of MacOSX specific definitions to the errno module. Patch by +Pierre Carrier. + +.. + +.. bpo: 11999 +.. date: 7026 +.. nonce: aLa-HD +.. section: Library + +fixed sporadic sync failure mailbox.Maildir due to its trying to detect +mtime changes by comparing to the system clock instead of to the previous +value of the mtime. + +.. + +.. bpo: 11072 +.. date: 7025 +.. nonce: _qLz7b +.. section: Library + +added MLSD command (RFC-3659) support to ftplib. + +.. + +.. bpo: 8808 +.. date: 7024 +.. nonce: i3pQ9N +.. section: Library + +The IMAP4_SSL constructor now allows passing an SSLContext parameter to +control parameters of the secure channel. Patch by Sijin Joseph. + +.. + +.. bpo: 0 +.. date: 7023 +.. nonce: asMCib +.. section: Library + +ntpath.samefile failed to notice that "a.txt" and "A.TXT" refer to the same +file on Windows XP. As noticed in issue #10684. + +.. + +.. bpo: 12000 +.. date: 7022 +.. nonce: naVBbY +.. section: Library + +When a SSL certificate has a subjectAltName without any dNSName entry, +ssl.match_hostname() should use the subject's commonName. Patch by Nicolas +Bareil. + +.. + +.. bpo: 10775 +.. date: 7021 +.. nonce: dKr3L1 +.. section: Library + +assertRaises, assertRaisesRegex, assertWarns, and assertWarnsRegex now +accept a keyword argument 'msg' when used as context managers. Initial +patch by Winston Ewert. + +.. + +.. bpo: 10684 +.. date: 7020 +.. nonce: Ctye6o +.. section: Library + +shutil.move used to delete a folder on case insensitive filesystems when the +source and destination name where the same except for the case. + +.. + +.. bpo: 11647 +.. date: 7019 +.. nonce: bQbrSQ +.. section: Library + +objects created using contextlib.contextmanager now support more than one +call to the function when used as a decorator. Initial patch by Ysj Ray. + +.. + +.. bpo: 11930 +.. date: 7018 +.. nonce: SoqpJZ +.. section: Library + +Removed deprecated time.accept2dyear variable. Removed year >= 1000 +restriction from datetime.strftime. + +.. + +.. bpo: 0 +.. date: 7017 +.. nonce: IpkrD1 +.. section: Library + +logging: don't define QueueListener if Python has no thread support. + +.. + +.. bpo: 0 +.. date: 7016 +.. nonce: LjAjbQ +.. section: Library + +functools.cmp_to_key() now works with collections.Hashable(). + +.. + +.. bpo: 11277 +.. date: 7015 +.. nonce: 4nCUxv +.. section: Library + +mmap.mmap() calls fcntl(fd, F_FULLFSYNC) on Mac OS X to get around a mmap +bug with sparse files. Patch written by Steffen Daode Nurpmeso. + +.. + +.. bpo: 8407 +.. date: 7014 +.. nonce: sa_qWj +.. section: Library + +Add signal.pthread_sigmask() function to fetch and/or change the signal mask +of the calling thread. + +.. + +.. bpo: 11858 +.. date: 7013 +.. nonce: d8k_Bq +.. section: Library + +configparser.ExtendedInterpolation expected lower-case section names. + +.. + +.. bpo: 11324 +.. date: 7012 +.. nonce: efNvmn +.. section: Library + +ConfigParser(interpolation=None) now works correctly. + +.. + +.. bpo: 11811 +.. date: 7011 +.. nonce: zPdTcR +.. section: Library + +ssl.get_server_certificate() is now IPv6-compatible. Patch by Charles- +François Natali. + +.. + +.. bpo: 11763 +.. date: 7010 +.. nonce: LPGrnG +.. section: Library + +don't use difflib in TestCase.assertMultiLineEqual if the strings are too +long. + +.. + +.. bpo: 11236 +.. date: 7009 +.. nonce: DyWdnL +.. section: Library + +getpass.getpass responds to ctrl-c or ctrl-z on terminal. + +.. + +.. bpo: 11856 +.. date: 7008 +.. nonce: cOY1P0 +.. section: Library + +Speed up parsing of JSON numbers. + +.. + +.. bpo: 11005 +.. date: 7007 +.. nonce: qK2lXb +.. section: Library + +threading.RLock()._release_save() raises a RuntimeError if the lock was not +acquired. + +.. + +.. bpo: 11258 +.. date: 7006 +.. nonce: ByPGev +.. section: Library + +Speed up ctypes.util.find_library() under Linux by a factor of 5 to 10. +Initial patch by Jonas H. + +.. + +.. bpo: 11382 +.. date: 7005 +.. nonce: nUdK_g +.. section: Library + +Trivial system calls, such as dup() or pipe(), needn't release the GIL. +Patch by Charles-François Natali. + +.. + +.. bpo: 11223 +.. date: 7004 +.. nonce: eTi4MT +.. section: Library + +Add threading._info() function providing informations about the thread +implementation. + +.. + +.. bpo: 11731 +.. date: 7003 +.. nonce: BtJ0ZE +.. section: Library + +simplify/enhance email parser/generator API by introducing policy objects. + +.. + +.. bpo: 11768 +.. date: 7002 +.. nonce: HRg5Hy +.. section: Library + +The signal handler of the signal module only calls Py_AddPendingCall() for +the first signal to fix a deadlock on reentrant or parallel calls. +PyErr_SetInterrupt() writes also into the wake up file. + +.. + +.. bpo: 11492 +.. date: 7001 +.. nonce: Ivqdzz +.. section: Library + +fix several issues with header folding in the email package. + +.. + +.. bpo: 11852 +.. date: 7000 +.. nonce: LXhUki +.. section: Library + +Add missing imports and update tests. + +.. + +.. bpo: 11875 +.. date: 6999 +.. nonce: xFn-yD +.. section: Library + +collections.OrderedDict's __reduce__ was temporarily mutating the object +instead of just working on a copy. + +.. + +.. bpo: 11467 +.. date: 6998 +.. nonce: th8B0N +.. section: Library + +Fix urlparse behavior when handling urls which contains scheme specific part +only digits. Patch by Santoso Wijaya. + +.. + +.. bpo: 0 +.. date: 6997 +.. nonce: MOd782 +.. section: Library + +collections.Counter().copy() now works correctly for subclasses. + +.. + +.. bpo: 11474 +.. date: 6996 +.. nonce: UKTAWA +.. section: Library + +Fix the bug with url2pathname() handling of '/C|/' on Windows. Patch by +Santoso Wijaya. + +.. + +.. bpo: 11684 +.. date: 6995 +.. nonce: izuveW +.. section: Library + +complete email.parser bytes API by adding BytesHeaderParser. + +.. + +.. bpo: 0 +.. date: 6994 +.. nonce: 2EP4gU +.. section: Library + +The bz2 module now handles 4GiB+ input buffers correctly. + +.. + +.. bpo: 9233 +.. date: 6993 +.. nonce: AIRcqi +.. section: Library + +Fix json.loads('{}') to return a dict (instead of a list), when _json is not +available. + +.. + +.. bpo: 11830 +.. date: 6992 +.. nonce: XeNc48 +.. section: Library + +Remove unnecessary introspection code in the decimal module. + +.. + +.. bpo: 11703 +.. date: 6991 +.. nonce: hwI5Mw +.. section: Library + +urllib2.geturl() does not return correct url when the original url contains +#fragment. + +.. + +.. bpo: 10019 +.. date: 6990 +.. nonce: J7QVFU +.. section: Library + +Fixed regression in json module where an indent of 0 stopped adding newlines +and acted instead like 'None'. + +.. + +.. bpo: 11186 +.. date: 6989 +.. nonce: qu3iUb +.. section: Library + +pydoc ignores a module if its name contains a surrogate character in the +index of modules. + +.. + +.. bpo: 11815 +.. date: 6988 +.. nonce: BpBrgi +.. section: Library + +Use a light-weight SimpleQueue for the result queue in +concurrent.futures.ProcessPoolExecutor. + +.. + +.. bpo: 5162 +.. date: 6987 +.. nonce: UYJrO- +.. section: Library + +Treat services like frozen executables to allow child spawning from +multiprocessing.forking on Windows. + +.. + +.. bpo: 0 +.. date: 6986 +.. nonce: XxWMZ2 +.. section: Library + +logging.basicConfig now supports an optional 'handlers' argument taking an +iterable of handlers to be added to the root logger. Additional parameter +checks were also added to basicConfig. + +.. + +.. bpo: 11814 +.. date: 6985 +.. nonce: yh-Xda +.. section: Library + +Fix likely typo in multiprocessing.Pool._terminate(). + +.. + +.. bpo: 11747 +.. date: 6984 +.. nonce: lKOBOF +.. section: Library + +Fix range formatting in difflib.context_diff() and difflib.unified_diff(). + +.. + +.. bpo: 8428 +.. date: 6983 +.. nonce: vVu7J6 +.. section: Library + +Fix a race condition in multiprocessing.Pool when terminating worker +processes: new processes would be spawned while the pool is being shut down. +Patch by Charles-François Natali. + +.. + +.. bpo: 2650 +.. date: 6982 +.. nonce: djYtFZ +.. section: Library + +re.escape() no longer escapes the '_'. + +.. + +.. bpo: 11757 +.. date: 6981 +.. nonce: 3CIyys +.. section: Library + +select.select() now raises ValueError when a negative timeout is passed +(previously, a select.error with EINVAL would be raised). Patch by Charles- +François Natali. + +.. + +.. bpo: 7311 +.. date: 6980 +.. nonce: nkDzzK +.. section: Library + +fix html.parser to accept non-ASCII attribute values. + +.. + +.. bpo: 11605 +.. date: 6979 +.. nonce: abhSAm +.. section: Library + +email.parser.BytesFeedParser was incorrectly converting multipart subparts +with an 8-bit CTE into unicode instead of preserving the bytes. + +.. + +.. bpo: 1690608 +.. date: 6978 +.. nonce: _T2fOa +.. section: Library + +email.util.formataddr is now RFC 2047 aware: it now has a charset parameter +that defaults to utf-8 and is used as the charset for RFC 2047 encoding when +the realname contains non-ASCII characters. + +.. + +.. bpo: 10963 +.. date: 6977 +.. nonce: _J-MW9 +.. section: Library + +Ensure that subprocess.communicate() never raises EPIPE. + +.. + +.. bpo: 10791 +.. date: 6976 +.. nonce: mHfCtE +.. section: Library + +Implement missing method GzipFile.read1(), allowing GzipFile to be wrapped +in a TextIOWrapper. Patch by Nadeem Vawda. + +.. + +.. bpo: 11707 +.. date: 6975 +.. nonce: cmDQZT +.. section: Library + +Added a fast C version of functools.cmp_to_key(). Patch by Filip +Gruszczyński. + +.. + +.. bpo: 11688 +.. date: 6974 +.. nonce: Uuorl0 +.. section: Library + +Add sqlite3.Connection.set_trace_callback(). Patch by Torsten Landschoff. + +.. + +.. bpo: 11746 +.. date: 6973 +.. nonce: kN0IW0 +.. section: Library + +Fix SSLContext.load_cert_chain() to accept elliptic curve private keys. + +.. + +.. bpo: 5863 +.. date: 6972 +.. nonce: ixlLlC +.. section: Library + +Rewrite BZ2File in pure Python, and allow it to accept file-like objects +using a new ``fileobj`` constructor argument. Patch by Nadeem Vawda. + +.. + +.. bpo: 0 +.. date: 6971 +.. nonce: L28oNg +.. section: Library + +unittest.TestCase.assertSameElements has been removed. + +.. + +.. bpo: 0 +.. date: 6970 +.. nonce: qBQpRY +.. section: Library + +sys.getfilesystemencoding() raises a RuntimeError if initfsencoding() was +not called yet: detect bootstrap (startup) issues earlier. + +.. + +.. bpo: 11393 +.. date: 6969 +.. nonce: gBYtdm +.. section: Library + +Add the new faulthandler module. + +.. + +.. bpo: 11618 +.. date: 6968 +.. nonce: PIi14g +.. section: Library + +Fix the timeout logic in threading.Lock.acquire() under Windows. + +.. + +.. bpo: 0 +.. date: 6967 +.. nonce: wWchne +.. section: Library + +Removed the 'strict' argument to email.parser.Parser, which has been +deprecated since Python 2.4. + +.. + +.. bpo: 11256 +.. date: 6966 +.. nonce: AVqrHZ +.. section: Library + +Fix inspect.getcallargs on functions that take only keyword arguments. + +.. + +.. bpo: 11696 +.. date: 6965 +.. nonce: dzz7nM +.. section: Library + +Fix ID generation in msilib. + +.. + +.. bpo: 0 +.. date: 6964 +.. nonce: aKw9Fi +.. section: Library + +itertools.accumulate now supports an optional *func* argument for a user- +supplied binary function. + +.. + +.. bpo: 11692 +.. date: 6963 +.. nonce: aWiGD_ +.. section: Library + +Remove unnecessary demo functions in subprocess module. + +.. + +.. bpo: 9696 +.. date: 6962 +.. nonce: Nh0u8J +.. section: Library + +Fix exception incorrectly raised by xdrlib.Packer.pack_int when trying to +pack a negative (in-range) integer. + +.. + +.. bpo: 11675 +.. date: 6961 +.. nonce: qFfmkU +.. section: Library + +multiprocessing.[Raw]Array objects created from an integer size are now +zeroed on creation. This matches the behaviour specified by the +documentation. + +.. + +.. bpo: 7639 +.. date: 6960 +.. nonce: ttVfZV +.. section: Library + +Fix short file name generation in bdist_msi + +.. + +.. bpo: 11635 +.. date: 6959 +.. nonce: ErmdVh +.. section: Library + +Don't use polling in worker threads and processes launched by +concurrent.futures. + +.. + +.. bpo: 5845 +.. date: 6958 +.. nonce: V5g-10 +.. section: Library + +Automatically read readline configuration to enable completion in +interactive mode. + +.. + +.. bpo: 6811 +.. date: 6957 +.. nonce: P4Ow1B +.. section: Library + +Allow importlib to change a code object's co_filename attribute to match the +path to where the source code currently is, not where the code object +originally came from. + +.. + +.. bpo: 8754 +.. date: 6956 +.. nonce: DgUK1D +.. section: Library + +Have importlib use the repr of a module name in error messages. + +.. + +.. bpo: 11591 +.. date: 6955 +.. nonce: 3MRS7c +.. section: Library + +Prevent "import site" from modifying sys.path when python was started with +-S. + +.. + +.. bpo: 0 +.. date: 6954 +.. nonce: NdkoX9 +.. section: Library + +collections.namedtuple() now adds a _source attribute to the generated +class. This make the source more accessible than the outdated "verbose" +option which prints to stdout but doesn't make the source string available. + +.. + +.. bpo: 11371 +.. date: 6953 +.. nonce: 3bqYOV +.. section: Library + +Mark getopt error messages as localizable. Patch by Filip Gruszczyński. + +.. + +.. bpo: 11333 +.. date: 6952 +.. nonce: JTagBm +.. section: Library + +Add __slots__ to collections ABCs. + +.. + +.. bpo: 11628 +.. date: 6951 +.. nonce: yPBMU_ +.. section: Library + +cmp_to_key generated class should use __slots__. + +.. + +.. bpo: 11666 +.. date: 6950 +.. nonce: Hni56e +.. section: Library + +let help() display named tuple attributes and methods that start with a +leading underscore. + +.. + +.. bpo: 11662 +.. date: 6949 +.. nonce: GpHbgk +.. section: Library + +Make urllib and urllib2 ignore redirections if the scheme is not HTTP, HTTPS +or FTP (CVE-2011-1521). + +.. + +.. bpo: 5537 +.. date: 6948 +.. nonce: q0UE2m +.. section: Library + +Fix time2isoz() and time2netscape() functions of httplib.cookiejar for +expiration year greater than 2038 on 32-bit systems. + +.. + +.. bpo: 4391 +.. date: 6947 +.. nonce: GMIMpz +.. section: Library + +Use proper gettext plural forms in optparse. + +.. + +.. bpo: 11127 +.. date: 6946 +.. nonce: 4GWP_C +.. section: Library + +Raise a TypeError when trying to pickle a socket object. + +.. + +.. bpo: 11563 +.. date: 6945 +.. nonce: 702cVt +.. section: Library + +``Connection: close`` header is sent by requests using URLOpener class which +helps in closing of sockets after connection is over. Patch contributions by +Jeff McNeil and Nadeem Vawda. + +.. + +.. bpo: 11459 +.. date: 6944 +.. nonce: f4i9Bf +.. section: Library + +A ``bufsize`` value of 0 in subprocess.Popen() really creates unbuffered +pipes, such that select() works properly on them. + +.. + +.. bpo: 5421 +.. date: 6943 +.. nonce: 4wp0pz +.. section: Library + +Fix misleading error message when one of socket.sendto()'s arguments has the +wrong type. Patch by Nikita Vetoshkin. + +.. + +.. bpo: 10812 +.. date: 6942 +.. nonce: SDYHye +.. section: Library + +Add some extra posix functions to the os module. + +.. + +.. bpo: 10979 +.. date: 6941 +.. nonce: FjyVrT +.. section: Library + +unittest stdout buffering now works with class and module setup and +teardown. + +.. + +.. bpo: 11243 +.. date: 6940 +.. nonce: _emVe6 +.. section: Library + +fix the parameter querying methods of Message to work if the headers contain +un-encoded non-ASCII data. + +.. + +.. bpo: 11401 +.. date: 6939 +.. nonce: 7UJeno +.. section: Library + +fix handling of headers with no value; this fixes a regression relative to +Python2 and the result is now the same as it was in Python2. + +.. + +.. bpo: 9298 +.. date: 6938 +.. nonce: FZ6yRG +.. section: Library + +base64 bodies weren't being folded to line lengths less than 78, which was a +regression relative to Python2. Unlike Python2, the last line of the folded +body now ends with a carriage return. + +.. + +.. bpo: 11560 +.. date: 6937 +.. nonce: YdCxl_ +.. section: Library + +shutil.unpack_archive now correctly handles the format parameter. Patch by +Evan Dandrea. + +.. + +.. bpo: 5870 +.. date: 6936 +.. nonce: MbVhBZ +.. section: Library + +Add `subprocess.DEVNULL` constant. + +.. + +.. bpo: 11133 +.. date: 6935 +.. nonce: _4ZD-9 +.. section: Library + +fix two cases where inspect.getattr_static can trigger code execution. Patch +by Andreas Stührk. + +.. + +.. bpo: 11569 +.. date: 6934 +.. nonce: fp461F +.. section: Library + +use absolute path to the sysctl command in multiprocessing to ensure that it +will be found regardless of the shell PATH. This ensures that +multiprocessing.cpu_count works on default installs of MacOSX. + +.. + +.. bpo: 11501 +.. date: 6933 +.. nonce: -vZ32Q +.. section: Library + +disutils.archive_utils.make_zipfile no longer fails if zlib is not +installed. Instead, the zipfile.ZIP_STORED compression is used to create the +ZipFile. Patch by Natalia B. Bidart. + +.. + +.. bpo: 11289 +.. date: 6932 +.. nonce: aDbXm5 +.. section: Library + +`smtp.SMTP` class is now a context manager so it can be used in a `with` +statement. Contributed by Giampaolo Rodola. + +.. + +.. bpo: 11554 +.. date: 6931 +.. nonce: MYdNID +.. section: Library + +Fixed support for Japanese codecs; previously the body output encoding was +not done if euc-jp or shift-jis was specified as the charset. + +.. + +.. bpo: 11407 +.. date: 6930 +.. nonce: bSuznF +.. section: Library + +`TestCase.run` returns the result object used or created. Contributed by +Janathan Hartley. + +.. + +.. bpo: 11500 +.. date: 6929 +.. nonce: 4VGZ_H +.. section: Library + +Fixed a bug in the OS X proxy bypass code for fully qualified IP addresses +in the proxy exception list. + +.. + +.. bpo: 11491 +.. date: 6928 +.. nonce: 9AofzL +.. section: Library + +dbm.error is no longer raised when dbm.open is called with the "n" as the +flag argument and the file exists. The behavior matches the documentation +and general logic. + +.. + +.. bpo: 1162477 +.. date: 6927 +.. nonce: IqG00q +.. section: Library + +Postel Principle adjustment to email date parsing: handle the fact that some +non-compliant MUAs use '.' instead of ':' in time specs. + +.. + +.. bpo: 11131 +.. date: 6926 +.. nonce: dFvbxY +.. section: Library + +Fix sign of zero in decimal.Decimal plus and minus operations when the +rounding mode is ROUND_FLOOR. + +.. + +.. bpo: 9935 +.. date: 6925 +.. nonce: ByimAG +.. section: Library + +Speed up pickling of instances of user-defined classes. + +.. + +.. bpo: 5622 +.. date: 6924 +.. nonce: dM7tnW +.. section: Library + +Fix curses.wrapper to raise correct exception if curses initialization +fails. + +.. + +.. bpo: 11408 +.. date: 6923 +.. nonce: 2I9Wug +.. section: Library + +In threading.Lock.acquire(), only call gettimeofday() when really necessary. +Patch by Charles-François Natali. + +.. + +.. bpo: 11391 +.. date: 6922 +.. nonce: hdoRPe +.. section: Library + +Writing to a mmap object created with ``mmap.PROT_READ|mmap.PROT_EXEC`` +would segfault instead of raising a TypeError. Patch by Charles-François +Natali. + +.. + +.. bpo: 9795 +.. date: 6921 +.. nonce: emEJ5A +.. section: Library + +add context manager protocol support for nntplib.NNTP class. + +.. + +.. bpo: 11306 +.. date: 6920 +.. nonce: 2rXDt4 +.. section: Library + +mailbox in certain cases adapts to an inability to open certain files in +read-write mode. Previously it detected this by checking for EACCES, now it +also checks for EROFS. + +.. + +.. bpo: 11265 +.. date: 6919 +.. nonce: Y51oyn +.. section: Library + +asyncore now correctly handles EPIPE, EBADF and EAGAIN errors on accept(), +send() and recv(). + +.. + +.. bpo: 11377 +.. date: 6918 +.. nonce: egHPHS +.. section: Library + +Deprecate platform.popen() and reimplement it with os.popen(). + +.. + +.. bpo: 8513 +.. date: 6917 +.. nonce: h1wmX9 +.. section: Library + +On UNIX, subprocess supports bytes command string. + +.. + +.. bpo: 10866 +.. date: 6916 +.. nonce: u6K21Z +.. section: Library + +Add socket.sethostname(). Initial patch by Ross Lagerwall. + +.. + +.. bpo: 11140 +.. date: 6915 +.. nonce: LHg9_O +.. section: Library + +Lock.release() now raises a RuntimeError when attempting to release an +unacquired lock, as claimed in the threading documentation. The +_thread.error exception is now an alias of RuntimeError. Patch by Filip +Gruszczyński. Patch for _dummy_thread by Aymeric Augustin. + +.. + +.. bpo: 8594 +.. date: 6914 +.. nonce: LUyo_- +.. section: Library + +ftplib now provides a source_address parameter to specify which (address, +port) to bind to before connecting. + +.. + +.. bpo: 11326 +.. date: 6913 +.. nonce: 2GUPyU +.. section: Library + +Add the missing connect_ex() implementation for SSL sockets, and make it +work for non-blocking connects. + +.. + +.. bpo: 11297 +.. date: 6912 +.. nonce: bGgJwA +.. section: Library + +Add collections.ChainMap(). + +.. + +.. bpo: 10755 +.. date: 6911 +.. nonce: 0XO-4U +.. section: Library + +Add the posix.flistdir() function. Patch by Ross Lagerwall. + +.. + +.. bpo: 4761 +.. date: 6910 +.. nonce: Z7tR3t +.. section: Library + +Add the ``*at()`` family of functions (openat(), etc.) to the posix module. +Patch by Ross Lagerwall. + +.. + +.. bpo: 7322 +.. date: 6909 +.. nonce: jfgOL8 +.. section: Library + +Trying to read from a socket's file-like object after a timeout occurred now +raises an error instead of silently losing data. + +.. + +.. bpo: 11291 +.. date: 6908 +.. nonce: NY4uFI +.. section: Library + +poplib.POP no longer suppresses errors on quit(). + +.. + +.. bpo: 11177 +.. date: 6907 +.. nonce: M6R7fe +.. section: Library + +asyncore's create_socket() arguments can now be omitted. + +.. + +.. bpo: 6064 +.. date: 6906 +.. nonce: 4URz7L +.. section: Library + +Add a ``daemon`` keyword argument to the threading.Thread and +multiprocessing.Process constructors in order to override the default +behaviour of inheriting the daemonic property from the current +thread/process. + +.. + +.. bpo: 10956 +.. date: 6905 +.. nonce: ArNOt6 +.. section: Library + +Buffered I/O classes retry reading or writing after a signal has arrived and +the handler returned successfully. + +.. + +.. bpo: 10784 +.. date: 6904 +.. nonce: xKXqdg +.. section: Library + +New os.getpriority() and os.setpriority() functions. + +.. + +.. bpo: 11114 +.. date: 6903 +.. nonce: jQcNdM +.. section: Library + +Fix catastrophic performance of tell() on text files (up to 1000x faster in +some cases). It is still one to two order of magnitudes slower than binary +tell(). + +.. + +.. bpo: 10882 +.. date: 6902 +.. nonce: kxNAqA +.. section: Library + +Add os.sendfile function. + +.. + +.. bpo: 10868 +.. date: 6901 +.. nonce: YrdKiG +.. section: Library + +Allow usage of the register method of an ABC as a class decorator. + +.. + +.. bpo: 11224 +.. date: 6900 +.. nonce: G2n8Hf +.. section: Library + +Fixed a regression in tarfile that affected the file-like objects returned +by TarFile.extractfile() regarding performance, memory consumption and +failures with the stream interface. + +.. + +.. bpo: 10924 +.. date: 6899 +.. nonce: FqL1oP +.. section: Library + +Adding salt and Modular Crypt Format to crypt library. Moved old C wrapper +to _crypt, and added a Python wrapper with enhanced salt generation and +simpler API for password generation. + +.. + +.. bpo: 11074 +.. date: 6898 +.. nonce: mVUwxu +.. section: Library + +Make 'tokenize' so it can be reloaded. + +.. + +.. bpo: 11085 +.. date: 6897 +.. nonce: PKAM9L +.. section: Library + +Moved collections abstract base classes into a separate module called +collections.abc, following the pattern used by importlib.abc. For backwards +compatibility, the names are imported into the collections module. + +.. + +.. bpo: 4681 +.. date: 6896 +.. nonce: I20jgq +.. section: Library + +Allow mmap() to work on file sizes and offsets larger than 4GB, even on +32-bit builds. Initial patch by Ross Lagerwall, adapted for 32-bit Windows. + +.. + +.. bpo: 11169 +.. date: 6895 +.. nonce: ggHFKQ +.. section: Library + +compileall module uses repr() to format filenames and paths to escape +surrogate characters and show spaces. + +.. + +.. bpo: 11089 +.. date: 6894 +.. nonce: 0lBf9j +.. section: Library + +Fix performance issue limiting the use of ConfigParser() with large config +files. + +.. + +.. bpo: 10276 +.. date: 6893 +.. nonce: qVeMft +.. section: Library + +Fix the results of zlib.crc32() and zlib.adler32() on buffers larger than +4GB. Patch by Nadeem Vawda. + +.. + +.. bpo: 11388 +.. date: 6892 +.. nonce: ehK5Tz +.. section: Library + +Added a clear() method to MutableSequence + +.. + +.. bpo: 11174 +.. date: 6891 +.. nonce: if_LrS +.. section: Library + +Add argparse.MetavarTypeHelpFormatter, which uses type names for the names +of optional and positional arguments in help messages. + +.. + +.. bpo: 9348 +.. date: 6890 +.. nonce: zsJPPj +.. section: Library + +Raise an early error if argparse nargs and metavar don't match. + +.. + +.. bpo: 9026 +.. date: 6889 +.. nonce: 2xqEFT +.. section: Library + +Fix order of argparse sub-commands in help messages. + +.. + +.. bpo: 9347 +.. date: 6888 +.. nonce: R8xBsQ +.. section: Library + +Fix formatting for tuples in argparse type= error messages. + +.. + +.. bpo: 12191 +.. date: 6887 +.. nonce: IRs2VK +.. section: Library + +Added shutil.chown() to change user and/or group owner of a given path also +specifying their names. + +.. + +.. bpo: 13988 +.. date: 6886 +.. nonce: vIrAol +.. section: Library + +The _elementtree accelerator is used whenever available. Now +xml.etree.cElementTree becomes a deprecated alias to ElementTree. + +.. + +.. bpo: 6807 +.. date: 6885 +.. nonce: lfskSG +.. section: Build + +Run msisupport.mak earlier. + +.. + +.. bpo: 10580 +.. date: 6884 +.. nonce: GkwWHF +.. section: Build + +Minor grammar change in Windows installer. + +.. + +.. bpo: 13326 +.. date: 6883 +.. nonce: A5vc-h +.. section: Build + +Clean __pycache__ directories correctly on OpenBSD. + +.. + +.. bpo: 0 +.. date: 6882 +.. nonce: X0qbPA +.. section: Build + +PEP 393: the configure option --with-wide-unicode is removed. + +.. + +.. bpo: 12852 +.. date: 6881 +.. nonce: L3yoLo +.. section: Build + +Set _XOPEN_SOURCE to 700, instead of 600, to get POSIX 2008 functions on +OpenBSD (e.g. fdopendir). + +.. + +.. bpo: 11863 +.. date: 6880 +.. nonce: K5wTQP +.. section: Build + +Remove support for legacy systems deprecated in Python 3.2 (following PEP +11). These systems are systems using Mach C Threads, SunOS lightweight +processes, GNU pth threads and IRIX threads. + +.. + +.. bpo: 8746 +.. date: 6879 +.. nonce: 4wBblz +.. section: Build + +Correct faulty configure checks so that os.chflags() and os.lchflags() are +once again built on systems that support these functions (BSD and OS X). +Also add new stat file flags for OS X (UF_HIDDEN and UF_COMPRESSED). + +.. + +.. bpo: 10645 +.. date: 6878 +.. nonce: O0VaIT +.. section: Build + +Installing Python no longer creates a Python-X.Y.Z-pyX.Y.egg-info file in +the lib-dynload directory. + +.. + +.. bpo: 0 +.. date: 6877 +.. nonce: eVQr4T +.. section: Build + +Do not accidentally include the directory containing sqlite.h twice when +building sqlite3. + +.. + +.. bpo: 11217 +.. date: 6876 +.. nonce: mIEwfc +.. section: Build + +For 64-bit/32-bit Mac OS X universal framework builds, ensure "make install" +creates symlinks in --prefix bin for the "-32" files in the framework bin +directory like the installer does. + +.. + +.. bpo: 11347 +.. date: 6875 +.. nonce: mQxebN +.. section: Build + +Use --no-as-needed when linking libpython3.so. + +.. + +.. bpo: 11411 +.. date: 6874 +.. nonce: 1m9fjv +.. section: Build + +Fix 'make DESTDIR=' with a relative destination. + +.. + +.. bpo: 11268 +.. date: 6873 +.. nonce: Lgcka6 +.. section: Build + +Prevent Mac OS X Installer failure if Documentation package had previously +been installed. + +.. + +.. bpo: 11495 +.. date: 6872 +.. nonce: h16zox +.. section: Build + +OSF support is eliminated. It was deprecated in Python 3.2. + +.. + +.. bpo: 14409 +.. date: 6871 +.. nonce: 8SNyRR +.. section: IDLE + +IDLE now properly executes commands in the Shell window when it cannot read +the normal config files on startup and has to use the built-in default key +bindings. There was previously a bug in one of the defaults. + +.. + +.. bpo: 0 +.. date: 6870 +.. nonce: ridGZu +.. section: IDLE + +IDLE can be launched as python -m idlelib + +.. + +.. bpo: 3573 +.. date: 6869 +.. nonce: FIbWrY +.. section: IDLE + +IDLE hangs when passing invalid command line args (directory(ies) instead of +file(s)) (Patch by Guilherme Polo) + +.. + +.. bpo: 14200 +.. date: 6868 +.. nonce: XVdh7w +.. section: IDLE + +IDLE shell crash on printing non-BMP unicode character. + +.. + +.. bpo: 5219 +.. date: 6867 +.. nonce: We72rp +.. section: IDLE + +Prevent event handler cascade in IDLE. + +.. + +.. bpo: 964437 +.. date: 6866 +.. nonce: buwNGK +.. section: IDLE + +Make IDLE help window non-modal. Patch by Guilherme Polo and Roger Serwy. + +.. + +.. bpo: 13933 +.. date: 6865 +.. nonce: 5CAw8l +.. section: IDLE + +IDLE auto-complete did not work with some imported module, like hashlib. +(Patch by Roger Serwy) + +.. + +.. bpo: 13506 +.. date: 6864 +.. nonce: ztXHhD +.. section: IDLE + +Add '' to path for IDLE Shell when started and restarted with Restart Shell. +Original patches by Marco Scataglini and Roger Serwy. + +.. + +.. bpo: 4625 +.. date: 6863 +.. nonce: 0SHZWo +.. section: IDLE + +If IDLE cannot write to its recent file or breakpoint files, display a +message popup and continue rather than crash. Original patch by Roger +Serwy. + +.. + +.. bpo: 8641 +.. date: 6862 +.. nonce: dzqFtr +.. section: IDLE + +Update IDLE 3 syntax coloring to recognize b".." and not u"..". Patch by Tal +Einat. + +.. + +.. bpo: 13296 +.. date: 6861 +.. nonce: bMHIFe +.. section: IDLE + +Fix IDLE to clear compile __future__ flags on shell restart. (Patch by Roger +Serwy) + +.. + +.. bpo: 9871 +.. date: 6860 +.. nonce: ViYtMq +.. section: IDLE + +Prevent IDLE 3 crash when given byte stings with invalid hex escape +sequences, like b'\x0'. (Original patch by Claudiu Popa.) + +.. + +.. bpo: 12636 +.. date: 6859 +.. nonce: TARH29 +.. section: IDLE + +IDLE reads the coding cookie when executing a Python script. + +.. + +.. bpo: 12540 +.. date: 6858 +.. nonce: J18oWI +.. section: IDLE + +Prevent zombie IDLE processes on Windows due to changes in os.kill(). + +.. + +.. bpo: 12590 +.. date: 6857 +.. nonce: dcDjo7 +.. section: IDLE + +IDLE editor window now always displays the first line when opening a long +file. With Tk 8.5, the first line was hidden. + +.. + +.. bpo: 11088 +.. date: 6856 +.. nonce: 08NI5v +.. section: IDLE + +don't crash when using F5 to run a script in IDLE on MacOSX with Tk 8.5. + +.. + +.. bpo: 1028 +.. date: 6855 +.. nonce: 59BMpc +.. section: IDLE + +Tk returns invalid Unicode null in %A: UnicodeDecodeError. With Tk < 8.5 +_tkinter.c:PythonCmd() raised UnicodeDecodeError, caused IDLE to exit. +Converted to valid Unicode null in PythonCmd(). + +.. + +.. bpo: 11718 +.. date: 6854 +.. nonce: giS1iY +.. section: IDLE + +IDLE's open module dialog couldn't find the __init__.py file in a package. + +.. + +.. bpo: 14053 +.. date: 6853 +.. nonce: tR4DDC +.. section: Tools/Demos + +patchcheck.py ("make patchcheck") now works with MQ patches. Patch by +Francisco Martín Brugué. + +.. + +.. bpo: 13930 +.. date: 6852 +.. nonce: jUdfJ- +.. section: Tools/Demos + +2to3 is now able to write its converted output files to another directory +tree as well as copying unchanged files and altering the file suffix. See +its new -o, -W and --add-suffix options. This makes it more useful in many +automated code translation workflows. + +.. + +.. bpo: 13628 +.. date: 6851 +.. nonce: XznUD3 +.. section: Tools/Demos + +python-gdb.py is now able to retrieve more frames in the Python traceback if +Python is optimized. + +.. + +.. bpo: 11996 +.. date: 6850 +.. nonce: 0vXv50 +.. section: Tools/Demos + +libpython (gdb), replace "py-bt" command by "py-bt-full" and add a smarter +"py-bt" command printing a classic Python traceback. + +.. + +.. bpo: 11179 +.. date: 6849 +.. nonce: EdCIMF +.. section: Tools/Demos + +Make ccbench work under Python 3.1 and 2.7 again. + +.. + +.. bpo: 10639 +.. date: 6848 +.. nonce: 49RqQh +.. section: Tools/Demos + +reindent.py no longer converts newlines and will raise an error if +attempting to convert a file with mixed newlines. "--newline" option added +to specify new line character. + +.. + +.. bpo: 16847 +.. date: 6847 +.. nonce: bJAkOo +.. section: Library + +Fixed improper use of _PyUnicode_CheckConsistency() in non-pydebug builds. +Several extension modules now compile cleanly when assert()s are enabled in +standard builds (-DDEBUG flag). + +.. + +.. bpo: 13840 +.. date: 6846 +.. nonce: px8cx7 +.. section: Library + +The error message produced by ctypes.create_string_buffer when given a +Unicode string has been fixed. + +.. + +.. bpo: 9975 +.. date: 6845 +.. nonce: 2SRKp5 +.. section: Library + +socket: Fix incorrect use of flowinfo and scope_id. Patch by Vilmos Nebehaj. + +.. + +.. bpo: 7777 +.. date: 6844 +.. nonce: ir5TxQ +.. section: Library + +socket: Add Reliable Datagram Sockets (PF_RDS) support. + +.. + +.. bpo: 13159 +.. date: 6843 +.. nonce: Y91UZj +.. section: Library + +FileIO and BZ2Compressor/BZ2Decompressor now use a linear-time buffer growth +strategy instead of a quadratic-time one. + +.. + +.. bpo: 10141 +.. date: 6842 +.. nonce: 2Bc-WI +.. section: Library + +socket: Add SocketCAN (PF_CAN) support. Initial patch by Matthias Fuchs, +updated by Tiago Gonçalves. + +.. + +.. bpo: 13070 +.. date: 6841 +.. nonce: zcoYVY +.. section: Library + +Fix a crash when a TextIOWrapper caught in a reference cycle would be +finalized after the reference to its underlying BufferedRWPair's writer got +cleared by the GC. + +.. + +.. bpo: 12881 +.. date: 6840 +.. nonce: IpOO6j +.. section: Library + +ctypes: Fix segfault with large structure field names. + +.. + +.. bpo: 13058 +.. date: 6839 +.. nonce: KJ3kEA +.. section: Library + +ossaudiodev: fix a file descriptor leak on error. Patch by Thomas Jarosch. + +.. + +.. bpo: 13013 +.. date: 6838 +.. nonce: KLH96V +.. section: Library + +ctypes: Fix a reference leak in PyCArrayType_from_ctype. Thanks to Suman +Saha for finding the bug and providing a patch. + +.. + +.. bpo: 13022 +.. date: 6837 +.. nonce: zeo8hs +.. section: Library + +Fix: _multiprocessing.recvfd() doesn't check that file descriptor was +actually received. + +.. + +.. bpo: 1172711 +.. date: 6836 +.. nonce: is5nD7 +.. section: Library + +Add 'long long' support to the array module. Initial patch by Oren Tirosh +and Hirokazu Yamamoto. + +.. + +.. bpo: 12483 +.. date: 6835 +.. nonce: IpGhKV +.. section: Library + +ctypes: Fix a crash when the destruction of a callback object triggers the +garbage collector. + +.. + +.. bpo: 12950 +.. date: 6834 +.. nonce: Z7xl-R +.. section: Library + +Fix passing file descriptors in multiprocessing, under OpenIndiana/Illumos. + +.. + +.. bpo: 12764 +.. date: 6833 +.. nonce: YtBoIj +.. section: Library + +Fix a crash in ctypes when the name of a Structure field is not a string. + +.. + +.. bpo: 11241 +.. date: 6832 +.. nonce: GEE_88 +.. section: Library + +subclasses of ctypes.Array can now be subclassed. + +.. + +.. bpo: 9651 +.. date: 6831 +.. nonce: INPcwf +.. section: Library + +Fix a crash when ctypes.create_string_buffer(0) was passed to some functions +like file.write(). + +.. + +.. bpo: 10309 +.. date: 6830 +.. nonce: -z_Mxz +.. section: Library + +Define _GNU_SOURCE so that mremap() gets the proper signature. Without +this, architectures where sizeof void* != sizeof int are broken. Patch +given by Hallvard B Furuseth. + +.. + +.. bpo: 12051 +.. date: 6829 +.. nonce: 7HjY_U +.. section: Library + +Fix segfault in json.dumps() while encoding highly-nested objects using the +C accelerations. + +.. + +.. bpo: 12017 +.. date: 6828 +.. nonce: w25YNq +.. section: Library + +Fix segfault in json.loads() while decoding highly-nested objects using the +C accelerations. + +.. + +.. bpo: 1838 +.. date: 6827 +.. nonce: EzKU3z +.. section: Library + +Prevent segfault in ctypes, when _as_parameter_ on a class is set to an +instance of the class. + +.. + +.. bpo: 13125 +.. date: 6826 +.. nonce: 8BjUbr +.. section: Tests + +Silence spurious test_lib2to3 output when in non-verbose mode. Patch by +Mikhail Novikov. + +.. + +.. bpo: 13447 +.. date: 6825 +.. nonce: _wys-6 +.. section: Tests + +Add a test file to host regression tests for bugs in the scripts found in +the Tools directory. + +.. + +.. bpo: 10881 +.. date: 6824 +.. nonce: r-D2Ib +.. section: Tests + +Fix test_site failure with OS X framework builds. + +.. + +.. bpo: 13901 +.. date: 6823 +.. nonce: ICKGPH +.. section: Tests + +Prevent test_distutils failures on OS X with --enable-shared. + +.. + +.. bpo: 13862 +.. date: 6822 +.. nonce: LHCO8n +.. section: Tests + +Fix spurious failure in test_zlib due to runtime/compile time minor versions +not matching. + +.. + +.. bpo: 12804 +.. date: 6821 +.. nonce: ELp5o1 +.. section: Tests + +Fix test_socket and test_urllib2net failures when running tests on a system +without internet access. + +.. + +.. bpo: 13726 +.. date: 6820 +.. nonce: xd336V +.. section: Tests + +Fix the ambiguous -S flag in regrtest. It is -o/--slow for slow tests. + +.. + +.. bpo: 11659 +.. date: 6819 +.. nonce: CsfDgK +.. section: Tests + +Fix ResourceWarning in test_subprocess introduced by #11459. Patch by Ben +Hayden. + +.. + +.. bpo: 11577 +.. date: 6818 +.. nonce: 2m2urP +.. section: Tests + +fix ResourceWarning triggered by improved binhex test coverage + +.. + +.. bpo: 11509 +.. date: 6817 +.. nonce: _zr0dM +.. section: Tests + +Significantly increase test coverage of fileinput. Patch by Denver +Coneybeare at PyCon 2011 Sprints. + +.. + +.. bpo: 11689 +.. date: 6816 +.. nonce: OlYa3Q +.. section: Tests + +Fix a variable scoping error in an sqlite3 test + +.. + +.. bpo: 13786 +.. date: 6815 +.. nonce: 9-p3Uu +.. section: Tests + +Remove unimplemented 'trace' long option from regrtest.py. + +.. + +.. bpo: 13725 +.. date: 6814 +.. nonce: A4geK5 +.. section: Tests + +Fix regrtest to recognize the documented -d flag. Patch by Erno Tukia. + +.. + +.. bpo: 13304 +.. date: 6813 +.. nonce: jDDi97 +.. section: Tests + +Skip test case if user site-packages disabled (-s or PYTHONNOUSERSITE). +(Patch by Carl Meyer) + +.. + +.. bpo: 5661 +.. date: 6812 +.. nonce: vU7MD_ +.. section: Tests + +Add a test for ECONNRESET/EPIPE handling to test_asyncore. Patch by Xavier +de Gaye. + +.. + +.. bpo: 13218 +.. date: 6811 +.. nonce: EZ3jnV +.. section: Tests + +Fix test_ssl failures on Debian/Ubuntu. + +.. + +.. bpo: 0 +.. date: 6810 +.. nonce: 4ktvta +.. section: Tests + +Re-enable lib2to3's test_parser.py tests, though with an expected failure +(see issue #13125). + +.. + +.. bpo: 12656 +.. date: 6809 +.. nonce: 8T6sbd +.. section: Tests + +Add tests for IPv6 and Unix sockets to test_asyncore. + +.. + +.. bpo: 6484 +.. date: 6808 +.. nonce: x-PPQs +.. section: Tests + +Add unit tests for mailcap module (patch by Gregory Nofi) + +.. + +.. bpo: 11651 +.. date: 6807 +.. nonce: NwvR8a +.. section: Tests + +Improve the Makefile test targets to run more of the test suite more +quickly. The --multiprocess option is now enabled by default, reducing the +amount of time needed to run the tests. "make test" and "make quicktest" now +include some resource-intensive tests, but no longer run the test suite +twice to check for bugs in .pyc generation. Tools/scripts/run_test.py +provides an easy platform-independent way to run test suite with sensible +defaults. + +.. + +.. bpo: 12331 +.. date: 6806 +.. nonce: UjcxFs +.. section: Tests + +The test suite for the packaging module can now run from an installed +Python. + +.. + +.. bpo: 12331 +.. date: 6805 +.. nonce: ZSPeJW +.. section: Tests + +The test suite for lib2to3 can now run from an installed Python. + +.. + +.. bpo: 12626 +.. date: 6804 +.. nonce: YLsif1 +.. section: Tests + +In regrtest, allow to filter tests using a glob filter with the ``-m`` (or +``--match``) option. This works with all test cases using the unittest +module. This is useful with long test suites such as test_io or +test_subprocess. + +.. + +.. bpo: 12624 +.. date: 6803 +.. nonce: WamK2X +.. section: Tests + +It is now possible to fail after the first failure when running in verbose +mode (``-v`` or ``-W``), by using the ``--failfast`` (or ``-G``) option to +regrtest. This is useful with long test suites such as test_io or +test_subprocess. + +.. + +.. bpo: 12587 +.. date: 6802 +.. nonce: O9yS9y +.. section: Tests + +Correct faulty test file and reference in test_tokenize. (Patch by Robert +Xiao) + +.. + +.. bpo: 12573 +.. date: 6801 +.. nonce: e2wPXo +.. section: Tests + +Add resource checks for dangling Thread and Process objects. + +.. + +.. bpo: 12549 +.. date: 6800 +.. nonce: S4urNL +.. section: Tests + +Correct test_platform to not fail when OS X returns 'x86_64' as the +processor type on some Mac systems. + +.. + +.. bpo: 0 +.. date: 6799 +.. nonce: EofQqr +.. section: Tests + +Skip network tests when getaddrinfo() returns EAI_AGAIN, meaning a temporary +failure in name resolution. + +.. + +.. bpo: 11812 +.. date: 6798 +.. nonce: jeNaCB +.. section: Tests + +Solve transient socket failure to connect to 'localhost' in +test_telnetlib.py. + +.. + +.. bpo: 0 +.. date: 6797 +.. nonce: cUdl39 +.. section: Tests + +Solved a potential deadlock in test_telnetlib.py. Related to issue #11812. + +.. + +.. bpo: 0 +.. date: 6796 +.. nonce: QtTimW +.. section: Tests + +Avoid failing in test_robotparser when mueblesmoraleda.com is flaky and an +overzealous DNS service (e.g. OpenDNS) redirects to a placeholder Web site. + +.. + +.. bpo: 0 +.. date: 6795 +.. nonce: Vvh-2P +.. section: Tests + +Avoid failing in test_urllibnet.test_bad_address when some overzealous DNS +service (e.g. OpenDNS) resolves a non-existent domain name. The test is now +skipped instead. + +.. + +.. bpo: 12440 +.. date: 6794 +.. nonce: wGLIEC +.. section: Tests + +When testing whether some bits in SSLContext.options can be reset, check the +version of the OpenSSL headers Python was compiled against, rather than the +runtime version of the OpenSSL library. + +.. + +.. bpo: 11512 +.. date: 6793 +.. nonce: EM5wvo +.. section: Tests + +Add a test suite for the cgitb module. Patch by Robbie Clemons. + +.. + +.. bpo: 12497 +.. date: 6792 +.. nonce: JuVrt4 +.. section: Tests + +Install test/data to prevent failures of the various codecmaps tests. + +.. + +.. bpo: 12496 +.. date: 6791 +.. nonce: ZoaG3t +.. section: Tests + +Install test/capath directory to prevent test_connect_capath testcase +failure in test_ssl. + +.. + +.. bpo: 12469 +.. date: 6790 +.. nonce: Q76Xcy +.. section: Tests + +Run wakeup and pending signal tests in a subprocess to run the test in a +fresh process with only one thread and to not change signal handling of the +parent process. + +.. + +.. bpo: 8716 +.. date: 6789 +.. nonce: -qUe-z +.. section: Tests + +Avoid crashes caused by Aqua Tk on OSX when attempting to run test_tk or +test_ttk_guionly under a username that is not currently logged in to the +console windowserver (as may be the case under buildbot or ssh). + +.. + +.. bpo: 12407 +.. date: 6788 +.. nonce: nGH9qb +.. section: Tests + +Explicitly skip test_capi.EmbeddingTest under Windows. + +.. + +.. bpo: 12400 +.. date: 6787 +.. nonce: 4MhGgH +.. section: Tests + +regrtest -W doesn't rerun the tests twice anymore, but captures the output +and displays it on failure instead. regrtest -v doesn't print the error +twice anymore if there is only one error. + +.. + +.. bpo: 12141 +.. date: 6786 +.. nonce: stIS2p +.. section: Tests + +Install copies of template C module file so that test_build_ext of +test_distutils and test_command_build_ext of test_packaging are no longer +silently skipped when run outside of a build directory. + +.. + +.. bpo: 8746 +.. date: 6785 +.. nonce: I497O- +.. section: Tests + +Add additional tests for os.chflags() and os.lchflags(). Patch by Garrett +Cooper. + +.. + +.. bpo: 10736 +.. date: 6784 +.. nonce: PHRQ-J +.. section: Tests + +Fix test_ttk test_widgets failures with Cocoa Tk 8.5.9 2.8+ on Mac OS X. +(Patch by Ronald Oussoren) + +.. + +.. bpo: 12057 +.. date: 6783 +.. nonce: 7QVG6T +.. section: Tests + +Add tests for ISO 2022 codecs (iso2022_jp, iso2022_jp_2, iso2022_kr). + +.. + +.. bpo: 12096 +.. date: 6782 +.. nonce: KLmxPC +.. section: Tests + +Fix a race condition in test_threading.test_waitfor(). Patch written by +Charles-François Natali. + +.. + +.. bpo: 11614 +.. date: 6781 +.. nonce: HO7tW9 +.. section: Tests + +import __hello__ prints "Hello World!". Patch written by Andreas Stührk. + +.. + +.. bpo: 5723 +.. date: 6780 +.. nonce: Lfg1OX +.. section: Tests + +Improve json tests to be executed with and without accelerations. + +.. + +.. bpo: 12041 +.. date: 6779 +.. nonce: hTvpFb +.. section: Tests + +Make test_wait3 more robust. + +.. + +.. bpo: 11873 +.. date: 6778 +.. nonce: VVQdC9 +.. section: Tests + +Change regex in test_compileall to fix occasional failures when when the +randomly generated temporary path happened to match the regex. + +.. + +.. bpo: 11958 +.. date: 6777 +.. nonce: JOi0nQ +.. section: Tests + +Fix FTP tests for IPv6, bind to "::1" instead of "localhost". Patch written +by Charles-Francois Natali. + +.. + +.. bpo: 8407 +.. date: 6776 +.. nonce: DJQIVY +.. section: Tests + +Fix tests of test_io using threads and an alarm: use pthread_sigmask() to +ensure that the SIGALRM signal is received by the main thread. (See also: +bpo-11859) + +.. + +.. bpo: 11811 +.. date: 6775 +.. nonce: i7swGp +.. section: Tests + +Factor out detection of IPv6 support on the current host and make it +available as ``test.support.IPV6_ENABLED``. Patch by Charles-François +Natali. + +.. + +.. bpo: 10914 +.. date: 6774 +.. nonce: YxA-mP +.. section: Tests + +Add a minimal embedding test to test_capi. + +.. + +.. bpo: 11223 +.. date: 6773 +.. nonce: vC2Jjc +.. section: Tests + +Skip test_lock_acquire_interruption() and test_rlock_acquire_interruption() +of test_threadsignals if a thread lock is implemented using a POSIX mutex +and a POSIX condition variable. A POSIX condition variable cannot be +interrupted by a signal (e.g. on Linux, the futex system call is restarted). + +.. + +.. bpo: 11790 +.. date: 6772 +.. nonce: hg_Quj +.. section: Tests + +Fix sporadic failures in test_multiprocessing.WithProcessesTestCondition. + +.. + +.. bpo: 0 +.. date: 6771 +.. nonce: vCw1YG +.. section: Tests + +Fix possible "file already exists" error when running the tests in parallel. + +.. + +.. bpo: 11719 +.. date: 6770 +.. nonce: ojamUL +.. section: Tests + +Fix message about unexpected test_msilib skip on non-Windows platforms. +Patch by Nadeem Vawda. + +.. + +.. bpo: 11727 +.. date: 6769 +.. nonce: UgpTZa +.. section: Tests + +Add a --timeout option to regrtest: if a test takes more than TIMEOUT +seconds, dumps the traceback of all threads and exits. + +.. + +.. bpo: 11653 +.. date: 6768 +.. nonce: fuE76Y +.. section: Tests + +fix -W with -j in regrtest. + +.. + +.. bpo: 0 +.. date: 6767 +.. nonce: M-5QhM +.. section: Tests + +The email test suite now lives in the Lib/test/test_email package. The test +harness code has also been modernized to allow use of new unittest features. + +.. + +.. bpo: 0 +.. date: 6766 +.. nonce: 0YnOJ5 +.. section: Tests + +regrtest now discovers test packages as well as test modules. + +.. + +.. bpo: 11577 +.. date: 6765 +.. nonce: dZzsdY +.. section: Tests + +improve test coverage of binhex.py. Patch by Arkady Koplyarov. + +.. + +.. bpo: 0 +.. date: 6764 +.. nonce: 8NI_2P +.. section: Tests + +New test_crashers added to exercise the scripts in the Lib/test/crashers +directory and confirm they fail as expected + +.. + +.. bpo: 11578 +.. date: 6763 +.. nonce: 7o3SVY +.. section: Tests + +added test for the timeit module. Patch by Michael Henry. + +.. + +.. bpo: 11503 +.. date: 6762 +.. nonce: lhqffQ +.. section: Tests + +improve test coverage of posixpath.py. Patch by Evan Dandrea. + +.. + +.. bpo: 11505 +.. date: 6761 +.. nonce: lkarT_ +.. section: Tests + +improves test coverage of string.py, increases granularity of +string.Formatter tests. Initial patch by Alicia Arlen. + +.. + +.. bpo: 11548 +.. date: 6760 +.. nonce: 5zabuP +.. section: Tests + +Improve test coverage of the shutil module. Patch by Evan Dandrea. + +.. + +.. bpo: 11554 +.. date: 6759 +.. nonce: JJwnjN +.. section: Tests + +Reactivated test_email_codecs. + +.. + +.. bpo: 11505 +.. date: 6758 +.. nonce: K__ujC +.. section: Tests + +improves test coverage of string.py. Patch by Alicia Arlen + +.. + +.. bpo: 11490 +.. date: 6757 +.. nonce: KEpwUL +.. section: Tests + +test_subprocess.test_leaking_fds_on_error no longer gives a false positive +if the last directory in the path is inaccessible. + +.. + +.. bpo: 11223 +.. date: 6756 +.. nonce: JDDjCO +.. section: Tests + +Fix test_threadsignals to fail, not hang, when the non-semaphore +implementation of locks is used under POSIX. + +.. + +.. bpo: 10911 +.. date: 6755 +.. nonce: Sqgxdv +.. section: Tests + +Add tests on CGI with non-ASCII characters. Patch written by Pierre Quentel. + +.. + +.. bpo: 9931 +.. date: 6754 +.. nonce: 0Ma8Kr +.. section: Tests + +Fix hangs in GUI tests under Windows in certain conditions. Patch by +Hirokazu Yamamoto. + +.. + +.. bpo: 10512 +.. date: 6753 +.. nonce: uHJ91b +.. section: Tests + +Properly close sockets under test.test_cgi. + +.. + +.. bpo: 10992 +.. date: 6752 +.. nonce: CnkKZh +.. section: Tests + +Make tests pass under coverage. + +.. + +.. bpo: 10826 +.. date: 6751 +.. nonce: fuK__- +.. section: Tests + +Prevent sporadic failure in test_subprocess on Solaris due to open door +files. + +.. + +.. bpo: 10990 +.. date: 6750 +.. nonce: Vhsfed +.. section: Tests + +Prevent tests from clobbering a set trace function. + +.. + +.. bpo: 13452 +.. date: 6749 +.. nonce: 0PXwTA +.. section: C API + +PyUnicode_EncodeDecimal() doesn't support error handlers different than +"strict" anymore. The caller was unable to compute the size of the output +buffer: it depends on the error handler. + +.. + +.. bpo: 13560 +.. date: 6748 +.. nonce: z0A3uk +.. section: C API + +Add PyUnicode_DecodeLocale(), PyUnicode_DecodeLocaleAndSize() and +PyUnicode_EncodeLocale() functions to the C API to decode/encode from/to the +current locale encoding. + +.. + +.. bpo: 10831 +.. date: 6747 +.. nonce: bBTxWl +.. section: C API + +PyUnicode_FromFormat() supports %li, %lli and %zi formats. + +.. + +.. bpo: 11246 +.. date: 6746 +.. nonce: QzMUnD +.. section: C API + +Fix PyUnicode_FromFormat("%V") to decode the byte string from UTF-8 (with +replace error handler) instead of ISO-8859-1 (in strict mode). Patch written +by Ray Allen. + +.. + +.. bpo: 10830 +.. date: 6745 +.. nonce: 40AeF8 +.. section: C API + +Fix PyUnicode_FromFormatV("%c") for non-BMP characters on narrow build. + +.. + +.. bpo: 0 +.. date: 6744 +.. nonce: 6je57R +.. section: C API + +Add PyObject_GenericGetDict and PyObject_GeneriSetDict. They are generic +implementations for the getter and setter of a ``__dict__`` descriptor of C +types. + +.. + +.. bpo: 13727 +.. date: 6743 +.. nonce: ftlTbB +.. section: C API + +Add 3 macros to access PyDateTime_Delta members: PyDateTime_DELTA_GET_DAYS, +PyDateTime_DELTA_GET_SECONDS, PyDateTime_DELTA_GET_MICROSECONDS. + +.. + +.. bpo: 10542 +.. date: 6742 +.. nonce: 5duIOl +.. section: C API + +Add 4 macros to work with surrogates: Py_UNICODE_IS_SURROGATE, +Py_UNICODE_IS_HIGH_SURROGATE, Py_UNICODE_IS_LOW_SURROGATE, +Py_UNICODE_JOIN_SURROGATES. + +.. + +.. bpo: 12724 +.. date: 6741 +.. nonce: UIiFKy +.. section: C API + +Add Py_RETURN_NOTIMPLEMENTED macro for returning NotImplemented. + +.. + +.. bpo: 0 +.. date: 6740 +.. nonce: kBbNiR +.. section: C API + +PY_PATCHLEVEL_REVISION has been removed, since it's meaningless with +Mercurial. + +.. + +.. bpo: 12173 +.. date: 6739 +.. nonce: fjaZHM +.. section: C API + +The first argument of PyImport_ImportModuleLevel is now `const char *` +instead of `char *`. + +.. + +.. bpo: 12380 +.. date: 6738 +.. nonce: FHSIWK +.. section: C API + +PyArg_ParseTuple now accepts a bytearray for the 'c' format. + +.. + +.. bpo: 23006 +.. date: 6737 +.. nonce: B64FC0 +.. section: Documentation + +Improve the documentation and indexing of dict.__missing__. Add an entry in +the language datamodel special methods section. Revise and index its +discussion in the stdtypes mapping/dict section. + +.. + +.. bpo: 13989 +.. date: 6736 +.. nonce: G1WySN +.. section: Documentation + +Document that GzipFile does not support text mode, and give a more helpful +error message when opened with an invalid mode string. + +.. + +.. bpo: 13921 +.. date: 6735 +.. nonce: KGXpXP +.. section: Documentation + +Undocument and clean up sqlite3.OptimizedUnicode, which is obsolete in +Python 3.x. It's now aliased to str for backwards compatibility. + +.. + +.. bpo: 12102 +.. date: 6734 +.. nonce: VJSgGA +.. section: Documentation + +Document that buffered files must be flushed before being used with mmap. +Patch by Steffen Daode Nurpmeso. + +.. + +.. bpo: 8982 +.. date: 6733 +.. nonce: fTONNH +.. section: Documentation + +Improve the documentation for the argparse Namespace object. + +.. + +.. bpo: 9343 +.. date: 6732 +.. nonce: 9T-Qyz +.. section: Documentation + +Document that argparse parent parsers must be configured before their +children. + +.. + +.. bpo: 13498 +.. date: 6731 +.. nonce: LI0aQ4 +.. section: Documentation + +Clarify docs of os.makedirs()'s exist_ok argument. Done with great native- +speaker help from R. David Murray. + +.. + +.. bpo: 13491 +.. date: 6730 +.. nonce: zMFNID +.. section: Documentation + +Fix many errors in sqlite3 documentation. Initial patch for #13491 by +Johannes Vogel. (See also: bpo-13995) + +.. + +.. bpo: 13402 +.. date: 6729 +.. nonce: VSNrG0 +.. section: Documentation + +Document absoluteness of sys.executable. + +.. + +.. bpo: 13883 +.. date: 6728 +.. nonce: 8qbb4D +.. section: Documentation + +PYTHONCASEOK also works on OS X. + +.. + +.. bpo: 9021 +.. date: 6727 +.. nonce: A0WRsT +.. section: Documentation + +Add an introduction to the copy module documentation. + +.. + +.. bpo: 6005 +.. date: 6726 +.. nonce: cy8Z22 +.. section: Documentation + +Examples in the socket library documentation use sendall, where relevant, +instead send method. + +.. + +.. bpo: 12798 +.. date: 6725 +.. nonce: ggdsmY +.. section: Documentation + +Updated the mimetypes documentation. + +.. + +.. bpo: 12949 +.. date: 6724 +.. nonce: ef3vju +.. section: Documentation + +Document the kwonlyargcount argument for the PyCode_New C API function. + +.. + +.. bpo: 13513 +.. date: 6723 +.. nonce: Z6l39q +.. section: Documentation + +Fix io.IOBase documentation to correctly link to the io.IOBase.readline +method instead of the readline module. + +.. + +.. bpo: 13237 +.. date: 6722 +.. nonce: EVVjZK +.. section: Documentation + +Reorganise subprocess documentation to emphasise convenience functions and +the most commonly needed arguments to Popen. + +.. + +.. bpo: 13141 +.. date: 6721 +.. nonce: Z3gxv3 +.. section: Documentation + +Demonstrate recommended style for socketserver examples. + +.. + +.. bpo: 11818 +.. date: 6720 +.. nonce: vB1nfN +.. section: Documentation + +Fix tempfile examples for Python 3. diff --git a/Misc/NEWS.d/3.3.0a2.rst b/Misc/NEWS.d/3.3.0a2.rst new file mode 100644 index 000000000000..2732392ff096 --- /dev/null +++ b/Misc/NEWS.d/3.3.0a2.rst @@ -0,0 +1,684 @@ +.. bpo: 1683368 +.. date: 7559 +.. nonce: 6VUt7_ +.. release date: 01-Apr-2012 +.. section: Core and Builtins + +object.__new__ and object.__init__ raise a TypeError if they are passed +arguments and their complementary method is not overridden. + +.. + +.. bpo: 14378 +.. date: 7558 +.. nonce: SYESoz +.. section: Core and Builtins + +Fix compiling ast.ImportFrom nodes with a "__future__" string as the module +name that was not interned. + +.. + +.. bpo: 14331 +.. date: 7557 +.. nonce: xcTH6m +.. section: Core and Builtins + +Use significantly less stack space when importing modules by allocating path +buffers on the heap instead of the stack. + +.. + +.. bpo: 14334 +.. date: 7556 +.. nonce: jfh6Id +.. section: Core and Builtins + +Prevent in a segfault in type.__getattribute__ when it was not passed +strings. + +.. + +.. bpo: 1469629 +.. date: 7555 +.. nonce: ej86Z- +.. section: Core and Builtins + +Allow cycles through an object's __dict__ slot to be collected. (For example +if ``x.__dict__ is x``). + +.. + +.. bpo: 14205 +.. date: 7554 +.. nonce: oOwD6n +.. section: Core and Builtins + +dict lookup raises a RuntimeError if the dict is modified during a lookup. + +.. + +.. bpo: 14220 +.. date: 7553 +.. nonce: jQUaQe +.. section: Core and Builtins + +When a generator is delegating to another iterator with the yield from +syntax, it needs to have its ``gi_running`` flag set to True. + +.. + +.. bpo: 14435 +.. date: 7552 +.. nonce: fqTeXP +.. section: Core and Builtins + +Remove dedicated block allocator from floatobject.c and rely on the +PyObject_Malloc() api like all other objects. + +.. + +.. bpo: 14471 +.. date: 7551 +.. nonce: NQQ20o +.. section: Core and Builtins + +Fix a possible buffer overrun in the winreg module. + +.. + +.. bpo: 14288 +.. date: 7550 +.. nonce: zU3alc +.. section: Core and Builtins + +Allow the serialization of builtin iterators + +.. + +.. bpo: 14300 +.. date: 7549 +.. nonce: EKXEH3 +.. section: Library + +Under Windows, sockets created using socket.dup() now allow overlapped I/O. +Patch by sbt. + +.. + +.. bpo: 13872 +.. date: 7548 +.. nonce: xHvdXX +.. section: Library + +socket.detach() now marks the socket closed (as mirrored in the socket +repr()). Patch by Matt Joiner. + +.. + +.. bpo: 14406 +.. date: 7547 +.. nonce: zdFILX +.. section: Library + +Fix a race condition when using ``concurrent.futures.wait( +return_when=ALL_COMPLETED)``. Patch by Matt Joiner. + +.. + +.. bpo: 5136 +.. date: 7546 +.. nonce: 7H2rv2 +.. section: Library + +deprecate old, unused functions from tkinter. + +.. + +.. bpo: 14416 +.. date: 7545 +.. nonce: UuoZhW +.. section: Library + +syslog now defines the LOG_ODELAY and LOG_AUTHPRIV constants if they are +defined in . + +.. + +.. bpo: 14295 +.. date: 7544 +.. nonce: -_TkX_ +.. section: Library + +Add unittest.mock + +.. + +.. bpo: 7652 +.. date: 7543 +.. nonce: iEr-y0 +.. section: Library + +Add --with-system-libmpdec option to configure for linking the _decimal +module against an installed libmpdec. + +.. + +.. bpo: 14380 +.. date: 7542 +.. nonce: vbD08Y +.. section: Library + +MIMEText now defaults to utf-8 when passed non-ASCII unicode with no charset +specified. + +.. + +.. bpo: 10340 +.. date: 7541 +.. nonce: QZDDK- +.. section: Library + +asyncore - properly handle EINVAL in dispatcher constructor on OSX; avoid to +call handle_connect in case of a disconnected socket which was not meant to +connect. + +.. + +.. bpo: 14204 +.. date: 7540 +.. nonce: rzzuGo +.. section: Library + +The ssl module now has support for the Next Protocol Negotiation extension, +if available in the underlying OpenSSL library. Patch by Colin Marc. + +.. + +.. bpo: 3035 +.. date: 7539 +.. nonce: 8RlPJT +.. section: Library + +Unused functions from tkinter are marked as pending deprecated. + +.. + +.. bpo: 12757 +.. date: 7538 +.. nonce: lfCCKo +.. section: Library + +Fix the skipping of doctests when python is run with -OO so that it works in +unittest's verbose mode as well as non-verbose mode. + +.. + +.. bpo: 7652 +.. date: 7537 +.. nonce: 78v0L0 +.. section: Library + +Integrate the decimal floating point libmpdec library to speed up the +decimal module. Performance gains of the new C implementation are between +10x and 100x, depending on the application. + +.. + +.. bpo: 14269 +.. date: 7536 +.. nonce: xxkPQ3 +.. section: Library + +SMTPD now conforms to the RFC and requires a HELO command before MAIL, RCPT, +or DATA. + +.. + +.. bpo: 13694 +.. date: 7535 +.. nonce: qresWC +.. section: Library + +asynchronous connect in asyncore.dispatcher does not set addr attribute. + +.. + +.. bpo: 14344 +.. date: 7534 +.. nonce: 10T1SA +.. section: Library + +fixed the repr of email.policy objects. + +.. + +.. bpo: 11686 +.. date: 7533 +.. nonce: KKCNSn +.. section: Library + +Added missing entries to email package __all__ lists (mostly the new Bytes +classes). + +.. + +.. bpo: 14335 +.. date: 7532 +.. nonce: V2jcRC +.. section: Library + +multiprocessing's custom Pickler subclass now inherits from the +C-accelerated implementation. Patch by sbt. + +.. + +.. bpo: 10484 +.. date: 7531 +.. nonce: NgDSdJ +.. section: Library + +Fix the CGIHTTPServer's PATH_INFO handling problem. + +.. + +.. bpo: 11199 +.. date: 7530 +.. nonce: UMivCa +.. section: Library + +Fix the with urllib which hangs on particular ftp urls. + +.. + +.. bpo: 0 +.. date: 7529 +.. nonce: Z_Hbwr +.. section: Library + +Improve the memory utilization and speed of functools.lru_cache. + +.. + +.. bpo: 14222 +.. date: 7528 +.. nonce: ERgGnw +.. section: Library + +Use the new time.steady() function instead of time.time() for timeout in +queue and threading modules to not be affected of system time update. + +.. + +.. bpo: 13248 +.. date: 7527 +.. nonce: QDAkYv +.. section: Library + +Remove lib2to3.pytree.Base.get_prefix/set_prefix. + +.. + +.. bpo: 14234 +.. date: 7526 +.. nonce: 3-5k8_ +.. section: Library + +CVE-2012-0876: Randomize hashes of xml attributes in the hash table internal +to the pyexpat module's copy of the expat library to avoid a denial of +service due to hash collisions. Patch by David Malcolm with some +modifications by the expat project. + +.. + +.. bpo: 12818 +.. date: 7525 +.. nonce: phT2cB +.. section: Library + +format address no longer needlessly \ escapes ()s in names when the name +ends up being quoted. + +.. + +.. bpo: 14062 +.. date: 7524 +.. nonce: da3P2T +.. section: Library + +BytesGenerator now correctly folds Header objects, including using linesep +when folding. + +.. + +.. bpo: 13839 +.. date: 7523 +.. nonce: 2p10As +.. section: Library + +When invoked on the command-line, the pstats module now accepts several +filenames of profile stat files and merges them all. Patch by Matt Joiner. + +.. + +.. bpo: 14291 +.. date: 7522 +.. nonce: RC5jhD +.. section: Library + +Email now defaults to utf-8 for non-ASCII unicode headers instead of raising +an error. This fixes a regression relative to 2.7. + +.. + +.. bpo: 989712 +.. date: 7521 +.. nonce: DK9VYH +.. section: Library + +Support using Tk without a mainloop. + +.. + +.. bpo: 3835 +.. date: 7520 +.. nonce: 2J2TSu +.. section: Library + +Refuse to use unthreaded Tcl in threaded Python. + +.. + +.. bpo: 2843 +.. date: 7519 +.. nonce: R6eFw1 +.. section: Library + +Add new Tk API to Tkinter. + +.. + +.. bpo: 14184 +.. date: 7518 +.. nonce: 6AXV0T +.. section: Library + +Increase the default stack size for secondary threads on Mac OS X to avoid +interpreter crashes when using threads on 10.7. + +.. + +.. bpo: 14180 +.. date: 7517 +.. nonce: 6RcdYN +.. section: Library + +datetime.date.fromtimestamp(), datetime.datetime.fromtimestamp() and +datetime.datetime.utcfromtimestamp() now raise an OSError instead of +ValueError if localtime() or gmtime() failed. + +.. + +.. bpo: 14180 +.. date: 7516 +.. nonce: qe2Eei +.. section: Library + +time.ctime(), gmtime(), time.localtime(), datetime.date.fromtimestamp(), +datetime.datetime.fromtimestamp() and datetime.datetime.utcfromtimestamp() +now raises an OverflowError, instead of a ValueError, if the timestamp does +not fit in time_t. + +.. + +.. bpo: 14180 +.. date: 7515 +.. nonce: XzoCLE +.. section: Library + +datetime.datetime.fromtimestamp() and datetime.datetime.utcfromtimestamp() +now round microseconds towards zero instead of rounding to nearest with ties +going away from zero. + +.. + +.. bpo: 10543 +.. date: 7514 +.. nonce: hhj5c8 +.. section: Library + +Fix unittest test discovery with Jython bytecode files. + +.. + +.. bpo: 1178863 +.. date: 7513 +.. nonce: qZwz1u +.. section: Library + +Separate initialisation from setting when initializing Tkinter.Variables; +harmonize exceptions to ValueError; only delete variables that have not been +deleted; assert that variable names are strings. + +.. + +.. bpo: 14104 +.. date: 7512 +.. nonce: OxYNl1 +.. section: Library + +Implement time.monotonic() on Mac OS X, patch written by Nicholas Riley. + +.. + +.. bpo: 13394 +.. date: 7511 +.. nonce: 5-MRTZ +.. section: Library + +the aifc module now uses warnings.warn() to signal warnings. + +.. + +.. bpo: 14252 +.. date: 7510 +.. nonce: -5zjL9 +.. section: Library + +Fix subprocess.Popen.terminate() to not raise an error under Windows when +the child process has already exited. + +.. + +.. bpo: 14223 +.. date: 7509 +.. nonce: J3xsO9 +.. section: Library + +curses.addch() is no more limited to the range 0-255 when the Python curses +is not linked to libncursesw. It was a regression introduced in Python +3.3a1. + +.. + +.. bpo: 14168 +.. date: 7508 +.. nonce: k48rkQ +.. section: Library + +Check for presence of Element._attrs in minidom before accessing it. + +.. + +.. bpo: 12328 +.. date: 7507 +.. nonce: 0ou86A +.. section: Library + +Fix multiprocessing's use of overlapped I/O on Windows. Also, add a +multiprocessing.connection.wait(rlist, timeout=None) function for polling +multiple objects at once. Patch by sbt. + +.. + +.. bpo: 14007 +.. date: 7506 +.. nonce: QgHRiZ +.. section: Library + +Accept incomplete TreeBuilder objects (missing start, end, data or close +method) for the Python implementation as well. Drop the no-op +TreeBuilder().xml() method from the C implementation. + +.. + +.. bpo: 14210 +.. date: 7505 +.. nonce: PDzvZF +.. section: Library + +pdb now has tab-completion not only for command names, but also for their +arguments, wherever possible. + +.. + +.. bpo: 14310 +.. date: 7504 +.. nonce: mho0IY +.. section: Library + +Sockets can now be with other processes on Windows using the api +socket.socket.share() and socket.fromshare(). + +.. + +.. bpo: 10576 +.. date: 7503 +.. nonce: hVfEHY +.. section: Library + +The gc module now has a 'callbacks' member that will get called when garbage +collection takes place. + +.. + +.. bpo: 14557 +.. date: 7502 +.. nonce: UCbIq7 +.. section: Build + +Fix extensions build on HP-UX. Patch by Adi Roiban. + +.. + +.. bpo: 14387 +.. date: 7501 +.. nonce: akFGpn +.. section: Build + +Do not include accu.h from Python.h. + +.. + +.. bpo: 14359 +.. date: 7500 +.. nonce: d8AJnN +.. section: Build + +Only use O_CLOEXEC in _posixmodule.c if it is defined. Based on patch from +Hervé Coatanhay. + +.. + +.. bpo: 14321 +.. date: 7499 +.. nonce: 3fOzVM +.. section: Build + +Do not run pgen during the build if files are up to date. + +.. + +.. bpo: 14034 +.. date: 7498 +.. nonce: 34GDTv +.. section: Documentation + +added the argparse tutorial. + +.. + +.. bpo: 14324 +.. date: 7497 +.. nonce: njGV1Q +.. section: Documentation + +Fix configure tests for cross builds. + +.. + +.. bpo: 14327 +.. date: 7496 +.. nonce: F1iSk5 +.. section: Documentation + +Call AC_CANONICAL_HOST in configure.ac and check in config.{guess,sub}. +Don't use uname calls for cross builds. + +.. + +.. bpo: 9041 +.. date: 7495 +.. nonce: iLXuHK +.. section: Library + +An issue in ctypes.c_longdouble, ctypes.c_double, and ctypes.c_float that +caused an incorrect exception to be returned in the case of overflow has +been fixed. + +.. + +.. bpo: 14212 +.. date: 7494 +.. nonce: 78Bmn2 +.. section: Library + +The re module didn't retain a reference to buffers it was scanning, +resulting in segfaults. + +.. + +.. bpo: 14259 +.. date: 7493 +.. nonce: EG-kwB +.. section: Library + +The finditer() method of re objects did not take any keyword arguments, +contrary to the documentation. + +.. + +.. bpo: 10142 +.. date: 7492 +.. nonce: iHMgqe +.. section: Library + +Support for SEEK_HOLE/SEEK_DATA (for example, under ZFS). + +.. + +.. bpo: 14442 +.. date: 7491 +.. nonce: 9ett0- +.. section: Tests + +Add missing errno import in test_smtplib. + +.. + +.. bpo: 8315 +.. date: 7490 +.. nonce: 2qXCkM +.. section: Tests + +(partial fix) python -m unittest test.test_email now works. diff --git a/Misc/NEWS.d/3.3.0a3.rst b/Misc/NEWS.d/3.3.0a3.rst new file mode 100644 index 000000000000..3ce1269c3d1f --- /dev/null +++ b/Misc/NEWS.d/3.3.0a3.rst @@ -0,0 +1,730 @@ +.. bpo: 14699 +.. date: 7633 +.. nonce: AuoeMs +.. release date: 01-May-2012 +.. section: Core and Builtins + +Fix calling the classmethod descriptor directly. + +.. + +.. bpo: 14433 +.. date: 7632 +.. nonce: HtSYT- +.. section: Core and Builtins + +Prevent msvcrt crash in interactive prompt when stdin is closed. + +.. + +.. bpo: 14521 +.. date: 7631 +.. nonce: JDzRE4 +.. section: Core and Builtins + +Make result of float('nan') and float('-nan') more consistent across +platforms. + +.. + +.. bpo: 14646 +.. date: 7630 +.. nonce: 19NogB +.. section: Core and Builtins + +__import__() sets __loader__ if the loader did not. + +.. + +.. bpo: 14605 +.. date: 7629 +.. nonce: Psk3ZV +.. section: Core and Builtins + +No longer have implicit entries in sys.meta_path. If sys.meta_path is found +to be empty, raise ImportWarning. + +.. + +.. bpo: 14605 +.. date: 7628 +.. nonce: WVtAi5 +.. section: Core and Builtins + +No longer have implicit entries in sys.path_hooks. If sys.path_hooks is +found to be empty, a warning will be raised. None is now inserted into +sys.path_importer_cache if no finder was discovered. This also means +imp.NullImporter is no longer implicitly used. + +.. + +.. bpo: 13903 +.. date: 7627 +.. nonce: 4z4rf7 +.. section: Core and Builtins + +Implement PEP 412. Individual dictionary instances can now share their keys +with other dictionaries. Classes take advantage of this to share their +instance dictionary keys for improved memory and performance. + +.. + +.. bpo: 11603 +.. date: 7626 +.. nonce: aGsFsn +.. section: Core and Builtins + +Setting __repr__ to __str__ now raises a RuntimeError when repr() or str() +is called on such an object. + +.. + +.. bpo: 14658 +.. date: 7625 +.. nonce: jeSkqL +.. section: Core and Builtins + +Fix binding a special method to a builtin implementation of a special method +with a different name. + +.. + +.. bpo: 14630 +.. date: 7624 +.. nonce: 0bHFSA +.. section: Core and Builtins + +Fix a memory access bug for instances of a subclass of int with value 0. + +.. + +.. bpo: 14339 +.. date: 7623 +.. nonce: QR-MDy +.. section: Core and Builtins + +Speed improvements to bin, oct and hex functions. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 14385 +.. date: 7622 +.. nonce: FD63CN +.. section: Core and Builtins + +It is now possible to use a custom type for the __builtins__ namespace, +instead of a dict. It can be used for sandboxing for example. Raise also a +NameError instead of ImportError if __build_class__ name if not found in +__builtins__. + +.. + +.. bpo: 12599 +.. date: 7621 +.. nonce: Iu99dL +.. section: Core and Builtins + +Be more strict in accepting None compared to a false-like object for +importlib.util.module_for_loader and importlib.machinery.PathFinder. + +.. + +.. bpo: 14612 +.. date: 7620 +.. nonce: uTBlpg +.. section: Core and Builtins + +Fix jumping around with blocks by setting f_lineno. + +.. + +.. bpo: 14592 +.. date: 7619 +.. nonce: 7PB7Zk +.. section: Core and Builtins + +Attempting a relative import w/o __package__ or __name__ set in globals +raises a KeyError. + +.. + +.. bpo: 14607 +.. date: 7618 +.. nonce: YEC4Eu +.. section: Core and Builtins + +Fix keyword-only arguments which started with ``__``. + +.. + +.. bpo: 10854 +.. date: 7617 +.. nonce: -vkFId +.. section: Core and Builtins + +The ImportError raised when an extension module on Windows fails to import +now uses the new path and name attributes from Issue #1559549. + +.. + +.. bpo: 13889 +.. date: 7616 +.. nonce: 5jUbDL +.. section: Core and Builtins + +Check and (if necessary) set FPU control word before calling any of the +dtoa.c string <-> float conversion functions, on MSVC builds of Python. +This fixes issues when embedding Python in a Delphi app. + +.. + +.. bpo: 0 +.. date: 7615 +.. nonce: dHmS-L +.. section: Core and Builtins + +__import__() now matches PEP 328 and documentation by defaulting 'index' to +0 instead of -1 and removing support for negative values. + +.. + +.. bpo: 2377 +.. date: 7614 +.. nonce: 0jsA57 +.. section: Core and Builtins + +Make importlib the implementation of __import__(). + +.. + +.. bpo: 1559549 +.. date: 7613 +.. nonce: krys02 +.. section: Core and Builtins + +ImportError now has 'name' and 'path' attributes that are set using keyword +arguments to its constructor. They are currently not set by import as they +are meant for use by importlib. + +.. + +.. bpo: 14474 +.. date: 7612 +.. nonce: duWZWs +.. section: Core and Builtins + +Save and restore exception state in thread.start_new_thread() while writing +error message if the thread leaves a unhandled exception. + +.. + +.. bpo: 13019 +.. date: 7611 +.. nonce: LYHgJO +.. section: Core and Builtins + +Fix potential reference leaks in bytearray.extend(). Patch by Suman Saha. + +.. + +.. bpo: 14768 +.. date: 7610 +.. nonce: NGBeVQ +.. section: Library + +os.path.expanduser('~/a') doesn't works correctly when HOME is '/'. + +.. + +.. bpo: 14371 +.. date: 7609 +.. nonce: w4YKgU +.. section: Library + +Support bzip2 in zipfile module. Patch by Serhiy Storchaka. + +.. + +.. bpo: 13183 +.. date: 7608 +.. nonce: WXohoU +.. section: Library + +Fix pdb skipping frames after hitting a breakpoint and running step. Patch +by Xavier de Gaye. + +.. + +.. bpo: 14696 +.. date: 7607 +.. nonce: 6sKxyV +.. section: Library + +Fix parser module to understand 'nonlocal' declarations. + +.. + +.. bpo: 10941 +.. date: 7606 +.. nonce: T2_m5t +.. section: Library + +Fix imaplib.Internaldate2tuple to produce correct result near the DST +transition. Patch by Joe Peterson. + +.. + +.. bpo: 9154 +.. date: 7605 +.. nonce: l5Z37S +.. section: Library + +Fix parser module to understand function annotations. + +.. + +.. bpo: 6085 +.. date: 7604 +.. nonce: K59hDR +.. section: Library + +In http.server.py SimpleHTTPServer.address_string returns the client ip +address instead client hostname. Patch by Charles-François Natali. + +.. + +.. bpo: 14309 +.. date: 7603 +.. nonce: 0TEhbF +.. section: Library + +Deprecate time.clock(), use time.perf_counter() or time.process_time() +instead. + +.. + +.. bpo: 14428 +.. date: 7602 +.. nonce: HY9aE6 +.. section: Library + +Implement the PEP 418. Add time.get_clock_info(), time.perf_counter() and +time.process_time() functions, and rename time.steady() to time.monotonic(). + +.. + +.. bpo: 14646 +.. date: 7601 +.. nonce: kSPenl +.. section: Library + +importlib.util.module_for_loader() now sets __loader__ and __package__ (when +possible). + +.. + +.. bpo: 14664 +.. date: 7600 +.. nonce: pdyfQE +.. section: Library + +It is now possible to use @unittest.skip{If,Unless} on a test class that +doesn't inherit from TestCase (i.e. a mixin). + +.. + +.. bpo: 4892 +.. date: 7599 +.. nonce: XAcc2_ +.. section: Library + +multiprocessing Connections can now be transferred over multiprocessing +Connections. Patch by Richard Oudkerk (sbt). + +.. + +.. bpo: 14160 +.. date: 7598 +.. nonce: eP9a5e +.. section: Library + +TarFile.extractfile() failed to resolve symbolic links when the links were +not located in an archive subdirectory. + +.. + +.. bpo: 14638 +.. date: 7597 +.. nonce: cfMimX +.. section: Library + +pydoc now treats non-string __name__ values as if they were missing, instead +of raising an error. + +.. + +.. bpo: 13684 +.. date: 7596 +.. nonce: GMakQh +.. section: Library + +Fix httplib tunnel issue of infinite loops for certain sites which send EOF +without trailing \r\n. + +.. + +.. bpo: 14605 +.. date: 7595 +.. nonce: 0oYc81 +.. section: Library + +Add importlib.abc.FileLoader, importlib.machinery.(FileFinder, +SourceFileLoader, SourcelessFileLoader, ExtensionFileLoader). + +.. + +.. bpo: 13959 +.. date: 7594 +.. nonce: q2O_A_ +.. section: Library + +imp.cache_from_source()/source_from_cache() now follow +os.path.join()/split() semantics for path manipulation instead of its prior, +custom semantics of caring the right-most path separator forward in path +joining. + +.. + +.. bpo: 2193 +.. date: 7593 +.. nonce: EwmaL0 +.. section: Library + +Allow ":" character in Cookie NAME values. + +.. + +.. bpo: 14629 +.. date: 7592 +.. nonce: CT9YOf +.. section: Library + +tokenizer.detect_encoding will specify the filename in the SyntaxError +exception if found at readline.__self__.name. + +.. + +.. bpo: 14629 +.. date: 7591 +.. nonce: NmM4VS +.. section: Library + +Raise SyntaxError in tokenizer.detect_encoding if the first two lines have +non-UTF-8 characters without an encoding declaration. + +.. + +.. bpo: 14308 +.. date: 7590 +.. nonce: VI_YtW +.. section: Library + +Fix an exception when a "dummy" thread is in the threading module's active +list after a fork(). + +.. + +.. bpo: 11750 +.. date: 7589 +.. nonce: zqcMd9 +.. section: Library + +The Windows API functions scattered in the _subprocess and +_multiprocessing.win32 modules now live in a single module "_winapi". Patch +by sbt. + +.. + +.. bpo: 14087 +.. date: 7588 +.. nonce: jLqw-6 +.. section: Library + +multiprocessing: add Condition.wait_for(). Patch by sbt. + +.. + +.. bpo: 14538 +.. date: 7587 +.. nonce: l61eIV +.. section: Library + +HTMLParser can now parse correctly start tags that contain a bare '/'. + +.. + +.. bpo: 14452 +.. date: 7586 +.. nonce: TPNgz8 +.. section: Library + +SysLogHandler no longer inserts a UTF-8 BOM into the message. + +.. + +.. bpo: 14386 +.. date: 7585 +.. nonce: 98-5AW +.. section: Library + +Expose the dict_proxy internal type as types.MappingProxyType. + +.. + +.. bpo: 13959 +.. date: 7584 +.. nonce: lhqW73 +.. section: Library + +Make imp.reload() always use a module's __loader__ to perform the reload. + +.. + +.. bpo: 13959 +.. date: 7583 +.. nonce: -UuY7L +.. section: Library + +Add imp.py and rename the built-in module to _imp, allowing for re- +implementing parts of the module in pure Python. + +.. + +.. bpo: 13496 +.. date: 7582 +.. nonce: ZTq6yk +.. section: Library + +Fix potential overflow in bisect.bisect algorithm when applied to a +collection of size > sys.maxsize / 2. + +.. + +.. bpo: 0 +.. date: 7581 +.. nonce: bW_hJ4 +.. section: Library + +Have importlib take advantage of ImportError's new 'name' and 'path' +attributes. + +.. + +.. bpo: 14399 +.. date: 7580 +.. nonce: aGumG7 +.. section: Library + +zipfile now recognizes that the archive has been modified even if only the +comment is changed. In addition, the TypeError that results from trying to +set a non-binary value as a comment is now raised at the time the comment is +set rather than at the time the zipfile is written. + +.. + +.. bpo: 0 +.. date: 7579 +.. nonce: hVFHSa +.. section: Library + +trace.CoverageResults.is_ignored_filename() now ignores any name that starts +with "<" and ends with ">" instead of special-casing "" and +"= 2 ** 32) under 64-bit +Windows. + +.. + +.. bpo: 14732 +.. date: 7671 +.. nonce: 3fMRiU +.. section: Library + +The _csv module now uses PEP 3121 module initialization. Patch by Robin +Schreiber. + +.. + +.. bpo: 14809 +.. date: 7670 +.. nonce: IdiSIH +.. section: Library + +Add HTTP status codes introduced by RFC 6585 to http.server and http.client. +Patch by EungJun Yi. + +.. + +.. bpo: 14777 +.. date: 7669 +.. nonce: hOLi4A +.. section: Library + +tkinter may return undecoded UTF-8 bytes as a string when accessing the Tk +clipboard. Modify clipboad_get() to first request type UTF8_STRING when no +specific type is requested in an X11 windowing environment, falling back to +the current default type STRING if that fails. Original patch by Thomas +Kluyver. + +.. + +.. bpo: 14773 +.. date: 7668 +.. nonce: gWImyJ +.. section: Library + +Fix os.fwalk() failing on dangling symlinks. + +.. + +.. bpo: 12541 +.. date: 7667 +.. nonce: Np6NxR +.. section: Library + +Be lenient with quotes around Realm field of HTTP Basic Authentation in +urllib2. + +.. + +.. bpo: 14807 +.. date: 7666 +.. nonce: DQuJr9 +.. section: Library + +move undocumented tarfile.filemode() to stat.filemode() and add doc entry. +Add tarfile.filemode alias with deprecation warning. + +.. + +.. bpo: 13815 +.. date: 7665 +.. nonce: nQCfus +.. section: Library + +TarFile.extractfile() now returns io.BufferedReader objects. + +.. + +.. bpo: 14532 +.. date: 7664 +.. nonce: RR8WDH +.. section: Library + +Add a secure_compare() helper to the hmac module, to mitigate timing +attacks. Patch by Jon Oberheide. + +.. + +.. bpo: 0 +.. date: 7663 +.. nonce: kzXdSX +.. section: Library + +Add importlib.util.resolve_name(). + +.. + +.. bpo: 14366 +.. date: 7662 +.. nonce: AnbUP0 +.. section: Library + +Support lzma compression in zip files. Patch by Serhiy Storchaka. + +.. + +.. bpo: 13959 +.. date: 7661 +.. nonce: VIJwXJ +.. section: Library + +Introduce importlib.find_loader() and document imp.find_module/load_module +as deprecated. + +.. + +.. bpo: 14082 +.. date: 7660 +.. nonce: jgCzs3 +.. section: Library + +shutil.copy2() now copies extended attributes, if possible. Patch by Hynek +Schlawack. + +.. + +.. bpo: 13959 +.. date: 7659 +.. nonce: CCfPrG +.. section: Library + +Make importlib.abc.FileLoader.load_module()/get_filename() and +importlib.machinery.ExtensionFileLoader.load_module() have their single +argument be optional. Allows for the replacement (and thus deprecation) of +imp.load_source()/load_package()/load_compiled(). + +.. + +.. bpo: 13959 +.. date: 7658 +.. nonce: Kl6QSe +.. section: Library + +imp.get_suffixes() has been deprecated in favour of the new attributes on +importlib.machinery: SOURCE_SUFFIXES, DEBUG_BYTECODE_SUFFIXES, +OPTIMIZED_BYTECODE_SUFFIXES, BYTECODE_SUFFIXES, and EXTENSION_SUFFIXES. This +led to an indirect deprecation of inspect.getmoduleinfo(). + +.. + +.. bpo: 14662 +.. date: 7657 +.. nonce: kBgGen +.. section: Library + +Prevent shutil failures on OS X when destination does not support chflag +operations. Patch by Hynek Schlawack. + +.. + +.. bpo: 14157 +.. date: 7656 +.. nonce: QVP6vO +.. section: Library + +Fix time.strptime failing without a year on February 29th. Patch by Hynek +Schlawack. + +.. + +.. bpo: 14753 +.. date: 7655 +.. nonce: axZ7-L +.. section: Library + +Make multiprocessing's handling of negative timeouts the same as it was in +Python 3.2. + +.. + +.. bpo: 14583 +.. date: 7654 +.. nonce: QKYopE +.. section: Library + +Fix importlib bug when a package's __init__.py would first import one of its +modules then raise an error. + +.. + +.. bpo: 14741 +.. date: 7653 +.. nonce: IaSwPq +.. section: Library + +Fix missing support for Ellipsis ('...') in parser module. + +.. + +.. bpo: 14697 +.. date: 7652 +.. nonce: JOYLPW +.. section: Library + +Fix missing support for set displays and set comprehensions in parser +module. + +.. + +.. bpo: 14701 +.. date: 7651 +.. nonce: Meb6lW +.. section: Library + +Fix missing support for 'raise ... from' in parser module. + +.. + +.. bpo: 0 +.. date: 7650 +.. nonce: wf3uxo +.. section: Library + +Add support for timeouts to the acquire() methods of multiprocessing's +lock/semaphore/condition proxies. + +.. + +.. bpo: 13989 +.. date: 7649 +.. nonce: 5E3_xK +.. section: Library + +Add support for text mode to gzip.open(). + +.. + +.. bpo: 14127 +.. date: 7648 +.. nonce: sWvoou +.. section: Library + +The os.stat() result object now provides three additional fields: +st_ctime_ns, st_mtime_ns, and st_atime_ns, providing those times as an +integer with nanosecond resolution. The functions os.utime(), os.lutimes(), +and os.futimes() now accept a new parameter, ns, which accepts mtime and +atime as integers with nanosecond resolution. + +.. + +.. bpo: 14127 +.. date: 7647 +.. nonce: rdG9eC +.. section: Library + +shutil.copystat now preserves exact mtime and atime on filesystems providing +nanosecond resolution. (See also: bpo-10148) + +.. + +.. bpo: 14958 +.. date: 7646 +.. nonce: bMisLB +.. section: IDLE + +Change IDLE systax highlighting to recognize all string and byte literals +supported in Python 3.3. + +.. + +.. bpo: 10997 +.. date: 7645 +.. nonce: D59Zo_ +.. section: IDLE + +Prevent a duplicate entry in IDLE's "Recent Files" menu. + +.. + +.. bpo: 14929 +.. date: 7644 +.. nonce: Aet5nc +.. section: IDLE + +Stop IDLE 3.x from closing on Unicode decode errors when grepping. Patch by +Roger Serwy. + +.. + +.. bpo: 12510 +.. date: 7643 +.. nonce: 4lv3RD +.. section: IDLE + +Attempting to get invalid tooltip no longer closes IDLE. Other tooltipss +have been corrected or improved and the number of tests has been tripled. +Original patch by Roger Serwy. + +.. + +.. bpo: 14695 +.. date: 7642 +.. nonce: BE5pE- +.. section: Tools/Demos + +Bring Tools/parser/unparse.py support up to date with the Python 3.3 +Grammar. + +.. + +.. bpo: 14472 +.. date: 7641 +.. nonce: KWzSni +.. section: Build + +Update .gitignore. Patch by Matej Cepl. + +.. + +.. bpo: 0 +.. date: 7640 +.. nonce: MbKrTb +.. section: Build + +Upgrade Windows library versions: bzip 1.0.6, OpenSSL 1.0.1c. + +.. + +.. bpo: 14693 +.. date: 7639 +.. nonce: __K1i7 +.. section: Build + +Under non-Windows platforms, hashlib's fallback modules are always compiled, +even if OpenSSL is present at build time. + +.. + +.. bpo: 13210 +.. date: 7638 +.. nonce: 7vR33E +.. section: Build + +Windows build now uses VS2010, ported from VS2008. + +.. + +.. bpo: 14705 +.. date: 7637 +.. nonce: rThBL5 +.. section: C API + +The PyArg_Parse() family of functions now support the 'p' format unit, which +accepts a "boolean predicate" argument. It converts any Python value into +an integer--0 if it is "false", and 1 otherwise. + +.. + +.. bpo: 14863 +.. date: 7636 +.. nonce: OHttZr +.. section: Documentation + +Update the documentation of os.fdopen() to reflect the fact that it's only a +thin wrapper around open() anymore. + +.. + +.. bpo: 14588 +.. date: 7635 +.. nonce: VLRx_E +.. section: Documentation + +The language reference now accurately documents the Python 3 class +definition process. Patch by Nick Coghlan. + +.. + +.. bpo: 14943 +.. date: 7634 +.. nonce: SrEzZ7 +.. section: Documentation + +Correct a default argument value for winreg.OpenKey and correctly list the +argument names in the function's explanation. diff --git a/Misc/NEWS.d/3.3.0b1.rst b/Misc/NEWS.d/3.3.0b1.rst new file mode 100644 index 000000000000..60a6a85f4693 --- /dev/null +++ b/Misc/NEWS.d/3.3.0b1.rst @@ -0,0 +1,944 @@ +.. bpo: 0 +.. date: 7811 +.. nonce: W5Dg6D +.. release date: 27-Jun-2012 +.. section: Core and Builtins + +Fix a (most likely) very rare memory leak when calling main() and not being +able to decode a command-line argument. + +.. + +.. bpo: 14815 +.. date: 7810 +.. nonce: 45V0nb +.. section: Core and Builtins + +Use Py_ssize_t instead of long for the object hash, to preserve all 64 bits +of hash on Win64. + +.. + +.. bpo: 12268 +.. date: 7809 +.. nonce: Fa6oWZ +.. section: Core and Builtins + +File readline, readlines and read() or readall() methods no longer lose data +when an underlying read system call is interrupted. IOError is no longer +raised due to a read system call returning EINTR from within these methods. + +.. + +.. bpo: 11626 +.. date: 7808 +.. nonce: Cz1C0D +.. section: Core and Builtins + +Add _SizeT functions to stable ABI. + +.. + +.. bpo: 15142 +.. date: 7807 +.. nonce: 5oTAbU +.. section: Core and Builtins + +Fix reference leak when deallocating instances of types created using +PyType_FromSpec(). + +.. + +.. bpo: 10053 +.. date: 7806 +.. nonce: rOxp0i +.. section: Core and Builtins + +Don't close FDs when FileIO.__init__ fails. Loosely based on the work by +Hirokazu Yamamoto. + +.. + +.. bpo: 15096 +.. date: 7805 +.. nonce: -vHRNP +.. section: Core and Builtins + +Removed support for ur'' as the raw notation isn't compatible with Python +2.x's raw unicode strings. + +.. + +.. bpo: 13783 +.. date: 7804 +.. nonce: oAPO08 +.. section: Core and Builtins + +Generator objects now use the identifier APIs internally + +.. + +.. bpo: 14874 +.. date: 7803 +.. nonce: KWh9rA +.. section: Core and Builtins + +Restore charmap decoding speed to pre-PEP 393 levels. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 15026 +.. date: 7802 +.. nonce: iJiLbE +.. section: Core and Builtins + +utf-16 encoding is now significantly faster (up to 10x). Patch by Serhiy +Storchaka. + +.. + +.. bpo: 11022 +.. date: 7801 +.. nonce: iWeA3q +.. section: Core and Builtins + +open() and io.TextIOWrapper are now calling +locale.getpreferredencoding(False) instead of locale.getpreferredencoding() +in text mode if the encoding is not specified. Don't change temporary the +locale encoding using locale.setlocale(), use the current locale encoding +instead of the user preferred encoding. + +.. + +.. bpo: 14673 +.. date: 7800 +.. nonce: 39dCQW +.. section: Core and Builtins + +Add Eric Snow's sys.implementation implementation. + +.. + +.. bpo: 15038 +.. date: 7799 +.. nonce: MfnJgf +.. section: Core and Builtins + +Optimize python Locks on Windows. + +.. + +.. bpo: 12288 +.. date: 7798 +.. nonce: EeBUVC +.. section: Library + +Consider '0' and '0.0' as valid initialvalue for tkinter SimpleDialog. + +.. + +.. bpo: 15512 +.. date: 7797 +.. nonce: JO3bbV +.. section: Library + +Add a __sizeof__ implementation for parser. Patch by Serhiy Storchaka. + +.. + +.. bpo: 15469 +.. date: 7796 +.. nonce: eFsJXX +.. section: Library + +Add a __sizeof__ implementation for deque objects. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 15489 +.. date: 7795 +.. nonce: P9-vH9 +.. section: Library + +Add a __sizeof__ implementation for BytesIO objects. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 15487 +.. date: 7794 +.. nonce: vtEBtw +.. section: Library + +Add a __sizeof__ implementation for buffered I/O objects. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 15514 +.. date: 7793 +.. nonce: LrtaLi +.. section: Library + +Correct __sizeof__ support for cpu_set. Patch by Serhiy Storchaka. + +.. + +.. bpo: 15177 +.. date: 7792 +.. nonce: mugCse +.. section: Library + +Added dir_fd parameter to os.fwalk(). + +.. + +.. bpo: 15061 +.. date: 7791 +.. nonce: Tdc4LD +.. section: Library + +Re-implemented hmac.compare_digest() in C to prevent further timing analysis +and to support all buffer protocol aware objects as well as ASCII only str +instances safely. + +.. + +.. bpo: 15164 +.. date: 7790 +.. nonce: Cf_2-u +.. section: Library + +Change return value of platform.uname() from a plain tuple to a +collections.namedtuple. + +.. + +.. bpo: 0 +.. date: 7789 +.. nonce: pyCKJV +.. section: Library + +Support Mageia Linux in the platform module. + +.. + +.. bpo: 11678 +.. date: 7788 +.. nonce: nRPz5B +.. section: Library + +Support Arch linux in the platform module. + +.. + +.. bpo: 15118 +.. date: 7787 +.. nonce: Gwp7ck +.. section: Library + +Change return value of os.uname() and os.times() from plain tuples to +immutable iterable objects with named attributes (structseq objects). + +.. + +.. bpo: 0 +.. date: 7786 +.. nonce: t7_10R +.. section: Library + +Speed up _decimal by another 10-15% by caching the thread local context that +was last accessed. In the pi benchmark (64-bit platform, prec=9), _decimal +is now only 1.5x slower than float. + +.. + +.. bpo: 0 +.. date: 7785 +.. nonce: DfxA5d +.. section: Library + +Remove the packaging module, which is not ready for prime time. + +.. + +.. bpo: 15154 +.. date: 7784 +.. nonce: 6DL5F6 +.. section: Library + +Add "dir_fd" parameter to os.rmdir, remove "rmdir" parameter from os.remove +/ os.unlink. + +.. + +.. bpo: 4489 +.. date: 7783 +.. nonce: 80FMx7 +.. section: Library + +Add a shutil.rmtree that isn't susceptible to symlink attacks. It is used +automatically on platforms supporting the necessary os.openat() and +os.unlinkat() functions. Main code by Martin von Löwis. + +.. + +.. bpo: 15156 +.. date: 7782 +.. nonce: PZwcLE +.. section: Library + +HTMLParser now uses the new "html.entities.html5" dictionary. + +.. + +.. bpo: 11113 +.. date: 7781 +.. nonce: lFZ9C8 +.. section: Library + +add a new "html5" dictionary containing the named character references +defined by the HTML5 standard and the equivalent Unicode character(s) to the +html.entities module. + +.. + +.. bpo: 15114 +.. date: 7780 +.. nonce: Lgl5HS +.. section: Library + +the strict mode of HTMLParser and the HTMLParseError exception are +deprecated now that the parser is able to parse invalid markup. + +.. + +.. bpo: 3665 +.. date: 7779 +.. nonce: JdTN3o +.. section: Library + +\u and \U escapes are now supported in unicode regular expressions. Patch +by Serhiy Storchaka. + +.. + +.. bpo: 15153 +.. date: 7778 +.. nonce: 7Erki6 +.. section: Library + +Added inspect.getgeneratorlocals to simplify white box testing of generator +state updates + +.. + +.. bpo: 13062 +.. date: 7777 +.. nonce: E3N4GG +.. section: Library + +Added inspect.getclosurevars to simplify testing stateful closures + +.. + +.. bpo: 11024 +.. date: 7776 +.. nonce: sIkKrN +.. section: Library + +Fixes and additional tests for Time2Internaldate. + +.. + +.. bpo: 14626 +.. date: 7775 +.. nonce: YaNACw +.. section: Library + +Large refactoring of functions / parameters in the os module. Many functions +now support "dir_fd" and "follow_symlinks" parameters; some also support +accepting an open file descriptor in place of a path string. Added +os.support_* collections as LBYL helpers. Removed many functions only +previously seen in 3.3 alpha releases (often starting with "f" or "l", or +ending with "at"). Originally suggested by Serhiy Storchaka; implemented by +Larry Hastings. + +.. + +.. bpo: 15008 +.. date: 7774 +.. nonce: uNEUW0 +.. section: Library + +Implement PEP 362 "Signature Objects". Patch by Yury Selivanov. + +.. + +.. bpo: 15138 +.. date: 7773 +.. nonce: 46GZd_ +.. section: Library + +base64.urlsafe_{en,de}code() are now 3-4x faster. + +.. + +.. bpo: 444582 +.. date: 7772 +.. nonce: 5WoE2u +.. section: Library + +Add shutil.which, for finding programs on the system path. Original patch by +Erik Demaine, with later iterations by Jan Killian and Brian Curtin. + +.. + +.. bpo: 14837 +.. date: 7771 +.. nonce: vbThDc +.. section: Library + +SSL errors now have ``library`` and ``reason`` attributes describing +precisely what happened and in which OpenSSL submodule. The str() of a +SSLError is also enhanced accordingly. + +.. + +.. bpo: 9527 +.. date: 7770 +.. nonce: XkoH17 +.. section: Library + +datetime.astimezone() method will now supply a class timezone instance +corresponding to the system local timezone when called with no arguments. + +.. + +.. bpo: 14653 +.. date: 7769 +.. nonce: wxr1Hp +.. section: Library + +email.utils.mktime_tz() no longer relies on system mktime() when timezone +offest is supplied. + +.. + +.. bpo: 14684 +.. date: 7768 +.. nonce: OID9fT +.. section: Library + +zlib.compressobj() and zlib.decompressobj() now support the use of +predefined compression dictionaries. Original patch by Sam Rushing. + +.. + +.. bpo: 0 +.. date: 7767 +.. nonce: FbQz2w +.. section: Library + +Fix GzipFile's handling of filenames given as bytes objects. + +.. + +.. bpo: 14772 +.. date: 7766 +.. nonce: V7wcfU +.. section: Library + +Return destination values from some shutil functions. + +.. + +.. bpo: 15064 +.. date: 7765 +.. nonce: wPnVMo +.. section: Library + +Implement context manager protocol for multiprocessing types + +.. + +.. bpo: 15101 +.. date: 7764 +.. nonce: IWvk9X +.. section: Library + +Make pool finalizer avoid joining current thread. + +.. + +.. bpo: 14657 +.. date: 7763 +.. nonce: 8vzCOZ +.. section: Library + +The frozen instance of importlib used for bootstrap is now also the module +imported as importlib._bootstrap. + +.. + +.. bpo: 14055 +.. date: 7762 +.. nonce: ZbpXDl +.. section: Library + +Add __sizeof__ support to _elementtree. + +.. + +.. bpo: 15054 +.. date: 7761 +.. nonce: ksFSjl +.. section: Library + +A bug in tokenize.tokenize that caused string literals with 'b' prefixes to +be incorrectly tokenized has been fixed. Patch by Serhiy Storchaka. + +.. + +.. bpo: 15006 +.. date: 7760 +.. nonce: dsEK8l +.. section: Library + +Allow equality comparison between naive and aware time or datetime objects. + +.. + +.. bpo: 15036 +.. date: 7759 +.. nonce: Mhm512 +.. section: Library + +Mailbox no longer throws an error if a flush is done between operations when +removing or changing multiple items in mbox, MMDF, or Babyl mailboxes. + +.. + +.. bpo: 14059 +.. date: 7758 +.. nonce: XZqDyi +.. section: Library + +Implement multiprocessing.Barrier. + +.. + +.. bpo: 15061 +.. date: 7757 +.. nonce: tO-GpZ +.. section: Library + +The inappropriately named hmac.secure_compare has been renamed to +hmac.compare_digest, restricted to operating on bytes inputs only and had +its documentation updated to more accurately reflect both its intent and its +limitations + +.. + +.. bpo: 13841 +.. date: 7756 +.. nonce: -L7_Vz +.. section: Library + +Make child processes exit using sys.exit() on Windows. + +.. + +.. bpo: 14936 +.. date: 7755 +.. nonce: dWJWXJ +.. section: Library + +curses_panel was converted to PEP 3121 and PEP 384 API. Patch by Robin +Schreiber. + +.. + +.. bpo: 1667546 +.. date: 7754 +.. nonce: 0Ml07f +.. section: Library + +On platforms supporting tm_zone and tm_gmtoff fields in struct tm, +time.struct_time objects returned by time.gmtime(), time.localtime() and +time.strptime() functions now have tm_zone and tm_gmtoff attributes. +Original patch by Paul Boddie. + +.. + +.. bpo: 0 +.. date: 7753 +.. nonce: yI710S +.. section: Library + +Rename adjusted attribute to adjustable in time.get_clock_info() result. + +.. + +.. bpo: 3518 +.. date: 7752 +.. nonce: sAhuMS +.. section: Library + +Remove references to non-existent BaseManager.from_address() method. + +.. + +.. bpo: 13857 +.. date: 7751 +.. nonce: nM4Pjv +.. section: Library + +Added textwrap.indent() function (initial patch by Ezra Berch) + +.. + +.. bpo: 2736 +.. date: 7750 +.. nonce: 3ntjsv +.. section: Library + +Added datetime.timestamp() method. + +.. + +.. bpo: 13854 +.. date: 7749 +.. nonce: ms8PU3 +.. section: Library + +Make multiprocessing properly handle non-integer non-string argument to +SystemExit. + +.. + +.. bpo: 12157 +.. date: 7748 +.. nonce: awxWQJ +.. section: Library + +Make pool.map() empty iterables correctly. Initial patch by mouad. + +.. + +.. bpo: 11823 +.. date: 7747 +.. nonce: OYVwDs +.. section: Library + +disassembly now shows argument counts on calls with keyword args. + +.. + +.. bpo: 14711 +.. date: 7746 +.. nonce: Msj3S3 +.. section: Library + +os.stat_float_times() has been deprecated. + +.. + +.. bpo: 0 +.. date: 7745 +.. nonce: vKEq1w +.. section: Library + +LZMAFile now accepts the modes "rb"/"wb"/"ab" as synonyms of "r"/"w"/"a". + +.. + +.. bpo: 0 +.. date: 7744 +.. nonce: ic3GYd +.. section: Library + +The bz2 and lzma modules now each contain an open() function, allowing +compressed files to readily be opened in text mode as well as binary mode. + +.. + +.. bpo: 0 +.. date: 7743 +.. nonce: JZXYUZ +.. section: Library + +BZ2File.__init__() and LZMAFile.__init__() now accept a file object as their +first argument, rather than requiring a separate "fileobj" argument. + +.. + +.. bpo: 0 +.. date: 7742 +.. nonce: yr4hFr +.. section: Library + +gzip.open() now accepts file objects as well as filenames. + +.. + +.. bpo: 14992 +.. date: 7741 +.. nonce: BZpm2F +.. section: Library + +os.makedirs(path, exist_ok=True) would raise an OSError when the path +existed and had the S_ISGID mode bit set when it was not explicitly asked +for. This is no longer an exception as mkdir cannot control if the OS sets +that bit for it or not. + +.. + +.. bpo: 14989 +.. date: 7740 +.. nonce: ctDCrK +.. section: Library + +Make the CGI enable option to http.server available via command line. + +.. + +.. bpo: 14987 +.. date: 7739 +.. nonce: jqZ71e +.. section: Library + +Add a missing import statement to inspect. + +.. + +.. bpo: 1079 +.. date: 7738 +.. nonce: D5DJz8 +.. section: Library + +email.header.decode_header now correctly parses all the examples in RFC2047. +There is a necessary visible behavior change: the leading and/or trailing +whitespace on ASCII parts is now preserved. + +.. + +.. bpo: 14969 +.. date: 7737 +.. nonce: VBSxHs +.. section: Library + +Better handling of exception chaining in contextlib.ExitStack + +.. + +.. bpo: 14963 +.. date: 7736 +.. nonce: --tMTo +.. section: Library + +Convert contextlib.ExitStack.__exit__ to use an iterative algorithm (Patch +by Alon Horev) + +.. + +.. bpo: 14785 +.. date: 7735 +.. nonce: fYs65U +.. section: Library + +Add sys._debugmallocstats() to help debug low-level memory allocation issues + +.. + +.. bpo: 14443 +.. date: 7734 +.. nonce: p-bqtq +.. section: Library + +Ensure that .py files are byte-compiled with the correct Python executable +within bdist_rpm even on older versions of RPM + +.. + +.. bpo: 15146 +.. date: 7733 +.. nonce: 2Jz2so +.. section: C API + +Add PyType_FromSpecWithBases. Patch by Robin Schreiber. + +.. + +.. bpo: 15042 +.. date: 7732 +.. nonce: kYm4US +.. section: C API + +Add PyState_AddModule and PyState_RemoveModule. Add version guard for +Py_LIMITED_API additions. Patch by Robin Schreiber. + +.. + +.. bpo: 13783 +.. date: 7731 +.. nonce: g0bioG +.. section: C API + +Inadvertent additions to the public C API in the PEP 380 implementation have +either been removed or marked as private interfaces. + +.. + +.. bpo: 15000 +.. date: 7730 +.. nonce: 8XUbk3 +.. section: Library + +Support the "unique" x32 architecture in _posixsubprocess.c. + +.. + +.. bpo: 9803 +.. date: 7729 +.. nonce: lJhnei +.. section: IDLE + +Don't close IDLE on saving if breakpoint is open. Patch by Roger Serwy. + +.. + +.. bpo: 14962 +.. date: 7728 +.. nonce: W_t8Sw +.. section: IDLE + +Update text coloring in IDLE shell window after changing options. Patch by +Roger Serwy. + +.. + +.. bpo: 15176 +.. date: 7727 +.. nonce: HgYfxh +.. section: Documentation + +Clarified behavior, documentation, and implementation of os.listdir(). + +.. + +.. bpo: 14982 +.. date: 7726 +.. nonce: xKhYZ8 +.. section: Documentation + +Document that pkgutil's iteration functions require the non-standard +iter_modules() method to be defined by an importer (something the importlib +importers do not define). + +.. + +.. bpo: 15081 +.. date: 7725 +.. nonce: aCqyXV +.. section: Documentation + +Document PyState_FindModule. Patch by Robin Schreiber. + +.. + +.. bpo: 14814 +.. date: 7724 +.. nonce: La_dla +.. section: Documentation + +Added first draft of ipaddress module API reference + +.. + +.. bpo: 15187 +.. date: 7723 +.. nonce: bw-thN +.. section: Tests + +Bugfix: remove temporary directories test_shutil was leaving behind. + +.. + +.. bpo: 14769 +.. date: 7722 +.. nonce: WxaMcY +.. section: Tests + +test_capi now has SkipitemTest, which cleverly checks for "parity" between +PyArg_ParseTuple() and the Python/getargs.c static function skipitem() for +all possible "format units". + +.. + +.. bpo: 0 +.. date: 7721 +.. nonce: sQs1l0 +.. section: Tests + +test_nntplib now tolerates being run from behind NNTP gateways that add +"X-Antivirus" headers to articles + +.. + +.. bpo: 15043 +.. date: 7720 +.. nonce: R2j8Hb +.. section: Tests + +test_gdb is now skipped entirely if gdb security settings block loading of +the gdb hooks + +.. + +.. bpo: 14963 +.. date: 7719 +.. nonce: ds1Xe1 +.. section: Tests + +Add test cases for exception handling behaviour in contextlib.ExitStack +(Initial patch by Alon Horev) + +.. + +.. bpo: 13590 +.. date: 7718 +.. nonce: A_UtOA +.. section: Build + +Improve support for OS X Xcode 4: * Try to avoid building Python or +extension modules with problematic llvm-gcc compiler. * Since Xcode 4 +removes ppc support, extension module builds now check for ppc compiler +support and automatically remove ppc and ppc64 archs when not available. +* Since Xcode 4 no longer install SDKs in default locations, extension +module builds now revert to using installed headers and libs if the SDK +used to build the interpreter is not available. * Update ./configure +to use better defaults for universal builds; in particular, --enable- +universalsdk=yes uses the Xcode default SDK and --with-universal-archs +now defaults to "intel" if ppc not available. + +.. + +.. bpo: 14225 +.. date: 7717 +.. nonce: OrLFhQ +.. section: Build + +Fix Unicode support for curses (#12567) on OS X + +.. + +.. bpo: 14928 +.. date: 7716 +.. nonce: nAGpn8 +.. section: Build + +Fix importlib bootstrap issues by using a custom executable +(Modules/_freeze_importlib) to build Python/importlib.h. diff --git a/Misc/NEWS.d/3.3.0b2.rst b/Misc/NEWS.d/3.3.0b2.rst new file mode 100644 index 000000000000..1fabf5caa1aa --- /dev/null +++ b/Misc/NEWS.d/3.3.0b2.rst @@ -0,0 +1,1117 @@ +.. bpo: 15568 +.. date: 7925 +.. nonce: 5EtMDi +.. release date: 12-Aug-2012 +.. section: Core and Builtins + +Fix the return value of ``yield from`` when StopIteration is raised by a +custom iterator. + +.. + +.. bpo: 13119 +.. date: 7924 +.. nonce: aseW65 +.. section: Core and Builtins + +`sys.stdout` and `sys.stderr` are now using "\r\n" newline on Windows, as +Python 2. + +.. + +.. bpo: 15534 +.. date: 7923 +.. nonce: 4Pyohe +.. section: Core and Builtins + +Fix the fast-search function for non-ASCII Unicode strings. + +.. + +.. bpo: 15508 +.. date: 7922 +.. nonce: KU2qVb +.. section: Core and Builtins + +Fix the docstring for `__import__()` to have the proper default value of 0 +for 'level' and to not mention negative levels since they are not supported. + +.. + +.. bpo: 15425 +.. date: 7921 +.. nonce: zCIhUA +.. section: Core and Builtins + +Eliminated traceback noise from more situations involving importlib. + +.. + +.. bpo: 14578 +.. date: 7920 +.. nonce: h-xy3r +.. section: Core and Builtins + +Support modules registered in the Windows registry again. + +.. + +.. bpo: 15466 +.. date: 7919 +.. nonce: 1DQAG_ +.. section: Core and Builtins + +Stop using TYPE_INT64 in marshal, to make importlib.h (and other byte code +files) equal between 32-bit and 64-bit systems. + +.. + +.. bpo: 1692335 +.. date: 7918 +.. nonce: BrUd_4 +.. section: Core and Builtins + +Move initial exception args assignment to `BaseException.__new__()` to help +pickling of naive subclasses. + +.. + +.. bpo: 12834 +.. date: 7917 +.. nonce: 2LoP3_ +.. section: Core and Builtins + +Fix `PyBuffer_ToContiguous()` for non-contiguous arrays. + +.. + +.. bpo: 15456 +.. date: 7916 +.. nonce: bOiKDB +.. section: Core and Builtins + +Fix code `__sizeof__()` after #12399 change. Patch by Serhiy Storchaka. + +.. + +.. bpo: 15404 +.. date: 7915 +.. nonce: KGT7_K +.. section: Core and Builtins + +Refleak in PyMethodObject repr. + +.. + +.. bpo: 15394 +.. date: 7914 +.. nonce: polWKA +.. section: Core and Builtins + +An issue in `PyModule_Create()` that caused references to be leaked on some +error paths has been fixed. Patch by Julia Lawall. + +.. + +.. bpo: 15368 +.. date: 7913 +.. nonce: l0rbQ4 +.. section: Core and Builtins + +An issue that caused bytecode generation to be non-deterministic has been +fixed. + +.. + +.. bpo: 15202 +.. date: 7912 +.. nonce: K02yPx +.. section: Core and Builtins + +Consistently use the name "follow_symlinks" for new parameters in os and +shutil functions. + +.. + +.. bpo: 15314 +.. date: 7911 +.. nonce: T3keLz +.. section: Core and Builtins + +``__main__.__loader__`` is now set correctly during interpreter startup. + +.. + +.. bpo: 15111 +.. date: 7910 +.. nonce: 1YYX9k +.. section: Core and Builtins + +When a module imported using 'from import' has an ImportError inside itself, +don't mask that fact behind a generic ImportError for the module itself. + +.. + +.. bpo: 15293 +.. date: 7909 +.. nonce: V0da2s +.. section: Core and Builtins + +Add GC support to the AST base node type. + +.. + +.. bpo: 15291 +.. date: 7908 +.. nonce: EZLsML +.. section: Core and Builtins + +Fix a memory leak where AST nodes where not properly deallocated. + +.. + +.. bpo: 15110 +.. date: 7907 +.. nonce: bZ0pao +.. section: Core and Builtins + +Fix the tracebacks generated by "import xxx" to not show the importlib stack +frames. + +.. + +.. bpo: 16369 +.. date: 7906 +.. nonce: GtRTux +.. section: Core and Builtins + +Global PyTypeObjects not initialized with PyType_Ready(...). + +.. + +.. bpo: 15020 +.. date: 7905 +.. nonce: 6h6cc- +.. section: Core and Builtins + +The program name used to search for Python's path is now "python3" under +Unix, not "python". + +.. + +.. bpo: 15897 +.. date: 7904 +.. nonce: GQpoBE +.. section: Core and Builtins + +zipimport.c doesn't check return value of fseek(). Patch by Felipe Cruz. + +.. + +.. bpo: 15033 +.. date: 7903 +.. nonce: gKl1Eg +.. section: Core and Builtins + +Fix the exit status bug when modules invoked using -m switch, return the +proper failure return value (1). Patch contributed by Jeff Knupp. + +.. + +.. bpo: 15229 +.. date: 7902 +.. nonce: hUWTFh +.. section: Core and Builtins + +An `OSError` subclass whose __init__ doesn't call back OSError.__init__ +could produce incomplete instances, leading to crashes when calling str() on +them. + +.. + +.. bpo: 15307 +.. date: 7901 +.. nonce: mFzbP4 +.. section: Core and Builtins + +Virtual environments now use symlinks with framework builds on Mac OS X, +like other POSIX builds. + +.. + +.. bpo: 14590 +.. date: 7900 +.. nonce: RPPwGW +.. section: Library + +configparser now correctly strips inline comments when delimiter occurs +earlier without preceding space. + +.. + +.. bpo: 15424 +.. date: 7899 +.. nonce: w6orRE +.. section: Library + +Add a `__sizeof__()` implementation for array objects. Patch by Ludwig +Hähne. + +.. + +.. bpo: 15576 +.. date: 7898 +.. nonce: twIC1T +.. section: Library + +Allow extension modules to act as a package's __init__ module. + +.. + +.. bpo: 15502 +.. date: 7897 +.. nonce: GTqgJP +.. section: Library + +Have `importlib.invalidate_caches()` work on `sys.meta_path` instead of +`sys.path_importer_cache`. + +.. + +.. bpo: 15163 +.. date: 7896 +.. nonce: EbXsEd +.. section: Library + +Pydoc shouldn't list __loader__ as module data. + +.. + +.. bpo: 15471 +.. date: 7895 +.. nonce: v2y8Qp +.. section: Library + +Do not use mutable objects as defaults for `importlib.__import__()`. + +.. + +.. bpo: 15559 +.. date: 7894 +.. nonce: VHs94w +.. section: Library + +To avoid a problematic failure mode when passed to the bytes constructor, +objects in the ipaddress module no longer implement `__index__()` (they +still implement `__int__()` as appropriate). + +.. + +.. bpo: 15546 +.. date: 7893 +.. nonce: 7Rbh2v +.. section: Library + +Fix handling of pathological input data in the peek() and read1() methods of +the BZ2File, GzipFile and LZMAFile classes. + +.. + +.. bpo: 12655 +.. date: 7892 +.. nonce: ZAyp7B +.. section: Library + +Instead of requiring a custom type, `os.sched_getaffinity()` and +`os.sched_setaffinity()` now use regular sets of integers to represent the +CPUs a process is restricted to. + +.. + +.. bpo: 15538 +.. date: 7891 +.. nonce: gWWn3s +.. section: Library + +Fix compilation of the `socket.getnameinfo()` / `socket.getaddrinfo()` +emulation code. Patch by Philipp Hagemeister. + +.. + +.. bpo: 15519 +.. date: 7890 +.. nonce: 2yTG4N +.. section: Library + +Properly expose WindowsRegistryFinder in importlib (and use the correct term +for it). Original patch by Eric Snow. + +.. + +.. bpo: 15502 +.. date: 7889 +.. nonce: _ap4my +.. section: Library + +Bring the importlib ABCs into line with the current state of the import +protocols given PEP 420. Original patch by Eric Snow. + +.. + +.. bpo: 15499 +.. date: 7888 +.. nonce: TRAS0u +.. section: Library + +Launching a webbrowser in Unix used to sleep for a few seconds. Original +patch by Anton Barkovsky. + +.. + +.. bpo: 15463 +.. date: 7887 +.. nonce: _sPf0r +.. section: Library + +The faulthandler module truncates strings to 500 characters, instead of 100, +to be able to display long file paths. + +.. + +.. bpo: 6056 +.. date: 7886 +.. nonce: nOnpDY +.. section: Library + +Make `multiprocessing` use setblocking(True) on the sockets it uses. +Original patch by J Derek Wilson. + +.. + +.. bpo: 15364 +.. date: 7885 +.. nonce: OM4nfW +.. section: Library + +Fix sysconfig.get_config_var('srcdir') to be an absolute path. + +.. + +.. bpo: 15413 +.. date: 7884 +.. nonce: mADROy +.. section: Library + +`os.times()` had disappeared under Windows. + +.. + +.. bpo: 15402 +.. date: 7883 +.. nonce: RTpYl_ +.. section: Library + +An issue in the struct module that caused `sys.getsizeof()` to return +incorrect results for struct.Struct instances has been fixed. Initial patch +by Serhiy Storchaka. + +.. + +.. bpo: 15232 +.. date: 7882 +.. nonce: AKjzKL +.. section: Library + +When mangle_from is True, `email.Generator` now correctly mangles lines that +start with 'From ' that occur in a MIME preamble or epilogue. + +.. + +.. bpo: 15094 +.. date: 7881 +.. nonce: _4f99s +.. section: Library + +Incorrectly placed #endif in _tkinter.c. Patch by Serhiy Storchaka. + +.. + +.. bpo: 13922 +.. date: 7880 +.. nonce: Bv_D0W +.. section: Library + +`argparse` no longer incorrectly strips '--'s that appear after the first +one. + +.. + +.. bpo: 12353 +.. date: 7879 +.. nonce: fYrcGJ +.. section: Library + +`argparse` now correctly handles null argument values. + +.. + +.. bpo: 10017 +.. date: 7878 +.. nonce: CswD6I +.. section: Library + +Fix TypeError using pprint on dictionaries with user-defined types as keys +or other unorderable keys. (See also: bpo-14998) + +.. + +.. bpo: 15397 +.. date: 7877 +.. nonce: xaA9nH +.. section: Library + +`inspect.getmodulename()` is now based directly on importlib via a new +`importlib.machinery.all_suffixes()` API. + +.. + +.. bpo: 14635 +.. date: 7876 +.. nonce: oyc5AR +.. section: Library + +`telnetlib` will use poll() rather than select() when possible to avoid +failing due to the select() file descriptor limit. + +.. + +.. bpo: 15180 +.. date: 7875 +.. nonce: CPeO5l +.. section: Library + +Clarify posixpath.join() error message when mixing str & bytes. + +.. + +.. bpo: 15343 +.. date: 7874 +.. nonce: zT5uuJ +.. section: Library + +pkgutil now includes an iter_importer_modules implementation for +importlib.machinery.FileFinder (similar to the way it already handled +zipimport.zipimporter). + +.. + +.. bpo: 15314 +.. date: 7873 +.. nonce: 1kHyrO +.. section: Library + +runpy now sets __main__.__loader__ correctly. + +.. + +.. bpo: 15357 +.. date: 7872 +.. nonce: fCWRb1 +.. section: Library + +The import emulation in pkgutil is now deprecated. pkgutil uses importlib +internally rather than the emulation. + +.. + +.. bpo: 15233 +.. date: 7871 +.. nonce: 8YQW0- +.. section: Library + +Python now guarantees that callables registered with the atexit module will +be called in a deterministic order. + +.. + +.. bpo: 15238 +.. date: 7870 +.. nonce: hBKF6z +.. section: Library + +`shutil.copystat()` now copies Linux "extended attributes". + +.. + +.. bpo: 15230 +.. date: 7869 +.. nonce: hF8Df5 +.. section: Library + +runpy.run_path now correctly sets __package__ as described in the +documentation. + +.. + +.. bpo: 15315 +.. date: 7868 +.. nonce: MDcIoC +.. section: Library + +Support VS 2010 in distutils cygwincompiler. + +.. + +.. bpo: 15294 +.. date: 7867 +.. nonce: s_sHkY +.. section: Library + +Fix a regression in pkgutil.extend_path()'s handling of nested namespace +packages. + +.. + +.. bpo: 15056 +.. date: 7866 +.. nonce: _hOdjz +.. section: Library + +`imp.cache_from_source()` and `imp.source_from_cache()` raise +NotImplementedError when `sys.implementation.cache_tag` is set to None. + +.. + +.. bpo: 15256 +.. date: 7865 +.. nonce: j5YTHm +.. section: Library + +Grammatical mistake in exception raised by `imp.find_module()`. + +.. + +.. bpo: 5931 +.. date: 7864 +.. nonce: VKqYde +.. section: Library + +`wsgiref` environ variable SERVER_SOFTWARE will specify an implementation +specific term like CPython, Jython instead of generic "Python". + +.. + +.. bpo: 13248 +.. date: 7863 +.. nonce: N0Q9xt +.. section: Library + +Remove obsolete argument "max_buffer_size" of BufferedWriter and +BufferedRWPair, from the io module. + +.. + +.. bpo: 13248 +.. date: 7862 +.. nonce: _3vbnO +.. section: Library + +Remove obsolete argument "version" of `argparse.ArgumentParser`. + +.. + +.. bpo: 14814 +.. date: 7861 +.. nonce: W1kVVL +.. section: Library + +Implement more consistent ordering and sorting behaviour for ipaddress +objects. + +.. + +.. bpo: 14814 +.. date: 7860 +.. nonce: I6pgMy +.. section: Library + +`ipaddress` network objects correctly return NotImplemented when compared to +arbitrary objects instead of raising TypeError. + +.. + +.. bpo: 14990 +.. date: 7859 +.. nonce: -Zc9sh +.. section: Library + +Correctly fail with SyntaxError on invalid encoding declaration. + +.. + +.. bpo: 14814 +.. date: 7858 +.. nonce: jojpI0 +.. section: Library + +`ipaddress` now provides more informative error messages when constructing +instances directly (changes permitted during beta due to provisional API +status). + +.. + +.. bpo: 15247 +.. date: 7857 +.. nonce: LPO5XB +.. section: Library + +`io.FileIO` now raises an error when given a file descriptor pointing to a +directory. + +.. + +.. bpo: 15261 +.. date: 7856 +.. nonce: XiGTFG +.. section: Library + +Stop os.stat(fd) crashing on Windows when fd not open. + +.. + +.. bpo: 15166 +.. date: 7855 +.. nonce: R5xIH3 +.. section: Library + +Implement `imp.get_tag()` using `sys.implementation.cache_tag`. + +.. + +.. bpo: 15210 +.. date: 7854 +.. nonce: SOwAHs +.. section: Library + +Catch KeyError when `importlib.__init__()` can't find _frozen_importlib in +sys.modules, not ImportError. + +.. + +.. bpo: 15030 +.. date: 7853 +.. nonce: x8Nujl +.. section: Library + +`importlib.abc.PyPycLoader` now supports the new source size header field in +.pyc files. + +.. + +.. bpo: 5346 +.. date: 7852 +.. nonce: pFwRO0 +.. section: Library + +Preserve permissions of mbox, MMDF and Babyl mailbox files on flush(). + +.. + +.. bpo: 10571 +.. date: 7851 +.. nonce: X5MB7m +.. section: Library + +Fix the "--sign" option of distutils' upload command. Patch by Jakub Wilk. + +.. + +.. bpo: 9559 +.. date: 7850 +.. nonce: j_O5FY +.. section: Library + +If messages were only added, a new file is no longer created and renamed +over the old file when flush() is called on an mbox, MMDF or Babyl mailbox. + +.. + +.. bpo: 10924 +.. date: 7849 +.. nonce: hzTAWl +.. section: Library + +Fixed `crypt.mksalt()` to use a RNG that is suitable for cryptographic +purpose. + +.. + +.. bpo: 15184 +.. date: 7848 +.. nonce: _o9qHk +.. section: Library + +Ensure consistent results of OS X configuration tailoring for universal +builds by factoring out common OS X-specific customizations from sysconfig, +distutils.sysconfig, distutils.util, and distutils.unixccompiler into a new +module _osx_support. + +.. + +.. bpo: 15610 +.. date: 7847 +.. nonce: 9i-ogW +.. section: C API + +`PyImport_ImportModuleEx()` now uses a 'level' of 0 instead of -1. + +.. + +.. bpo: 15169 +.. date: 7846 +.. nonce: TiQMCK +.. section: C API + +Strip out the C implementation of `imp.source_from_cache()` used by +PyImport_ExecCodeModuleWithPathnames() and used the Python code instead. +Leads to PyImport_ExecCodeModuleObject() to not try to infer the source path +from the bytecode path as PyImport_ExecCodeModuleWithPathnames() does. (See +also: bpo-14599) + +.. + +.. bpo: 6493 +.. date: 7845 +.. nonce: TsfKuQ +.. section: Library + +An issue in ctypes on Windows that caused structure bitfields of type +`ctypes.c_uint32` and width 32 to incorrectly be set has been fixed. + +.. + +.. bpo: 15194 +.. date: 7844 +.. nonce: X7uUdw +.. section: Library + +Update libffi to the 3.0.11 release. + +.. + +.. bpo: 13052 +.. date: 7843 +.. nonce: uLYm16 +.. section: IDLE + +Fix IDLE crashing when replace string in Search/Replace dialog ended with +``\``. Patch by Roger Serwy. + +.. + +.. bpo: 15458 +.. date: 7842 +.. nonce: yqKQVd +.. section: Tools/Demos + +python-config gets a new option --configdir to print the $LIBPL value. + +.. + +.. bpo: 0 +.. date: 7841 +.. nonce: GMHP1o +.. section: Tools/Demos + +Move importlib.test.benchmark to Tools/importbench. + +.. + +.. bpo: 12605 +.. date: 7840 +.. nonce: GsN07w +.. section: Tools/Demos + +The gdb hooks for debugging CPython (within Tools/gdb) have been enhanced to +show information on more C frames relevant to CPython within the "py-bt" and +"py-bt-full" commands: + +* C frames that are waiting on the GIL +* C frames that are garbage-collecting +* C frames that are due to the invocation of a PyCFunction + +.. + +.. bpo: 15041 +.. date: 7839 +.. nonce: nMyhwF +.. section: Documentation + +Update "see also" list in tkinter documentation. + +.. + +.. bpo: 15444 +.. date: 7838 +.. nonce: VpoVrT +.. section: Documentation + +Use proper spelling for non-ASCII contributor names. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 15295 +.. date: 7837 +.. nonce: 74vVdW +.. section: Documentation + +Reorganize and rewrite the documentation on the import system. + +.. + +.. bpo: 15230 +.. date: 7836 +.. nonce: gSl9Ew +.. section: Documentation + +Clearly document some of the limitations of the runpy module and nudge +readers towards importlib when appropriate. + +.. + +.. bpo: 15053 +.. date: 7835 +.. nonce: Icoig1 +.. section: Documentation + +Copy Python 3.3 import lock change notice to all relevant functions in imp +instead of just at the top of the relevant section. + +.. + +.. bpo: 15288 +.. date: 7834 +.. nonce: S9JauN +.. section: Documentation + +Link to the term "loader" in notes in pkgutil about how things won't work as +expected in Python 3.3 and mark the requisite functions as "changed" since +they will no longer work with modules directly imported by import itself. + +.. + +.. bpo: 13557 +.. date: 7833 +.. nonce: hxoRWL +.. section: Documentation + +Clarify effect of giving two different namespaces to `exec()` or +`execfile()`. + +.. + +.. bpo: 15250 +.. date: 7832 +.. nonce: 1UQaan +.. section: Documentation + +Document that `filecmp.dircmp()` compares files shallowly. Patch contributed +by Chris Jerdonek. + +.. + +.. bpo: 15442 +.. date: 7831 +.. nonce: xkvBID +.. section: Documentation + +Expose the default list of directories ignored by `filecmp.dircmp()` as a +module attribute, and expand the list to more modern values. + +.. + +.. bpo: 15467 +.. date: 7830 +.. nonce: 18o7uj +.. section: Tests + +Move helpers for `__sizeof__()` tests into test_support. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 15320 +.. date: 7829 +.. nonce: D9sGMO +.. section: Tests + +Make iterating the list of tests thread-safe when running tests in +multiprocess mode. Patch by Chris Jerdonek. + +.. + +.. bpo: 15168 +.. date: 7828 +.. nonce: 5Wgbv5 +.. section: Tests + +Move `importlib.test` to `test.test_importlib`. + +.. + +.. bpo: 15091 +.. date: 7827 +.. nonce: 66ZPS6 +.. section: Tests + +Reactivate a test on UNIX which was failing thanks to a forgotten +`importlib.invalidate_caches()` call. + +.. + +.. bpo: 15230 +.. date: 7826 +.. nonce: WoWqyy +.. section: Tests + +Adopted a more systematic approach in the runpy tests. + +.. + +.. bpo: 15300 +.. date: 7825 +.. nonce: Gh3GXC +.. section: Tests + +Ensure the temporary test working directories are in the same parent folder +when running tests in multiprocess mode from a Python build. Patch by Chris +Jerdonek. + +.. + +.. bpo: 15284 +.. date: 7824 +.. nonce: eNb_mn +.. section: Tests + +Skip {send,recv}msg tests in test_socket when IPv6 is not enabled. Patch by +Brian Brazil. + +.. + +.. bpo: 15277 +.. date: 7823 +.. nonce: EIIXc8 +.. section: Tests + +Fix a resource leak in support.py when IPv6 is disabled. Patch by Brian +Brazil. + +.. + +.. bpo: 11715 +.. date: 7822 +.. nonce: n-NQIf +.. section: Build + +Fix multiarch detection without having Debian development tools (dpkg-dev) +installed. + +.. + +.. bpo: 15037 +.. date: 7821 +.. nonce: SNQtrw +.. section: Build + +Build OS X installers with local copy of ncurses 5.9 libraries to avoid +curses.unget_wch bug present in older versions of ncurses such as those +shipped with OS X. + +.. + +.. bpo: 15560 +.. date: 7820 +.. nonce: VpYY1z +.. section: Build + +Fix building _sqlite3 extension on OS X with an SDK. Also, for OS X +installers, ensure consistent sqlite3 behavior and feature availability by +building a local copy of libsqlite3 rather than depending on the wide range +of versions supplied with various OS X releases. + +.. + +.. bpo: 8847 +.. date: 7819 +.. nonce: lqI_r8 +.. section: Build + +Disable COMDAT folding in Windows PGO builds. + +.. + +.. bpo: 14018 +.. date: 7818 +.. nonce: RHawO_ +.. section: Build + +Fix OS X Tcl/Tk framework checking when using OS X SDKs. + +.. + +.. bpo: 16256 +.. date: 7817 +.. nonce: vrx66r +.. section: Build + +OS X installer now sets correct permissions for doc directory. + +.. + +.. bpo: 15431 +.. date: 7816 +.. nonce: veQwgP +.. section: Build + +Add _freeze_importlib project to regenerate importlib.h on Windows. Patch by +Kristján Valur Jónsson. + +.. + +.. bpo: 14197 +.. date: 7815 +.. nonce: Jyukle +.. section: Build + +For OS X framework builds, ensure links to the shared library are created +with the proper ABI suffix. + +.. + +.. bpo: 14330 +.. date: 7814 +.. nonce: DrQcsD +.. section: Build + +For cross builds, don't use host python, use host search paths for host +compiler. + +.. + +.. bpo: 15235 +.. date: 7813 +.. nonce: kDP-3- +.. section: Build + +Allow Berkley DB versions up to 5.3 to build the dbm module. + +.. + +.. bpo: 15268 +.. date: 7812 +.. nonce: xCKPyN +.. section: Build + +Search curses.h in /usr/include/ncursesw. diff --git a/Misc/NEWS.d/3.3.0rc1.rst b/Misc/NEWS.d/3.3.0rc1.rst new file mode 100644 index 000000000000..4f9d08db11ef --- /dev/null +++ b/Misc/NEWS.d/3.3.0rc1.rst @@ -0,0 +1,411 @@ +.. bpo: 15573 +.. date: 7967 +.. nonce: 6-QAPO +.. release date: 25-Aug-2012 +.. section: Core and Builtins + +memoryview comparisons are now performed by value with full support for any +valid struct module format definition. + +.. + +.. bpo: 15316 +.. date: 7966 +.. nonce: kFKLpQ +.. section: Core and Builtins + +When an item in the fromlist for `__import__()` doesn't exist, don't raise +an error, but if an exception is raised as part of an import do let that +propagate. + +.. + +.. bpo: 15778 +.. date: 7965 +.. nonce: URaMpQ +.. section: Core and Builtins + +Ensure that ``str(ImportError(msg))`` returns a str even when msg isn't a +str. + +.. + +.. bpo: 2051 +.. date: 7964 +.. nonce: ATEUvX +.. section: Core and Builtins + +Source file permission bits are once again correctly copied to the cached +bytecode file. (The migration to importlib reintroduced this problem because +these was no regression test. A test has been added as part of this patch) + +.. + +.. bpo: 15761 +.. date: 7963 +.. nonce: PLrF5o +.. section: Core and Builtins + +Fix crash when ``PYTHONEXECUTABLE`` is set on Mac OS X. + +.. + +.. bpo: 15726 +.. date: 7962 +.. nonce: PC56aB +.. section: Core and Builtins + +Fix incorrect bounds checking in PyState_FindModule. Patch by Robin +Schreiber. + +.. + +.. bpo: 15604 +.. date: 7961 +.. nonce: SJAkFr +.. section: Core and Builtins + +Update uses of `PyObject_IsTrue()` to check for and handle errors correctly. +Patch by Serhiy Storchaka. + +.. + +.. bpo: 14846 +.. date: 7960 +.. nonce: jI2Zl_ +.. section: Core and Builtins + +`importlib.FileFinder` now handles the case where the directory being +searched is removed after a previous import attempt. + +.. + +.. bpo: 13370 +.. date: 7959 +.. nonce: KobXSZ +.. section: Library + +Ensure that ctypes works on Mac OS X when Python is compiled using the clang +compiler. + +.. + +.. bpo: 13072 +.. date: 7958 +.. nonce: HlsZI- +.. section: Library + +The array module's 'u' format code is now deprecated and will be removed in +Python 4.0. + +.. + +.. bpo: 15544 +.. date: 7957 +.. nonce: 3QjWdU +.. section: Library + +Fix Decimal.__float__ to work with payload-carrying NaNs. + +.. + +.. bpo: 15776 +.. date: 7956 +.. nonce: --Euj0 +.. section: Library + +Allow pyvenv to work in existing directory with --clean. + +.. + +.. bpo: 15249 +.. date: 7955 +.. nonce: ho-Io6 +.. section: Library + +email's BytesGenerator now correctly mangles From lines (when requested) +even if the body contains undecodable bytes. + +.. + +.. bpo: 15777 +.. date: 7954 +.. nonce: AVmvaJ +.. section: Library + +Fix a refleak in _posixsubprocess. + +.. + +.. bpo: 665194 +.. date: 7953 +.. nonce: AECTWV +.. section: Library + +Update `email.utils.localtime` to use datetime.astimezone and correctly +handle historic changes in UTC offsets. + +.. + +.. bpo: 15199 +.. date: 7952 +.. nonce: iOOV1X +.. section: Library + +Fix JavaScript's default MIME type to application/javascript. Patch by +Bohuslav Kabrda. + +.. + +.. bpo: 12643 +.. date: 7951 +.. nonce: Jy2fyw +.. section: Library + +`code.InteractiveConsole` now respects `sys.excepthook` when displaying +exceptions. Patch by Aaron Iles. + +.. + +.. bpo: 13579 +.. date: 7950 +.. nonce: SqZ8Sq +.. section: Library + +`string.Formatter` now understands the 'a' conversion specifier. + +.. + +.. bpo: 15595 +.. date: 7949 +.. nonce: dk1eKQ +.. section: Library + +Fix ``subprocess.Popen(universal_newlines=True)`` for certain locales +(utf-16 and utf-32 family). Patch by Chris Jerdonek. + +.. + +.. bpo: 15477 +.. date: 7948 +.. nonce: 9gGqPw +.. section: Library + +In cmath and math modules, add workaround for platforms whose system- +supplied log1p function doesn't respect signs of zeros. + +.. + +.. bpo: 15715 +.. date: 7947 +.. nonce: 3g_xGx +.. section: Library + +`importlib.__import__()` will silence an ImportError when the use of +fromlist leads to a failed import. + +.. + +.. bpo: 14669 +.. date: 7946 +.. nonce: mVYj1T +.. section: Library + +Fix pickling of connections and sockets on Mac OS X by sending/receiving an +acknowledgment after file descriptor transfer. TestPicklingConnection has +been reenabled for Mac OS X. + +.. + +.. bpo: 11062 +.. date: 7945 +.. nonce: ZhTF21 +.. section: Library + +Fix adding a message from file to Babyl mailbox. + +.. + +.. bpo: 15646 +.. date: 7944 +.. nonce: bzzL5z +.. section: Library + +Prevent equivalent of a fork bomb when using `multiprocessing` on Windows +without the ``if __name__ == '__main__'`` idiom. + +.. + +.. bpo: 15678 +.. date: 7943 +.. nonce: Uq5eEl +.. section: IDLE + +Fix IDLE menus when started from OS X command line (3.3.0b2 regression). + +.. + +.. bpo: 0 +.. date: 7942 +.. nonce: 2necKS +.. section: Documentation + +Touched up the Python 2 to 3 porting guide. + +.. + +.. bpo: 14674 +.. date: 7941 +.. nonce: VC9ve3 +.. section: Documentation + +Add a discussion of the `json` module's standard compliance. Patch by Chris +Rebert. + +.. + +.. bpo: 0 +.. date: 7940 +.. nonce: BGYuhC +.. section: Documentation + +Create a 'Concurrent Execution' section in the docs, and split up the +'Optional Operating System Services' section to use a more user-centric +classification scheme (splitting them across the new CE section, IPC and +text processing). Operating system limitations can be reflected with the +Sphinx ``:platform:`` tag, it doesn't make sense as part of the Table of +Contents. + +.. + +.. bpo: 4966 +.. date: 7939 +.. nonce: -5pabe +.. section: Documentation + +Bring the sequence docs up to date for the Py3k transition and the many +language enhancements since they were original written. + +.. + +.. bpo: 0 +.. date: 7938 +.. nonce: jD4Bea +.. section: Documentation + +The "path importer" misnomer has been replaced with Eric Snow's more- +awkward-but-at-least-not-wrong suggestion of "path based finder" in the +import system reference docs. + +.. + +.. bpo: 15640 +.. date: 7937 +.. nonce: qijhlP +.. section: Documentation + +Document `importlib.abc.Finder` as deprecated. + +.. + +.. bpo: 15630 +.. date: 7936 +.. nonce: 1E1IGr +.. section: Documentation + +Add an example for "continue" stmt in the tutorial. Patch by Daniel Ellis. + +.. + +.. bpo: 15747 +.. date: 7935 +.. nonce: An6Xbj +.. section: Tests + +ZFS always returns EOPNOTSUPP when attempting to set the UF_IMMUTABLE flag +(via either chflags or lchflags); refactor affected tests in test_posix.py +to account for this. + +.. + +.. bpo: 15285 +.. date: 7934 +.. nonce: rJh9vn +.. section: Tests + +Refactor the approach for testing connect timeouts using two external hosts +that have been configured specifically for this type of test. + +.. + +.. bpo: 15743 +.. date: 7933 +.. nonce: k_VrGz +.. section: Tests + +Remove the deprecated method usage in `urllib` tests. Patch by Jeff Knupp. + +.. + +.. bpo: 15615 +.. date: 7932 +.. nonce: pjU4Wf +.. section: Tests + +Add some tests for the `json` module's handling of invalid input data. +Patch by Kushal Das. + +.. + +.. bpo: 0 +.. date: 7931 +.. nonce: SVSrkA +.. section: Build + +Output lib files for PGO build into PGO directory. + +.. + +.. bpo: 0 +.. date: 7930 +.. nonce: KlXR19 +.. section: Build + +Pick up 32-bit launcher from PGO directory on 64-bit PGO build. + +.. + +.. bpo: 0 +.. date: 7929 +.. nonce: rErpCh +.. section: Build + +Drop ``PC\python_nt.h`` as it's not used. Add input dependency on custom +build step. + +.. + +.. bpo: 15511 +.. date: 7928 +.. nonce: Fli23V +.. section: Build + +Drop explicit dependency on pythonxy.lib from _decimal amd64 configuration. + +.. + +.. bpo: 0 +.. date: 7927 +.. nonce: UI3Nwa +.. section: Build + +Add missing PGI/PGO configurations for pywlauncher. + +.. + +.. bpo: 15645 +.. date: 7926 +.. nonce: aLjenQ +.. section: Build + +Ensure 2to3 grammar pickles are properly installed. diff --git a/Misc/NEWS.d/3.3.0rc2.rst b/Misc/NEWS.d/3.3.0rc2.rst new file mode 100644 index 000000000000..e8c3d2fef3bb --- /dev/null +++ b/Misc/NEWS.d/3.3.0rc2.rst @@ -0,0 +1,122 @@ +.. bpo: 13992 +.. date: 7979 +.. nonce: NtESXo +.. release date: 09-Sep-2012 +.. section: Core and Builtins + +The trashcan mechanism is now thread-safe. This eliminates sporadic crashes +in multi-thread programs when several long deallocator chains ran +concurrently and involved subclasses of built-in container types. + +.. + +.. bpo: 15784 +.. date: 7978 +.. nonce: zeVMus +.. section: Core and Builtins + +Modify `OSError`.__str__() to better distinguish between errno error numbers +and Windows error numbers. + +.. + +.. bpo: 15781 +.. date: 7977 +.. nonce: kNkd0Y +.. section: Core and Builtins + +Fix two small race conditions in import's module locking. + +.. + +.. bpo: 17158 +.. date: 7976 +.. nonce: vU3389 +.. section: Library + +Add 'symbols' to help() welcome message; clarify 'modules spam' messages. + +.. + +.. bpo: 15847 +.. date: 7975 +.. nonce: kB0FUD +.. section: Library + +Fix a regression in argparse, which did not accept tuples as argument lists +anymore. + +.. + +.. bpo: 15828 +.. date: 7974 +.. nonce: EW3Br7 +.. section: Library + +Restore support for C extensions in `imp.load_module()`. + +.. + +.. bpo: 15340 +.. date: 7973 +.. nonce: ThJxoy +.. section: Library + +Fix importing the random module when ``/dev/urandom`` cannot be opened. +This was a regression caused by the hash randomization patch. + +.. + +.. bpo: 10650 +.. date: 7972 +.. nonce: FImkq4 +.. section: Library + +Deprecate the watchexp parameter of the `Decimal.quantize()` method. + +.. + +.. bpo: 15785 +.. date: 7971 +.. nonce: VZfOJY +.. section: Library + +Modify `window.get_wch()` API of the curses module: return a character for +most keys, and an integer for special keys, instead of always returning an +integer. So it is now possible to distinguish special keys like keypad keys. + +.. + +.. bpo: 14223 +.. date: 7970 +.. nonce: oVuUDj +.. section: Library + +Fix `window.addch()` of the curses module for special characters like +curses.ACS_HLINE: the Python function addch(int) and addch(bytes) is now +calling the C function waddch()/mvwaddch() (as it was done in Python 3.2), +instead of wadd_wch()/mvwadd_wch(). The Python function addch(str) is still +calling the C function wadd_wch()/mvwadd_wch() if the Python curses is +linked to libncursesw. + +.. + +.. bpo: 15822 +.. date: 7969 +.. nonce: SNlKd9 +.. section: Build + +Really ensure 2to3 grammar pickles are properly installed (replaces fixes +for Issue #15645). + +.. + +.. bpo: 15814 +.. date: 7968 +.. nonce: JleLly +.. section: Documentation + +The memoryview enhancements in 3.3.0 accidentally permitted the hashing of +multi-dimensional memorviews and memoryviews with multi-byte item formats. +The intended restrictions have now been documented - they will be correctly +enforced in 3.3.1. diff --git a/Misc/NEWS.d/3.3.0rc3.rst b/Misc/NEWS.d/3.3.0rc3.rst new file mode 100644 index 000000000000..408790823e06 --- /dev/null +++ b/Misc/NEWS.d/3.3.0rc3.rst @@ -0,0 +1,98 @@ +.. bpo: 15900 +.. date: 7989 +.. nonce: yot4lz +.. release date: 23-Sep-2012 +.. section: Core and Builtins + +Fix reference leak in `PyUnicode_TranslateCharmap()`. + +.. + +.. bpo: 15926 +.. date: 7988 +.. nonce: g2IIQa +.. section: Core and Builtins + +Fix crash after multiple reinitializations of the interpreter. + +.. + +.. bpo: 15895 +.. date: 7987 +.. nonce: KirUDy +.. section: Core and Builtins + +Fix FILE pointer leak in one error branch of `PyRun_SimpleFileExFlags()` +when filename points to a pyc/pyo file, closeit is false an and +set_main_loader() fails. + +.. + +.. bpo: 0 +.. date: 7986 +.. nonce: MMXe9c +.. section: Core and Builtins + +Fixes for a few crash and memory leak regressions found by Coverity. + +.. + +.. bpo: 15882 +.. date: 7985 +.. nonce: tDRdOi +.. section: Library + +Change `_decimal` to accept any coefficient tuple when constructing +infinities. This is done for backwards compatibility with decimal.py: +Infinity coefficients are undefined in _decimal (in accordance with the +specification). + +.. + +.. bpo: 15925 +.. date: 7984 +.. nonce: ar8SuV +.. section: Library + +Fix a regression in `email.util` where the `parsedate()` and +`parsedate_tz()` functions did not return None anymore when the argument +could not be parsed. + +.. + +.. bpo: 15973 +.. date: 7983 +.. nonce: y4zCIp +.. section: Library + +Fix a segmentation fault when comparing datetime timezone objects. + +.. + +.. bpo: 15977 +.. date: 7982 +.. nonce: TElugq +.. section: Library + +Fix memory leak in Modules/_ssl.c when the function _set_npn_protocols() is +called multiple times, thanks to Daniel Sommermann. + +.. + +.. bpo: 15969 +.. date: 7981 +.. nonce: dX5BRm +.. section: Library + +`faulthandler` module: rename dump_tracebacks_later() to +dump_traceback_later() and cancel_dump_tracebacks_later() to +cancel_dump_traceback_later(). + +.. + +.. bpo: 0 +.. date: 7980 +.. nonce: ZqEirp +.. section: Library + +_decimal module: use only C 89 style comments. diff --git a/Misc/NEWS.d/3.4.0.rst b/Misc/NEWS.d/3.4.0.rst new file mode 100644 index 000000000000..03bd0235651e --- /dev/null +++ b/Misc/NEWS.d/3.4.0.rst @@ -0,0 +1,17 @@ +.. bpo: 20939 +.. date: 9341 +.. nonce: MX5O4e +.. release date: 2014-03-16 +.. section: Library + +Fix test_geturl failure in test_urllibnet due to new redirect of +http://www.python.org/ to https://www.python.org. + +.. + +.. bpo: 0 +.. date: 9340 +.. nonce: 1hrH2G +.. section: Documentation + +Merge in all documentation changes since branching 3.4.0rc1. diff --git a/Misc/NEWS.d/3.4.0a1.rst b/Misc/NEWS.d/3.4.0a1.rst new file mode 100644 index 000000000000..1860e4d46df4 --- /dev/null +++ b/Misc/NEWS.d/3.4.0a1.rst @@ -0,0 +1,7206 @@ +.. bpo: 16741 +.. date: 8734 +.. nonce: bBBAqs +.. release date: 2013-08-03 +.. section: Core and Builtins + +Fix an error reporting in int(). + +.. + +.. bpo: 17899 +.. date: 8733 +.. nonce: Asq8mo +.. section: Core and Builtins + +Fix rare file descriptor leak in os.listdir(). + +.. + +.. bpo: 10241 +.. date: 8732 +.. nonce: V_nZk4 +.. section: Core and Builtins + +Clear extension module dict copies at interpreter shutdown. Patch by Neil +Schemenauer, minimally modified. + +.. + +.. bpo: 9035 +.. date: 8731 +.. nonce: Cx3O-7 +.. section: Core and Builtins + +ismount now recognises volumes mounted below a drive root on Windows. +Original patch by Atsuo Ishimoto. + +.. + +.. bpo: 18214 +.. date: 8730 +.. nonce: K8wQAM +.. section: Core and Builtins + +Improve finalization of Python modules to avoid setting their globals to +None, in most cases. + +.. + +.. bpo: 18112 +.. date: 8729 +.. nonce: 2Oph_E +.. section: Core and Builtins + +PEP 442 implementation (safe object finalization). + +.. + +.. bpo: 18552 +.. date: 8728 +.. nonce: hbrQHu +.. section: Core and Builtins + +Check return value of PyArena_AddPyObject() in obj2ast_object(). + +.. + +.. bpo: 18560 +.. date: 8727 +.. nonce: 5q_c1C +.. section: Core and Builtins + +Fix potential NULL pointer dereference in sum(). + +.. + +.. bpo: 18520 +.. date: 8726 +.. nonce: JY197j +.. section: Core and Builtins + +Add a new PyStructSequence_InitType2() function, same than +PyStructSequence_InitType() except that it has a return value (0 on success, +-1 on error). + +.. + +.. bpo: 15905 +.. date: 8725 +.. nonce: RG-KXt +.. section: Core and Builtins + +Fix theoretical buffer overflow in handling of sys.argv[0], prefix and +exec_prefix if the operation system does not obey MAXPATHLEN. + +.. + +.. bpo: 18408 +.. date: 8724 +.. nonce: w526wJ +.. section: Core and Builtins + +Fix many various bugs in code handling errors, especially on memory +allocation failure (MemoryError). + +.. + +.. bpo: 18344 +.. date: 8723 +.. nonce: QFOn66 +.. section: Core and Builtins + +Fix potential ref-leaks in _bufferedreader_read_all(). + +.. + +.. bpo: 18342 +.. date: 8722 +.. nonce: PkhUGS +.. section: Core and Builtins + +Use the repr of a module name when an import fails when using ``from ... +import ...``. + +.. + +.. bpo: 17872 +.. date: 8721 +.. nonce: P_Eal- +.. section: Core and Builtins + +Fix a segfault in marshal.load() when input stream returns more bytes than +requested. + +.. + +.. bpo: 18338 +.. date: 8720 +.. nonce: dhKNX2 +.. section: Core and Builtins + +`python --version` now prints version string to stdout, and not to stderr. +Patch by Berker Peksag and Michael Dickens. + +.. + +.. bpo: 18426 +.. date: 8719 +.. nonce: NdnL3v +.. section: Core and Builtins + +Fix NULL pointer dereference in C extension import when PyModule_GetDef() +returns an error. + +.. + +.. bpo: 17206 +.. date: 8718 +.. nonce: eT7Ywa +.. section: Core and Builtins + +On Windows, increase the stack size from 2 MB to 4.2 MB to fix a stack +overflow in the marshal module (fix a crash in test_marshal). Patch written +by Jeremy Kloth. + +.. + +.. bpo: 3329 +.. date: 8717 +.. nonce: 9PzUjS +.. section: Core and Builtins + +Implement the PEP 445: Add new APIs to customize Python memory allocators. + +.. + +.. bpo: 18328 +.. date: 8716 +.. nonce: JHuF3K +.. section: Core and Builtins + +Reorder ops in PyThreadState_Delete*() functions. Now the tstate is first +removed from TLS and then deallocated. + +.. + +.. bpo: 13483 +.. date: 8715 +.. nonce: hc6skP +.. section: Core and Builtins + +Use VirtualAlloc in obmalloc on Windows. + +.. + +.. bpo: 18184 +.. date: 8714 +.. nonce: xLNVG3 +.. section: Core and Builtins + +PyUnicode_FromFormat() and PyUnicode_FromFormatV() now raise OverflowError +when an argument of %c format is out of range. + +.. + +.. bpo: 18111 +.. date: 8713 +.. nonce: 73CZdq +.. section: Core and Builtins + +The min() and max() functions now support a default argument to be returned +instead of raising a ValueError on an empty sequence. (Contributed by Julian +Berman.) + +.. + +.. bpo: 18137 +.. date: 8712 +.. nonce: a_Vsor +.. section: Core and Builtins + +Detect integer overflow on precision in float.__format__() and +complex.__format__(). + +.. + +.. bpo: 18183 +.. date: 8711 +.. nonce: v68GC2 +.. section: Core and Builtins + +Fix various unicode operations on strings with large unicode codepoints. + +.. + +.. bpo: 18180 +.. date: 8710 +.. nonce: GqAflm +.. section: Core and Builtins + +Fix ref leak in _PyImport_GetDynLoadWindows(). + +.. + +.. bpo: 18038 +.. date: 8709 +.. nonce: Q8prhd +.. section: Core and Builtins + +SyntaxError raised during compilation sources with illegal encoding now +always contains an encoding name. + +.. + +.. bpo: 17931 +.. date: 8708 +.. nonce: FCMg_f +.. section: Core and Builtins + +Resolve confusion on Windows between pids and process handles. + +.. + +.. bpo: 0 +.. date: 8707 +.. nonce: Kzwq2I +.. section: Core and Builtins + +Tweak the exception message when the magic number or size value in a +bytecode file is truncated. + +.. + +.. bpo: 17932 +.. date: 8706 +.. nonce: Y5Sfd4 +.. section: Core and Builtins + +Fix an integer overflow issue on Windows 64-bit in iterators: change the C +type of seqiterobject.it_index from long to Py_ssize_t. + +.. + +.. bpo: 18065 +.. date: 8705 +.. nonce: tMRL_r +.. section: Core and Builtins + +Don't set __path__ to the package name for frozen packages. + +.. + +.. bpo: 18088 +.. date: 8704 +.. nonce: 0wObC2 +.. section: Core and Builtins + +When reloading a module, unconditionally reset all relevant attributes on +the module (e.g. __name__, __loader__, __package__, __file__, __cached__). + +.. + +.. bpo: 17937 +.. date: 8703 +.. nonce: xCh9n7 +.. section: Core and Builtins + +Try harder to collect cyclic garbage at shutdown. + +.. + +.. bpo: 12370 +.. date: 8702 +.. nonce: 6tvbpM +.. section: Core and Builtins + +Prevent class bodies from interfering with the __class__ closure. + +.. + +.. bpo: 17644 +.. date: 8701 +.. nonce: OuMIFJ +.. section: Core and Builtins + +Fix a crash in str.format when curly braces are used in square brackets. + +.. + +.. bpo: 17237 +.. date: 8700 +.. nonce: cF-0Zw +.. section: Core and Builtins + +Fix crash in the ASCII decoder on m68k. + +.. + +.. bpo: 17927 +.. date: 8699 +.. nonce: w21Pnm +.. section: Core and Builtins + +Frame objects kept arguments alive if they had been copied into a cell, even +if the cell was cleared. + +.. + +.. bpo: 1545463 +.. date: 8698 +.. nonce: ChdQTJ +.. section: Core and Builtins + +At shutdown, defer finalization of codec modules so that stderr remains +usable. + +.. + +.. bpo: 7330 +.. date: 8697 +.. nonce: _GTI9L +.. section: Core and Builtins + +Implement width and precision (ex: "%5.3s") for the format string of +PyUnicode_FromFormat() function, original patch written by Ysj Ray. + +.. + +.. bpo: 1545463 +.. date: 8696 +.. nonce: 5O00l2 +.. section: Core and Builtins + +Global variables caught in reference cycles are now garbage-collected at +shutdown. + +.. + +.. bpo: 17094 +.. date: 8695 +.. nonce: Uc8zDO +.. section: Core and Builtins + +Clear stale thread states after fork(). Note that this is a potentially +disruptive change since it may release some system resources which would +otherwise remain perpetually alive (e.g. database connections kept in +thread-local storage). + +.. + +.. bpo: 17408 +.. date: 8694 +.. nonce: mfHmrB +.. section: Core and Builtins + +Avoid using an obsolete instance of the copyreg module when the interpreter +is shutdown and then started again. + +.. + +.. bpo: 5845 +.. date: 8693 +.. nonce: Ws1eJX +.. section: Core and Builtins + +Enable tab-completion in the interactive interpreter by default, thanks to a +new sys.__interactivehook__. + +.. + +.. bpo: 17115 +.. date: 8692 +.. nonce: UWAXqy +.. section: Core and Builtins + +Module initialization now includes setting __package__ and __loader__ +attributes to None. (See also: bpo-17116) + +.. + +.. bpo: 17853 +.. date: 8691 +.. nonce: 7_fwd1 +.. section: Core and Builtins + +Ensure locals of a class that shadow free variables always win over the +closures. + +.. + +.. bpo: 17863 +.. date: 8690 +.. nonce: 3PTJAD +.. section: Core and Builtins + +In the interactive console, don't loop forever if the encoding can't be +fetched from stdin. + +.. + +.. bpo: 17867 +.. date: 8689 +.. nonce: DrmXe2 +.. section: Core and Builtins + +Raise an ImportError if __import__ is not found in __builtins__. + +.. + +.. bpo: 18698 +.. date: 8688 +.. nonce: q9QV4u +.. section: Core and Builtins + +Ensure importlib.reload() returns the module out of sys.modules. + +.. + +.. bpo: 17857 +.. date: 8687 +.. nonce: 7cCKDk +.. section: Core and Builtins + +Prevent build failures with pre-3.5.0 versions of sqlite3, such as was +shipped with Centos 5 and Mac OS X 10.4. + +.. + +.. bpo: 17413 +.. date: 8686 +.. nonce: Nt_U0G +.. section: Core and Builtins + +sys.settrace callbacks were being passed a string instead of an exception +instance for the 'value' element of the arg tuple if the exception +originated from C code; now an exception instance is always provided. + +.. + +.. bpo: 17782 +.. date: 8685 +.. nonce: HwEf1N +.. section: Core and Builtins + +Fix undefined behaviour on platforms where ``struct timespec``'s "tv_nsec" +member is not a C long. + +.. + +.. bpo: 17722 +.. date: 8684 +.. nonce: SJ2O7r +.. section: Core and Builtins + +When looking up __round__, resolve descriptors. + +.. + +.. bpo: 16061 +.. date: 8683 +.. nonce: 4LQQlk +.. section: Core and Builtins + +Speed up str.replace() for replacing 1-character strings. + +.. + +.. bpo: 17715 +.. date: 8682 +.. nonce: gZ33Sm +.. section: Core and Builtins + +Fix segmentation fault from raising an exception in a __trunc__ method. + +.. + +.. bpo: 17643 +.. date: 8681 +.. nonce: O1HaFZ +.. section: Core and Builtins + +Add __callback__ attribute to weakref.ref. + +.. + +.. bpo: 16447 +.. date: 8680 +.. nonce: Nqypja +.. section: Core and Builtins + +Fixed potential segmentation fault when setting __name__ on a class. + +.. + +.. bpo: 17669 +.. date: 8679 +.. nonce: TkSpEF +.. section: Core and Builtins + +Fix crash involving finalization of generators using yield from. + +.. + +.. bpo: 14439 +.. date: 8678 +.. nonce: AK0wtz +.. section: Core and Builtins + +Python now prints the traceback on runpy failure at startup. + +.. + +.. bpo: 17469 +.. date: 8677 +.. nonce: Y2sqTK +.. section: Core and Builtins + +Fix _Py_GetAllocatedBlocks() and sys.getallocatedblocks() when running on +valgrind. + +.. + +.. bpo: 17619 +.. date: 8676 +.. nonce: nQqD2x +.. section: Core and Builtins + +Make input() check for Ctrl-C correctly on Windows. + +.. + +.. bpo: 17357 +.. date: 8675 +.. nonce: _xDD4K +.. section: Core and Builtins + +Add missing verbosity messages for -v/-vv that were lost during the +importlib transition. + +.. + +.. bpo: 17610 +.. date: 8674 +.. nonce: QpIzEB +.. section: Core and Builtins + +Don't rely on non-standard behavior of the C qsort() function. + +.. + +.. bpo: 17323 +.. date: 8673 +.. nonce: TozBFg +.. section: Core and Builtins + +The "[X refs, Y blocks]" printed by debug builds has been disabled by +default. It can be re-enabled with the `-X showrefcount` option. + +.. + +.. bpo: 17328 +.. date: 8672 +.. nonce: 5JxFnr +.. section: Core and Builtins + +Fix possible refleak in dict.setdefault. + +.. + +.. bpo: 17275 +.. date: 8671 +.. nonce: Aqerft +.. section: Core and Builtins + +Corrected class name in init error messages of the C version of +BufferedWriter and BufferedRandom. + +.. + +.. bpo: 7963 +.. date: 8670 +.. nonce: FWJtUT +.. section: Core and Builtins + +Fixed misleading error message that issued when object is called without +arguments. + +.. + +.. bpo: 8745 +.. date: 8669 +.. nonce: 7K11Uf +.. section: Core and Builtins + +Small speed up zipimport on Windows. Patch by Catalin Iacob. + +.. + +.. bpo: 5308 +.. date: 8668 +.. nonce: s5uAbP +.. section: Core and Builtins + +Raise ValueError when marshalling too large object (a sequence with size >= +2**31), instead of producing illegal marshal data. + +.. + +.. bpo: 12983 +.. date: 8667 +.. nonce: 9igtJf +.. section: Core and Builtins + +Bytes literals with invalid ``\x`` escape now raise a SyntaxError and a full +traceback including line number. + +.. + +.. bpo: 16967 +.. date: 8666 +.. nonce: UYSqkX +.. section: Core and Builtins + +In function definition, evaluate positional defaults before keyword-only +defaults. + +.. + +.. bpo: 17173 +.. date: 8665 +.. nonce: -KwwJ2 +.. section: Core and Builtins + +Remove uses of locale-dependent C functions (isalpha() etc.) in the +interpreter. + +.. + +.. bpo: 17137 +.. date: 8664 +.. nonce: NI_n7A +.. section: Core and Builtins + +When an Unicode string is resized, the internal wide character string (wstr) +format is now cleared. + +.. + +.. bpo: 17043 +.. date: 8663 +.. nonce: 4OVhGk +.. section: Core and Builtins + +The unicode-internal decoder no longer read past the end of input buffer. + +.. + +.. bpo: 17098 +.. date: 8662 +.. nonce: hppfYX +.. section: Core and Builtins + +All modules now have __loader__ set even if they pre-exist the bootstrapping +of importlib. + +.. + +.. bpo: 16979 +.. date: 8661 +.. nonce: jTR3Oe +.. section: Core and Builtins + +Fix error handling bugs in the unicode-escape-decode decoder. + +.. + +.. bpo: 16772 +.. date: 8660 +.. nonce: 8qUxMn +.. section: Core and Builtins + +The base argument to the int constructor no longer accepts floats, or other +non-integer objects with an __int__ method. Objects with an __index__ +method are now accepted. + +.. + +.. bpo: 10156 +.. date: 8659 +.. nonce: iEZGhY +.. section: Core and Builtins + +In the interpreter's initialization phase, unicode globals are now +initialized dynamically as needed. + +.. + +.. bpo: 16980 +.. date: 8658 +.. nonce: e2jDb2 +.. section: Core and Builtins + +Fix processing of escaped non-ascii bytes in the unicode-escape-decode +decoder. + +.. + +.. bpo: 16975 +.. date: 8657 +.. nonce: MfvORJ +.. section: Core and Builtins + +Fix error handling bug in the escape-decode bytes decoder. + +.. + +.. bpo: 14850 +.. date: 8656 +.. nonce: yScInY +.. section: Core and Builtins + +Now a charmap decoder treats U+FFFE as "undefined mapping" in any mapping, +not only in a string. + +.. + +.. bpo: 16613 +.. date: 8655 +.. nonce: 8V5m-H +.. section: Core and Builtins + +Add *m* argument to ``collections.Chainmap.new_child`` to allow the new +child map to be specified explicitly. + +.. + +.. bpo: 16730 +.. date: 8654 +.. nonce: X_pIAe +.. section: Core and Builtins + +importlib.machinery.FileFinder now no longers raises an exception when +trying to populate its cache and it finds out the directory is unreadable or +has turned into a file. Reported and diagnosed by David Pritchard. + +.. + +.. bpo: 16906 +.. date: 8653 +.. nonce: 3kn92w +.. section: Core and Builtins + +Fix a logic error that prevented most static strings from being cleared. + +.. + +.. bpo: 11461 +.. date: 8652 +.. nonce: xwn_Zw +.. section: Core and Builtins + +Fix the incremental UTF-16 decoder. Original patch by Amaury Forgeot d'Arc. + +.. + +.. bpo: 16856 +.. date: 8651 +.. nonce: _alafL +.. section: Core and Builtins + +Fix a segmentation fault from calling repr() on a dict with a key whose repr +raise an exception. + +.. + +.. bpo: 16367 +.. date: 8650 +.. nonce: lewlCg +.. section: Core and Builtins + +Fix FileIO.readall() on Windows for files larger than 2 GB. + +.. + +.. bpo: 16761 +.. date: 8649 +.. nonce: bZqaqq +.. section: Core and Builtins + +Calling int() with base argument only now raises TypeError. + +.. + +.. bpo: 16759 +.. date: 8648 +.. nonce: U0-CFS +.. section: Core and Builtins + +Support the full DWORD (unsigned long) range in Reg2Py when retrieving a +REG_DWORD value. This corrects functions like winreg.QueryValueEx that may +have been returning truncated values. + +.. + +.. bpo: 14420 +.. date: 8647 +.. nonce: P8fmk8 +.. section: Core and Builtins + +Support the full DWORD (unsigned long) range in Py2Reg when passed a +REG_DWORD value. Fixes OverflowError in winreg.SetValueEx. + +.. + +.. bpo: 11939 +.. date: 8646 +.. nonce: rjfRMW +.. section: Core and Builtins + +Set the st_dev attribute of stat_result to allow Windows to take advantage +of the os.path.samefile/sameopenfile/samestat implementations used by other +platforms. + +.. + +.. bpo: 16772 +.. date: 8645 +.. nonce: XI5NvS +.. section: Core and Builtins + +The int() constructor's second argument (base) no longer accepts non integer +values. Consistent with the behavior in Python 2. + +.. + +.. bpo: 14470 +.. date: 8644 +.. nonce: Qn1nFM +.. section: Core and Builtins + +Remove w9xpopen support per PEP 11. + +.. + +.. bpo: 9856 +.. date: 8643 +.. nonce: 5huiiZ +.. section: Core and Builtins + +Replace deprecation warning with raising TypeError in object.__format__. +Patch by Florent Xicluna. + +.. + +.. bpo: 16597 +.. date: 8642 +.. nonce: z8uMEN +.. section: Core and Builtins + +In buffered and text IO, call close() on the underlying stream if invoking +flush() fails. + +.. + +.. bpo: 16722 +.. date: 8641 +.. nonce: HXliz2 +.. section: Core and Builtins + +In the bytes() constructor, try to call __bytes__ on the argument before +__index__. + +.. + +.. bpo: 16421 +.. date: 8640 +.. nonce: Y9A84i +.. section: Core and Builtins + +loading multiple modules from one shared object is now handled correctly +(previously, the first module loaded from that file was silently returned). +Patch by Václav Šmilauer. + +.. + +.. bpo: 16602 +.. date: 8639 +.. nonce: FjnLTD +.. section: Core and Builtins + +When a weakref's target was part of a long deallocation chain, the object +could remain reachable through its weakref even though its refcount had +dropped to zero. + +.. + +.. bpo: 16495 +.. date: 8638 +.. nonce: HCGy9Q +.. section: Core and Builtins + +Remove extraneous NULL encoding check from bytes_decode(). + +.. + +.. bpo: 16619 +.. date: 8637 +.. nonce: STDaB4 +.. section: Core and Builtins + +Create NameConstant AST class to represent None, True, and False literals. +As a result, these constants are never loaded at runtime from builtins. + +.. + +.. bpo: 16455 +.. date: 8636 +.. nonce: chBHs2 +.. section: Core and Builtins + +On FreeBSD and Solaris, if the locale is C, the ASCII/surrogateescape codec +is now used (instead of the locale encoding) to decode the command line +arguments. This change fixes inconsistencies with os.fsencode() and +os.fsdecode(), because these operating systems announce an ASCII locale +encoding, but actually use the ISO-8859-1 encoding in practice. + +.. + +.. bpo: 16562 +.. date: 8635 +.. nonce: IR_Kj7 +.. section: Core and Builtins + +Optimize dict equality testing. Patch by Serhiy Storchaka. + +.. + +.. bpo: 16588 +.. date: 8634 +.. nonce: YKgxOa +.. section: Core and Builtins + +Silence unused-but-set warnings in Python/thread_pthread + +.. + +.. bpo: 16592 +.. date: 8633 +.. nonce: QVZPAM +.. section: Core and Builtins + +stringlib_bytes_join doesn't raise MemoryError on allocation failure. + +.. + +.. bpo: 16546 +.. date: 8632 +.. nonce: LXZuCC +.. section: Core and Builtins + +Fix: ast.YieldFrom argument is now mandatory. + +.. + +.. bpo: 16514 +.. date: 8631 +.. nonce: NoxJ7R +.. section: Core and Builtins + +Fix regression causing a traceback when sys.path[0] is None (actually, any +non-string or non-bytes type). + +.. + +.. bpo: 16306 +.. date: 8630 +.. nonce: H29SXn +.. section: Core and Builtins + +Fix multiple error messages when unknown command line parameters where +passed to the interpreter. Patch by Hieu Nguyen. + +.. + +.. bpo: 16215 +.. date: 8629 +.. nonce: hoWMgb +.. section: Core and Builtins + +Fix potential double memory free in str.replace(). Patch by Serhiy +Storchaka. + +.. + +.. bpo: 16290 +.. date: 8628 +.. nonce: aCFQF9 +.. section: Core and Builtins + +A float return value from the __complex__ special method is no longer +accepted in the complex() constructor. + +.. + +.. bpo: 16416 +.. date: 8627 +.. nonce: v9EtVT +.. section: Core and Builtins + +On Mac OS X, operating system data are now always encoded/decoded to/from +UTF-8/surrogateescape, instead of the locale encoding (which may be ASCII if +no locale environment variable is set), to avoid inconsistencies with +os.fsencode() and os.fsdecode() functions which are already using +UTF-8/surrogateescape. + +.. + +.. bpo: 16453 +.. date: 8626 +.. nonce: 0Zm9en +.. section: Core and Builtins + +Fix equality testing of dead weakref objects. + +.. + +.. bpo: 9535 +.. date: 8625 +.. nonce: hkixPD +.. section: Core and Builtins + +Fix pending signals that have been received but not yet handled by Python to +not persist after os.fork() in the child process. + +.. + +.. bpo: 14794 +.. date: 8624 +.. nonce: lc6bpg +.. section: Core and Builtins + +Fix slice.indices to return correct results for huge values, rather than +raising OverflowError. + +.. + +.. bpo: 15001 +.. date: 8623 +.. nonce: oD3gtX +.. section: Core and Builtins + +fix segfault on "del sys.modules['__main__']". Patch by Victor Stinner. + +.. + +.. bpo: 8271 +.. date: 8622 +.. nonce: 1qiQia +.. section: Core and Builtins + +the utf-8 decoder now outputs the correct number of U+FFFD characters when +used with the 'replace' error handler on invalid utf-8 sequences. Patch by +Serhiy Storchaka, tests by Ezio Melotti. + +.. + +.. bpo: 5765 +.. date: 8621 +.. nonce: YFFijP +.. section: Core and Builtins + +Apply a hard recursion limit in the compiler instead of blowing the stack +and segfaulting. Initial patch by Andrea Griffini. + +.. + +.. bpo: 16402 +.. date: 8620 +.. nonce: j73Ooz +.. section: Core and Builtins + +When slicing a range, fix shadowing of exceptions from __index__. + +.. + +.. bpo: 16336 +.. date: 8619 +.. nonce: JaupVb +.. section: Core and Builtins + +fix input checking in the surrogatepass error handler. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 8401 +.. date: 8618 +.. nonce: TslRZr +.. section: Core and Builtins + +assigning an int to a bytearray slice (e.g. b[3:4] = 5) now raises an error. + +.. + +.. bpo: 7317 +.. date: 8617 +.. nonce: 0ogGME +.. section: Core and Builtins + +Display full tracebacks when an error occurs asynchronously. Patch by Alon +Horev with update by Alexey Kachayev. + +.. + +.. bpo: 16309 +.. date: 8616 +.. nonce: i2KrDU +.. section: Core and Builtins + +Make PYTHONPATH="" behavior the same as if PYTHONPATH not set at all. + +.. + +.. bpo: 10189 +.. date: 8615 +.. nonce: 3tsml3 +.. section: Core and Builtins + +Improve the error reporting of SyntaxErrors related to global and nonlocal +statements. + +.. + +.. bpo: 0 +.. date: 8614 +.. nonce: iqyUxO +.. section: Core and Builtins + +Fix segfaults on setting __qualname__ on builtin types and attempting to +delete it on any type. + +.. + +.. bpo: 14625 +.. date: 8613 +.. nonce: FHSRMM +.. section: Core and Builtins + +Rewrite the UTF-32 decoder. It is now 3x to 4x faster. Patch written by +Serhiy Storchaka. + +.. + +.. bpo: 16345 +.. date: 8612 +.. nonce: azvPpP +.. section: Core and Builtins + +Fix an infinite loop when ``fromkeys`` on a dict subclass received a +nonempty dict from the constructor. + +.. + +.. bpo: 16271 +.. date: 8611 +.. nonce: ALsJdN +.. section: Core and Builtins + +Fix strange bugs that resulted from __qualname__ appearing in a class's +__dict__ and on type. + +.. + +.. bpo: 12805 +.. date: 8610 +.. nonce: 0u9UGE +.. section: Core and Builtins + +Make bytes.join and bytearray.join faster when the separator is empty. +Patch by Serhiy Storchaka. + +.. + +.. bpo: 6074 +.. date: 8609 +.. nonce: CXlveH +.. section: Core and Builtins + +Ensure cached bytecode files can always be updated by the user that created +them, even when the source file is read-only. + +.. + +.. bpo: 15958 +.. date: 8608 +.. nonce: 0MDv_n +.. section: Core and Builtins + +bytes.join and bytearray.join now accept arbitrary buffer objects. + +.. + +.. bpo: 14783 +.. date: 8607 +.. nonce: bv7z1_ +.. section: Core and Builtins + +Improve int() docstring and switch docstrings for str(), range(), and +slice() to use multi-line signatures. + +.. + +.. bpo: 16160 +.. date: 8606 +.. nonce: NKBYGr +.. section: Core and Builtins + +Subclass support now works for types.SimpleNamespace. + +.. + +.. bpo: 16148 +.. date: 8605 +.. nonce: tRekKP +.. section: Core and Builtins + +Implement PEP 424, adding operator.length_hint and PyObject_LengthHint. + +.. + +.. bpo: 0 +.. date: 8604 +.. nonce: J74Dx4 +.. section: Core and Builtins + +Upgrade Unicode data (UCD) to version 6.2. + +.. + +.. bpo: 15379 +.. date: 8603 +.. nonce: Ix2NTb +.. section: Core and Builtins + +Fix passing of non-BMP characters as integers for the charmap decoder +(already working as unicode strings). Patch by Serhiy Storchaka. + +.. + +.. bpo: 15144 +.. date: 8602 +.. nonce: ENBWTp +.. section: Core and Builtins + +Fix possible integer overflow when handling pointers as integer values, by +using `Py_uintptr_t` instead of `size_t`. Patch by Serhiy Storchaka. + +.. + +.. bpo: 15965 +.. date: 8601 +.. nonce: kbbwZh +.. section: Core and Builtins + +Explicitly cast `AT_FDCWD` as (int). Required on Solaris 10 (which defines +`AT_FDCWD` as ``0xffd19553``), harmless on other platforms. + +.. + +.. bpo: 15839 +.. date: 8600 +.. nonce: upi9Zr +.. section: Core and Builtins + +Convert SystemErrors in `super()` to RuntimeErrors. + +.. + +.. bpo: 15448 +.. date: 8599 +.. nonce: dj1nDm +.. section: Core and Builtins + +Buffered IO now frees the buffer when closed, instead of when deallocating. + +.. + +.. bpo: 15846 +.. date: 8598 +.. nonce: fkKoxl +.. section: Core and Builtins + +Fix SystemError which happened when using `ast.parse()` in an exception +handler on code with syntax errors. + +.. + +.. bpo: 15897 +.. date: 8597 +.. nonce: GQpoBE +.. section: Core and Builtins + +zipimport.c doesn't check return value of fseek(). Patch by Felipe Cruz. + +.. + +.. bpo: 15801 +.. date: 8596 +.. nonce: gpcQV3 +.. section: Core and Builtins + +Make sure mappings passed to '%' formatting are actually subscriptable. + +.. + +.. bpo: 15111 +.. date: 8595 +.. nonce: hM48LB +.. section: Core and Builtins + +__import__ should propagate ImportError when raised as a side-effect of a +module triggered from using fromlist. + +.. + +.. bpo: 15022 +.. date: 8594 +.. nonce: VevUbS +.. section: Core and Builtins + +Add pickle and comparison support to types.SimpleNamespace. + +.. + +.. bpo: 4331 +.. date: 8593 +.. nonce: Ua1fF0 +.. section: Library + +Added functools.partialmethod (Initial patch by Alon Horev) + +.. + +.. bpo: 13461 +.. date: 8592 +.. nonce: nLeS2R +.. section: Library + +Fix a crash in the TextIOWrapper.tell method on 64-bit platforms. Patch by +Yogesh Chaudhari. + +.. + +.. bpo: 18681 +.. date: 8591 +.. nonce: 8Oug5y +.. section: Library + +Fix a NameError in importlib.reload() (noticed by Weizhao Li). + +.. + +.. bpo: 14323 +.. date: 8590 +.. nonce: Sp7tzh +.. section: Library + +Expanded the number of digits in the coefficients for the RGB -- YIQ +conversions so that they match the FCC NTSC versions. + +.. + +.. bpo: 17998 +.. date: 8589 +.. nonce: hIbru5 +.. section: Library + +Fix an internal error in regular expression engine. + +.. + +.. bpo: 17557 +.. date: 8588 +.. nonce: s6BEMI +.. section: Library + +Fix os.getgroups() to work with the modified behavior of getgroups(2) on OS +X 10.8. Original patch by Mateusz Lenik. + +.. + +.. bpo: 18608 +.. date: 8587 +.. nonce: iLz2V4 +.. section: Library + +Avoid keeping a strong reference to the locale module inside the _io module. + +.. + +.. bpo: 18619 +.. date: 8586 +.. nonce: sj_OcY +.. section: Library + +Fix atexit leaking callbacks registered from sub-interpreters, and make it +GC-aware. + +.. + +.. bpo: 15699 +.. date: 8585 +.. nonce: tRg3Ny +.. section: Library + +The readline module now uses PEP 3121-style module initialization, so as to +reclaim allocated resources (Python callbacks) at shutdown. Original patch +by Robin Schreiber. + +.. + +.. bpo: 17616 +.. date: 8584 +.. nonce: BZCSg_ +.. section: Library + +wave.open now supports the context management protocol. + +.. + +.. bpo: 18599 +.. date: 8583 +.. nonce: OLGDK_ +.. section: Library + +Fix name attribute of _sha1.sha1() object. It now returns 'SHA1' instead of +'SHA'. + +.. + +.. bpo: 13266 +.. date: 8582 +.. nonce: vWxl34 +.. section: Library + +Added inspect.unwrap to easily unravel __wrapped__ chains (initial patch by +Daniel Urban and Aaron Iles) + +.. + +.. bpo: 18561 +.. date: 8581 +.. nonce: vgaf-k +.. section: Library + +Skip name in ctypes' _build_callargs() if name is NULL. + +.. + +.. bpo: 18559 +.. date: 8580 +.. nonce: svR01x +.. section: Library + +Fix NULL pointer dereference error in _pickle module + +.. + +.. bpo: 18556 +.. date: 8579 +.. nonce: -3Wtbg +.. section: Library + +Check the return type of PyUnicode_AsWideChar() in ctype's U_set(). + +.. + +.. bpo: 17818 +.. date: 8578 +.. nonce: zyqY5Z +.. section: Library + +aifc.getparams now returns a namedtuple. + +.. + +.. bpo: 18549 +.. date: 8577 +.. nonce: DfZaOD +.. section: Library + +Eliminate dead code in socket_ntohl() + +.. + +.. bpo: 18530 +.. date: 8576 +.. nonce: roUGYs +.. section: Library + +Remove additional stat call from posixpath.ismount. Patch by Alex Gaynor. + +.. + +.. bpo: 18514 +.. date: 8575 +.. nonce: byuxVK +.. section: Library + +Fix unreachable Py_DECREF() call in PyCData_FromBaseObj() + +.. + +.. bpo: 9177 +.. date: 8574 +.. nonce: 0NCpHI +.. section: Library + +Calling read() or write() now raises ValueError, not AttributeError, on a +closed SSL socket. Patch by Senko Rasic. + +.. + +.. bpo: 18513 +.. date: 8573 +.. nonce: 12JUZi +.. section: Library + +Fix behaviour of cmath.rect w.r.t. signed zeros on OS X 10.8 + gcc. + +.. + +.. bpo: 18479 +.. date: 8572 +.. nonce: CLFAeo +.. section: Library + +Changed venv Activate.ps1 to make deactivate a function, and removed +Deactivate.ps1. + +.. + +.. bpo: 18480 +.. date: 8571 +.. nonce: JoDjBC +.. section: Library + +Add missing call to PyType_Ready to the _elementtree extension. + +.. + +.. bpo: 17778 +.. date: 8570 +.. nonce: odXAnT +.. section: Library + +Fix test discovery for test_multiprocessing. (Patch by Zachary Ware.) + +.. + +.. bpo: 18393 +.. date: 8569 +.. nonce: J5Ss7D +.. section: Library + +The private module _gestalt and private functions platform._mac_ver_gestalt, +platform._mac_ver_lookup and platform._bcd2str have been removed. This does +not affect the public interface of the platform module. + +.. + +.. bpo: 17482 +.. date: 8568 +.. nonce: HSxNCy +.. section: Library + +functools.update_wrapper (and functools.wraps) now set the __wrapped__ +attribute correctly even if the underlying function has a __wrapped__ +attribute set. + +.. + +.. bpo: 18431 +.. date: 8567 +.. nonce: 4TWlLe +.. section: Library + +The new email header parser now decodes RFC2047 encoded words in structured +headers. + +.. + +.. bpo: 18432 +.. date: 8566 +.. nonce: 3KWObr +.. section: Library + +The sched module's queue method was incorrectly returning an iterator +instead of a list. + +.. + +.. bpo: 18044 +.. date: 8565 +.. nonce: -TYxNg +.. section: Library + +The new email header parser was mis-parsing encoded words where an encoded +character immediately followed the '?' that follows the CTE character, +resulting in a decoding failure. They are now decoded correctly. + +.. + +.. bpo: 18101 +.. date: 8564 +.. nonce: Y9oAK1 +.. section: Library + +Tcl.split() now process strings nested in a tuple as it do with byte +strings. + +.. + +.. bpo: 18116 +.. date: 8563 +.. nonce: ZOamPj +.. section: Library + +getpass was always getting an error when testing /dev/tty, and thus was +always falling back to stdin, and would then raise an exception if stdin +could not be used (such as /dev/null). It also leaked an open file. All of +these issues are now fixed. + +.. + +.. bpo: 17198 +.. date: 8562 +.. nonce: MZjVaU +.. section: Library + +Fix a NameError in the dbm module. Patch by Valentina Mukhamedzhanova. + +.. + +.. bpo: 18013 +.. date: 8561 +.. nonce: wzBMJh +.. section: Library + +Fix cgi.FieldStorage to parse the W3C sample form. + +.. + +.. bpo: 18020 +.. date: 8560 +.. nonce: eN5fLA +.. section: Library + +improve html.escape speed by an order of magnitude. Patch by Matt Bryant. + +.. + +.. bpo: 18347 +.. date: 8559 +.. nonce: r98Yh- +.. section: Library + +ElementTree's html serializer now preserves the case of closing tags. + +.. + +.. bpo: 17261 +.. date: 8558 +.. nonce: FBzLVh +.. section: Library + +Ensure multiprocessing's proxies use proper address. + +.. + +.. bpo: 18343 +.. date: 8557 +.. nonce: hHmlM5 +.. section: Library + +faulthandler.register() now keeps the previous signal handler when the +function is called twice, so faulthandler.unregister() restores correctly +the original signal handler. + +.. + +.. bpo: 17097 +.. date: 8556 +.. nonce: npje1S +.. section: Library + +Make multiprocessing ignore EINTR. + +.. + +.. bpo: 18339 +.. date: 8555 +.. nonce: tawrrh +.. section: Library + +Negative ints keys in unpickler.memo dict no longer cause a segfault inside +the _pickle C extension. + +.. + +.. bpo: 18240 +.. date: 8554 +.. nonce: Um--C2 +.. section: Library + +The HMAC module is no longer restricted to bytes and accepts any bytes-like +object, e.g. memoryview. Original patch by Jonas Borgström. + +.. + +.. bpo: 18224 +.. date: 8553 +.. nonce: QcraR9 +.. section: Library + +Removed pydoc script from created venv, as it causes problems on Windows and +adds no value over and above python -m pydoc ... + +.. + +.. bpo: 18155 +.. date: 8552 +.. nonce: RNn8WU +.. section: Library + +The csv module now correctly handles csv files that use a delimter character +that has a special meaning in regexes, instead of throwing an exception. + +.. + +.. bpo: 14360 +.. date: 8551 +.. nonce: bn3mJY +.. section: Library + +encode_quopri can now be successfully used as an encoder when constructing a +MIMEApplication object. + +.. + +.. bpo: 11390 +.. date: 8550 +.. nonce: KD6eql +.. section: Library + +Add -o and -f command line options to the doctest CLI to specify doctest +options (and convert it to using argparse). + +.. + +.. bpo: 18135 +.. date: 8549 +.. nonce: NUPrSU +.. section: Library + +ssl.SSLSocket.write() now raises an OverflowError if the input string in +longer than 2 gigabytes, and ssl.SSLContext.load_cert_chain() raises a +ValueError if the password is longer than 2 gigabytes. The ssl module does +not support partial write. + +.. + +.. bpo: 11016 +.. date: 8548 +.. nonce: w7C0Pf +.. section: Library + +Add C implementation of the stat module as _stat. + +.. + +.. bpo: 18248 +.. date: 8547 +.. nonce: SFH5BJ +.. section: Library + +Fix libffi build on AIX. + +.. + +.. bpo: 18259 +.. date: 8546 +.. nonce: _GlBhr +.. section: Library + +Declare sethostname in socketmodule.c for AIX + +.. + +.. bpo: 18147 +.. date: 8545 +.. nonce: SwrMZ0 +.. section: Library + +Add diagnostic functions to ssl.SSLContext(). get_ca_list() lists all loaded +CA certificates and cert_store_stats() returns amount of loaded X.509 certs, +X.509 CA certs and CRLs. + +.. + +.. bpo: 18167 +.. date: 8544 +.. nonce: ZeSV0k +.. section: Library + +cgi.FieldStorage no longer fails to handle multipart/form-data when ``\r\n`` +appears at end of 65535 bytes without other newlines. + +.. + +.. bpo: 18076 +.. date: 8543 +.. nonce: 4lL63W +.. section: Library + +Introduce importlib.util.decode_source(). + +.. + +.. bpo: 18357 +.. date: 8542 +.. nonce: jRiyQA +.. section: Library + +add tests for dictview set difference. Patch by Fraser Tweedale. + +.. + +.. bpo: 0 +.. date: 8541 +.. nonce: 8RBFdG +.. section: Library + +importlib.abc.SourceLoader.get_source() no longer changes SyntaxError or +UnicodeDecodeError into ImportError. + +.. + +.. bpo: 18058 +.. date: 8540 +.. nonce: rfXwQL +.. section: Library + +Make the namespace package loader meet the importlib.abc.InspectLoader ABC, +allowing for namespace packages to work with runpy. (See also: bpo-18057) + +.. + +.. bpo: 17177 +.. date: 8539 +.. nonce: S7sdI_ +.. section: Library + +The imp module is pending deprecation. + +.. + +.. bpo: 0 +.. date: 8538 +.. nonce: Y71ClT +.. section: Library + +subprocess: Prevent a possible double close of parent pipe fds when the +subprocess exec runs into an error. Prevent a regular multi-close of the +/dev/null fd when any of stdin, stdout and stderr was set to DEVNULL. + +.. + +.. bpo: 18194 +.. date: 8537 +.. nonce: -jAlVj +.. section: Library + +Introduce importlib.util.cache_from_source() and source_from_cache() while +documenting the equivalent functions in imp as deprecated. + +.. + +.. bpo: 17907 +.. date: 8536 +.. nonce: yz9wrd +.. section: Library + +Document imp.new_module() as deprecated in favour of types.ModuleType. + +.. + +.. bpo: 18192 +.. date: 8535 +.. nonce: R4NYan +.. section: Library + +Introduce importlib.util.MAGIC_NUMBER and document as deprecated +imp.get_magic(). + +.. + +.. bpo: 18149 +.. date: 8534 +.. nonce: pYRXFc +.. section: Library + +Add filecmp.clear_cache() to manually clear the filecmp cache. Patch by Mark +Levitt + +.. + +.. bpo: 18193 +.. date: 8533 +.. nonce: Hi1c_l +.. section: Library + +Add importlib.reload(). + +.. + +.. bpo: 18157 +.. date: 8532 +.. nonce: 3qhsTW +.. section: Library + +Stop using imp.load_module() in pydoc. + +.. + +.. bpo: 16102 +.. date: 8531 +.. nonce: Ue82lF +.. section: Library + +Make uuid._netbios_getnode() work again on Python 3. + +.. + +.. bpo: 17134 +.. date: 8530 +.. nonce: 2FXUYZ +.. section: Library + +Add ssl.enum_cert_store() as interface to Windows' cert store. + +.. + +.. bpo: 18143 +.. date: 8529 +.. nonce: qot9pC +.. section: Library + +Implement ssl.get_default_verify_paths() in order to debug the default +locations for cafile and capath. + +.. + +.. bpo: 17314 +.. date: 8528 +.. nonce: EgLvA7 +.. section: Library + +Move multiprocessing.forking over to importlib. + +.. + +.. bpo: 11959 +.. date: 8527 +.. nonce: KvHon- +.. section: Library + +SMTPServer and SMTPChannel now take an optional map, use of which avoids +affecting global state. + +.. + +.. bpo: 18109 +.. date: 8526 +.. nonce: ix7u1y +.. section: Library + +os.uname() now decodes fields from the locale encoding, and +socket.gethostname() now decodes the hostname from the locale encoding, +instead of using the UTF-8 encoding in strict mode. + +.. + +.. bpo: 18089 +.. date: 8525 +.. nonce: f8TdL7 +.. section: Library + +Implement importlib.abc.InspectLoader.load_module. + +.. + +.. bpo: 18088 +.. date: 8524 +.. nonce: G6H6Z2 +.. section: Library + +Introduce importlib.abc.Loader.init_module_attrs for setting module +attributes. Leads to the pending deprecation of +importlib.util.module_for_loader. + +.. + +.. bpo: 17403 +.. date: 8523 +.. nonce: gtIhUd +.. section: Library + +urllib.parse.robotparser normalizes the urls before adding to ruleline. This +helps in handling certain types invalid urls in a conservative manner. Patch +contributed by Mher Movsisyan. + +.. + +.. bpo: 18070 +.. date: 8522 +.. nonce: ocj8nr +.. section: Library + +Have importlib.util.module_for_loader() set attributes unconditionally in +order to properly support reloading. + +.. + +.. bpo: 0 +.. date: 8521 +.. nonce: J5E4J_ +.. section: Library + +Added importlib.util.module_to_load to return a context manager to provide +the proper module object to load. + +.. + +.. bpo: 18025 +.. date: 8520 +.. nonce: i8mW0x +.. section: Library + +Fixed a segfault in io.BufferedIOBase.readinto() when raw stream's read() +returns more bytes than requested. + +.. + +.. bpo: 18011 +.. date: 8519 +.. nonce: lvv4RQ +.. section: Library + +As was originally intended, base64.b32decode() now raises a binascii.Error +if there are non-b32-alphabet characters present in the input string, +instead of a TypeError. + +.. + +.. bpo: 18072 +.. date: 8518 +.. nonce: id8KzR +.. section: Library + +Implement importlib.abc.InspectLoader.get_code() and +importlib.abc.ExecutionLoader.get_code(). + +.. + +.. bpo: 8240 +.. date: 8517 +.. nonce: XMOgJe +.. section: Library + +Set the SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER flag on SSL sockets. + +.. + +.. bpo: 17269 +.. date: 8516 +.. nonce: 7LxyKz +.. section: Library + +Workaround for socket.getaddrinfo crash on MacOS X with port None or "0" and +flags AI_NUMERICSERV. + +.. + +.. bpo: 16986 +.. date: 8515 +.. nonce: htN8mZ +.. section: Library + +ElementTree now correctly works with string input when the internal XML +encoding is not UTF-8 or US-ASCII. + +.. + +.. bpo: 17996 +.. date: 8514 +.. nonce: JRofiI +.. section: Library + +socket module now exposes AF_LINK constant on BSD and OSX. + +.. + +.. bpo: 17900 +.. date: 8513 +.. nonce: KONBQp +.. section: Library + +Allowed pickling of recursive OrderedDicts. Decreased pickled size and +pickling time. + +.. + +.. bpo: 17914 +.. date: 8512 +.. nonce: a7CBRm +.. section: Library + +Add os.cpu_count(). Patch by Yogesh Chaudhari, based on an initial patch by +Trent Nelson. + +.. + +.. bpo: 17812 +.. date: 8511 +.. nonce: WW32FE +.. section: Library + +Fixed quadratic complexity of base64.b32encode(). Optimize +base64.b32encode() and base64.b32decode() (speed up to 3x). + +.. + +.. bpo: 17980 +.. date: 8510 +.. nonce: oLLRCS +.. section: Library + +Fix possible abuse of ssl.match_hostname() for denial of service using +certificates with many wildcards (CVE-2013-2099). + +.. + +.. bpo: 15758 +.. date: 8509 +.. nonce: jcf1UW +.. section: Library + +Fix FileIO.readall() so it no longer has O(n**2) complexity. + +.. + +.. bpo: 14596 +.. date: 8508 +.. nonce: _L9ARc +.. section: Library + +The struct.Struct() objects now use a more compact implementation. + +.. + +.. bpo: 17981 +.. date: 8507 +.. nonce: 6UZcQZ +.. section: Library + +logging's SysLogHandler now closes the socket when it catches socket +OSErrors. + +.. + +.. bpo: 17964 +.. date: 8506 +.. nonce: fypN2L +.. section: Library + +Fix os.sysconf(): the return type of the C sysconf() function is long, not +int. + +.. + +.. bpo: 0 +.. date: 8505 +.. nonce: 9OGCJH +.. section: Library + +Fix typos in the multiprocessing module. + +.. + +.. bpo: 17754 +.. date: 8504 +.. nonce: xa6Bc3 +.. section: Library + +Make ctypes.util.find_library() independent of the locale. + +.. + +.. bpo: 17968 +.. date: 8503 +.. nonce: nY_hjb +.. section: Library + +Fix memory leak in os.listxattr(). + +.. + +.. bpo: 17606 +.. date: 8502 +.. nonce: KiLlUm +.. section: Library + +Fixed support of encoded byte strings in the XMLGenerator characters() and +ignorableWhitespace() methods. Original patch by Sebastian Ortiz Vasquez. + +.. + +.. bpo: 17732 +.. date: 8501 +.. nonce: nVRMov +.. section: Library + +Ignore distutils.cfg options pertaining to install paths if a virtual +environment is active. + +.. + +.. bpo: 17915 +.. date: 8500 +.. nonce: ugMGeG +.. section: Library + +Fix interoperability of xml.sax with file objects returned by codecs.open(). + +.. + +.. bpo: 16601 +.. date: 8499 +.. nonce: nolAu_ +.. section: Library + +Restarting iteration over tarfile really restarts rather than continuing +from where it left off. Patch by Michael Birtwell. + +.. + +.. bpo: 17289 +.. date: 8498 +.. nonce: NPHOks +.. section: Library + +The readline module now plays nicer with external modules or applications +changing the rl_completer_word_break_characters global variable. Initial +patch by Bradley Froehle. + +.. + +.. bpo: 12181 +.. date: 8497 +.. nonce: Dq2moC +.. section: Library + +select module: Fix struct kevent definition on OpenBSD 64-bit platforms. +Patch by Federico Schwindt. + +.. + +.. bpo: 11816 +.. date: 8496 +.. nonce: sv6zV1 +.. section: Library + +multiple improvements to the dis module: get_instructions generator, ability +to redirect output to a file, Bytecode and Instruction abstractions. Patch +by Nick Coghlan, Ryan Kelly and Thomas Kluyver. + +.. + +.. bpo: 13831 +.. date: 8495 +.. nonce: 2ERopR +.. section: Library + +Embed stringification of remote traceback in local traceback raised when +pool task raises an exception. + +.. + +.. bpo: 15528 +.. date: 8494 +.. nonce: EwXcQD +.. section: Library + +Add weakref.finalize to support finalization using weakref callbacks. + +.. + +.. bpo: 14173 +.. date: 8493 +.. nonce: mZM9Pr +.. section: Library + +Avoid crashing when reading a signal handler during interpreter shutdown. + +.. + +.. bpo: 15902 +.. date: 8492 +.. nonce: 3XIl24 +.. section: Library + +Fix imp.load_module() accepting None as a file when loading an extension +module. + +.. + +.. bpo: 13721 +.. date: 8491 +.. nonce: _1u_jf +.. section: Library + +SSLSocket.getpeercert() and SSLSocket.do_handshake() now raise an OSError +with ENOTCONN, instead of an AttributeError, when the SSLSocket is not +connected. + +.. + +.. bpo: 14679 +.. date: 8490 +.. nonce: XSBn-L +.. section: Library + +add an __all__ (that contains only HTMLParser) to html.parser. + +.. + +.. bpo: 17802 +.. date: 8489 +.. nonce: ztoqWb +.. section: Library + +Fix an UnboundLocalError in html.parser. Initial tests by Thomas Barlow. + +.. + +.. bpo: 17358 +.. date: 8488 +.. nonce: kyf-Ix +.. section: Library + +Modules loaded by imp.load_source() and load_compiled() (and by extention +load_module()) now have a better chance of working when reloaded. + +.. + +.. bpo: 17804 +.. date: 8487 +.. nonce: 3ehiC3 +.. section: Library + +New function ``struct.iter_unpack`` allows for streaming struct unpacking. + +.. + +.. bpo: 17830 +.. date: 8486 +.. nonce: guxczO +.. section: Library + +When keyword.py is used to update a keyword file, it now preserves the line +endings of the original file. + +.. + +.. bpo: 17272 +.. date: 8485 +.. nonce: UdNBlq +.. section: Library + +Making the urllib.request's Request.full_url a descriptor. Fixes bugs with +assignment to full_url. Patch by Demian Brecht. + +.. + +.. bpo: 17353 +.. date: 8484 +.. nonce: 6Wiqfl +.. section: Library + +Plistlib emitted empty data tags with deeply nested datastructures + +.. + +.. bpo: 11714 +.. date: 8483 +.. nonce: EZxzYl +.. section: Library + +Use 'with' statements to assure a Semaphore releases a condition variable. +Original patch by Thomas Rachel. + +.. + +.. bpo: 16624 +.. date: 8482 +.. nonce: fEhnPS +.. section: Library + +`subprocess.check_output` now accepts an `input` argument, allowing the +subprocess's stdin to be provided as a (byte) string. Patch by Zack +Weinberg. + +.. + +.. bpo: 17795 +.. date: 8481 +.. nonce: IgVwMv +.. section: Library + +Reverted backwards-incompatible change in SysLogHandler with Unix domain +sockets. + +.. + +.. bpo: 16694 +.. date: 8480 +.. nonce: rHrtHr +.. section: Library + +Add a pure Python implementation of the operator module. Patch by Zachary +Ware. + +.. + +.. bpo: 11182 +.. date: 8479 +.. nonce: FEuMiq +.. section: Library + +remove the unused and undocumented pydoc.Scanner class. Patch by Martin +Morrison. + +.. + +.. bpo: 17741 +.. date: 8478 +.. nonce: nAezWJ +.. section: Library + +Add ElementTree.XMLPullParser, an event-driven parser for non-blocking +applications. + +.. + +.. bpo: 17555 +.. date: 8477 +.. nonce: 9klJCB +.. section: Library + +Fix ForkAwareThreadLock so that size of after fork registry does not grow +exponentially with generation of process. + +.. + +.. bpo: 17707 +.. date: 8476 +.. nonce: jX-JqL +.. section: Library + +fix regression in multiprocessing.Queue's get() method where it did not +block for short timeouts. + +.. + +.. bpo: 17720 +.. date: 8475 +.. nonce: mMh9Hz +.. section: Library + +Fix the Python implementation of pickle.Unpickler to correctly process the +APPENDS opcode when it is used on non-list objects. + +.. + +.. bpo: 17012 +.. date: 8474 +.. nonce: EW-5OU +.. section: Library + +shutil.which() no longer falls back to the PATH environment variable if an +empty path argument is specified. Patch by Serhiy Storchaka. + +.. + +.. bpo: 17710 +.. date: 8473 +.. nonce: OCzZ2n +.. section: Library + +Fix pickle raising a SystemError on bogus input. + +.. + +.. bpo: 17341 +.. date: 8472 +.. nonce: DI-1AO +.. section: Library + +Include the invalid name in the error messages from re about invalid group +names. + +.. + +.. bpo: 17702 +.. date: 8471 +.. nonce: ySqg1b +.. section: Library + +os.environ now raises KeyError with the original environment variable name +(str on UNIX), instead of using the encoded name (bytes on UNIX). + +.. + +.. bpo: 16163 +.. date: 8470 +.. nonce: 3aay4D +.. section: Library + +Make the importlib based version of pkgutil.iter_importers work for +submodules. Initial patch by Berker Peksag. + +.. + +.. bpo: 16804 +.. date: 8469 +.. nonce: vK8Q1B +.. section: Library + +Fix a bug in the 'site' module that caused running 'python -S -m site' to +incorrectly throw an exception. + +.. + +.. bpo: 15480 +.. date: 8468 +.. nonce: RMEmOd +.. section: Library + +Remove the deprecated and unused TYPE_INT64 code from marshal. Initial patch +by Daniel Riti. + +.. + +.. bpo: 2118 +.. date: 8467 +.. nonce: jsDIem +.. section: Library + +SMTPException is now a subclass of OSError. + +.. + +.. bpo: 17016 +.. date: 8466 +.. nonce: lQnMI8 +.. section: Library + +Get rid of possible pointer wraparounds and integer overflows in the re +module. Patch by Nickolai Zeldovich. + +.. + +.. bpo: 16658 +.. date: 8465 +.. nonce: WgAKmI +.. section: Library + +add missing return to HTTPConnection.send(). Patch by Jeff Knupp. + +.. + +.. bpo: 9556 +.. date: 8464 +.. nonce: Dk30j0 +.. section: Library + +the logging package now allows specifying a time-of-day for a +TimedRotatingFileHandler to rotate. + +.. + +.. bpo: 14971 +.. date: 8463 +.. nonce: cc8xNA +.. section: Library + +unittest test discovery no longer gets confused when a function has a +different __name__ than its name in the TestCase class dictionary. + +.. + +.. bpo: 17487 +.. date: 8462 +.. nonce: pP4v4C +.. section: Library + +The wave getparams method now returns a namedtuple rather than a plain +tuple. + +.. + +.. bpo: 17675 +.. date: 8461 +.. nonce: -A8oHC +.. section: Library + +socket repr() provides local and remote addresses (if any). Patch by +Giampaolo Rodola' + +.. + +.. bpo: 17093 +.. date: 8460 +.. nonce: M-IcJ- +.. section: Library + +Make the ABCs in importlib.abc provide default values or raise reasonable +exceptions for their methods to make them more amenable to super() calls. + +.. + +.. bpo: 17566 +.. date: 8459 +.. nonce: dqA1rg +.. section: Library + +Make importlib.abc.Loader.module_repr() optional instead of an +abstractmethod; now it raises NotImplementedError so as to be ignored by +default. + +.. + +.. bpo: 17678 +.. date: 8458 +.. nonce: PZfAGl +.. section: Library + +Remove the use of deprecated method in http/cookiejar.py by changing the +call to get_origin_req_host() to origin_req_host. + +.. + +.. bpo: 17666 +.. date: 8457 +.. nonce: L8Gq8u +.. section: Library + +Fix reading gzip files with an extra field. + +.. + +.. bpo: 16475 +.. date: 8456 +.. nonce: aNp-kL +.. section: Library + +Support object instancing, recursion and interned strings in marshal + +.. + +.. bpo: 17502 +.. date: 8455 +.. nonce: yOccrz +.. section: Library + +Process DEFAULT values in mock side_effect that returns iterator. + +.. + +.. bpo: 16795 +.. date: 8454 +.. nonce: zi6RPl +.. section: Library + +On the ast.arguments object, unify vararg with varargannotation and kwarg +and kwargannotation. Change the column offset of ast.Attribute to be at the +attribute name. + +.. + +.. bpo: 17434 +.. date: 8453 +.. nonce: bctYsc +.. section: Library + +Properly raise a SyntaxError when a string occurs between future imports. + +.. + +.. bpo: 17117 +.. date: 8452 +.. nonce: 2wgWhb +.. section: Library + +Import and @importlib.util.set_loader now set __loader__ when it has a value +of None or the attribute doesn't exist. + +.. + +.. bpo: 17032 +.. date: 8451 +.. nonce: FKHNgX +.. section: Library + +The "global" in the "NameError: global name 'x' is not defined" error +message has been removed. Patch by Ram Rachum. + +.. + +.. bpo: 18080 +.. date: 8450 +.. nonce: 98cUEc +.. section: Library + +When building a C extension module on OS X, if the compiler is overriden +with the CC environment variable, use the new compiler as the default for +linking if LDSHARED is not also overriden. This restores Distutils behavior +introduced in 3.2.3 and inadvertently dropped in 3.3.0. + +.. + +.. bpo: 18113 +.. date: 8449 +.. nonce: 7w81KJ +.. section: Library + +Fixed a refcount leak in the curses.panel module's set_userptr() method. +Reported by Atsuo Ishimoto. + +.. + +.. bpo: 0 +.. date: 8448 +.. nonce: t5hfCI +.. section: Library + +Implement PEP 443 "Single-dispatch generic functions". + +.. + +.. bpo: 0 +.. date: 8447 +.. nonce: U2ylaI +.. section: Library + +Implement PEP 435 "Adding an Enum type to the Python standard library". + +.. + +.. bpo: 15596 +.. date: 8446 +.. nonce: 0NKCQv +.. section: Library + +Faster pickling of unicode strings. + +.. + +.. bpo: 17572 +.. date: 8445 +.. nonce: 98CntI +.. section: Library + +Avoid chained exceptions when passing bad directives to time.strptime(). +Initial patch by Claudiu Popa. + +.. + +.. bpo: 17435 +.. date: 8444 +.. nonce: 167Uzu +.. section: Library + +threading.Timer's __init__ method no longer uses mutable default values for +the args and kwargs parameters. + +.. + +.. bpo: 17526 +.. date: 8443 +.. nonce: wiYvlk +.. section: Library + +fix an IndexError raised while passing code without filename to +inspect.findsource(). Initial patch by Tyler Doyle. + +.. + +.. bpo: 17540 +.. date: 8442 +.. nonce: 0FlRFl +.. section: Library + +Added style parameter to logging formatter configuration by dict. + +.. + +.. bpo: 16692 +.. date: 8441 +.. nonce: 1HPMSd +.. section: Library + +The ssl module now supports TLS 1.1 and TLS 1.2. Initial patch by Michele +Orrù. + +.. + +.. bpo: 17025 +.. date: 8440 +.. nonce: 2cO-DW +.. section: Library + +multiprocessing: Reduce Queue and SimpleQueue contention. + +.. + +.. bpo: 17536 +.. date: 8439 +.. nonce: PLE2RC +.. section: Library + +Add to webbrowser's browser list: www-browser, x-www-browser, iceweasel, +iceape. + +.. + +.. bpo: 17150 +.. date: 8438 +.. nonce: cs1ti6 +.. section: Library + +pprint now uses line continuations to wrap long string literals. + +.. + +.. bpo: 17488 +.. date: 8437 +.. nonce: ODub-T +.. section: Library + +Change the subprocess.Popen bufsize parameter default value from unbuffered +(0) to buffering (-1) to match the behavior existing code expects and match +the behavior of the subprocess module in Python 2 to avoid introducing hard +to track down bugs. + +.. + +.. bpo: 17521 +.. date: 8436 +.. nonce: rDGKe7 +.. section: Library + +Corrected non-enabling of logger following two calls to fileConfig(). + +.. + +.. bpo: 17508 +.. date: 8435 +.. nonce: B0KwKx +.. section: Library + +Corrected logging MemoryHandler configuration in dictConfig() where the +target handler wasn't configured first. + +.. + +.. bpo: 17209 +.. date: 8434 +.. nonce: w9J1io +.. section: Library + +curses.window.get_wch() now correctly handles KeyboardInterrupt (CTRL+c). + +.. + +.. bpo: 5713 +.. date: 8433 +.. nonce: SuN3vQ +.. section: Library + +smtplib now handles 421 (closing connection) error codes when sending mail +by closing the socket and reporting the 421 error code via the exception +appropriate to the command that received the error response. + +.. + +.. bpo: 16997 +.. date: 8432 +.. nonce: vtxNkx +.. section: Library + +unittest.TestCase now provides a subTest() context manager to procedurally +generate, in an easy way, small test instances. + +.. + +.. bpo: 17485 +.. date: 8431 +.. nonce: coQ2Mv +.. section: Library + +Also delete the Request Content-Length header if the data attribute is +deleted. (Follow on to issue Issue #16464). + +.. + +.. bpo: 15927 +.. date: 8430 +.. nonce: YpppEm +.. section: Library + +CVS now correctly parses escaped newlines and carriage when parsing with +quoting turned off. + +.. + +.. bpo: 17467 +.. date: 8429 +.. nonce: XLE6Ww +.. section: Library + +add readline and readlines support to mock_open in unittest.mock. + +.. + +.. bpo: 13248 +.. date: 8428 +.. nonce: YnMTCa +.. section: Library + +removed deprecated and undocumented difflib.isbjunk, isbpopular. + +.. + +.. bpo: 17192 +.. date: 8427 +.. nonce: U0oKFo +.. section: Library + +Update the ctypes module's libffi to v3.0.13. This specifically addresses a +stack misalignment issue on x86 and issues on some more recent platforms. + +.. + +.. bpo: 8862 +.. date: 8426 +.. nonce: WkppFP +.. section: Library + +Fixed curses cleanup when getkey is interrputed by a signal. + +.. + +.. bpo: 17443 +.. date: 8425 +.. nonce: _ARDbV +.. section: Library + +imaplib.IMAP4_stream was using the default unbuffered IO in subprocess, but +the imap code assumes buffered IO. In Python2 this worked by accident. +IMAP4_stream now explicitly uses buffered IO. + +.. + +.. bpo: 17476 +.. date: 8424 +.. nonce: Vs3Ky0 +.. section: Library + +Fixed regression relative to Python2 in undocumented pydoc 'allmethods'; it +was missing unbound methods on the class. + +.. + +.. bpo: 17474 +.. date: 8423 +.. nonce: y7hWoH +.. section: Library + +Remove the deprecated methods of Request class. + +.. + +.. bpo: 16709 +.. date: 8422 +.. nonce: 03AeYP +.. section: Library + +unittest discover order is no-longer filesystem specific. Patch by Jeff +Ramnani. + +.. + +.. bpo: 0 +.. date: 8421 +.. nonce: 4ymwbY +.. section: Library + +Use the HTTPS PyPI url for upload, overriding any plain HTTP URL in pypirc. + +.. + +.. bpo: 5024 +.. date: 8420 +.. nonce: 4cj0qD +.. section: Library + +sndhdr.whichhdr now returns the frame count for WAV files rather than -1. + +.. + +.. bpo: 17460 +.. date: 8419 +.. nonce: EQquZ6 +.. section: Library + +Remove the strict argument of HTTPConnection and removing the +DeprecationWarning being issued from 3.2 onwards. + +.. + +.. bpo: 16880 +.. date: 8418 +.. nonce: VYBbI- +.. section: Library + +Do not assume _imp.load_dynamic() is defined in the imp module. + +.. + +.. bpo: 16389 +.. date: 8417 +.. nonce: uQ4z93 +.. section: Library + +Fixed a performance regression relative to Python 3.1 in the caching of +compiled regular expressions. + +.. + +.. bpo: 0 +.. date: 8416 +.. nonce: VWrGFv +.. section: Library + +Added missing FeedParser and BytesFeedParser to email.parser.__all__. + +.. + +.. bpo: 17431 +.. date: 8415 +.. nonce: nID-Rk +.. section: Library + +Fix missing import of BytesFeedParser in email.parser. + +.. + +.. bpo: 12921 +.. date: 8414 +.. nonce: TksQ6K +.. section: Library + +http.server's send_error takes an explain argument to send more information +in response. Patch contributed by Karl. + +.. + +.. bpo: 17414 +.. date: 8413 +.. nonce: lOLLCV +.. section: Library + +Add timeit, repeat, and default_timer to timeit.__all__. + +.. + +.. bpo: 1285086 +.. date: 8412 +.. nonce: RN9orX +.. section: Library + +Get rid of the refcounting hack and speed up urllib.parse.unquote() and +urllib.parse.unquote_to_bytes(). + +.. + +.. bpo: 17099 +.. date: 8411 +.. nonce: CfR4FA +.. section: Library + +Have importlib.find_loader() raise ValueError when __loader__ is not set, +harmonizing with what happens when the attribute is set to None. + +.. + +.. bpo: 0 +.. date: 8410 +.. nonce: a1ikiC +.. section: Library + +Expose the O_PATH constant in the os module if it is available. + +.. + +.. bpo: 17368 +.. date: 8409 +.. nonce: y8QiJd +.. section: Library + +Fix an off-by-one error in the Python JSON decoder that caused a failure +while decoding empty object literals when object_pairs_hook was specified. + +.. + +.. bpo: 17385 +.. date: 8408 +.. nonce: vuRrxn +.. section: Library + +Fix quadratic behavior in threading.Condition. The FIFO queue now uses a +deque instead of a list. + +.. + +.. bpo: 15806 +.. date: 8407 +.. nonce: vWRkOo +.. section: Library + +Add contextlib.ignore(). This creates a context manager to ignore specified +exceptions, replacing the "except SomeException: pass" idiom. + +.. + +.. bpo: 14645 +.. date: 8406 +.. nonce: FevIjz +.. section: Library + +The email generator classes now produce output using the specified linesep +throughout. Previously if the prolog, epilog, or body were stored with a +different linesep, that linesep was used. This fix corrects an RFC non- +compliance issue with smtplib.send_message. + +.. + +.. bpo: 17278 +.. date: 8405 +.. nonce: pOF4An +.. section: Library + +Fix a crash in heapq.heappush() and heapq.heappop() when the list is being +resized concurrently. + +.. + +.. bpo: 16962 +.. date: 8404 +.. nonce: 4mCLOO +.. section: Library + +Use getdents64 instead of the obsolete getdents syscall in the subprocess +module on Linux. + +.. + +.. bpo: 16935 +.. date: 8403 +.. nonce: ykjyut +.. section: Library + +unittest now counts the module as skipped if it raises SkipTest, instead of +counting it as an error. Patch by Zachary Ware. + +.. + +.. bpo: 17018 +.. date: 8402 +.. nonce: l8_sa8 +.. section: Library + +Make Process.join() retry if os.waitpid() fails with EINTR. + +.. + +.. bpo: 17223 +.. date: 8401 +.. nonce: gzcSyh +.. section: Library + +array module: Fix a crasher when converting an array containing invalid +characters (outside range [U+0000; U+10ffff]) to Unicode: repr(array), +str(array) and array.tounicode(). Patch written by Manuel Jacob. + +.. + +.. bpo: 17197 +.. date: 8400 +.. nonce: 8BMC_8 +.. section: Library + +profile/cProfile modules refactored so that code of run() and runctx() +utility functions is not duplicated in both modules. + +.. + +.. bpo: 14720 +.. date: 8399 +.. nonce: rjT0OJ +.. section: Library + +sqlite3: Convert datetime microseconds correctly. Patch by Lowe Thiderman. + +.. + +.. bpo: 15132 +.. date: 8398 +.. nonce: kC6tTe +.. section: Library + +Allow a list for the defaultTest argument of unittest.TestProgram. Patch by +Jyrki Pulliainen. + +.. + +.. bpo: 17225 +.. date: 8397 +.. nonce: Z396fN +.. section: Library + +JSON decoder now counts columns in the first line starting with 1, as in +other lines. + +.. + +.. bpo: 6623 +.. date: 8396 +.. nonce: eWizvk +.. section: Library + +Added explicit DeprecationWarning for ftplib.netrc, which has been +deprecated and undocumented for a long time. + +.. + +.. bpo: 13700 +.. date: 8395 +.. nonce: sfJ2nZ +.. section: Library + +Fix byte/string handling in imaplib authentication when an authobject is +specified. + +.. + +.. bpo: 13153 +.. date: 8394 +.. nonce: DW27xH +.. section: Library + +Tkinter functions now raise TclError instead of ValueError when a string +argument contains non-BMP character. + +.. + +.. bpo: 9669 +.. date: 8393 +.. nonce: Td9alB +.. section: Library + +Protect re against infinite loops on zero-width matching in non-greedy +repeat. Patch by Matthew Barnett. + +.. + +.. bpo: 13169 +.. date: 8392 +.. nonce: txDMgH +.. section: Library + +The maximal repetition number in a regular expression has been increased +from 65534 to 2147483647 (on 32-bit platform) or 4294967294 (on 64-bit). + +.. + +.. bpo: 17143 +.. date: 8391 +.. nonce: HLnFxv +.. section: Library + +Fix a missing import in the trace module. Initial patch by Berker Peksag. + +.. + +.. bpo: 15220 +.. date: 8390 +.. nonce: 7GI-FE +.. section: Library + +email.feedparser's line splitting algorithm is now simpler and faster. + +.. + +.. bpo: 16743 +.. date: 8389 +.. nonce: 7vwfDN +.. section: Library + +Fix mmap overflow check on 32 bit Windows. + +.. + +.. bpo: 16996 +.. date: 8388 +.. nonce: HEPEjp +.. section: Library + +webbrowser module now uses shutil.which() to find a web-browser on the +executable search path. + +.. + +.. bpo: 16800 +.. date: 8387 +.. nonce: HxSo58 +.. section: Library + +tempfile.gettempdir() no longer left temporary files when the disk is full. +Original patch by Amir Szekely. + +.. + +.. bpo: 17192 +.. date: 8386 +.. nonce: f8i9hd +.. section: Library + +Import libffi-3.0.12. + +.. + +.. bpo: 16564 +.. date: 8385 +.. nonce: KBvsbB +.. section: Library + +Fixed regression relative to Python2 in the operation of +email.encoders.encode_7or8bit when used with binary data. + +.. + +.. bpo: 17052 +.. date: 8384 +.. nonce: TEWdzQ +.. section: Library + +unittest discovery should use self.testLoader. + +.. + +.. bpo: 4591 +.. date: 8383 +.. nonce: 9wJlD8 +.. section: Library + +Uid and gid values larger than 2**31 are supported now. + +.. + +.. bpo: 17141 +.. date: 8382 +.. nonce: wvMZ5Q +.. section: Library + +random.vonmisesvariate() no longer hangs for large kappas. + +.. + +.. bpo: 17149 +.. date: 8381 +.. nonce: _hUd7T +.. section: Library + +Fix random.vonmisesvariate to always return results in [0, 2*math.pi]. + +.. + +.. bpo: 1470548 +.. date: 8380 +.. nonce: vqnyer +.. section: Library + +XMLGenerator now works with binary output streams. + +.. + +.. bpo: 6975 +.. date: 8379 +.. nonce: 4GoPXW +.. section: Library + +os.path.realpath() now correctly resolves multiple nested symlinks on POSIX +platforms. + +.. + +.. bpo: 13773 +.. date: 8378 +.. nonce: 2L-koI +.. section: Library + +sqlite3.connect() gets a new `uri` parameter to pass the filename as a URI, +allowing to pass custom options. + +.. + +.. bpo: 16564 +.. date: 8377 +.. nonce: 5RdAXG +.. section: Library + +Fixed regression relative to Python2 in the operation of +email.encoders.encode_noop when used with binary data. + +.. + +.. bpo: 10355 +.. date: 8376 +.. nonce: s_RAWf +.. section: Library + +The mode, name, encoding and newlines properties now work on +SpooledTemporaryFile objects even when they have not yet rolled over. +Obsolete method xreadline (which has never worked in Python 3) has been +removed. + +.. + +.. bpo: 16686 +.. date: 8375 +.. nonce: zT_bpe +.. section: Library + +Fixed a lot of bugs in audioop module. Fixed crashes in avgpp(), maxpp() +and ratecv(). Fixed an integer overflow in add(), bias(), and ratecv(). +reverse(), lin2lin() and ratecv() no more lose precision for 32-bit samples. +max() and rms() no more returns a negative result and various other +functions now work correctly with 32-bit sample -0x80000000. + +.. + +.. bpo: 17073 +.. date: 8374 +.. nonce: wlCar1 +.. section: Library + +Fix some integer overflows in sqlite3 module. + +.. + +.. bpo: 16723 +.. date: 8373 +.. nonce: q1Cw-s +.. section: Library + +httplib.HTTPResponse no longer marked closed when the connection is +automatically closed. + +.. + +.. bpo: 15359 +.. date: 8372 +.. nonce: UDphxr +.. section: Library + +Add CAN_BCM protocol support to the socket module. Patch by Brian Thorne. + +.. + +.. bpo: 16948 +.. date: 8371 +.. nonce: 8mm-53 +.. section: Library + +Fix quoted printable body encoding for non-latin1 character sets in the +email package. + +.. + +.. bpo: 16811 +.. date: 8370 +.. nonce: rlH6y6 +.. section: Library + +Fix folding of headers with no value in the provisional email policies. + +.. + +.. bpo: 17132 +.. date: 8369 +.. nonce: ebpN0J +.. section: Library + +Update symbol for "yield from" grammar changes. + +.. + +.. bpo: 17076 +.. date: 8368 +.. nonce: IOhR77 +.. section: Library + +Make copying of xattrs more tolerant of missing FS support. Patch by Thomas +Wouters. + +.. + +.. bpo: 17089 +.. date: 8367 +.. nonce: Z3-kED +.. section: Library + +Expat parser now correctly works with string input when the internal XML +encoding is not UTF-8 or US-ASCII. It also now accepts bytes and strings +larger than 2 GiB. + +.. + +.. bpo: 6083 +.. date: 8366 +.. nonce: 5_NDqv +.. section: Library + +Fix multiple segmentation faults occured when PyArg_ParseTuple parses nested +mutating sequence. + +.. + +.. bpo: 5289 +.. date: 8365 +.. nonce: 4azz2m +.. section: Library + +Fix ctypes.util.find_library on Solaris. + +.. + +.. bpo: 17106 +.. date: 8364 +.. nonce: -2_cbV +.. section: Library + +Fix a segmentation fault in io.TextIOWrapper when an underlying stream or a +decoder produces data of an unexpected type (i.e. when io.TextIOWrapper +initialized with text stream or use bytes-to-bytes codec). + +.. + +.. bpo: 17015 +.. date: 8363 +.. nonce: SzigPI +.. section: Library + +When it has a spec, a Mock object now inspects its signature when matching +calls, so that arguments can be matched positionally or by name. + +.. + +.. bpo: 15633 +.. date: 8362 +.. nonce: t407yZ +.. section: Library + +httplib.HTTPResponse is now mark closed when the server sends less than the +advertised Content-Length. + +.. + +.. bpo: 12268 +.. date: 8361 +.. nonce: sIHfGM +.. section: Library + +The io module file object write methods no longer abort early when one of +its write system calls is interrupted (EINTR). + +.. + +.. bpo: 6972 +.. date: 8360 +.. nonce: e2Lq4T +.. section: Library + +The zipfile module no longer overwrites files outside of its destination +path when extracting malicious zip files. + +.. + +.. bpo: 4844 +.. date: 8359 +.. nonce: ascNW4 +.. section: Library + +ZipFile now raises BadZipFile when opens a ZIP file with an incomplete "End +of Central Directory" record. Original patch by Guilherme Polo and Alan +McIntyre. + +.. + +.. bpo: 17071 +.. date: 8358 +.. nonce: kRQAey +.. section: Library + +Signature.bind() now works when one of the keyword arguments is named +``self``. + +.. + +.. bpo: 12004 +.. date: 8357 +.. nonce: SAEl1I +.. section: Library + +Fix an internal error in PyZipFile when writing an invalid Python file. +Patch by Ben Morgan. + +.. + +.. bpo: 0 +.. date: 8356 +.. nonce: 4OOKnh +.. section: Library + +Have py_compile use importlib as much as possible to avoid code duplication. +Code now raises FileExistsError if the file path to be used for the byte- +compiled file is a symlink or non-regular file as a warning that import will +not keep the file path type if it writes to that path. + +.. + +.. bpo: 16972 +.. date: 8355 +.. nonce: nEo5JN +.. section: Library + +Have site.addpackage() consider already known paths even when none are +explicitly passed in. Bug report and fix by Kirill. + +.. + +.. bpo: 1602133 +.. date: 8354 +.. nonce: lYqpUo +.. section: Library + +on Mac OS X a shared library build (``--enable-shared``) now fills the +``os.environ`` variable correctly. + +.. + +.. bpo: 15505 +.. date: 8353 +.. nonce: -pH9Mh +.. section: Library + +`unittest.installHandler` no longer assumes SIGINT handler is set to a +callable object. + +.. + +.. bpo: 13454 +.. date: 8352 +.. nonce: 81rUI- +.. section: Library + +Fix a crash when deleting an iterator created by itertools.tee() if all +other iterators were very advanced before. + +.. + +.. bpo: 12411 +.. date: 8351 +.. nonce: cw1MdL +.. section: Library + +Fix to cgi.parse_multipart to correctly use bytes boundaries and bytes data. +Patch by Jonas Wagner. + +.. + +.. bpo: 16957 +.. date: 8350 +.. nonce: ne-gBj +.. section: Library + +shutil.which() no longer searches a bare file name in the current directory +on Unix and no longer searches a relative file path with a directory part in +PATH directories. Patch by Thomas Kluyver. + +.. + +.. bpo: 1159051 +.. date: 8349 +.. nonce: 1KBJ6M +.. section: Library + +GzipFile now raises EOFError when reading a corrupted file with truncated +header or footer. + +.. + +.. bpo: 16993 +.. date: 8348 +.. nonce: L3OmWx +.. section: Library + +shutil.which() now preserves the case of the path and extension on Windows. + +.. + +.. bpo: 16992 +.. date: 8347 +.. nonce: s_RXIM +.. section: Library + +On Windows in signal.set_wakeup_fd, validate the file descriptor argument. + +.. + +.. bpo: 16422 +.. date: 8346 +.. nonce: SNwB1o +.. section: Library + +For compatibility with the Python version, the C version of decimal now uses +strings instead of integers for rounding mode constants. + +.. + +.. bpo: 15861 +.. date: 8345 +.. nonce: gGkxCM +.. section: Library + +tkinter now correctly works with lists and tuples containing strings with +whitespaces, backslashes or unbalanced braces. + +.. + +.. bpo: 9720 +.. date: 8344 +.. nonce: XPXDks +.. section: Library + +zipfile now writes correct local headers for files larger than 4 GiB. + +.. + +.. bpo: 16955 +.. date: 8343 +.. nonce: VD_jpc +.. section: Library + +Fix the poll() method for multiprocessing's socket connections on Windows. + +.. + +.. bpo: 0 +.. date: 8342 +.. nonce: PoQ__t +.. section: Library + +SSLContext.load_dh_params() now properly closes the input file. + +.. + +.. bpo: 15031 +.. date: 8341 +.. nonce: an2pG1 +.. section: Library + +Refactor some .pyc management code to cut down on code duplication. Thanks +to Ronan Lamy for the report and taking an initial stab at the problem. + +.. + +.. bpo: 16398 +.. date: 8340 +.. nonce: JU7cL4 +.. section: Library + +Optimize deque.rotate() so that it only moves pointers and doesn't touch the +underlying data with increfs and decrefs. + +.. + +.. bpo: 16900 +.. date: 8339 +.. nonce: oyyCUi +.. section: Library + +Issue a ResourceWarning when an ssl socket is left unclosed. + +.. + +.. bpo: 13899 +.. date: 8338 +.. nonce: PJ5tHf +.. section: Library + +``\A``, ``\Z``, and ``\B`` now correctly match the A, Z, and B literals when +used inside character classes (e.g. ``'[\A]'``). Patch by Matthew Barnett. + +.. + +.. bpo: 15545 +.. date: 8337 +.. nonce: FCBNNV +.. section: Library + +Fix regression in sqlite3's iterdump method where it was failing if the +connection used a row factory (such as sqlite3.Row) that produced unsortable +objects. (Regression was introduced by fix for 9750). + +.. + +.. bpo: 0 +.. date: 8336 +.. nonce: dEUst7 +.. section: Library + +fcntl: add F_DUPFD_CLOEXEC constant, available on Linux 2.6.24+. + +.. + +.. bpo: 15972 +.. date: 8335 +.. nonce: G3_6id +.. section: Library + +Fix error messages when os functions expecting a file name or file +descriptor receive the incorrect type. + +.. + +.. bpo: 8109 +.. date: 8334 +.. nonce: CbDLHH +.. section: Library + +The ssl module now has support for server-side SNI, thanks to a +:meth:`SSLContext.set_servername_callback` method. Patch by Daniel Black. + +.. + +.. bpo: 16860 +.. date: 8333 +.. nonce: W9CpNg +.. section: Library + +In tempfile, use O_CLOEXEC when available to set the close-on-exec flag +atomically. + +.. + +.. bpo: 16674 +.. date: 8332 +.. nonce: Q8wDpT +.. section: Library + +random.getrandbits() is now 20-40% faster for small integers. + +.. + +.. bpo: 16009 +.. date: 8331 +.. nonce: tTmrs1 +.. section: Library + +JSON error messages now provide more information. + +.. + +.. bpo: 16828 +.. date: 8330 +.. nonce: uSGRTZ +.. section: Library + +Fix error incorrectly raised by bz2.compress(b'') and +bz2.BZ2Compressor.compress(b''). Initial patch by Martin Packman. + +.. + +.. bpo: 16833 +.. date: 8329 +.. nonce: g0QSh5 +.. section: Library + +In http.client.HTTPConnection, do not concatenate the request headers and +body when the payload exceeds 16 KB, since it can consume more memory for no +benefit. Patch by Benno Leslie. + +.. + +.. bpo: 16541 +.. date: 8328 +.. nonce: rfIhAb +.. section: Library + +tk_setPalette() now works with keyword arguments. + +.. + +.. bpo: 16820 +.. date: 8327 +.. nonce: e27ceV +.. section: Library + +In configparser, `parser.popitem()` no longer raises ValueError. This makes +`parser.clean()` work correctly. + +.. + +.. bpo: 16820 +.. date: 8326 +.. nonce: eSaGa4 +.. section: Library + +In configparser, ``parser['section'] = {}`` now preserves section order +within the parser. This makes `parser.update()` preserve section order as +well. + +.. + +.. bpo: 16820 +.. date: 8325 +.. nonce: yk3gzb +.. section: Library + +In configparser, ``parser['DEFAULT'] = {}`` now correctly clears previous +values stored in the default section. Same goes for +``parser.update({'DEFAULT': {}})``. + +.. + +.. bpo: 9586 +.. date: 8324 +.. nonce: 9tuKgR +.. section: Library + +Redefine SEM_FAILED on MacOSX to keep compiler happy. + +.. + +.. bpo: 16787 +.. date: 8323 +.. nonce: H5R03d +.. section: Library + +Increase asyncore and asynchat default output buffers size, to decrease CPU +usage and increase throughput. + +.. + +.. bpo: 10527 +.. date: 8322 +.. nonce: 7btVvN +.. section: Library + +make multiprocessing use poll() instead of select() if available. + +.. + +.. bpo: 16688 +.. date: 8321 +.. nonce: V4uNMo +.. section: Library + +Now regexes contained backreferences correctly work with non-ASCII strings. +Patch by Matthew Barnett. + +.. + +.. bpo: 16486 +.. date: 8320 +.. nonce: bfM62e +.. section: Library + +Make aifc files act as context managers. + +.. + +.. bpo: 16485 +.. date: 8319 +.. nonce: aUJyTZ +.. section: Library + +Now file descriptors are closed if file header patching failed on closing an +aifc file. + +.. + +.. bpo: 16640 +.. date: 8318 +.. nonce: uijEnP +.. section: Library + +Run less code under a lock in sched module. + +.. + +.. bpo: 16165 +.. date: 8317 +.. nonce: QuZOIy +.. section: Library + +sched.scheduler.run() no longer blocks a scheduler for other threads. + +.. + +.. bpo: 16641 +.. date: 8316 +.. nonce: JYpAhs +.. section: Library + +Default values of sched.scheduler.enter() are no longer modifiable. + +.. + +.. bpo: 16618 +.. date: 8315 +.. nonce: lo3BQu +.. section: Library + +Make glob.glob match consistently across strings and bytes regarding leading +dots. Patch by Serhiy Storchaka. + +.. + +.. bpo: 16788 +.. date: 8314 +.. nonce: Os6OJu +.. section: Library + +Add samestat to Lib/ntpath.py + +.. + +.. bpo: 16713 +.. date: 8313 +.. nonce: Mq84Hq +.. section: Library + +Parsing of 'tel' urls using urlparse separates params from path. + +.. + +.. bpo: 16443 +.. date: 8312 +.. nonce: SnGosi +.. section: Library + +Add docstrings to regular expression match objects. Patch by Anton Kasyanov. + +.. + +.. bpo: 15701 +.. date: 8311 +.. nonce: rAh1Sy +.. section: Library + +Fix HTTPError info method call to return the headers information. + +.. + +.. bpo: 16752 +.. date: 8310 +.. nonce: gIWkHK +.. section: Library + +Add a missing import to modulefinder. Patch by Berker Peksag. + +.. + +.. bpo: 16646 +.. date: 8309 +.. nonce: Tc3vsq +.. section: Library + +ftplib.FTP.makeport() might lose socket error details. (patch by Serhiy +Storchaka) + +.. + +.. bpo: 16626 +.. date: 8308 +.. nonce: P9xKcu +.. section: Library + +Fix infinite recursion in glob.glob() on Windows when the pattern contains a +wildcard in the drive or UNC path. Patch by Serhiy Storchaka. + +.. + +.. bpo: 15783 +.. date: 8307 +.. nonce: y8LbED +.. section: Library + +Except for the number methods, the C version of decimal now supports all +None default values present in decimal.py. These values were largely +undocumented. + +.. + +.. bpo: 11175 +.. date: 8306 +.. nonce: T80G4_ +.. section: Library + +argparse.FileType now accepts encoding and errors arguments. Patch by Lucas +Maystre. + +.. + +.. bpo: 16488 +.. date: 8305 +.. nonce: SeOkz0 +.. section: Library + +epoll() objects now support the `with` statement. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 16298 +.. date: 8304 +.. nonce: kN3o52 +.. section: Library + +In HTTPResponse.read(), close the socket when there is no Content-Length and +the incoming stream is finished. Patch by Eran Rundstein. + +.. + +.. bpo: 16049 +.. date: 8303 +.. nonce: HeaoM8 +.. section: Library + +Add abc.ABC class to enable the use of inheritance to create ABCs, rather +than the more cumbersome metaclass=ABCMeta. Patch by Bruno Dupuis. + +.. + +.. bpo: 0 +.. date: 8302 +.. nonce: 0T54b0 +.. section: Library + +Expose the TCP_FASTOPEN and MSG_FASTOPEN flags in socket when they're +available. + +.. + +.. bpo: 15701 +.. date: 8301 +.. nonce: 7KaZjl +.. section: Library + +Add a .headers attribute to urllib.error.HTTPError. Patch contributed by +Berker Peksag. + +.. + +.. bpo: 15872 +.. date: 8300 +.. nonce: hPj0NT +.. section: Library + +Fix 3.3 regression introduced by the new fd-based shutil.rmtree that caused +it to not ignore certain errors when ignore_errors was set. Patch by +Alessandro Moura and Serhiy Storchaka. + +.. + +.. bpo: 16248 +.. date: 8299 +.. nonce: yOopnt +.. section: Library + +Disable code execution from the user's home directory by tkinter when the -E +flag is passed to Python. Patch by Zachary Ware. + +.. + +.. bpo: 13390 +.. date: 8298 +.. nonce: Oj2WC_ +.. section: Library + +New function :func:`sys.getallocatedblocks()` returns the number of memory +blocks currently allocated. + +.. + +.. bpo: 16628 +.. date: 8297 +.. nonce: qnWML3 +.. section: Library + +Fix a memory leak in ctypes.resize(). + +.. + +.. bpo: 13614 +.. date: 8296 +.. nonce: buqA2j +.. section: Library + +Fix setup.py register failure with invalid rst in description. Patch by +Julien Courteau and Pierre Paul Lefebvre. + +.. + +.. bpo: 13512 +.. date: 8295 +.. nonce: KW8Du9 +.. section: Library + +Create ~/.pypirc securely (CVE-2011-4944). Initial patch by Philip Jenvey, +tested by Mageia and Debian. + +.. + +.. bpo: 7719 +.. date: 8294 +.. nonce: O-kdp6 +.. section: Library + +Make distutils ignore ``.nfs*`` files instead of choking later on. Initial +patch by SilentGhost and Jeff Ramnani. + +.. + +.. bpo: 13120 +.. date: 8293 +.. nonce: XjAzio +.. section: Library + +Allow to call pdb.set_trace() from thread. Patch by Ilya Sandler. + +.. + +.. bpo: 16585 +.. date: 8292 +.. nonce: f_MHWg +.. section: Library + +Make CJK encoders support error handlers that return bytes per PEP 383. + +.. + +.. bpo: 10182 +.. date: 8291 +.. nonce: 0nH79H +.. section: Library + +The re module doesn't truncate indices to 32 bits anymore. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 16333 +.. date: 8290 +.. nonce: 8YUVkp +.. section: Library + +use (",", ": ") as default separator in json when indent is specified, to +avoid trailing whitespace. Patch by Serhiy Storchaka. + +.. + +.. bpo: 16573 +.. date: 8289 +.. nonce: kKjx72 +.. section: Library + +In 2to3, treat enumerate() like a consuming call, so superfluous list() +calls aren't added to filter(), map(), and zip() which are directly passed +enumerate(). + +.. + +.. bpo: 16464 +.. date: 8288 +.. nonce: fcgAzt +.. section: Library + +Reset the Content-Length header when a urllib Request is reused with new +data. + +.. + +.. bpo: 12848 +.. date: 8287 +.. nonce: gGAbLz +.. section: Library + +The pure Python pickle implementation now treats object lengths as unsigned +32-bit integers, like the C implementation does. Patch by Serhiy Storchaka. + +.. + +.. bpo: 16423 +.. date: 8286 +.. nonce: ZVmUs3 +.. section: Library + +urllib.request now has support for ``data:`` URLs. Patch by Mathias +Panzenböck. + +.. + +.. bpo: 4473 +.. date: 8285 +.. nonce: 3tTGZx +.. section: Library + +Add a POP3.stls() to switch a clear-text POP3 session into an encrypted POP3 +session, on supported servers. Patch by Lorenzo Catucci. + +.. + +.. bpo: 4473 +.. date: 8284 +.. nonce: BcE9oH +.. section: Library + +Add a POP3.capa() method to query the capabilities advertised by the POP3 +server. Patch by Lorenzo Catucci. + +.. + +.. bpo: 4473 +.. date: 8283 +.. nonce: dU-l8q +.. section: Library + +Ensure the socket is shutdown cleanly in POP3.close(). Patch by Lorenzo +Catucci. + +.. + +.. bpo: 16522 +.. date: 8282 +.. nonce: NIzWem +.. section: Library + +added FAIL_FAST flag to doctest. + +.. + +.. bpo: 15627 +.. date: 8281 +.. nonce: 4PHtp9 +.. section: Library + +Add the importlib.abc.InspectLoader.source_to_code() method. + +.. + +.. bpo: 16408 +.. date: 8280 +.. nonce: iqzks4 +.. section: Library + +Fix file descriptors not being closed in error conditions in the zipfile +module. Patch by Serhiy Storchaka. + +.. + +.. bpo: 14631 +.. date: 8279 +.. nonce: -GSQmy +.. section: Library + +Add a new :class:`weakref.WeakMethod` to simulate weak references to bound +methods. + +.. + +.. bpo: 16469 +.. date: 8278 +.. nonce: Od7MLh +.. section: Library + +Fix exceptions from float -> Fraction and Decimal -> Fraction conversions +for special values to be consistent with those for float -> int and Decimal +-> int. Patch by Alexey Kachayev. + +.. + +.. bpo: 16481 +.. date: 8277 +.. nonce: TsOri8 +.. section: Library + +multiprocessing no longer leaks process handles on Windows. + +.. + +.. bpo: 12428 +.. date: 8276 +.. nonce: wo0Z3V +.. section: Library + +Add a pure Python implementation of functools.partial(). Patch by Brian +Thorne. + +.. + +.. bpo: 16140 +.. date: 8275 +.. nonce: lszQfR +.. section: Library + +The subprocess module no longer double closes its child subprocess.PIPE +parent file descriptors on child error prior to exec(). + +.. + +.. bpo: 0 +.. date: 8274 +.. nonce: G2vxaZ +.. section: Library + +Remove a bare print to stdout from the subprocess module that could have +happened if the child process wrote garbage to its pre-exec error pipe. + +.. + +.. bpo: 0 +.. date: 8273 +.. nonce: Kf0oN- +.. section: Library + +The subprocess module now raises its own SubprocessError instead of a +RuntimeError in various error situations which should not normally happen. + +.. + +.. bpo: 16327 +.. date: 8272 +.. nonce: uVAHv3 +.. section: Library + +The subprocess module no longer leaks file descriptors used for +stdin/stdout/stderr pipes to the child when fork() fails. + +.. + +.. bpo: 14396 +.. date: 8271 +.. nonce: aUgPuV +.. section: Library + +Handle the odd rare case of waitpid returning 0 when not expected in +subprocess.Popen.wait(). + +.. + +.. bpo: 16411 +.. date: 8270 +.. nonce: 9Mn07O +.. section: Library + +Fix a bug where zlib.decompressobj().flush() might try to access previously- +freed memory. Patch by Serhiy Storchaka. + +.. + +.. bpo: 16357 +.. date: 8269 +.. nonce: JSAbxU +.. section: Library + +fix calling accept() on a SSLSocket created through +SSLContext.wrap_socket(). Original patch by Jeff McNeil. + +.. + +.. bpo: 16409 +.. date: 8268 +.. nonce: Q4-W9i +.. section: Library + +The reporthook callback made by the legacy urllib.request.urlretrieve API +now properly supplies a constant non-zero block_size as it did in Python 3.2 +and 2.7. This matches the behavior of urllib.request.URLopener.retrieve. + +.. + +.. bpo: 16431 +.. date: 8267 +.. nonce: e4cPCA +.. section: Library + +Use the type information when constructing a Decimal subtype from a Decimal +argument. + +.. + +.. bpo: 15641 +.. date: 8266 +.. nonce: vCK1I7 +.. section: Library + +Clean up deprecated classes from importlib. Patch by Taras Lyapun. + +.. + +.. bpo: 16350 +.. date: 8265 +.. nonce: b77tF6 +.. section: Library + +zlib.decompressobj().decompress() now accumulates data from successive calls +after EOF in unused_data, instead of only saving the argument to the last +call. decompressobj().flush() now correctly sets unused_data and +unconsumed_tail. A bug in the handling of MemoryError when setting the +unconsumed_tail attribute has also been fixed. Patch by Serhiy Storchaka. + +.. + +.. bpo: 12759 +.. date: 8264 +.. nonce: c7p8aw +.. section: Library + +sre_parse now raises a proper error when the name of the group is missing. +Initial patch by Serhiy Storchaka. + +.. + +.. bpo: 16152 +.. date: 8263 +.. nonce: Lypvsp +.. section: Library + +fix tokenize to ignore whitespace at the end of the code when no newline is +found. Patch by Ned Batchelder. + +.. + +.. bpo: 16284 +.. date: 8262 +.. nonce: fNPApL +.. section: Library + +Prevent keeping unnecessary references to worker functions in +concurrent.futures ThreadPoolExecutor. + +.. + +.. bpo: 16230 +.. date: 8261 +.. nonce: DC1cQ_ +.. section: Library + +Fix a crash in select.select() when one the lists changes size while +iterated on. Patch by Serhiy Storchaka. + +.. + +.. bpo: 16228 +.. date: 8260 +.. nonce: zsna-8 +.. section: Library + +Fix a crash in the json module where a list changes size while it is being +encoded. Patch by Serhiy Storchaka. + +.. + +.. bpo: 16351 +.. date: 8259 +.. nonce: pm5Uwv +.. section: Library + +New function gc.get_stats() returns per-generation collection statistics. + +.. + +.. bpo: 14897 +.. date: 8258 +.. nonce: OGbALj +.. section: Library + +Enhance error messages of struct.pack and struct.pack_into. Patch by Matti +Mäki. + +.. + +.. bpo: 16316 +.. date: 8257 +.. nonce: JuyfbK +.. section: Library + +mimetypes now recognizes the .xz and .txz (.tar.xz) extensions. Patch by +Serhiy Storchaka. + +.. + +.. bpo: 12890 +.. date: 8256 +.. nonce: kDaDxa +.. section: Library + +cgitb no longer prints spurious

tags in text mode when the logdir option +is specified. + +.. + +.. bpo: 16307 +.. date: 8255 +.. nonce: a50VwB +.. section: Library + +Fix multiprocessing.Pool.map_async not calling its callbacks. Patch by Janne +Karila. + +.. + +.. bpo: 16305 +.. date: 8254 +.. nonce: 16wmhi +.. section: Library + +Fix a segmentation fault occurring when interrupting math.factorial. + +.. + +.. bpo: 16116 +.. date: 8253 +.. nonce: vgGtQF +.. section: Library + +Fix include and library paths to be correct when building C extensions in +venvs. + +.. + +.. bpo: 16245 +.. date: 8252 +.. nonce: kJSC-a +.. section: Library + +Fix the value of a few entities in html.entities.html5. + +.. + +.. bpo: 16301 +.. date: 8251 +.. nonce: t0fnjV +.. section: Library + +Fix the localhost verification in urllib/request.py for file:// urls. + +.. + +.. bpo: 16250 +.. date: 8250 +.. nonce: ieVkF0 +.. section: Library + +Fix the invocations of URLError which had misplaced filename attribute for +exception. + +.. + +.. bpo: 10836 +.. date: 8249 +.. nonce: Jh2ffY +.. section: Library + +Fix exception raised when file not found in urlretrieve Initial patch by +Ezio Melotti. + +.. + +.. bpo: 14398 +.. date: 8248 +.. nonce: jPT4ME +.. section: Library + +Fix size truncation and overflow bugs in the bz2 module. + +.. + +.. bpo: 12692 +.. date: 8247 +.. nonce: 2Mzlsy +.. section: Library + +Fix resource leak in urllib.request when talking to an HTTP server that does +not include a ``Connection: close`` header in its responses. + +.. + +.. bpo: 12034 +.. date: 8246 +.. nonce: btn3x3 +.. section: Library + +Fix bogus caching of result in check_GetFinalPathNameByHandle. Patch by +Atsuo Ishimoto. + +.. + +.. bpo: 0 +.. date: 8245 +.. nonce: D_nbXg +.. section: Library + +Improve performance of `lzma.LZMAFile` (see also issue #16034). + +.. + +.. bpo: 16220 +.. date: 8244 +.. nonce: KAtvbg +.. section: Library + +wsgiref now always calls close() on an iterable response. Patch by Brent +Tubbs. + +.. + +.. bpo: 16270 +.. date: 8243 +.. nonce: O-WZPm +.. section: Library + +urllib may hang when used for retrieving files via FTP by using a context +manager. Patch by Giampaolo Rodola'. + +.. + +.. bpo: 16461 +.. date: 8242 +.. nonce: 4XLB7L +.. section: Library + +Wave library should be able to deal with 4GB wav files, and sample rate of +44100 Hz. + +.. + +.. bpo: 16176 +.. date: 8241 +.. nonce: iZz-x5 +.. section: Library + +Properly identify Windows 8 via platform.platform() + +.. + +.. bpo: 16088 +.. date: 8240 +.. nonce: xlvl5i +.. section: Library + +BaseHTTPRequestHandler's send_error method includes a Content-Length header +in it's response now. Patch by Antoine Pitrou. + +.. + +.. bpo: 16114 +.. date: 8239 +.. nonce: 99pl4N +.. section: Library + +The subprocess module no longer provides a misleading error message stating +that args[0] did not exist when either the cwd or executable keyword +arguments specified a path that did not exist. + +.. + +.. bpo: 16169 +.. date: 8238 +.. nonce: zjnL7m +.. section: Library + +Fix ctypes.WinError()'s confusion between errno and winerror. + +.. + +.. bpo: 16110 +.. date: 8237 +.. nonce: fJpUiF +.. section: Library + +logging.fileConfig now accepts a pre-initialised ConfigParser instance. + +.. + +.. bpo: 1492704 +.. date: 8236 +.. nonce: 9rDdhr +.. section: Library + +shutil.copyfile() raises a distinct SameFileError now if source and +destination are the same file. Patch by Atsuo Ishimoto. + +.. + +.. bpo: 13896 +.. date: 8235 +.. nonce: iM0TJp +.. section: Library + +Make shelf instances work with 'with' as context managers. Original patch by +Filip Gruszczyński. + +.. + +.. bpo: 15417 +.. date: 8234 +.. nonce: Rd0mDH +.. section: Library + +Add support for csh and fish in venv activation scripts. + +.. + +.. bpo: 14377 +.. date: 8233 +.. nonce: P85CJN +.. section: Library + +ElementTree.write and some of the module-level functions have a new +parameter - *short_empty_elements*. It controls how elements with no +contents are emitted. + +.. + +.. bpo: 16089 +.. date: 8232 +.. nonce: L9jCK7 +.. section: Library + +Allow ElementTree.TreeBuilder to work again with a non-Element +element_factory (fixes a regression in SimpleTAL). + +.. + +.. bpo: 9650 +.. date: 8231 +.. nonce: cENePt +.. section: Library + +List commonly used format codes in time.strftime and time.strptime +docsttings. Original patch by Mike Hoy. + +.. + +.. bpo: 15452 +.. date: 8230 +.. nonce: qqK1EO +.. section: Library + +logging configuration socket listener now has a verify option that allows an +application to apply a verification function to the received configuration +data before it is acted upon. + +.. + +.. bpo: 16034 +.. date: 8229 +.. nonce: E_ZhP2 +.. section: Library + +Fix performance regressions in the new `bz2.BZ2File` implementation. +Initial patch by Serhiy Storchaka. + +.. + +.. bpo: 0 +.. date: 8228 +.. nonce: f4R5V2 +.. section: Library + +`pty.spawn()` now returns the child process status returned by +`os.waitpid()`. + +.. + +.. bpo: 15756 +.. date: 8227 +.. nonce: WAeC4R +.. section: Library + +`subprocess.poll()` now properly handles `errno.ECHILD` to return a +returncode of 0 when the child has already exited or cannot be waited on. + +.. + +.. bpo: 15323 +.. date: 8226 +.. nonce: L4bD_6 +.. section: Library + +Improve failure message of `Mock.assert_called_once_with()`. + +.. + +.. bpo: 16064 +.. date: 8225 +.. nonce: oSOZ0F +.. section: Library + +``unittest -m`` claims executable is "python", not "python3". + +.. + +.. bpo: 12376 +.. date: 8224 +.. nonce: XQz0f2 +.. section: Library + +Pass on parameters in `TextTestResult.__init__()` super call. + +.. + +.. bpo: 15222 +.. date: 8223 +.. nonce: 1KFZ58 +.. section: Library + +Insert blank line after each message in mbox mailboxes. + +.. + +.. bpo: 16013 +.. date: 8222 +.. nonce: QtdOeT +.. section: Library + +Fix `csv.Reader` parsing issue with ending quote characters. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 15421 +.. date: 8221 +.. nonce: bS-Hq5 +.. section: Library + +Fix an OverflowError in `Calendar.itermonthdates()` after +`datetime.MAXYEAR`. Patch by Cédric Krier. + +.. + +.. bpo: 16112 +.. date: 8220 +.. nonce: 7UQthq +.. section: Library + +platform.architecture does not correctly escape argument to /usr/bin/file. +Patch by David Benjamin. + +.. + +.. bpo: 15970 +.. date: 8219 +.. nonce: -hD9Ha +.. section: Library + +`xml.etree.ElementTree` now serializes correctly the empty HTML elements +'meta' and 'param'. + +.. + +.. bpo: 15842 +.. date: 8218 +.. nonce: _Kzj4o +.. section: Library + +The `SocketIO.{readable,writable,seekable}` methods now raise ValueError +when the file-like object is closed. Patch by Alessandro Moura. + +.. + +.. bpo: 15876 +.. date: 8217 +.. nonce: hMWNMn +.. section: Library + +Fix a refleak in the `curses` module: window.encoding. + +.. + +.. bpo: 15881 +.. date: 8216 +.. nonce: 0CCbVo +.. section: Library + +Fix `atexit` hook in `multiprocessing`. Original patch by Chris McDonough. + +.. + +.. bpo: 15841 +.. date: 8215 +.. nonce: UVh8eH +.. section: Library + +The readable(), writable() and seekable() methods of `io.BytesIO` and +`io.StringIO` objects now raise ValueError when the object has been closed. +Patch by Alessandro Moura. + +.. + +.. bpo: 15447 +.. date: 8214 +.. nonce: bdNIb1 +.. section: Library + +Use `subprocess.DEVNULL` in webbrowser, instead of opening `os.devnull` +explicitly and leaving it open. + +.. + +.. bpo: 15509 +.. date: 8213 +.. nonce: q1hQFS +.. section: Library + +`webbrowser.UnixBrowser` no longer passes empty arguments to Popen when +``%action`` substitutions produce empty strings. + +.. + +.. bpo: 12776 +.. date: 8212 +.. nonce: XiJzFk +.. section: Library + +Call `argparse` type function (specified by add_argument) only once. Before, +the type function was called twice in the case where the default was +specified and the argument was given as well. This was especially +problematic for the FileType type, as a default file would always be opened, +even if a file argument was specified on the command line. (See also: +bpo-11839) + +.. + +.. bpo: 15906 +.. date: 8211 +.. nonce: qeshwx +.. section: Library + +Fix a regression in argparse caused by the preceding change, when +``action='append'``, ``type='str'`` and ``default=[]``. + +.. + +.. bpo: 16113 +.. date: 8210 +.. nonce: tpf8Os +.. section: Library + +Added sha3 module based on the Keccak reference implementation 3.2. The +`hashlib` module has four additional hash algorithms: `sha3_224`, +`sha3_256`, `sha3_384` and `sha3_512`. As part of the patch some common code +was moved from _hashopenssl.c to hashlib.h. + +.. + +.. bpo: 0 +.. date: 8209 +.. nonce: t35X7X +.. section: Library + +ctypes.call_commethod was removed, since its only usage was in the defunct +samples directory. + +.. + +.. bpo: 16692 +.. date: 8208 +.. nonce: Hh7vnr +.. section: Library + +Added TLSv1.1 and TLSv1.2 support for the ssl modules. + +.. + +.. bpo: 16832 +.. date: 8207 +.. nonce: D7LpUw +.. section: Library + +add abc.get_cache_token() to expose cache validity checking support in +ABCMeta. + +.. + +.. bpo: 18429 +.. date: 8206 +.. nonce: F1lTq1 +.. section: IDLE + +Format / Format Paragraph, now works when comment blocks are selected. As +with text blocks, this works best when the selection only includes complete +lines. + +.. + +.. bpo: 18226 +.. date: 8205 +.. nonce: 5HtrW1 +.. section: IDLE + +Add docstrings and unittests for FormatParagraph.py. Original patches by +Todd Rovito and Phil Webster. + +.. + +.. bpo: 18279 +.. date: 8204 +.. nonce: UoF-oR +.. section: IDLE + +Format - Strip trailing whitespace no longer marks a file as changed when it +has not been changed. This fix followed the addition of a test file +originally written by Phil Webster (the issue's main goal). + +.. + +.. bpo: 7136 +.. date: 8203 +.. nonce: 7horQf +.. section: IDLE + +In the Idle File menu, "New Window" is renamed "New File". Patch by Tal +Einat, Roget Serwy, and Todd Rovito. + +.. + +.. bpo: 0 +.. date: 8202 +.. nonce: OsJiav +.. section: IDLE + +Remove dead imports of imp. + +.. + +.. bpo: 18196 +.. date: 8201 +.. nonce: hyO7x0 +.. section: IDLE + +Avoid displaying spurious SystemExit tracebacks. + +.. + +.. bpo: 5492 +.. date: 8200 +.. nonce: LCx7lq +.. section: IDLE + +Avoid traceback when exiting IDLE caused by a race condition. + +.. + +.. bpo: 17511 +.. date: 8199 +.. nonce: 6XqdTH +.. section: IDLE + +Keep IDLE find dialog open after clicking "Find Next". Original patch by +Sarah K. + +.. + +.. bpo: 18055 +.. date: 8198 +.. nonce: e6MZXb +.. section: IDLE + +Move IDLE off of imp and on to importlib. + +.. + +.. bpo: 15392 +.. date: 8197 +.. nonce: ukT_lg +.. section: IDLE + +Create a unittest framework for IDLE. Initial patch by Rajagopalasarma +Jayakrishnan. See Lib/idlelib/idle_test/README.txt for how to run Idle +tests. + +.. + +.. bpo: 14146 +.. date: 8196 +.. nonce: -n5gzd +.. section: IDLE + +Highlight source line while debugging on Windows. + +.. + +.. bpo: 17838 +.. date: 8195 +.. nonce: -DDdhT +.. section: IDLE + +Allow sys.stdin to be reassigned. + +.. + +.. bpo: 13495 +.. date: 8194 +.. nonce: CqEc2d +.. section: IDLE + +Avoid loading the color delegator twice in IDLE. + +.. + +.. bpo: 17798 +.. date: 8193 +.. nonce: PVfMob +.. section: IDLE + +Allow IDLE to edit new files when specified on command line. + +.. + +.. bpo: 14735 +.. date: 8192 +.. nonce: lbbw49 +.. section: IDLE + +Update IDLE docs to omit "Control-z on Windows". + +.. + +.. bpo: 17532 +.. date: 8191 +.. nonce: wgA70Z +.. section: IDLE + +Always include Options menu for IDLE on OS X. Patch by Guilherme Simões. + +.. + +.. bpo: 17585 +.. date: 8190 +.. nonce: oXlcVX +.. section: IDLE + +Fixed IDLE regression. Now closes when using exit() or quit(). + +.. + +.. bpo: 17657 +.. date: 8189 +.. nonce: rGfxNo +.. section: IDLE + +Show full Tk version in IDLE's about dialog. Patch by Todd Rovito. + +.. + +.. bpo: 17613 +.. date: 8188 +.. nonce: MfAJ31 +.. section: IDLE + +Prevent traceback when removing syntax colorizer in IDLE. + +.. + +.. bpo: 1207589 +.. date: 8187 +.. nonce: wqzkjh +.. section: IDLE + +Backwards-compatibility patch for right-click menu in IDLE. + +.. + +.. bpo: 16887 +.. date: 8186 +.. nonce: -tb-0g +.. section: IDLE + +IDLE now accepts Cancel in tabify/untabify dialog box. + +.. + +.. bpo: 17625 +.. date: 8185 +.. nonce: SoDm9J +.. section: IDLE + +In IDLE, close the replace dialog after it is used. + +.. + +.. bpo: 14254 +.. date: 8184 +.. nonce: heeMG- +.. section: IDLE + +IDLE now handles readline correctly across shell restarts. + +.. + +.. bpo: 17614 +.. date: 8183 +.. nonce: 9pmpYW +.. section: IDLE + +IDLE no longer raises exception when quickly closing a file. + +.. + +.. bpo: 6698 +.. date: 8182 +.. nonce: fXoiv2 +.. section: IDLE + +IDLE now opens just an editor window when configured to do so. + +.. + +.. bpo: 8900 +.. date: 8181 +.. nonce: jkW99r +.. section: IDLE + +Using keyboard shortcuts in IDLE to open a file no longer raises an +exception. + +.. + +.. bpo: 6649 +.. date: 8180 +.. nonce: uwGice +.. section: IDLE + +Fixed missing exit status in IDLE. Patch by Guilherme Polo. + +.. + +.. bpo: 17114 +.. date: 8179 +.. nonce: vKMHae +.. section: IDLE + +IDLE now uses non-strict config parser. + +.. + +.. bpo: 9290 +.. date: 8178 +.. nonce: Msbacw +.. section: IDLE + +In IDLE the sys.std* streams now implement io.TextIOBase interface and +support all mandatory methods and properties. + +.. + +.. bpo: 5066 +.. date: 8177 +.. nonce: 005zjD +.. section: IDLE + +Update IDLE docs. Patch by Todd Rovito. + +.. + +.. bpo: 16829 +.. date: 8176 +.. nonce: u44Uel +.. section: IDLE + +IDLE printing no longer fails if there are spaces or other special +characters in the file path. + +.. + +.. bpo: 16491 +.. date: 8175 +.. nonce: xeXwAA +.. section: IDLE + +IDLE now prints chained exception tracebacks. + +.. + +.. bpo: 16819 +.. date: 8174 +.. nonce: xEntNh +.. section: IDLE + +IDLE method completion now correctly works for bytes literals. + +.. + +.. bpo: 16504 +.. date: 8173 +.. nonce: othtN_ +.. section: IDLE + +IDLE now catches SyntaxErrors raised by tokenizer. Patch by Roger Serwy. + +.. + +.. bpo: 16511 +.. date: 8172 +.. nonce: yFDlh7 +.. section: IDLE + +Use default IDLE width and height if config param is not valid. Patch Serhiy +Storchaka. + +.. + +.. bpo: 1207589 +.. date: 8171 +.. nonce: 0bmiue +.. section: IDLE + +Add Cut/Copy/Paste items to IDLE right click Context Menu. Patch by Todd +Rovito. + +.. + +.. bpo: 16123 +.. date: 8170 +.. nonce: btKEXc +.. section: IDLE + +IDLE - deprecate running without a subprocess. Patch by Roger Serwy. + +.. + +.. bpo: 1666318 +.. date: 8169 +.. nonce: OPrK2i +.. section: Tests + +Add a test that shutil.copytree() retains directory permissions. Patch by +Catherine Devlin. + +.. + +.. bpo: 18273 +.. date: 8168 +.. nonce: t4fyCm +.. section: Tests + +move the tests in Lib/test/json_tests to Lib/test/test_json and make them +discoverable by unittest. Patch by Zachary Ware. + +.. + +.. bpo: 0 +.. date: 8167 +.. nonce: wExQ77 +.. section: Tests + +Fix a fcntl test case on KFreeBSD, Debian #708653 (Petr Salinger). + +.. + +.. bpo: 18396 +.. date: 8166 +.. nonce: 3gPC49 +.. section: Tests + +Fix spurious test failure in test_signal on Windows when faulthandler is +enabled (Patch by Jeremy Kloth) + +.. + +.. bpo: 17046 +.. date: 8165 +.. nonce: mQoh7R +.. section: Tests + +Fix broken test_executable_without_cwd in test_subprocess. + +.. + +.. bpo: 15415 +.. date: 8164 +.. nonce: u-UTrH +.. section: Tests + +Add new temp_dir() and change_cwd() context managers to test.support, and +refactor temp_cwd() to use them. Patch by Chris Jerdonek. + +.. + +.. bpo: 15494 +.. date: 8163 +.. nonce: 52m-vd +.. section: Tests + +test.support is now a package rather than a module (Initial patch by Indra +Talip) + +.. + +.. bpo: 17944 +.. date: 8162 +.. nonce: 6e9wcJ +.. section: Tests + +test_zipfile now discoverable and uses subclassing to generate tests for +different compression types. Fixed a bug with skipping some tests due to +use of exhausted iterators. + +.. + +.. bpo: 18266 +.. date: 8161 +.. nonce: Fs0fT4 +.. section: Tests + +test_largefile now works with unittest test discovery and supports running +only selected tests. Patch by Zachary Ware. + +.. + +.. bpo: 17767 +.. date: 8160 +.. nonce: rObwV7 +.. section: Tests + +test_locale now works with unittest test discovery. Original patch by +Zachary Ware. + +.. + +.. bpo: 18375 +.. date: 8159 +.. nonce: yMrtSQ +.. section: Tests + +Assume --randomize when --randseed is used for running the testsuite. + +.. + +.. bpo: 11185 +.. date: 8158 +.. nonce: McIHeT +.. section: Tests + +Fix test_wait4 under AIX. Patch by Sébastien Sablé. + +.. + +.. bpo: 18207 +.. date: 8157 +.. nonce: QN93aB +.. section: Tests + +Fix test_ssl for some versions of OpenSSL that ignore seconds in ASN1_TIME +fields. + +.. + +.. bpo: 18094 +.. date: 8156 +.. nonce: EDwnjd +.. section: Tests + +test_uuid no longer reports skipped tests as passed. + +.. + +.. bpo: 17992 +.. date: 8155 +.. nonce: UQQWYc +.. section: Tests + +Add timeouts to asyncore and asynchat tests so that they won't accidentally +hang. + +.. + +.. bpo: 17833 +.. date: 8154 +.. nonce: AqQAlk +.. section: Tests + +Fix test_gdb failures seen on machines where debug symbols for glibc are +available (seen on PPC64 Linux). + +.. + +.. bpo: 7855 +.. date: 8153 +.. nonce: ZbX91d +.. section: Tests + +Add tests for ctypes/winreg for issues found in IronPython. Initial patch by +Dino Viehland. + +.. + +.. bpo: 11078 +.. date: 8152 +.. nonce: TuZjxB +.. section: Tests + +test___all__ now checks for duplicates in __all__. Initial patch by R. David +Murray. + +.. + +.. bpo: 17712 +.. date: 8151 +.. nonce: RqkHUB +.. section: Tests + +Fix test_gdb failures on Ubuntu 13.04. + +.. + +.. bpo: 17835 +.. date: 8150 +.. nonce: mJdR71 +.. section: Tests + +Fix test_io when the default OS pipe buffer size is larger than one million +bytes. + +.. + +.. bpo: 17065 +.. date: 8149 +.. nonce: rql8lF +.. section: Tests + +Use process-unique key for winreg tests to avoid failures if test is run +multiple times in parallel (eg: on a buildbot host). + +.. + +.. bpo: 12820 +.. date: 8148 +.. nonce: HATljf +.. section: Tests + +add tests for the xml.dom.minicompat module. Patch by John Chandler and Phil +Connell. + +.. + +.. bpo: 17691 +.. date: 8147 +.. nonce: KHFcyE +.. section: Tests + +test_univnewlines now works with unittest test discovery. Patch by Zachary +Ware. + +.. + +.. bpo: 17790 +.. date: 8146 +.. nonce: JJXcrD +.. section: Tests + +test_set now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 17789 +.. date: 8145 +.. nonce: ILUl9_ +.. section: Tests + +test_random now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 17779 +.. date: 8144 +.. nonce: f61EJr +.. section: Tests + +test_osx_env now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 17766 +.. date: 8143 +.. nonce: fGhYwN +.. section: Tests + +test_iterlen now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 17690 +.. date: 8142 +.. nonce: Tm3Owh +.. section: Tests + +test_time now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 17692 +.. date: 8141 +.. nonce: 6eSLWJ +.. section: Tests + +test_sqlite now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 11995 +.. date: 8140 +.. nonce: varfN1 +.. section: Tests + +test_pydoc doesn't import all sys.path modules anymore. + +.. + +.. bpo: 17448 +.. date: 8139 +.. nonce: E2kxQS +.. section: Tests + +test_sax now skips if there are no xml parsers available instead of raising +an ImportError. + +.. + +.. bpo: 11420 +.. date: 8138 +.. nonce: J5oaxT +.. section: Tests + +make test suite pass with -B/DONTWRITEBYTECODE set. Initial patch by Thomas +Wouters. + +.. + +.. bpo: 10652 +.. date: 8137 +.. nonce: hWhWD_ +.. section: Tests + +make tcl/tk tests run after __all__ test, patch by Zachary Ware. + +.. + +.. bpo: 11963 +.. date: 8136 +.. nonce: _g8d_g +.. section: Tests + +remove human verification from test_parser and test_subprocess. + +.. + +.. bpo: 11732 +.. date: 8135 +.. nonce: c8z-Dq +.. section: Tests + +add a new suppress_crash_popup() context manager to test.support that +disables crash popups on Windows and use it in test_faulthandler and +test_capi. + +.. + +.. bpo: 13898 +.. date: 8134 +.. nonce: HeB5Ep +.. section: Tests + +test_ssl no longer prints a spurious stack trace on Ubuntu. + +.. + +.. bpo: 17283 +.. date: 8133 +.. nonce: rDD37m +.. section: Tests + +Share code between `__main__.py` and `regrtest.py` in `Lib/test`. + +.. + +.. bpo: 17249 +.. date: 8132 +.. nonce: wGvw7G +.. section: Tests + +convert a test in test_capi to use unittest and reap threads. + +.. + +.. bpo: 17107 +.. date: 8131 +.. nonce: rQeSWM +.. section: Tests + +Test client-side SNI support in urllib.request thanks to the new server-side +SNI support in the ssl module. Initial patch by Daniel Black. + +.. + +.. bpo: 17041 +.. date: 8130 +.. nonce: QNrBhm +.. section: Tests + +Fix testing when Python is configured with the --without-doc-strings. + +.. + +.. bpo: 16923 +.. date: 8129 +.. nonce: gK2bSh +.. section: Tests + +Fix ResourceWarnings in test_ssl. + +.. + +.. bpo: 15539 +.. date: 8128 +.. nonce: a1_G0Q +.. section: Tests + +Added regression tests for Tools/scripts/pindent.py. + +.. + +.. bpo: 17479 +.. date: 8127 +.. nonce: e2vj2q +.. section: Tests + +test_io now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 17066 +.. date: 8126 +.. nonce: 6axkCO +.. section: Tests + +test_robotparser now works with unittest test discovery. Patch by Zachary +Ware. + +.. + +.. bpo: 17334 +.. date: 8125 +.. nonce: hOeO8N +.. section: Tests + +test_index now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 17333 +.. date: 8124 +.. nonce: wKzaNc +.. section: Tests + +test_imaplib now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 17082 +.. date: 8123 +.. nonce: B-o8aq +.. section: Tests + +test_dbm* now work with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 17079 +.. date: 8122 +.. nonce: Uz1Ysh +.. section: Tests + +test_ctypes now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 17304 +.. date: 8121 +.. nonce: HUHsX_ +.. section: Tests + +test_hash now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 17303 +.. date: 8120 +.. nonce: TGUnon +.. section: Tests + +test_future* now work with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 17163 +.. date: 8119 +.. nonce: RtwHDs +.. section: Tests + +test_file now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 16925 +.. date: 8118 +.. nonce: SMQSIJ +.. section: Tests + +test_configparser now works with unittest test discovery. Patch by Zachary +Ware. + +.. + +.. bpo: 16918 +.. date: 8117 +.. nonce: Dw6bfJ +.. section: Tests + +test_codecs now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 16919 +.. date: 8116 +.. nonce: RD7mec +.. section: Tests + +test_crypt now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 16910 +.. date: 8115 +.. nonce: awigr8 +.. section: Tests + +test_bytes, test_unicode, and test_userstring now work with unittest test +discovery. Patch by Zachary Ware. + +.. + +.. bpo: 16905 +.. date: 8114 +.. nonce: 8SuIFn +.. section: Tests + +test_warnings now works with unittest test discovery. Initial patch by +Berker Peksag. + +.. + +.. bpo: 16898 +.. date: 8113 +.. nonce: 1pNH58 +.. section: Tests + +test_bufio now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 16888 +.. date: 8112 +.. nonce: yWvMUM +.. section: Tests + +test_array now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 16896 +.. date: 8111 +.. nonce: 8uLSFW +.. section: Tests + +test_asyncore now works with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 16897 +.. date: 8110 +.. nonce: aEwG-R +.. section: Tests + +test_bisect now works with unittest test discovery. Initial patch by Zachary +Ware. + +.. + +.. bpo: 16852 +.. date: 8109 +.. nonce: z4zef9 +.. section: Tests + +test_genericpath, test_posixpath, test_ntpath, and test_macpath now work +with unittest test discovery. Patch by Zachary Ware. + +.. + +.. bpo: 16748 +.. date: 8108 +.. nonce: 74HpRw +.. section: Tests + +test_heapq now works with unittest test discovery. + +.. + +.. bpo: 10646 +.. date: 8107 +.. nonce: -n9wSX +.. section: Tests + +Tests rearranged for os.samefile/samestat to check for not just symlinks but +also hard links. + +.. + +.. bpo: 15302 +.. date: 8106 +.. nonce: nohKYA +.. section: Tests + +Switch regrtest from using getopt to using argparse. + +.. + +.. bpo: 15324 +.. date: 8105 +.. nonce: mcS3I3 +.. section: Tests + +Fix regrtest parsing of --fromfile, --match, and --randomize options. + +.. + +.. bpo: 16702 +.. date: 8104 +.. nonce: 3Xf_t- +.. section: Tests + +test_urllib2_localnet tests now correctly ignores proxies for localhost +tests. + +.. + +.. bpo: 16664 +.. date: 8103 +.. nonce: CxbZwX +.. section: Tests + +Add regression tests for glob's behaviour concerning entries starting with a +".". Patch by Sebastian Kreft. + +.. + +.. bpo: 13390 +.. date: 8102 +.. nonce: CRkOlc +.. section: Tests + +The ``-R`` option to regrtest now also checks for memory allocation leaks, +using :func:`sys.getallocatedblocks()`. + +.. + +.. bpo: 16559 +.. date: 8101 +.. nonce: JvxWbq +.. section: Tests + +Add more tests for the json module, including some from the official test +suite at json.org. Patch by Serhiy Storchaka. + +.. + +.. bpo: 16661 +.. date: 8100 +.. nonce: Qn2hnC +.. section: Tests + +Fix the `os.getgrouplist()` test by not assuming that it gives the same +output as :command:`id -G`. + +.. + +.. bpo: 16115 +.. date: 8099 +.. nonce: vhK6oh +.. section: Tests + +Add some tests for the executable argument to subprocess.Popen(). Initial +patch by Kushal Das. + +.. + +.. bpo: 16126 +.. date: 8098 +.. nonce: blh5K0 +.. section: Tests + +PyErr_Format format mismatch in _testcapimodule.c. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 15304 +.. date: 8097 +.. nonce: DhyMtI +.. section: Tests + +Fix warning message when `os.chdir()` fails inside +`test.support.temp_cwd()`. Patch by Chris Jerdonek. + +.. + +.. bpo: 15802 +.. date: 8096 +.. nonce: 1duwD4 +.. section: Tests + +Fix test logic in `TestMaildir.test_create_tmp()`. Patch by Serhiy +Storchaka. + +.. + +.. bpo: 15557 +.. date: 8095 +.. nonce: H9Mhea +.. section: Tests + +Added a test suite for the webbrowser module, thanks to Anton Barkovsky. + +.. + +.. bpo: 16698 +.. date: 8094 +.. nonce: RgmYjY +.. section: Tests + +Skip posix test_getgroups when built with OS X deployment target prior to +10.6. + +.. + +.. bpo: 16067 +.. date: 8093 +.. nonce: A9L5PU +.. section: Build + +Add description into MSI file to replace installer's temporary name. + +.. + +.. bpo: 18257 +.. date: 8092 +.. nonce: E-TNPc +.. section: Build + +Fix readlink usage in python-config. Install the python version again on +Darwin. + +.. + +.. bpo: 18481 +.. date: 8091 +.. nonce: Is1C3p +.. section: Build + +Add C coverage reporting with gcov and lcov. A new make target "coverage- +report" creates an instrumented Python build, runs unit tests and creates a +HTML. The report can be updated with "make coverage-lcov". + +.. + +.. bpo: 17845 +.. date: 8090 +.. nonce: kMmKYt +.. section: Build + +Clarified the message printed when some module are not built. + +.. + +.. bpo: 18256 +.. date: 8089 +.. nonce: PiEkYT +.. section: Build + +Compilation fix for recent AIX releases. Patch by David Edelsohn. + +.. + +.. bpo: 17547 +.. date: 8088 +.. nonce: yVllRd +.. section: Build + +In configure, explicitly pass -Wformat for the benefit for GCC 4.8. + +.. + +.. bpo: 15172 +.. date: 8087 +.. nonce: CpJRf2 +.. section: Build + +Document NASM 2.10+ as requirement for building OpenSSL 1.0.1 on Windows. + +.. + +.. bpo: 17591 +.. date: 8086 +.. nonce: e9az4p +.. section: Build + +Use lowercase filenames when including Windows header files. Patch by Roumen +Petrov. + +.. + +.. bpo: 17550 +.. date: 8085 +.. nonce: zn8gOk +.. section: Build + +Fix the --enable-profiling configure switch. + +.. + +.. bpo: 17425 +.. date: 8084 +.. nonce: Ix2fQh +.. section: Build + +Build with openssl 1.0.1d on Windows. + +.. + +.. bpo: 16754 +.. date: 8083 +.. nonce: fLN-7H +.. section: Build + +Fix the incorrect shared library extension on linux. Introduce two makefile +macros SHLIB_SUFFIX and EXT_SUFFIX. SO now has the value of SHLIB_SUFFIX +again (as in 2.x and 3.1). The SO macro is removed in 3.4. + +.. + +.. bpo: 5033 +.. date: 8082 +.. nonce: HKAgDA +.. section: Build + +Fix building of the sqlite3 extension module when the SQLite library version +has "beta" in it. Patch by Andreas Pelme. + +.. + +.. bpo: 17228 +.. date: 8081 +.. nonce: CCkAM0 +.. section: Build + +Fix building without pymalloc. + +.. + +.. bpo: 3718 +.. date: 8080 +.. nonce: n6-Cv2 +.. section: Build + +Use AC_ARG_VAR to set MACHDEP in configure.ac. + +.. + +.. bpo: 16235 +.. date: 8079 +.. nonce: u8Yi12 +.. section: Build + +Implement python-config as a shell script. + +.. + +.. bpo: 16769 +.. date: 8078 +.. nonce: bK11Wq +.. section: Build + +Remove outdated Visual Studio projects. + +.. + +.. bpo: 17031 +.. date: 8077 +.. nonce: 947KBS +.. section: Build + +Fix running regen in cross builds. + +.. + +.. bpo: 3754 +.. date: 8076 +.. nonce: sUdOUp +.. section: Build + +fix typo in pthread AC_CACHE_VAL. + +.. + +.. bpo: 15484 +.. date: 8075 +.. nonce: CgA5fS +.. section: Build + +Fix _PYTHON_PROJECT_BASE for srcdir != builddir builds; use +_PYTHON_PROJECT_BASE in distutils/sysconfig.py. + +.. + +.. bpo: 0 +.. date: 8074 +.. nonce: eLqyZu +.. section: Build + +Drop support for Windows 2000 (changeset e52df05b496a). + +.. + +.. bpo: 17029 +.. date: 8073 +.. nonce: dUd1NT +.. section: Build + +Let h2py search the multiarch system include directory. + +.. + +.. bpo: 16953 +.. date: 8072 +.. nonce: tW1KVY +.. section: Build + +Fix socket module compilation on platforms with HAVE_BROKEN_POLL. Patch by +Jeffrey Armstrong. + +.. + +.. bpo: 16320 +.. date: 8071 +.. nonce: wSizMv +.. section: Build + +Remove redundant Makefile dependencies for strings and bytes. + +.. + +.. bpo: 0 +.. date: 8070 +.. nonce: WRrrlF +.. section: Build + +Cross compiling needs host and build settings. configure no longer creates a +broken PYTHON_FOR_BUILD variable when --build is missing. + +.. + +.. bpo: 0 +.. date: 8069 +.. nonce: R2awqG +.. section: Build + +Fix cross compiling issue in setup.py, ensure that lib_dirs and inc_dirs are +defined in cross compiling mode, too. + +.. + +.. bpo: 16836 +.. date: 8068 +.. nonce: JZ-zO7 +.. section: Build + +Enable IPv6 support even if IPv6 is disabled on the build host. + +.. + +.. bpo: 16593 +.. date: 8067 +.. nonce: mS-VZr +.. section: Build + +Have BSD 'make -s' do the right thing, thanks to Daniel Shahaf + +.. + +.. bpo: 16262 +.. date: 8066 +.. nonce: puaCXo +.. section: Build + +fix out-of-src-tree builds, if mercurial is not installed. + +.. + +.. bpo: 15298 +.. date: 8065 +.. nonce: xiQHlO +.. section: Build + +ensure _sysconfigdata is generated in build directory, not source directory. + +.. + +.. bpo: 15833 +.. date: 8064 +.. nonce: tqz7oy +.. section: Build + +Fix a regression in 3.3 that resulted in exceptions being raised if +importlib failed to write byte-compiled files. This affected attempts to +build Python out-of-tree from a read-only source directory. + +.. + +.. bpo: 15923 +.. date: 8063 +.. nonce: a2-GWK +.. section: Build + +Fix a mistake in ``asdl_c.py`` that resulted in a TypeError after +2801bf875a24 (see #15801). + +.. + +.. bpo: 16135 +.. date: 8062 +.. nonce: G5PgZc +.. section: Build + +Remove OS/2 support. + +.. + +.. bpo: 15819 +.. date: 8061 +.. nonce: VE2bTI +.. section: Build + +Make sure we can build Python out-of-tree from a read-only source directory. +(Somewhat related to issue #9860.) + +.. + +.. bpo: 15587 +.. date: 8060 +.. nonce: gR7vei +.. section: Build + +Enable Tk high-resolution text rendering on Macs with Retina displays. +Applies to Tkinter apps, such as IDLE, on OS X framework builds linked with +Cocoa Tk 8.5. + +.. + +.. bpo: 17161 +.. date: 8059 +.. nonce: AT7PDZ +.. section: Build + +make install now also installs a python3 man page. + +.. + +.. bpo: 18351 +.. date: 8058 +.. nonce: pODT4P +.. section: C API + +Fix various issues in a function in importlib provided to help +PyImport_ExecCodeModuleWithPathnames() (and thus by extension +PyImport_ExecCodeModule() and PyImport_ExecCodeModuleEx()). + +.. + +.. bpo: 9369 +.. date: 8057 +.. nonce: z_ZQqc +.. section: C API + +The types of `char*` arguments of PyObject_CallFunction() and +PyObject_CallMethod() now changed to `const char*`. Based on patches by +Jörg Müller and Lars Buitinck. + +.. + +.. bpo: 17206 +.. date: 8056 +.. nonce: yljYPd +.. section: C API + +Py_CLEAR(), Py_DECREF(), Py_XINCREF() and Py_XDECREF() now expand their +arguments once instead of multiple times. Patch written by Illia +Polosukhin. + +.. + +.. bpo: 17522 +.. date: 8055 +.. nonce: 7R55LY +.. section: C API + +Add the PyGILState_Check() API. + +.. + +.. bpo: 17327 +.. date: 8054 +.. nonce: PVFW3J +.. section: C API + +Add PyDict_SetDefault. + +.. + +.. bpo: 16881 +.. date: 8053 +.. nonce: 8SMude +.. section: C API + +Fix Py_ARRAY_LENGTH macro for GCC < 3.1. + +.. + +.. bpo: 16505 +.. date: 8052 +.. nonce: NiEndF +.. section: C API + +Remove unused Py_TPFLAGS_INT_SUBCLASS. + +.. + +.. bpo: 16086 +.. date: 8051 +.. nonce: z-DFqk +.. section: C API + +PyTypeObject.tp_flags and PyType_Spec.flags are now unsigned (unsigned long +and unsigned int) to avoid an undefined behaviour with +Py_TPFLAGS_TYPE_SUBCLASS ((1 << 31). PyType_GetFlags() result type is now +unsigned too (unsigned long, instead of long). + +.. + +.. bpo: 16166 +.. date: 8050 +.. nonce: PDTSqL +.. section: C API + +Add PY_LITTLE_ENDIAN and PY_BIG_ENDIAN macros and unified endianness +detection and handling. + +.. + +.. bpo: 17701 +.. date: 8049 +.. nonce: FtTZ66 +.. section: Documentation + +Improving strftime documentation. + +.. + +.. bpo: 18440 +.. date: 8048 +.. nonce: LyvSOC +.. section: Documentation + +Clarify that `hash()` can truncate the value returned from an object's +custom `__hash__()` method. + +.. + +.. bpo: 17844 +.. date: 8047 +.. nonce: V3aWU6 +.. section: Documentation + +Add links to encoders and decoders for bytes-to-bytes codecs. + +.. + +.. bpo: 14097 +.. date: 8046 +.. nonce: xeOs59 +.. section: Documentation + +improve the "introduction" page of the tutorial. + +.. + +.. bpo: 17977 +.. date: 8045 +.. nonce: 5f6eWJ +.. section: Documentation + +The documentation for the cadefault argument's default value in +urllib.request.urlopen() is fixed to match the code. + +.. + +.. bpo: 6696 +.. date: 8044 +.. nonce: -aRVrf +.. section: Documentation + +add documentation for the Profile objects, and improve profile/cProfile +docs. Patch by Tom Pinckney. + +.. + +.. bpo: 15940 +.. date: 8043 +.. nonce: XL62xu +.. section: Documentation + +Specify effect of locale on time functions. + +.. + +.. bpo: 17538 +.. date: 8042 +.. nonce: M8FVLz +.. section: Documentation + +Document XML vulnerabilties + +.. + +.. bpo: 16642 +.. date: 8041 +.. nonce: Cee7KE +.. section: Documentation + +sched.scheduler timefunc initial default is time.monotonic. Patch by +Ramchandra Apte + +.. + +.. bpo: 17047 +.. date: 8040 +.. nonce: sVzpby +.. section: Documentation + +remove doubled words in docs and docstrings reported by Serhiy Storchaka and +Matthew Barnett. + +.. + +.. bpo: 15465 +.. date: 8039 +.. nonce: yN2tkV +.. section: Documentation + +Document the versioning macros in the C API docs rather than the standard +library docs. Patch by Kushal Das. + +.. + +.. bpo: 16406 +.. date: 8038 +.. nonce: Q6DEK3 +.. section: Documentation + +Combine the pages for uploading and registering to PyPI. + +.. + +.. bpo: 16403 +.. date: 8037 +.. nonce: wPuYgA +.. section: Documentation + +Document how distutils uses the maintainer field in PKG-INFO. Patch by Jyrki +Pulliainen. + +.. + +.. bpo: 16695 +.. date: 8036 +.. nonce: O3-q4k +.. section: Documentation + +Document how glob handles filenames starting with a dot. Initial patch by +Jyrki Pulliainen. + +.. + +.. bpo: 8890 +.. date: 8035 +.. nonce: ldKgWT +.. section: Documentation + +Stop advertising an insecure practice by replacing uses of the /tmp +directory with better alternatives in the documentation. Patch by Geoff +Wilson. + +.. + +.. bpo: 17203 +.. date: 8034 +.. nonce: b42JWx +.. section: Documentation + +add long option names to unittest discovery docs. + +.. + +.. bpo: 13094 +.. date: 8033 +.. nonce: ujdNxz +.. section: Documentation + +add "Why do lambdas defined in a loop with different values all return the +same result?" programming FAQ. + +.. + +.. bpo: 14901 +.. date: 8032 +.. nonce: o_thZo +.. section: Documentation + +Update portions of the Windows FAQ. Patch by Ashish Nitin Patil. + +.. + +.. bpo: 16267 +.. date: 8031 +.. nonce: SSKvue +.. section: Documentation + +Better document the 3.3+ approach to combining @abstractmethod with +@staticmethod, @classmethod and @property + +.. + +.. bpo: 15209 +.. date: 8030 +.. nonce: w1UuQK +.. section: Documentation + +Clarify exception chaining description in exceptions module documentation + +.. + +.. bpo: 15990 +.. date: 8029 +.. nonce: 41C5_M +.. section: Documentation + +Improve argument/parameter documentation. + +.. + +.. bpo: 16209 +.. date: 8028 +.. nonce: 8-hM8N +.. section: Documentation + +Move the documentation for the str built-in function to a new str class +entry in the "Text Sequence Type" section. + +.. + +.. bpo: 13538 +.. date: 8027 +.. nonce: 6bfAto +.. section: Documentation + +Improve str() and object.__str__() documentation. + +.. + +.. bpo: 16489 +.. date: 8026 +.. nonce: N4Xo3- +.. section: Documentation + +Make it clearer that importlib.find_loader() needs parent packages to be +explicitly imported. + +.. + +.. bpo: 16400 +.. date: 8025 +.. nonce: kDLZRV +.. section: Documentation + +Update the description of which versions of a given package PyPI displays. + +.. + +.. bpo: 15677 +.. date: 8024 +.. nonce: _0vY-h +.. section: Documentation + +Document that zlib and gzip accept a compression level of 0 to mean 'no +compression'. Patch by Brian Brazil. + +.. + +.. bpo: 16197 +.. date: 8023 +.. nonce: LT1sjI +.. section: Documentation + +Update winreg docstrings and documentation to match code. Patch by Zachary +Ware. + +.. + +.. bpo: 8040 +.. date: 8022 +.. nonce: R8VAys +.. section: Documentation + +added a version switcher to the documentation. Patch by Yury Selivanov. + +.. + +.. bpo: 16241 +.. date: 8021 +.. nonce: LfdE7f +.. section: Documentation + +Document -X faulthandler command line option. Patch by Marek Šuppa. + +.. + +.. bpo: 0 +.. date: 8020 +.. nonce: tWKgrg +.. section: Documentation + +Additional comments and some style changes in the concurrent.futures URL +retrieval example + +.. + +.. bpo: 16115 +.. date: 8019 +.. nonce: Ba1MH_ +.. section: Documentation + +Improve subprocess.Popen() documentation around args, shell, and executable +arguments. + +.. + +.. bpo: 13498 +.. date: 8018 +.. nonce: LI0aQ4 +.. section: Documentation + +Clarify docs of os.makedirs()'s exist_ok argument. Done with great native- +speaker help from R. David Murray. + +.. + +.. bpo: 15533 +.. date: 8017 +.. nonce: oRcsqW +.. section: Documentation + +Clarify docs and add tests for `subprocess.Popen()`'s cwd argument. + +.. + +.. bpo: 15979 +.. date: 8016 +.. nonce: UATtRZ +.. section: Documentation + +Improve timeit documentation. + +.. + +.. bpo: 16036 +.. date: 8015 +.. nonce: ITDZx_ +.. section: Documentation + +Improve documentation of built-in `int()`'s signature and arguments. + +.. + +.. bpo: 15935 +.. date: 8014 +.. nonce: 49QYHM +.. section: Documentation + +Clarification of `argparse` docs, re: add_argument() type and default +arguments. Patch contributed by Chris Jerdonek. + +.. + +.. bpo: 11964 +.. date: 8013 +.. nonce: TswBww +.. section: Documentation + +Document a change in v3.2 to the behavior of the indent parameter of json +encoding operations. + +.. + +.. bpo: 15116 +.. date: 8012 +.. nonce: uDQI_8 +.. section: Documentation + +Remove references to appscript as it is no longer being supported. + +.. + +.. bpo: 18817 +.. date: 8011 +.. nonce: b4b2nk +.. section: Tools/Demos + +Fix a resource warning in Lib/aifc.py demo. Patch by Vajrasky Kok. + +.. + +.. bpo: 18439 +.. date: 8010 +.. nonce: W9DxeL +.. section: Tools/Demos + +Make patchcheck work on Windows for ACKS, NEWS. + +.. + +.. bpo: 18448 +.. date: 8009 +.. nonce: eLT81k +.. section: Tools/Demos + +Fix a typo in Tools/demo/eiffel.py. + +.. + +.. bpo: 18457 +.. date: 8008 +.. nonce: fTGIAR +.. section: Tools/Demos + +Fixed saving of formulas and complex numbers in Tools/demo/ss1.py. + +.. + +.. bpo: 18449 +.. date: 8007 +.. nonce: ufcaWC +.. section: Tools/Demos + +Make Tools/demo/ss1.py work again on Python 3. Patch by Févry Thibault. + +.. + +.. bpo: 12990 +.. date: 8006 +.. nonce: E1geL- +.. section: Tools/Demos + +The "Python Launcher" on OSX could not launch python scripts that have paths +that include wide characters. + +.. + +.. bpo: 15239 +.. date: 8005 +.. nonce: uzPBlK +.. section: Tools/Demos + +Make mkstringprep.py work again on Python 3. + +.. + +.. bpo: 17028 +.. date: 8004 +.. nonce: d0Ryfg +.. section: Tools/Demos + +Allowed Python arguments to be supplied to the Windows launcher. + +.. + +.. bpo: 17156 +.. date: 8003 +.. nonce: zmokst +.. section: Tools/Demos + +pygettext.py now detects the encoding of source files and correctly writes +and escapes non-ascii characters. + +.. + +.. bpo: 15539 +.. date: 8002 +.. nonce: 6bqqV- +.. section: Tools/Demos + +Fix a number of bugs in Tools/scripts/pindent.py. Now pindent.py works with +a "with" statement. pindent.py no longer produces improper indentation. +pindent.py now works with continued lines broken after "class" or "def" +keywords and with continuations at the start of line. + +.. + +.. bpo: 11797 +.. date: 8001 +.. nonce: 2UOmWr +.. section: Tools/Demos + +Add a 2to3 fixer that maps reload() to imp.reload(). + +.. + +.. bpo: 10966 +.. date: 8000 +.. nonce: WsfpDc +.. section: Tools/Demos + +Remove the concept of unexpected skipped tests. + +.. + +.. bpo: 9893 +.. date: 7999 +.. nonce: pJeYiB +.. section: Tools/Demos + +Removed the Misc/Vim directory. + +.. + +.. bpo: 0 +.. date: 7998 +.. nonce: mdt8FR +.. section: Tools/Demos + +Removed the Misc/TextMate directory. + +.. + +.. bpo: 16245 +.. date: 7997 +.. nonce: eZNpI- +.. section: Tools/Demos + +Add the Tools/scripts/parse_html5_entities.py script to parse the list of +HTML5 entities and update the html.entities.html5 dictionary. + +.. + +.. bpo: 15378 +.. date: 7996 +.. nonce: IO1T92 +.. section: Tools/Demos + +Fix Tools/unicode/comparecodecs.py. Patch by Serhiy Storchaka. + +.. + +.. bpo: 16549 +.. date: 7995 +.. nonce: 2Pj5iC +.. section: Tools/Demos + +Make json.tool work again on Python 3 and add tests. Initial patch by Berker +Peksag and Serhiy Storchaka. + +.. + +.. bpo: 13301 +.. date: 7994 +.. nonce: A4WOk5 +.. section: Tools/Demos + +use ast.literal_eval() instead of eval() in Tools/i18n/msgfmt.py. Patch by +Serhiy Storchaka. + +.. + +.. bpo: 18569 +.. date: 7993 +.. nonce: 0L-xR0 +.. section: Windows + +The installer now adds .py to the PATHEXT variable when extensions are +registered. Patch by Paul Moore. diff --git a/Misc/NEWS.d/3.4.0a2.rst b/Misc/NEWS.d/3.4.0a2.rst new file mode 100644 index 000000000000..782283506c98 --- /dev/null +++ b/Misc/NEWS.d/3.4.0a2.rst @@ -0,0 +1,788 @@ +.. bpo: 18942 +.. date: 8814 +.. nonce: xpMQx7 +.. release date: 2013-09-09 +.. section: Core and Builtins + +sys._debugmallocstats() output was damaged on Windows. + +.. + +.. bpo: 18571 +.. date: 8813 +.. nonce: hvNoE2 +.. section: Core and Builtins + +Implementation of the PEP 446: file descriptors and file handles are now +created non-inheritable; add functions os.get/set_inheritable(), +os.get/set_handle_inheritable() and socket.socket.get/set_inheritable(). + +.. + +.. bpo: 11619 +.. date: 8812 +.. nonce: r2uijI +.. section: Core and Builtins + +The parser and the import machinery do not encode Unicode filenames anymore +on Windows. + +.. + +.. bpo: 18808 +.. date: 8811 +.. nonce: DicDIV +.. section: Core and Builtins + +Non-daemon threads are now automatically joined when a sub-interpreter is +shutdown (it would previously dump a fatal error). + +.. + +.. bpo: 0 +.. date: 8810 +.. nonce: FDR7CW +.. section: Core and Builtins + +Remove support for compiling on systems without getcwd(). + +.. + +.. bpo: 18774 +.. date: 8809 +.. nonce: 4hnKQ1 +.. section: Core and Builtins + +Remove last bits of GNU PTH thread code and thread_pth.h. + +.. + +.. bpo: 18771 +.. date: 8808 +.. nonce: gPhE3D +.. section: Core and Builtins + +Add optimization to set object lookups to reduce the cost of hash +collisions. The core idea is to inspect a second key/hash pair for each +cache line retrieved. + +.. + +.. bpo: 16105 +.. date: 8807 +.. nonce: L1PWWk +.. section: Core and Builtins + +When a signal handler fails to write to the file descriptor registered with +``signal.set_wakeup_fd()``, report an exception instead of ignoring the +error. + +.. + +.. bpo: 18722 +.. date: 8806 +.. nonce: 6O_dyg +.. section: Core and Builtins + +Remove uses of the "register" keyword in C code. + +.. + +.. bpo: 18667 +.. date: 8805 +.. nonce: xycqzn +.. section: Core and Builtins + +Add missing "HAVE_FCHOWNAT" symbol to posix._have_functions. + +.. + +.. bpo: 16499 +.. date: 8804 +.. nonce: BoV9L7 +.. section: Core and Builtins + +Add command line option for isolated mode. + +.. + +.. bpo: 15301 +.. date: 8803 +.. nonce: rov_YS +.. section: Core and Builtins + +Parsing fd, uid, and gid parameters for builtins in Modules/posixmodule.c is +now far more robust. + +.. + +.. bpo: 18368 +.. date: 8802 +.. nonce: eZ-IVt +.. section: Core and Builtins + +PyOS_StdioReadline() no longer leaks memory when realloc() fail. + +.. + +.. bpo: 17934 +.. date: 8801 +.. nonce: R2hCWw +.. section: Core and Builtins + +Add a clear() method to frame objects, to help clean up expensive details +(local variables) and break reference cycles. + +.. + +.. bpo: 18780 +.. date: 8800 +.. nonce: cRO6Nc +.. section: Core and Builtins + +%-formatting codes %d, %i, and %u now treat int-subclasses as int (displays +value of int-subclass instead of str(int-subclass) ). + +.. + +.. bpo: 18808 +.. date: 8799 +.. nonce: rKe4pf +.. section: Library + +Thread.join() now waits for the underlying thread state to be destroyed +before returning. This prevents unpredictable aborts in Py_EndInterpreter() +when some non-daemon threads are still running. + +.. + +.. bpo: 18458 +.. date: 8798 +.. nonce: XphzAu +.. section: Library + +Prevent crashes with newer versions of libedit. Its readline emulation has +changed from 0-based indexing to 1-based like gnu readline. + +.. + +.. bpo: 18852 +.. date: 8797 +.. nonce: x1dLH9 +.. section: Library + +Handle case of ``readline.__doc__`` being ``None`` in the new readline +activation code in ``site.py``. + +.. + +.. bpo: 18672 +.. date: 8796 +.. nonce: CIblDh +.. section: Library + +Fixed format specifiers for Py_ssize_t in debugging output in the _sre +module. + +.. + +.. bpo: 18830 +.. date: 8795 +.. nonce: 1kmGPa +.. section: Library + +inspect.getclasstree() no longer produces duplicate entries even when input +list contains duplicates. + +.. + +.. bpo: 18878 +.. date: 8794 +.. nonce: VuQM8h +.. section: Library + +sunau.open now supports the context management protocol. Based on patches +by Claudiu Popa and R. David Murray. + +.. + +.. bpo: 18909 +.. date: 8793 +.. nonce: XSu98N +.. section: Library + +Fix _tkinter.tkapp.interpaddr() on Windows 64-bit, don't cast 64-bit pointer +to long (32 bits). + +.. + +.. bpo: 18876 +.. date: 8792 +.. nonce: 30Ist9 +.. section: Library + +The FileIO.mode attribute now better reflects the actual mode under which +the file was opened. Patch by Erik Bray. + +.. + +.. bpo: 16853 +.. date: 8791 +.. nonce: HyyMyr +.. section: Library + +Add new selectors module. + +.. + +.. bpo: 18882 +.. date: 8790 +.. nonce: Z9cjmU +.. section: Library + +Add threading.main_thread() function. + +.. + +.. bpo: 18901 +.. date: 8789 +.. nonce: CRT02s +.. section: Library + +The sunau getparams method now returns a namedtuple rather than a plain +tuple. Patch by Claudiu Popa. + +.. + +.. bpo: 17487 +.. date: 8788 +.. nonce: EziBDf +.. section: Library + +The result of the wave getparams method now is pickleable again. Patch by +Claudiu Popa. + +.. + +.. bpo: 18756 +.. date: 8787 +.. nonce: DS8ILK +.. section: Library + +os.urandom() now uses a lazily-opened persistent file descriptor, so as to +avoid using many file descriptors when run in parallel from multiple +threads. + +.. + +.. bpo: 18418 +.. date: 8786 +.. nonce: _SFG8w +.. section: Library + +After fork(), reinit all threads states, not only active ones. Patch by A. +Jesse Jiryu Davis. + +.. + +.. bpo: 17974 +.. date: 8785 +.. nonce: mo7MP0 +.. section: Library + +Switch unittest from using getopt to using argparse. + +.. + +.. bpo: 11798 +.. date: 8784 +.. nonce: 0AnJcy +.. section: Library + +TestSuite now drops references to own tests after execution. + +.. + +.. bpo: 16611 +.. date: 8783 +.. nonce: aHrYR1 +.. section: Library + +http.cookie now correctly parses the 'secure' and 'httponly' cookie flags. + +.. + +.. bpo: 11973 +.. date: 8782 +.. nonce: uPtBvG +.. section: Library + +Fix a problem in kevent. The flags and fflags fields are now properly +handled as unsigned. + +.. + +.. bpo: 18807 +.. date: 8781 +.. nonce: TnD-vF +.. section: Library + +``pyvenv`` now takes a --copies argument allowing copies instead of symlinks +even where symlinks are available and the default. + +.. + +.. bpo: 18538 +.. date: 8780 +.. nonce: wuWw4M +.. section: Library + +``python -m dis`` now uses argparse for argument processing. Patch by +Michele Orrù. + +.. + +.. bpo: 18394 +.. date: 8779 +.. nonce: 6pOClT +.. section: Library + +Close cgi.FieldStorage's optional file. + +.. + +.. bpo: 17702 +.. date: 8778 +.. nonce: TDPIyM +.. section: Library + +On error, os.environb now suppresses the exception context when raising a +new KeyError with the original key. + +.. + +.. bpo: 16809 +.. date: 8777 +.. nonce: NrXQBx +.. section: Library + +Fixed some tkinter incompabilities with Tcl/Tk 8.6. + +.. + +.. bpo: 16809 +.. date: 8776 +.. nonce: WqSHdP +.. section: Library + +Tkinter's splitlist() and split() methods now accept Tcl_Obj argument. + +.. + +.. bpo: 18324 +.. date: 8775 +.. nonce: 0vkj_r +.. section: Library + +set_payload now correctly handles binary input. This also supersedes the +previous fixes for #14360, #1717, and #16564. + +.. + +.. bpo: 18794 +.. date: 8774 +.. nonce: A0pB9X +.. section: Library + +Add a fileno() method and a closed attribute to select.devpoll objects. + +.. + +.. bpo: 17119 +.. date: 8773 +.. nonce: KfZ3-l +.. section: Library + +Fixed integer overflows when processing large strings and tuples in the +tkinter module. + +.. + +.. bpo: 18747 +.. date: 8772 +.. nonce: tPZkbG +.. section: Library + +Re-seed OpenSSL's pseudo-random number generator after fork. A +pthread_atfork() parent handler is used to seed the PRNG with pid, time and +some stack data. + +.. + +.. bpo: 8865 +.. date: 8771 +.. nonce: cKBSJh +.. section: Library + +Concurrent invocation of select.poll.poll() now raises a RuntimeError +exception. Patch by Christian Schubert. + +.. + +.. bpo: 18777 +.. date: 8770 +.. nonce: VLsjOw +.. section: Library + +The ssl module now uses the new CRYPTO_THREADID API of OpenSSL 1.0.0+ +instead of the deprecated CRYPTO id callback function. + +.. + +.. bpo: 18768 +.. date: 8769 +.. nonce: r3TSCo +.. section: Library + +Correct doc string of RAND_edg(). Patch by Vajrasky Kok. + +.. + +.. bpo: 18178 +.. date: 8768 +.. nonce: i4hnf- +.. section: Library + +Fix ctypes on BSD. dlmalloc.c was compiled twice which broke malloc weak +symbols. + +.. + +.. bpo: 18709 +.. date: 8767 +.. nonce: txXrAc +.. section: Library + +Fix CVE-2013-4238. The SSL module now handles NULL bytes inside +subjectAltName correctly. Formerly the module has used OpenSSL's +GENERAL_NAME_print() function to get the string represention of ASN.1 +strings for ``rfc822Name`` (email), ``dNSName`` (DNS) and +``uniformResourceIdentifier`` (URI). + +.. + +.. bpo: 18701 +.. date: 8766 +.. nonce: nlDK3r +.. section: Library + +Remove support of old CPython versions (<3.0) from C code. + +.. + +.. bpo: 18756 +.. date: 8765 +.. nonce: moRUfX +.. section: Library + +Improve error reporting in os.urandom() when the failure is due to something +else than /dev/urandom not existing (for example, exhausting the file +descriptor limit). + +.. + +.. bpo: 18673 +.. date: 8764 +.. nonce: fZ5WYI +.. section: Library + +Add O_TMPFILE to os module. O_TMPFILE requires Linux kernel 3.11 or newer. +It's only defined on system with 3.11 uapi headers, too. + +.. + +.. bpo: 18532 +.. date: 8763 +.. nonce: 2hh1ms +.. section: Library + +Change the builtin hash algorithms' names to lower case names as promised by +hashlib's documentation. + +.. + +.. bpo: 8713 +.. date: 8762 +.. nonce: BFXgYS +.. section: Library + +add new spwan and forkserver start methods, and new functions +get_all_start_methods, get_start_method, and set_start_method, to +multiprocessing. + +.. + +.. bpo: 18405 +.. date: 8761 +.. nonce: z6flbp +.. section: Library + +Improve the entropy of crypt.mksalt(). + +.. + +.. bpo: 12015 +.. date: 8760 +.. nonce: wImE9r +.. section: Library + +The tempfile module now uses a suffix of 8 random characters instead of 6, +to reduce the risk of filename collision. The entropy was reduced when +uppercase letters were removed from the charset used to generate random +characters. + +.. + +.. bpo: 18585 +.. date: 8759 +.. nonce: fooJpB +.. section: Library + +Add :func:`textwrap.shorten` to collapse and truncate a piece of text to a +given length. + +.. + +.. bpo: 18598 +.. date: 8758 +.. nonce: KRZlim +.. section: Library + +Tweak exception message for importlib.import_module() to include the module +name when a key argument is missing. + +.. + +.. bpo: 19151 +.. date: 8757 +.. nonce: 2MrIlH +.. section: Library + +Fix docstring and use of _get_supported_file_loaders() to reflect 2-tuples. + +.. + +.. bpo: 19152 +.. date: 8756 +.. nonce: 2VYxzU +.. section: Library + +Add ExtensionFileLoader.get_filename(). + +.. + +.. bpo: 18676 +.. date: 8755 +.. nonce: WAq1iB +.. section: Library + +Change 'positive' to 'non-negative' in queue.py put and get docstrings and +ValueError messages. Patch by Zhongyue Luo + +.. + +.. bpo: 0 +.. date: 8754 +.. nonce: Q7tLxE +.. section: Library + +Fix refcounting issue with extension types in tkinter. + +.. + +.. bpo: 8112 +.. date: 8753 +.. nonce: J4M-dG +.. section: Library + +xlmrpc.server's DocXMLRPCServer server no longer raises an error if methods +have annotations; it now correctly displays the annotations. + +.. + +.. bpo: 18600 +.. date: 8752 +.. nonce: lnNy-j +.. section: Library + +Added policy argument to email.message.Message.as_string, and as_bytes and +__bytes__ methods to Message. + +.. + +.. bpo: 18671 +.. date: 8751 +.. nonce: ip02-u +.. section: Library + +Output more information when logging exceptions occur. + +.. + +.. bpo: 18621 +.. date: 8750 +.. nonce: uGY0Dw +.. section: Library + +Prevent the site module's patched builtins from keeping too many references +alive for too long. + +.. + +.. bpo: 4885 +.. date: 8749 +.. nonce: tdRzg0 +.. section: Library + +Add weakref support to mmap objects. Patch by Valerie Lambert. + +.. + +.. bpo: 8860 +.. date: 8748 +.. nonce: g3CWcZ +.. section: Library + +Fixed rounding in timedelta constructor. + +.. + +.. bpo: 18849 +.. date: 8747 +.. nonce: Q0kF0R +.. section: Library + +Fixed a Windows-specific tempfile bug where collision with an existing +directory caused mkstemp and related APIs to fail instead of retrying. +Report and fix by Vlad Shcherbina. + +.. + +.. bpo: 18920 +.. date: 8746 +.. nonce: ymifXY +.. section: Library + +argparse's default destination for the version action (-v, --version) has +also been changed to stdout, to match the Python executable. + +.. + +.. bpo: 18623 +.. date: 8745 +.. nonce: ac3L1h +.. section: Tests + +Factor out the _SuppressCoreFiles context manager into test.support. Patch +by Valerie Lambert. + +.. + +.. bpo: 12037 +.. date: 8744 +.. nonce: pcCgBV +.. section: Tests + +Fix test_email for desktop Windows. + +.. + +.. bpo: 15507 +.. date: 8743 +.. nonce: 3_em_8 +.. section: Tests + +test_subprocess's test_send_signal could fail if the test runner were run in +an environment where the process inherited an ignore setting for SIGINT. +Restore the SIGINT handler to the desired KeyboardInterrupt raising one +during that test. + +.. + +.. bpo: 16799 +.. date: 8742 +.. nonce: Z_fDrt +.. section: Tests + +Switched from getopt to argparse style in regrtest's argument parsing. +Added more tests for regrtest's argument parsing. + +.. + +.. bpo: 18792 +.. date: 8741 +.. nonce: 5RkYdK +.. section: Tests + +Use "127.0.0.1" or "::1" instead of "localhost" as much as possible, since +"localhost" goes through a DNS lookup under recent Windows versions. + +.. + +.. bpo: 18489 +.. date: 8740 +.. nonce: nOvxOH +.. section: IDLE + +Add tests for SearchEngine. Original patch by Phil Webster. + +.. + +.. bpo: 18743 +.. date: 8739 +.. nonce: PXRtAK +.. section: Documentation + +Fix references to non-existant "StringIO" module. + +.. + +.. bpo: 18783 +.. date: 8738 +.. nonce: n5K5vI +.. section: Documentation + +Removed existing mentions of Python long type in docstrings, error messages +and comments. + +.. + +.. bpo: 1584 +.. date: 8737 +.. nonce: Lh1ZOs +.. section: Build + +Provide configure options to override default search paths for Tcl and Tk +when building _tkinter. + +.. + +.. bpo: 15663 +.. date: 8736 +.. nonce: VJKYGf +.. section: Build + +Tcl/Tk 8.5.14 is now included with the OS X 10.6+ 64-/32-bit installer. It +is no longer necessary to install a third-party version of Tcl/Tk 8.5 to +work around the problems in the Apple-supplied Tcl/Tk 8.5 shipped in OS X +10.6 and later releases. + +.. + +.. bpo: 18922 +.. date: 8735 +.. nonce: xCUCW0 +.. section: Tools/Demos + +Now The Lib/smtpd.py and Tools/i18n/msgfmt.py scripts write their version +strings to stdout, and not to sderr. diff --git a/Misc/NEWS.d/3.4.0a3.rst b/Misc/NEWS.d/3.4.0a3.rst new file mode 100644 index 000000000000..2f5b9667c6f1 --- /dev/null +++ b/Misc/NEWS.d/3.4.0a3.rst @@ -0,0 +1,283 @@ +.. bpo: 18818 +.. date: 8842 +.. nonce: fsZ51D +.. release date: 2013-09-29 +.. section: Core and Builtins + +The "encodingname" part of PYTHONIOENCODING is now optional. + +.. + +.. bpo: 19098 +.. date: 8841 +.. nonce: 5XU9uv +.. section: Core and Builtins + +Prevent overflow in the compiler when the recursion limit is set absurdly +high. + +.. + +.. bpo: 18929 +.. date: 8840 +.. nonce: xt9_At +.. section: Library + +`inspect.classify_class_attrs()` now correctly finds class attributes +returned by `dir()` that are located in the metaclass. + +.. + +.. bpo: 18950 +.. date: 8839 +.. nonce: DHn3qf +.. section: Library + +Fix miscellaneous bugs in the sunau module. Au_read.readframes() now updates +current file position and reads correct number of frames from multichannel +stream. Au_write.writeframesraw() now correctly updates current file +position. Au_read.getnframes() now returns an integer (as in Python 2). +Au_read and Au_write now correctly works with file object if start file +position is not a zero. + +.. + +.. bpo: 18594 +.. date: 8838 +.. nonce: Dm34qD +.. section: Library + +The fast path for collections.Counter() was never taken due to an over- +restrictive type check. + +.. + +.. bpo: 19053 +.. date: 8837 +.. nonce: DkcFZ8 +.. section: Library + +ZipExtFile.read1() with non-zero argument no more returns empty bytes until +end of data. + +.. + +.. bpo: 0 +.. date: 8836 +.. nonce: x-7joT +.. section: Library + +logging: added support for Unix domain sockets to SocketHandler and +DatagramHandler. + +.. + +.. bpo: 18996 +.. date: 8835 +.. nonce: 1Waotx +.. section: Library + +TestCase.assertEqual() now more cleverly shorten differing strings in error +report. + +.. + +.. bpo: 19034 +.. date: 8834 +.. nonce: S5MyMF +.. section: Library + +repr() for tkinter.Tcl_Obj now exposes string reperesentation. + +.. + +.. bpo: 18978 +.. date: 8833 +.. nonce: qyLkAY +.. section: Library + +``urllib.request.Request`` now allows the method to be indicated on the +class and no longer sets it to None in ``__init__``. + +.. + +.. bpo: 18626 +.. date: 8832 +.. nonce: X3HiU3 +.. section: Library + +the inspect module now offers a basic command line introspection interface +(Initial patch by Claudiu Popa) + +.. + +.. bpo: 3015 +.. date: 8831 +.. nonce: Db5Zwa +.. section: Library + +Fixed tkinter with wantobject=False. Any Tcl command call returned empty +string. + +.. + +.. bpo: 19037 +.. date: 8830 +.. nonce: OfBhoU +.. section: Library + +The mailbox module now makes all changes to maildir files before moving them +into place, to avoid race conditions with other programs that may be +accessing the maildir directory. + +.. + +.. bpo: 14984 +.. date: 8829 +.. nonce: iRbFp4 +.. section: Library + +On POSIX systems, when netrc is called without a filename argument (and +therefore is reading the user's $HOME/.netrc file), it now enforces the same +security rules as typical ftp clients: the .netrc file must be owned by the +user that owns the process and must not be readable by any other user. + +.. + +.. bpo: 18873 +.. date: 8828 +.. nonce: 3ezwXm +.. section: Library + +The tokenize module now detects Python source code encoding only in comment +lines. + +.. + +.. bpo: 17764 +.. date: 8827 +.. nonce: czuuKO +.. section: Library + +Enable http.server to bind to a user specified network interface. Patch +contributed by Malte Swart. + +.. + +.. bpo: 18937 +.. date: 8826 +.. nonce: bcvKgi +.. section: Library + +Add an assertLogs() context manager to unittest.TestCase to ensure that a +block of code emits a message using the logging module. + +.. + +.. bpo: 17324 +.. date: 8825 +.. nonce: 0PkOTi +.. section: Library + +Fix http.server's request handling case on trailing '/'. Patch contributed +by Vajrasky Kok. + +.. + +.. bpo: 19018 +.. date: 8824 +.. nonce: mntKOW +.. section: Library + +The heapq.merge() function no longer suppresses IndexError in the underlying +iterables. + +.. + +.. bpo: 18784 +.. date: 8823 +.. nonce: dtzGbX +.. section: Library + +The uuid module no longer attempts to load libc via ctypes.CDLL if all the +necessary functions have already been found in libuuid. Patch by Evgeny +Sologubov. + +.. + +.. bpo: 0 +.. date: 8822 +.. nonce: 22MCfN +.. section: Library + +The :envvar:`PYTHONFAULTHANDLER` environment variable now only enables the +faulthandler module if the variable is non-empty. Same behaviour than other +variables like :envvar:`PYTHONDONTWRITEBYTECODE`. + +.. + +.. bpo: 1565525 +.. date: 8821 +.. nonce: 0rVMB7 +.. section: Library + +New function ``traceback.clear_frames`` will clear the local variables of +all the stack frames referenced by a traceback object. + +.. + +.. bpo: 18952 +.. date: 8820 +.. nonce: ysovuf +.. section: Tests + +Fix regression in support data downloads introduced when test.support was +converted to a package. Regression noticed by Zachary Ware. + +.. + +.. bpo: 18873 +.. date: 8819 +.. nonce: dyLPY9 +.. section: IDLE + +IDLE now detects Python source code encoding only in comment lines. + +.. + +.. bpo: 18988 +.. date: 8818 +.. nonce: 6CpesW +.. section: IDLE + +The "Tab" key now works when a word is already autocompleted. + +.. + +.. bpo: 17003 +.. date: 8817 +.. nonce: eQGdny +.. section: Documentation + +Unified the size argument names in the io module with common practice. + +.. + +.. bpo: 18596 +.. date: 8816 +.. nonce: TMPNJZ +.. section: Build + +Support the use of address sanity checking in recent versions of clang and +GCC by appropriately marking known false alarms in the small object +allocator. Patch contributed by Dhiru Kholia. + +.. + +.. bpo: 18873 +.. date: 8815 +.. nonce: i_1Tf_ +.. section: Tools/Demos + +2to3 and the findnocoding.py script now detect Python source code encoding +only in comment lines. diff --git a/Misc/NEWS.d/3.4.0a4.rst b/Misc/NEWS.d/3.4.0a4.rst new file mode 100644 index 000000000000..586d3e676f96 --- /dev/null +++ b/Misc/NEWS.d/3.4.0a4.rst @@ -0,0 +1,659 @@ +.. bpo: 19301 +.. date: 8909 +.. nonce: xZv71d +.. release date: 2013-10-20 +.. section: Core and Builtins + +Give classes and functions that are explicitly marked global a global +qualname. + +.. + +.. bpo: 19279 +.. date: 8908 +.. nonce: VVzqJy +.. section: Core and Builtins + +UTF-7 decoder no longer produces illegal strings. + +.. + +.. bpo: 16612 +.. date: 8907 +.. nonce: 8bgX-E +.. section: Core and Builtins + +Add "Argument Clinic", a compile-time preprocessor for C files to generate +argument parsing code. (See PEP 436.) + +.. + +.. bpo: 18810 +.. date: 8906 +.. nonce: tQAzk_ +.. section: Core and Builtins + +Shift stat calls in importlib.machinery.FileFinder such that the code is +optimistic that if something exists in a directory named exactly like the +possible package being searched for that it's in actuality a directory. + +.. + +.. bpo: 18416 +.. date: 8905 +.. nonce: 5mWnIr +.. section: Core and Builtins + +importlib.machinery.PathFinder now treats '' as the cwd and +importlib.machinery.FileFinder no longer special-cases '' to '.'. This leads +to modules imported from cwd to now possess an absolute file path for +__file__ (this does not affect modules specified by path on the CLI but it +does affect -m/runpy). It also allows FileFinder to be more consistent by +not having an edge case. + +.. + +.. bpo: 4555 +.. date: 8904 +.. nonce: mOxiRO +.. section: Core and Builtins + +All exported C symbols are now prefixed with either "Py" or "_Py". + +.. + +.. bpo: 19219 +.. date: 8903 +.. nonce: _H8xTK +.. section: Core and Builtins + +Speed up marshal.loads(), and make pyc files slightly (5% to 10%) smaller. + +.. + +.. bpo: 19221 +.. date: 8902 +.. nonce: Y7d-d9 +.. section: Core and Builtins + +Upgrade Unicode database to version 6.3.0. + +.. + +.. bpo: 16742 +.. date: 8901 +.. nonce: vmmba7 +.. section: Core and Builtins + +The result of the C callback PyOS_ReadlineFunctionPointer must now be a +string allocated by PyMem_RawMalloc() or PyMem_RawRealloc() (or NULL if an +error occurred), instead of a string allocated by PyMem_Malloc() or +PyMem_Realloc(). + +.. + +.. bpo: 19199 +.. date: 8900 +.. nonce: HZHjaz +.. section: Core and Builtins + +Remove ``PyThreadState.tick_counter`` field + +.. + +.. bpo: 0 +.. date: 8899 +.. nonce: 5kIB0G +.. section: Core and Builtins + +Fix macro expansion of _PyErr_OCCURRED(), and make sure to use it in at +least one place so as to avoid regressions. + +.. + +.. bpo: 19087 +.. date: 8898 +.. nonce: gdUdnV +.. section: Core and Builtins + +Improve bytearray allocation in order to allow cheap popping of data at the +front (slice deletion). + +.. + +.. bpo: 19014 +.. date: 8897 +.. nonce: y4w-XY +.. section: Core and Builtins + +memoryview.cast() is now allowed on zero-length views. + +.. + +.. bpo: 18690 +.. date: 8896 +.. nonce: CS9avj +.. section: Core and Builtins + +memoryview is now automatically registered with collections.abc.Sequence + +.. + +.. bpo: 19078 +.. date: 8895 +.. nonce: PQhOCk +.. section: Core and Builtins + +memoryview now correctly supports the reversed builtin (Patch by Claudiu +Popa) + +.. + +.. bpo: 17457 +.. date: 8894 +.. nonce: TeaU1w +.. section: Library + +unittest test discovery now works with namespace packages. Patch by Claudiu +Popa. + +.. + +.. bpo: 18235 +.. date: 8893 +.. nonce: LdBO1h +.. section: Library + +Fix the sysconfig variables LDSHARED and BLDSHARED under AIX. Patch by David +Edelsohn. + +.. + +.. bpo: 18606 +.. date: 8892 +.. nonce: CIapUf +.. section: Library + +Add the new "statistics" module (PEP 450). Contributed by Steven D'Aprano. + +.. + +.. bpo: 12866 +.. date: 8891 +.. nonce: 7c7GGc +.. section: Library + +The audioop module now supports 24-bit samples. + +.. + +.. bpo: 19254 +.. date: 8890 +.. nonce: hq_ejm +.. section: Library + +Provide an optimized Python implementation of pbkdf2_hmac. + +.. + +.. bpo: 19201 +.. date: 8889 +.. nonce: OY6_PP +.. section: Library + +Add "x" mode (exclusive creation) in opening file to bz2, gzip and lzma +modules. Patches by Tim Heaney and Vajrasky Kok. (See also: bpo-19222, +bpo-19223) + +.. + +.. bpo: 0 +.. date: 8888 +.. nonce: dSKPsn +.. section: Library + +Fix a reference count leak in _sre. + +.. + +.. bpo: 19262 +.. date: 8887 +.. nonce: fNsTCq +.. section: Library + +Initial check in of the 'asyncio' package (a.k.a. Tulip, a.k.a. PEP 3156). +There are no docs yet, and the PEP is slightly out of date with the code. +This module will have *provisional* status in Python 3.4. + +.. + +.. bpo: 19276 +.. date: 8886 +.. nonce: Y69Qmv +.. section: Library + +Fixed the wave module on 64-bit big-endian platforms. + +.. + +.. bpo: 19266 +.. date: 8885 +.. nonce: an8EiY +.. section: Library + +Rename the new-in-3.4 ``contextlib.ignore`` context manager to +``contextlib.suppress`` in order to be more consistent with existing +descriptions of that operation elsewhere in the language and standard +library documentation (Patch by Zero Piraeus). + +.. + +.. bpo: 18891 +.. date: 8884 +.. nonce: 4TroDn +.. section: Library + +Completed the new email package (provisional) API additions by adding new +classes EmailMessage, MIMEPart, and ContentManager. + +.. + +.. bpo: 18281 +.. date: 8883 +.. nonce: 1FnfEW +.. section: Library + +Unused stat constants removed from `tarfile`. + +.. + +.. bpo: 18999 +.. date: 8882 +.. nonce: -2OZju +.. section: Library + +Multiprocessing now supports 'contexts' with the same API as the module, but +bound to specified start methods. + +.. + +.. bpo: 18468 +.. date: 8881 +.. nonce: 8a1TVz +.. section: Library + +The re.split, re.findall, and re.sub functions and the group() and groups() +methods of match object now always return a string or a bytes object. + +.. + +.. bpo: 18725 +.. date: 8880 +.. nonce: zkMEqo +.. section: Library + +The textwrap module now supports truncating multiline text. + +.. + +.. bpo: 18776 +.. date: 8879 +.. nonce: Y-0SKr +.. section: Library + +atexit callbacks now display their full traceback when they raise an +exception. + +.. + +.. bpo: 17827 +.. date: 8878 +.. nonce: HJGFDL +.. section: Library + +Add the missing documentation for ``codecs.encode`` and ``codecs.decode``. + +.. + +.. bpo: 19218 +.. date: 8877 +.. nonce: Cd2omk +.. section: Library + +Rename collections.abc to _collections_abc in order to speed up interpreter +start. + +.. + +.. bpo: 18582 +.. date: 8876 +.. nonce: hn0YhD +.. section: Library + +Add 'pbkdf2_hmac' to the hashlib module. It implements PKCS#5 password-based +key derivation functions with HMAC as pseudorandom function. + +.. + +.. bpo: 19131 +.. date: 8875 +.. nonce: eZXzpr +.. section: Library + +The aifc module now correctly reads and writes sampwidth of compressed +streams. + +.. + +.. bpo: 19209 +.. date: 8874 +.. nonce: 3Hyd-- +.. section: Library + +Remove import of copyreg from the os module to speed up interpreter startup. +stat_result and statvfs_result are now hard-coded to reside in the os +module. + +.. + +.. bpo: 19205 +.. date: 8873 +.. nonce: yrFzJn +.. section: Library + +Don't import the 're' module in site and sysconfig module to speed up +interpreter start. + +.. + +.. bpo: 9548 +.. date: 8872 +.. nonce: nhTqHw +.. section: Library + +Add a minimal "_bootlocale" module that is imported by the _io module +instead of the full locale module. + +.. + +.. bpo: 18764 +.. date: 8871 +.. nonce: rbnhLA +.. section: Library + +Remove the 'print' alias for the PDB 'p' command so that it no longer +shadows the print function. + +.. + +.. bpo: 19158 +.. date: 8870 +.. nonce: GvkZuU +.. section: Library + +A rare race in BoundedSemaphore could allow .release() too often. + +.. + +.. bpo: 15805 +.. date: 8869 +.. nonce: F_Ubx0 +.. section: Library + +Add contextlib.redirect_stdout(). + +.. + +.. bpo: 18716 +.. date: 8868 +.. nonce: L9QcWX +.. section: Library + +Deprecate the formatter module. + +.. + +.. bpo: 10712 +.. date: 8867 +.. nonce: rnd0oc +.. section: Library + +2to3 has a new "asserts" fixer that replaces deprecated names of unittest +methods (e.g. failUnlessEqual -> assertEqual). + +.. + +.. bpo: 18037 +.. date: 8866 +.. nonce: 7XGs8m +.. section: Library + +2to3 now escapes ``'\u'`` and ``'\U'`` in native strings. + +.. + +.. bpo: 17839 +.. date: 8865 +.. nonce: EyWhFu +.. section: Library + +base64.decodebytes and base64.encodebytes now accept any object that exports +a 1 dimensional array of bytes (this means the same is now also true for +base64_codec) + +.. + +.. bpo: 19132 +.. date: 8864 +.. nonce: ADBW6c +.. section: Library + +The pprint module now supports compact mode. + +.. + +.. bpo: 19137 +.. date: 8863 +.. nonce: Iuit_M +.. section: Library + +The pprint module now correctly formats instances of set and frozenset +subclasses. + +.. + +.. bpo: 10042 +.. date: 8862 +.. nonce: AH33zP +.. section: Library + +functools.total_ordering now correctly handles NotImplemented being returned +by the underlying comparison function (Patch by Katie Miller) + +.. + +.. bpo: 19092 +.. date: 8861 +.. nonce: Z7dea9 +.. section: Library + +contextlib.ExitStack now correctly reraises exceptions from the __exit__ +callbacks of inner context managers (Patch by Hrvoje Nikšić) + +.. + +.. bpo: 12641 +.. date: 8860 +.. nonce: r9sIyX +.. section: Library + +Avoid passing "-mno-cygwin" to the mingw32 compiler, except when necessary. +Patch by Oscar Benjamin. + +.. + +.. bpo: 5845 +.. date: 8859 +.. nonce: obzVIH +.. section: Library + +In site.py, only load readline history from ~/.python_history if no history +has been read already. This avoids double writes to the history file at +shutdown. + +.. + +.. bpo: 0 +.. date: 8858 +.. nonce: 08TsG5 +.. section: Library + +Properly initialize all fields of a SSL object after allocation. + +.. + +.. bpo: 19095 +.. date: 8857 +.. nonce: qZGvAs +.. section: Library + +SSLSocket.getpeercert() now raises ValueError when the SSL handshake hasn't +been done. + +.. + +.. bpo: 4366 +.. date: 8856 +.. nonce: lDEdfK +.. section: Library + +Fix building extensions on all platforms when --enable-shared is used. + +.. + +.. bpo: 19030 +.. date: 8855 +.. nonce: uKvvJF +.. section: Library + +Fixed `inspect.getmembers` and `inspect.classify_class_attrs` to attempt +activating descriptors before falling back to a __dict__ search for faulty +descriptors. `inspect.classify_class_attrs` no longer returns Attributes +whose home class is None. + +.. + +.. bpo: 1772673 +.. date: 8854 +.. nonce: 5cdzx1 +.. section: C API + +The type of `char*` arguments now changed to `const char*`. + +.. + +.. bpo: 16129 +.. date: 8853 +.. nonce: 8zyucl +.. section: C API + +Added a `Py_SetStandardStreamEncoding` pre-initialization API to allow +embedding applications like Blender to force a particular encoding and error +handler for the standard IO streams (initial patch by Bastien Montagne) + +.. + +.. bpo: 19275 +.. date: 8852 +.. nonce: uboiiw +.. section: Tests + +Fix test_site on AMD64 Snow Leopard + +.. + +.. bpo: 14407 +.. date: 8851 +.. nonce: -tmRl9 +.. section: Tests + +Fix unittest test discovery in test_concurrent_futures. + +.. + +.. bpo: 18919 +.. date: 8850 +.. nonce: cEkIuG +.. section: Tests + +Unified and extended tests for audio modules: aifc, sunau and wave. + +.. + +.. bpo: 18714 +.. date: 8849 +.. nonce: tcsRe- +.. section: Tests + +Added tests for ``pdb.find_function()``. + +.. + +.. bpo: 18758 +.. date: 8848 +.. nonce: hMCi7Z +.. section: Documentation + +Fixed and improved cross-references. + +.. + +.. bpo: 18972 +.. date: 8847 +.. nonce: iFwRVt +.. section: Documentation + +Modernize email examples and use the argparse module in them. + +.. + +.. bpo: 19130 +.. date: 8846 +.. nonce: 7l54jz +.. section: Build + +Correct PCbuild/readme.txt, Python 3.3 and 3.4 require VS 2010. + +.. + +.. bpo: 15663 +.. date: 8845 +.. nonce: 72Jlq0 +.. section: Build + +Update OS X 10.6+ installer to use Tcl/Tk 8.5.15. + +.. + +.. bpo: 14499 +.. date: 8844 +.. nonce: 5ipy19 +.. section: Build + +Fix several problems with OS X universal build support: 1. ppc arch +detection for extension module builds broke with Xcode 5 2. ppc arch +detection in configure did not work on OS X 10.4 3. -sysroot and -arch +flags were unnecessarily duplicated 4. there was no obvious way to +configure an intel-32 only build. + +.. + +.. bpo: 19019 +.. date: 8843 +.. nonce: 5W7lw_ +.. section: Build + +Change the OS X installer build script to use CFLAGS instead of OPT for +special build options. By setting OPT, some compiler-specific options like +-fwrapv were overridden and thus not used, which could result in broken +interpreters when building with clang. diff --git a/Misc/NEWS.d/3.4.0b1.rst b/Misc/NEWS.d/3.4.0b1.rst new file mode 100644 index 000000000000..66775137dbb0 --- /dev/null +++ b/Misc/NEWS.d/3.4.0b1.rst @@ -0,0 +1,1451 @@ +.. bpo: 0 +.. date: 9056 +.. nonce: HZ3bne +.. release date: 2013-11-24 +.. section: Core and Builtins + +Use the repr of a module name in more places in import, especially +exceptions. + +.. + +.. bpo: 19619 +.. date: 9055 +.. nonce: p4mly- +.. section: Core and Builtins + +str.encode, bytes.decode and bytearray.decode now use an internal API to +throw LookupError for known non-text encodings, rather than attempting the +encoding or decoding operation and then throwing a TypeError for an +unexpected output type. (The latter mechanism remains in place for third +party non-text encodings) + +.. + +.. bpo: 19183 +.. date: 9054 +.. nonce: uRQl7Q +.. section: Core and Builtins + +Implement PEP 456 'secure and interchangeable hash algorithm'. Python now +uses SipHash24 on all major platforms. + +.. + +.. bpo: 12892 +.. date: 9053 +.. nonce: TBN6AI +.. section: Core and Builtins + +The utf-16* and utf-32* encoders no longer allow surrogate code points +(U+D800-U+DFFF) to be encoded. The utf-32* decoders no longer decode byte +sequences that correspond to surrogate code points. The surrogatepass error +handler now works with the utf-16* and utf-32* codecs. Based on patches by +Victor Stinner and Kang-Hao (Kenny) Lu. + +.. + +.. bpo: 17806 +.. date: 9052 +.. nonce: Mkg_9s +.. section: Core and Builtins + +Added keyword-argument support for "tabsize" to str/bytes.expandtabs(). + +.. + +.. bpo: 17828 +.. date: 9051 +.. nonce: -sD57u +.. section: Core and Builtins + +Output type errors in str.encode(), bytes.decode() and bytearray.decode() +now direct users to codecs.encode() or codecs.decode() as appropriate. + +.. + +.. bpo: 17828 +.. date: 9050 +.. nonce: k-Stau +.. section: Core and Builtins + +The interpreter now attempts to chain errors that occur in codec processing +with a replacement exception of the same type that includes the codec name +in the error message. It ensures it only does this when the creation of the +replacement exception won't lose any information. + +.. + +.. bpo: 19466 +.. date: 9049 +.. nonce: l0a3mh +.. section: Core and Builtins + +Clear the frames of daemon threads earlier during the Python shutdown to +call objects destructors. So "unclosed file" resource warnings are now +corretly emitted for daemon threads. + +.. + +.. bpo: 19514 +.. date: 9048 +.. nonce: FfR4kF +.. section: Core and Builtins + +Deduplicate some _Py_IDENTIFIER declarations. Patch by Andrei Dorian Duma. + +.. + +.. bpo: 17936 +.. date: 9047 +.. nonce: Vva8kQ +.. section: Core and Builtins + +Fix O(n**2) behaviour when adding or removing many subclasses of a given +type. + +.. + +.. bpo: 19428 +.. date: 9046 +.. nonce: wN6Oyz +.. section: Core and Builtins + +zipimport now handles errors when reading truncated or invalid ZIP archive. + +.. + +.. bpo: 18408 +.. date: 9045 +.. nonce: IDTlVz +.. section: Core and Builtins + +Add a new PyFrame_FastToLocalsWithError() function to handle exceptions when +merging fast locals into f_locals of a frame. PyEval_GetLocals() now raises +an exception and return NULL on failure. + +.. + +.. bpo: 19369 +.. date: 9044 +.. nonce: 19W2nG +.. section: Core and Builtins + +Optimized the usage of __length_hint__(). + +.. + +.. bpo: 18603 +.. date: 9043 +.. nonce: 7SMyAQ +.. section: Core and Builtins + +Ensure that PyOS_mystricmp and PyOS_mystrnicmp are in the Python executable +and not removed by the linker's optimizer. + +.. + +.. bpo: 19306 +.. date: 9042 +.. nonce: PYfqS6 +.. section: Core and Builtins + +Add extra hints to the faulthandler module's stack dumps that these are +"upside down". + +.. + +.. bpo: 3158 +.. date: 9041 +.. nonce: Uuris9 +.. section: Library + +doctest can now find doctests in functions and methods written in C. + +.. + +.. bpo: 13477 +.. date: 9040 +.. nonce: KYiO6P +.. section: Library + +Added command line interface to the tarfile module. Original patch by Berker +Peksag. + +.. + +.. bpo: 19674 +.. date: 9039 +.. nonce: wDLXgw +.. section: Library + +inspect.signature() now produces a correct signature for some builtins. + +.. + +.. bpo: 19722 +.. date: 9038 +.. nonce: pZvdfi +.. section: Library + +Added opcode.stack_effect(), which computes the stack effect of bytecode +instructions. + +.. + +.. bpo: 19735 +.. date: 9037 +.. nonce: 4JGp9S +.. section: Library + +Implement private function ssl._create_stdlib_context() to create SSLContext +objects in Python's stdlib module. It provides a single configuration point +and makes use of SSLContext.load_default_certs(). + +.. + +.. bpo: 16203 +.. date: 9036 +.. nonce: Obg29F +.. section: Library + +Add re.fullmatch() function and regex.fullmatch() method, which anchor the +pattern at both ends of the string to match. Original patch by Matthew +Barnett. + +.. + +.. bpo: 13592 +.. date: 9035 +.. nonce: LI-pVN +.. section: Library + +Improved the repr for regular expression pattern objects. Based on patch by +Hugo Lopes Tavares. + +.. + +.. bpo: 19641 +.. date: 9034 +.. nonce: S_oEqp +.. section: Library + +Added the audioop.byteswap() function to convert big-endian samples to +little-endian and vice versa. + +.. + +.. bpo: 15204 +.. date: 9033 +.. nonce: bICOJc +.. section: Library + +Deprecated the 'U' mode in file-like objects. + +.. + +.. bpo: 17810 +.. date: 9032 +.. nonce: eJrPc5 +.. section: Library + +Implement PEP 3154, pickle protocol 4. + +.. + +.. bpo: 19668 +.. date: 9031 +.. nonce: e177xD +.. section: Library + +Added support for the cp1125 encoding. + +.. + +.. bpo: 19689 +.. date: 9030 +.. nonce: ucsUkZ +.. section: Library + +Add ssl.create_default_context() factory function. It creates a new +SSLContext object with secure default settings. + +.. + +.. bpo: 19727 +.. date: 9029 +.. nonce: 7z890j +.. section: Library + +os.utime(..., None) is now potentially more precise under Windows. + +.. + +.. bpo: 17201 +.. date: 9028 +.. nonce: x3oEjg +.. section: Library + +ZIP64 extensions now are enabled by default. Patch by William Mallard. + +.. + +.. bpo: 19292 +.. date: 9027 +.. nonce: SRsZqK +.. section: Library + +Add SSLContext.load_default_certs() to load default root CA certificates +from default stores or system stores. By default the method loads CA certs +for authentication of server certs. + +.. + +.. bpo: 19673 +.. date: 9026 +.. nonce: cbMrgH +.. section: Library + +Add pathlib to the stdlib as a provisional module (PEP 428). + +.. + +.. bpo: 16596 +.. date: 9025 +.. nonce: Fk4mD0 +.. section: Library + +pdb in a generator now properly skips over yield and yield from rather than +stepping out of the generator into its caller. (This is essential for +stepping through asyncio coroutines.) + +.. + +.. bpo: 17916 +.. date: 9024 +.. nonce: NhM62k +.. section: Library + +Added dis.Bytecode.from_traceback() and dis.Bytecode.current_offset to +easily display "current instruction" markers in the new disassembly API +(Patch by Claudiu Popa). + +.. + +.. bpo: 19552 +.. date: 9023 +.. nonce: YLwRGR +.. section: Library + +venv now supports bootstrapping pip into virtual environments + +.. + +.. bpo: 17134 +.. date: 9022 +.. nonce: 59bg3U +.. section: Library + +Finalize interface to Windows' certificate store. Cert and CRL enumeration +are now two functions. enum_certificates() also returns purpose flags as set +of OIDs. + +.. + +.. bpo: 19555 +.. date: 9021 +.. nonce: Cl1wp9 +.. section: Library + +Restore sysconfig.get_config_var('SO'), (and the distutils equivalent) with +a DeprecationWarning pointing people at $EXT_SUFFIX. + +.. + +.. bpo: 8813 +.. date: 9020 +.. nonce: eOLgxE +.. section: Library + +Add SSLContext.verify_flags to change the verification flags of the context +in order to enable certification revocation list (CRL) checks or strict X509 +rules. + +.. + +.. bpo: 18294 +.. date: 9019 +.. nonce: hCjVbY +.. section: Library + +Fix the zlib module to make it 64-bit safe. + +.. + +.. bpo: 19682 +.. date: 9018 +.. nonce: Ruo2jD +.. section: Library + +Fix compatibility issue with old version of OpenSSL that was introduced by +Issue #18379. + +.. + +.. bpo: 14455 +.. date: 9017 +.. nonce: p3C8TR +.. section: Library + +plistlib now supports binary plists and has an updated API. + +.. + +.. bpo: 19633 +.. date: 9016 +.. nonce: XJNQit +.. section: Library + +Fixed writing not compressed 16- and 32-bit wave files on big-endian +platforms. + +.. + +.. bpo: 18379 +.. date: 9015 +.. nonce: 6MEkk8 +.. section: Library + +SSLSocket.getpeercert() returns CA issuer AIA fields, OCSP and CRL +distribution points. + +.. + +.. bpo: 18138 +.. date: 9014 +.. nonce: Xt0I1D +.. section: Library + +Implement cadata argument of SSLContext.load_verify_location() to load CA +certificates and CRL from memory. It supports PEM and DER encoded strings. + +.. + +.. bpo: 18775 +.. date: 9013 +.. nonce: Q0s2iT +.. section: Library + +Add name and block_size attribute to HMAC object. They now provide the same +API elements as non-keyed cryptographic hash functions. + +.. + +.. bpo: 17276 +.. date: 9012 +.. nonce: Rusj_j +.. section: Library + +MD5 as default digestmod for HMAC is deprecated. The HMAC module supports +digestmod names, e.g. hmac.HMAC('sha1'). + +.. + +.. bpo: 19449 +.. date: 9011 +.. nonce: F2TbC_ +.. section: Library + +in csv's writerow, handle non-string keys when generating the error message +that certain keys are not in the 'fieldnames' list. + +.. + +.. bpo: 13633 +.. date: 9010 +.. nonce: 1AJC3w +.. section: Library + +Added a new convert_charrefs keyword arg to HTMLParser that, when True, +automatically converts all character references. + +.. + +.. bpo: 2927 +.. date: 9009 +.. nonce: 5t4wCh +.. section: Library + +Added the unescape() function to the html module. + +.. + +.. bpo: 8402 +.. date: 9008 +.. nonce: -VPGJN +.. section: Library + +Added the escape() function to the glob module. + +.. + +.. bpo: 17618 +.. date: 9007 +.. nonce: OI2l3J +.. section: Library + +Add Base85 and Ascii85 encoding/decoding to the base64 module. + +.. + +.. bpo: 19634 +.. date: 9006 +.. nonce: -pzaWO +.. section: Library + +time.strftime("%y") now raises a ValueError on AIX when given a year before +1900. + +.. + +.. bpo: 0 +.. date: 9005 +.. nonce: -1Tvel +.. section: Library + +Fix test.support.bind_port() to not cause an error when Python was compiled +on a system with SO_REUSEPORT defined in the headers but run on a system +with an OS kernel that does not support that reasonably new socket option. + +.. + +.. bpo: 0 +.. date: 9004 +.. nonce: pmUthH +.. section: Library + +Fix compilation error under gcc of the ctypes module bundled libffi for arm. + +.. + +.. bpo: 19448 +.. date: 9003 +.. nonce: oHsofd +.. section: Library + +Add private API to SSL module to lookup ASN.1 objects by OID, NID, short +name and long name. + +.. + +.. bpo: 19282 +.. date: 9002 +.. nonce: 3nF4NV +.. section: Library + +dbm.open now supports the context management protocol. (Inital patch by +Claudiu Popa) + +.. + +.. bpo: 8311 +.. date: 9001 +.. nonce: 1h-XNN +.. section: Library + +Added support for writing any bytes-like objects in the aifc, sunau, and +wave modules. + +.. + +.. bpo: 5202 +.. date: 9000 +.. nonce: Qmv91E +.. section: Library + +Added support for unseekable files in the wave module. + +.. + +.. bpo: 19544 +.. date: 8999 +.. nonce: KA-RHQ +.. section: Library + +Restore global option to ignore ~/.pydistutils.cfg in Distutils, +accidentally removed in backout of distutils2 changes. (See also: bpo-1180) + +.. + +.. bpo: 19523 +.. date: 8998 +.. nonce: tNiY9i +.. section: Library + +Closed FileHandler leak which occurred when delay was set. + +.. + +.. bpo: 19544 +.. date: 8997 +.. nonce: vFbcTR +.. section: Library + +Restore support for --user and --group parameters to sdist command +accidentally rolled back as part of the distutils2 rollback. (See also: +bpo-6516) + +.. + +.. bpo: 13674 +.. date: 8996 +.. nonce: EIYe4u +.. section: Library + +Prevented time.strftime from crashing on Windows when given a year before +1900 and a format of %y. + +.. + +.. bpo: 19406 +.. date: 8995 +.. nonce: _vGZ47 +.. section: Library + +implementation of the ensurepip module (part of PEP 453). Patch by Donald +Stufft and Nick Coghlan. + +.. + +.. bpo: 19544 +.. date: 8994 +.. nonce: NJk1xH +.. section: Library + +Restore use of urllib over http allowing use of http_proxy for Distutils +upload command, a feature accidentally lost in the rollback of distutils2. +(See also: bpo-6286) + +.. + +.. bpo: 19544 +.. date: 8993 +.. nonce: ZtCJGn +.. section: Library + +Restore the read_pkg_file method to distutils.dist.DistributionMetadata +accidentally removed in the undo of distutils2. (See also: bpo-7457) + +.. + +.. bpo: 16685 +.. date: 8992 +.. nonce: qc5QWm +.. section: Library + +Added support for any bytes-like objects in the audioop module. Removed +support for strings. + +.. + +.. bpo: 7171 +.. date: 8991 +.. nonce: irjmxW +.. section: Library + +Add Windows implementation of ``inet_ntop`` and ``inet_pton`` to socket +module. Patch by Atsuo Ishimoto. + +.. + +.. bpo: 19261 +.. date: 8990 +.. nonce: MDxLbN +.. section: Library + +Added support for writing 24-bit samples in the sunau module. + +.. + +.. bpo: 1097797 +.. date: 8989 +.. nonce: s8FvuZ +.. section: Library + +Added CP273 encoding, used on IBM mainframes in Germany and Austria. +Mapping provided by Michael Bierenfeld. + +.. + +.. bpo: 1575020 +.. date: 8988 +.. nonce: skWyvl +.. section: Library + +Fixed support of 24-bit wave files on big-endian platforms. + +.. + +.. bpo: 19378 +.. date: 8987 +.. nonce: 1XDVqS +.. section: Library + +Fixed a number of cases in the dis module where the new "file" parameter was +not being honoured correctly + +.. + +.. bpo: 19378 +.. date: 8986 +.. nonce: s_AkzU +.. section: Library + +Removed the "dis.Bytecode.show_info" method + +.. + +.. bpo: 19378 +.. date: 8985 +.. nonce: mEYzGf +.. section: Library + +Renamed the "dis.Bytecode.display_code" method to "dis.Bytecode.dis" and +converted it to returning a string rather than printing output. + +.. + +.. bpo: 19378 +.. date: 8984 +.. nonce: zuYjXC +.. section: Library + +the "line_offset" parameter in the new "dis.get_instructions" API has been +renamed to "first_line" (and the default value and usage changed +accordingly). This should reduce confusion with the more common use of +"offset" in the dis docs to refer to bytecode offsets. + +.. + +.. bpo: 18678 +.. date: 8983 +.. nonce: 7wTha_ +.. section: Library + +Corrected spwd struct member names in spwd module: sp_nam->sp_namp, and +sp_pwd->sp_pwdp. The old names are kept as extra structseq members, for +backward compatibility. + +.. + +.. bpo: 6157 +.. date: 8982 +.. nonce: SpFEy2 +.. section: Library + +Fixed tkinter.Text.debug(). tkinter.Text.bbox() now raises TypeError +instead of TclError on wrong number of arguments. Original patch by +Guilherme Polo. + +.. + +.. bpo: 10197 +.. date: 8981 +.. nonce: 6uq2Xn +.. section: Library + +Rework subprocess.get[status]output to use subprocess functionality and thus +to work on Windows. Patch by Nick Coghlan + +.. + +.. bpo: 6160 +.. date: 8980 +.. nonce: Mr5UuA +.. section: Library + +The bbox() method of tkinter.Spinbox now returns a tuple of integers instead +of a string. Based on patch by Guilherme Polo. + +.. + +.. bpo: 19403 +.. date: 8979 +.. nonce: rJUF8f +.. section: Library + +contextlib.redirect_stdout is now reentrant + +.. + +.. bpo: 19286 +.. date: 8978 +.. nonce: TUZetF +.. section: Library + +Directories in ``package_data`` are no longer added to the filelist, +preventing failure outlined in the ticket. + +.. + +.. bpo: 19480 +.. date: 8977 +.. nonce: MY3dmW +.. section: Library + +HTMLParser now accepts all valid start-tag names as defined by the HTML5 +standard. + +.. + +.. bpo: 15114 +.. date: 8976 +.. nonce: MuB2Yy +.. section: Library + +The html.parser module now raises a DeprecationWarning when the strict +argument of HTMLParser or the HTMLParser.error method are used. + +.. + +.. bpo: 19410 +.. date: 8975 +.. nonce: OU3U4K +.. section: Library + +Undo the special-casing removal of '' for importlib.machinery.FileFinder. + +.. + +.. bpo: 19424 +.. date: 8974 +.. nonce: vYBdnZ +.. section: Library + +Fix the warnings module to accept filename containing surrogate characters. + +.. + +.. bpo: 19435 +.. date: 8973 +.. nonce: kXqMz3 +.. section: Library + +Fix directory traversal attack on CGIHttpRequestHandler. + +.. + +.. bpo: 19227 +.. date: 8972 +.. nonce: yGdfN6 +.. section: Library + +Remove pthread_atfork() handler. The handler was added to solve #18747 but +has caused issues. + +.. + +.. bpo: 19420 +.. date: 8971 +.. nonce: gxcqnT +.. section: Library + +Fix reference leak in module initalization code of _hashopenssl.c + +.. + +.. bpo: 19329 +.. date: 8970 +.. nonce: f3o3tr +.. section: Library + +Optimized compiling charsets in regular expressions. + +.. + +.. bpo: 19227 +.. date: 8969 +.. nonce: -dpnbn +.. section: Library + +Try to fix deadlocks caused by re-seeding then OpenSSL pseudo-random number +generator on fork(). + +.. + +.. bpo: 16037 +.. date: 8968 +.. nonce: cxufSm +.. section: Library + +HTTPMessage.readheaders() raises an HTTPException when more than 100 headers +are read. Adapted from patch by Jyrki Pulliainen. + +.. + +.. bpo: 16040 +.. date: 8967 +.. nonce: xg3xlX +.. section: Library + +CVE-2013-1752: nntplib: Limit maximum line lengths to 2048 to prevent +readline() calls from consuming too much memory. Patch by Jyrki Pulliainen. + +.. + +.. bpo: 16041 +.. date: 8966 +.. nonce: XFY0lr +.. section: Library + +CVE-2013-1752: poplib: Limit maximum line lengths to 2048 to prevent +readline() calls from consuming too much memory. Patch by Jyrki Pulliainen. + +.. + +.. bpo: 17997 +.. date: 8965 +.. nonce: sJUozx +.. section: Library + +Change behavior of ``ssl.match_hostname()`` to follow RFC 6125, for security +reasons. It now doesn't match multiple wildcards nor wildcards inside IDN +fragments. + +.. + +.. bpo: 16039 +.. date: 8964 +.. nonce: ipafYi +.. section: Library + +CVE-2013-1752: Change use of readline in imaplib module to limit line +length. Patch by Emil Lind. + +.. + +.. bpo: 19330 +.. date: 8963 +.. nonce: -pfViq +.. section: Library + +the unnecessary wrapper functions have been removed from the implementations +of the new contextlib.redirect_stdout and contextlib.suppress context +managers, which also ensures they provide reasonable help() output on +instances + +.. + +.. bpo: 19393 +.. date: 8962 +.. nonce: ytbAwl +.. section: Library + +Fix symtable.symtable function to not be confused when there are functions +or classes named "top". + +.. + +.. bpo: 18685 +.. date: 8961 +.. nonce: R0OJ2- +.. section: Library + +Restore re performance to pre-PEP 393 levels. + +.. + +.. bpo: 19339 +.. date: 8960 +.. nonce: kxMuh2 +.. section: Library + +telnetlib module is now using time.monotonic() when available to compute +timeout. + +.. + +.. bpo: 19399 +.. date: 8959 +.. nonce: ofrcCx +.. section: Library + +fix sporadic test_subprocess failure. + +.. + +.. bpo: 13234 +.. date: 8958 +.. nonce: uuePvu +.. section: Library + +Fix os.listdir to work with extended paths on Windows. Patch by Santoso +Wijaya. + +.. + +.. bpo: 19375 +.. date: 8957 +.. nonce: Kbkj5C +.. section: Library + +The site module adding a "site-python" directory to sys.path, if it exists, +is now deprecated. + +.. + +.. bpo: 19379 +.. date: 8956 +.. nonce: jOblDO +.. section: Library + +Lazily import linecache in the warnings module, to make startup with +warnings faster until a warning gets printed. + +.. + +.. bpo: 19288 +.. date: 8955 +.. nonce: nKDzgw +.. section: Library + +Fixed the "in" operator of dbm.gnu databases for string argument. Original +patch by Arfrever Frehtes Taifersar Arahesis. + +.. + +.. bpo: 19287 +.. date: 8954 +.. nonce: IVl3jY +.. section: Library + +Fixed the "in" operator of dbm.ndbm databases for string argument. Original +patch by Arfrever Frehtes Taifersar Arahesis. + +.. + +.. bpo: 19327 +.. date: 8953 +.. nonce: S7Xvxs +.. section: Library + +Fixed the working of regular expressions with too big charset. + +.. + +.. bpo: 17400 +.. date: 8952 +.. nonce: 8BUFmy +.. section: Library + +New 'is_global' attribute for ipaddress to tell if an address is allocated +by IANA for global or private networks. + +.. + +.. bpo: 19350 +.. date: 8951 +.. nonce: MCCKjK +.. section: Library + +Increasing the test coverage of macurl2path. Patch by Colin Williams. + +.. + +.. bpo: 19365 +.. date: 8950 +.. nonce: ZBG2Mi +.. section: Library + +Optimized the parsing of long replacement string in re.sub*() functions. + +.. + +.. bpo: 19352 +.. date: 8949 +.. nonce: 3TfAkY +.. section: Library + +Fix unittest discovery when a module can be reached through several paths +(e.g. under Debian/Ubuntu with virtualenv). + +.. + +.. bpo: 15207 +.. date: 8948 +.. nonce: piOBBi +.. section: Library + +Fix mimetypes to read from correct part of Windows registry Original patch +by Dave Chambers + +.. + +.. bpo: 16595 +.. date: 8947 +.. nonce: Be5Hga +.. section: Library + +Add prlimit() to resource module. + +.. + +.. bpo: 19324 +.. date: 8946 +.. nonce: e0cvlt +.. section: Library + +Expose Linux-specific constants in resource module. + +.. + +.. bpo: 0 +.. date: 8945 +.. nonce: sxxiug +.. section: Library + +Load SSL's error strings in hashlib. + +.. + +.. bpo: 18527 +.. date: 8944 +.. nonce: fA-A37 +.. section: Library + +Upgrade internal copy of zlib to 1.2.8. + +.. + +.. bpo: 19274 +.. date: 8943 +.. nonce: i8khqy +.. section: Library + +Add a filterfunc parameter to PyZipFile.writepy. + +.. + +.. bpo: 8964 +.. date: 8942 +.. nonce: dzU2FB +.. section: Library + +fix platform._sys_version to handle IronPython 2.6+. Patch by Martin +Matusiak. + +.. + +.. bpo: 19413 +.. date: 8941 +.. nonce: 2Niic6 +.. section: Library + +Restore pre-3.3 reload() semantics of re-finding modules. + +.. + +.. bpo: 18958 +.. date: 8940 +.. nonce: AoIQm9 +.. section: Library + +Improve error message for json.load(s) while passing a string that starts +with a UTF-8 BOM. + +.. + +.. bpo: 19307 +.. date: 8939 +.. nonce: iFye0G +.. section: Library + +Improve error message for json.load(s) while passing objects of the wrong +type. + +.. + +.. bpo: 16038 +.. date: 8938 +.. nonce: TZGbSo +.. section: Library + +CVE-2013-1752: ftplib: Limit amount of data read by limiting the call to +readline(). Original patch by Michał Jastrzębski and Giampaolo Rodola. + +.. + +.. bpo: 17087 +.. date: 8937 +.. nonce: A3XA7C +.. section: Library + +Improved the repr for regular expression match objects. + +.. + +.. bpo: 19664 +.. date: 8936 +.. nonce: Nw449E +.. section: Tests + +test_userdict's repr test no longer depends on the order of dict elements. + +.. + +.. bpo: 19440 +.. date: 8935 +.. nonce: BW6mI9 +.. section: Tests + +Clean up test_capi by removing an unnecessary __future__ import, converting +from test_main to unittest.main, and running the _testcapi module tests as +subTests of a unittest TestCase method. + +.. + +.. bpo: 19378 +.. date: 8934 +.. nonce: zeWIz0 +.. section: Tests + +the main dis module tests are now run with both stdout redirection *and* +passing an explicit file parameter + +.. + +.. bpo: 19378 +.. date: 8933 +.. nonce: MOkpfA +.. section: Tests + +removed the not-actually-helpful assertInstructionMatches and +assertBytecodeExactlyMatches helpers from bytecode_helper + +.. + +.. bpo: 18702 +.. date: 8932 +.. nonce: 91BEkZ +.. section: Tests + +All skipped tests now reported as skipped. + +.. + +.. bpo: 19439 +.. date: 8931 +.. nonce: J96-Vv +.. section: Tests + +interpreter embedding tests are now executed on Windows (Patch by Zachary +Ware) + +.. + +.. bpo: 19085 +.. date: 8930 +.. nonce: Gcl9XX +.. section: Tests + +Added basic tests for all tkinter widget options. + +.. + +.. bpo: 19384 +.. date: 8929 +.. nonce: v6r_8A +.. section: Tests + +Fix test_py_compile for root user, patch by Claudiu Popa. + +.. + +.. bpo: 18326 +.. date: 8928 +.. nonce: juaetA +.. section: Documentation + +Clarify that list.sort's arguments are keyword-only. Also, attempt to +reduce confusion in the glossary by not saying there are different "types" +of arguments and parameters. + +.. + +.. bpo: 19358 +.. date: 8927 +.. nonce: 80ySM- +.. section: Build + +"make clinic" now runs the Argument Clinic preprocessor over all CPython +source files. + +.. + +.. bpo: 0 +.. date: 8926 +.. nonce: -GnKfJ +.. section: Build + +Update SQLite to 3.8.1, xz to 5.0.5, and Tcl/Tk to 8.6.1 on Windows. + +.. + +.. bpo: 16632 +.. date: 8925 +.. nonce: BiQhFA +.. section: Build + +Enable DEP and ASLR on Windows. + +.. + +.. bpo: 17791 +.. date: 8924 +.. nonce: fExj5r +.. section: Build + +Drop PREFIX and EXEC_PREFIX definitions from PC/pyconfig.h + +.. + +.. bpo: 0 +.. date: 8923 +.. nonce: uI77cH +.. section: Build + +Add workaround for VS 2010 nmake clean issue. VS 2010 doesn't set up PATH +for nmake.exe correctly. + +.. + +.. bpo: 19550 +.. date: 8922 +.. nonce: MLDPnk +.. section: Build + +Implement Windows installer changes of PEP 453 (ensurepip). + +.. + +.. bpo: 19520 +.. date: 8921 +.. nonce: KBn7ff +.. section: Build + +Fix compiler warning in the _sha3 module on 32bit Windows. + +.. + +.. bpo: 19356 +.. date: 8920 +.. nonce: lHamQS +.. section: Build + +Avoid using a C variabled named "_self", it's a reserved word in some C +compilers. + +.. + +.. bpo: 15792 +.. date: 8919 +.. nonce: Rx4fV2 +.. section: Build + +Correct build options on Win64. Patch by Jeremy Kloth. + +.. + +.. bpo: 19373 +.. date: 8918 +.. nonce: Gxnb8v +.. section: Build + +Apply upstream change to Tk 8.5.15 fixing OS X 10.9 screen refresh problem +for OS X installer build. + +.. + +.. bpo: 19649 +.. date: 8917 +.. nonce: yuZ3xq +.. section: Build + +On OS X, the same set of file names are now installed in bin directories for +all configurations: non-framework vs framework, and single arch vs universal +builds. pythonx.y-32 is now always installed for 64-bit/32-bit universal +builds. The obsolete and undocumented pythonw* symlinks are no longer +installed anywhere. + +.. + +.. bpo: 19553 +.. date: 8916 +.. nonce: JY6pHm +.. section: Build + +PEP 453 - "make install" and "make altinstall" now install or upgrade pip by +default, using the bundled pip provided by the new ensurepip module. A new +configure option, --with-ensurepip[=upgrade|install|no], is available to +override the default ensurepip "--upgrade" option. The option can also be +set with "make [alt]install ENSUREPIP=[upgrade|install|no]". + +.. + +.. bpo: 19551 +.. date: 8915 +.. nonce: Co7ZOp +.. section: Build + +PEP 453 - the OS X installer now installs pip by default. + +.. + +.. bpo: 0 +.. date: 8914 +.. nonce: kxcK-F +.. section: Build + +Update third-party libraries for OS X installers: xz 5.0.3 -> 5.0.5, SQLite +3.7.13 -> 3.8.1 + +.. + +.. bpo: 15663 +.. date: 8913 +.. nonce: f91_wP +.. section: Build + +Revert OS X installer built-in Tcl/Tk support for 3.4.0b1. Some third-party +projects, such as Matplotlib and PIL/Pillow, depended on being able to build +with Tcl and Tk frameworks in /Library/Frameworks. + +.. + +.. bpo: 19730 +.. date: 8912 +.. nonce: B7hBq7 +.. section: Tools/Demos + +Argument Clinic now supports all the existing PyArg "format units" as legacy +converters, as well as two new features: "self converters" and the "version" +directive. + +.. + +.. bpo: 19552 +.. date: 8911 +.. nonce: zuitRR +.. section: Tools/Demos + +pyvenv now bootstraps pip into virtual environments by default (pass +--without-pip to request the old behaviour) + +.. + +.. bpo: 19390 +.. date: 8910 +.. nonce: CROPNO +.. section: Tools/Demos + +Argument Clinic no longer accepts malformed Python and C ids. diff --git a/Misc/NEWS.d/3.4.0b2.rst b/Misc/NEWS.d/3.4.0b2.rst new file mode 100644 index 000000000000..038670c031b0 --- /dev/null +++ b/Misc/NEWS.d/3.4.0b2.rst @@ -0,0 +1,1197 @@ +.. bpo: 17432 +.. date: 9179 +.. nonce: mmNI4f +.. release date: 2014-01-05 +.. section: Core and Builtins + +Drop UCS2 from names of Unicode functions in python3.def. + +.. + +.. bpo: 19526 +.. date: 9178 +.. nonce: 9WWttQ +.. section: Core and Builtins + +Exclude all new API from the stable ABI. Exceptions can be made if a need is +demonstrated. + +.. + +.. bpo: 19969 +.. date: 9177 +.. nonce: mmRsrB +.. section: Core and Builtins + +PyBytes_FromFormatV() now raises an OverflowError if "%c" argument is not in +range [0; 255]. + +.. + +.. bpo: 19995 +.. date: 9176 +.. nonce: gQHtAc +.. section: Core and Builtins + +%c, %o, %x, and %X now issue a DeprecationWarning on non-integer input; +reworded docs to clarify that an integer type should define both __int__ and +__index__. + +.. + +.. bpo: 19787 +.. date: 9175 +.. nonce: tAMy-H +.. section: Core and Builtins + +PyThread_set_key_value() now always set the value. In Python 3.3, the +function did nothing if the key already exists (if the current value is a +non-NULL pointer). + +.. + +.. bpo: 14432 +.. date: 9174 +.. nonce: yov4oy +.. section: Core and Builtins + +Remove the thread state field from the frame structure. Fix a crash when a +generator is created in a C thread that is destroyed while the generator is +still used. The issue was that a generator contains a frame, and the frame +kept a reference to the Python state of the destroyed C thread. The crash +occurs when a trace function is setup. + +.. + +.. bpo: 19576 +.. date: 9173 +.. nonce: b_UtIp +.. section: Core and Builtins + +PyGILState_Ensure() now initializes threads. At startup, Python has no +concrete GIL. If PyGILState_Ensure() is called from a new thread for the +first time and PyEval_InitThreads() was not called yet, a GIL needs to be +created. + +.. + +.. bpo: 17576 +.. date: 9172 +.. nonce: ukzqsg +.. section: Core and Builtins + +Deprecation warning emitted now when __int__() or __index__() return not int +instance. + +.. + +.. bpo: 19932 +.. date: 9171 +.. nonce: ZU_tXW +.. section: Core and Builtins + +Fix typo in import.h, missing whitespaces in function prototypes. + +.. + +.. bpo: 19736 +.. date: 9170 +.. nonce: j35rNX +.. section: Core and Builtins + +Add module-level statvfs constants defined for GNU/glibc based systems. + +.. + +.. bpo: 20097 +.. date: 9169 +.. nonce: _L-Wql +.. section: Core and Builtins + +Fix bad use of "self" in importlib's WindowsRegistryFinder. + +.. + +.. bpo: 19729 +.. date: 9168 +.. nonce: HmZThe +.. section: Core and Builtins + +In str.format(), fix recursive expansion in format spec. + +.. + +.. bpo: 19638 +.. date: 9167 +.. nonce: lh5Awt +.. section: Core and Builtins + +Fix possible crash / undefined behaviour from huge (more than 2 billion +characters) input strings in _Py_dg_strtod. + +.. + +.. bpo: 20154 +.. date: 9166 +.. nonce: 5JyK0Q +.. section: Library + +Deadlock in asyncio.StreamReader.readexactly(). + +.. + +.. bpo: 16113 +.. date: 9165 +.. nonce: 2gaEPO +.. section: Library + +Remove sha3 module again. + +.. + +.. bpo: 20111 +.. date: 9164 +.. nonce: NsoIDi +.. section: Library + +pathlib.Path.with_suffix() now sanity checks the given suffix. + +.. + +.. bpo: 0 +.. date: 9163 +.. nonce: 6LOl16 +.. section: Library + +Fix breakage in TestSuite.countTestCases() introduced by issue #11798. + +.. + +.. bpo: 20108 +.. date: 9162 +.. nonce: HxuC0s +.. section: Library + +Avoid parameter name clash in inspect.getcallargs(). + +.. + +.. bpo: 19918 +.. date: 9161 +.. nonce: SciMAd +.. section: Library + +Fix PurePath.relative_to() under Windows. + +.. + +.. bpo: 19422 +.. date: 9160 +.. nonce: 1dRaPS +.. section: Library + +Explicitly disallow non-SOCK_STREAM sockets in the ssl module, rather than +silently let them emit clear text data. + +.. + +.. bpo: 20046 +.. date: 9159 +.. nonce: NkWtze +.. section: Library + +Locale alias table no longer contains entities which can be calculated. +Generalized support of the euro modifier. + +.. + +.. bpo: 20027 +.. date: 9158 +.. nonce: dtB7OG +.. section: Library + +Fixed locale aliases for devanagari locales. + +.. + +.. bpo: 20067 +.. date: 9157 +.. nonce: MlnlYd +.. section: Library + +Tkinter variables now work when wantobjects is false. + +.. + +.. bpo: 19020 +.. date: 9156 +.. nonce: _16K__ +.. section: Library + +Tkinter now uses splitlist() instead of split() in configure methods. + +.. + +.. bpo: 19744 +.. date: 9155 +.. nonce: frub3A +.. section: Library + +ensurepip now provides a better error message when Python is built without +SSL/TLS support (pip currently requires that support to run, even if only +operating with local wheel files) + +.. + +.. bpo: 19734 +.. date: 9154 +.. nonce: jHpBF- +.. section: Library + +ensurepip now ignores all pip environment variables to avoid odd behaviour +based on user configuration settings + +.. + +.. bpo: 0 +.. date: 9153 +.. nonce: d5LOJv +.. section: Library + +Fix TypeError on "setup.py upload --show-response". + +.. + +.. bpo: 20045 +.. date: 9152 +.. nonce: fdKDSA +.. section: Library + +Fix "setup.py register --list-classifiers". + +.. + +.. bpo: 18879 +.. date: 9151 +.. nonce: CEiozo +.. section: Library + +When a method is looked up on a temporary file, avoid closing the file +before the method is possibly called. + +.. + +.. bpo: 20037 +.. date: 9150 +.. nonce: Mnn2jV +.. section: Library + +Avoid crashes when opening a text file late at interpreter shutdown. + +.. + +.. bpo: 19967 +.. date: 9149 +.. nonce: 0zAW9L +.. section: Library + +Thanks to the PEP 442, asyncio.Future now uses a destructor to log uncaught +exceptions, instead of the dedicated _TracebackLogger class. + +.. + +.. bpo: 0 +.. date: 9148 +.. nonce: Gqaj5f +.. section: Library + +Added a Task.current_task() class method to asyncio. + +.. + +.. bpo: 19850 +.. date: 9147 +.. nonce: WPTJDe +.. section: Library + +Set SA_RESTART in asyncio when registering a signal handler to limit EINTR +occurrences. + +.. + +.. bpo: 0 +.. date: 9146 +.. nonce: JivAZe +.. section: Library + +Implemented write flow control in asyncio for proactor event loop (Windows). + +.. + +.. bpo: 0 +.. date: 9145 +.. nonce: WBY2wl +.. section: Library + +Change write buffer in asyncio use to avoid O(N**2) behavior. Make +write()/sendto() accept bytearray/memoryview. + +.. + +.. bpo: 20034 +.. date: 9144 +.. nonce: GlYpNX +.. section: Library + +Updated alias mapping to most recent locale.alias file from X.org +distribution using makelocalealias.py. + +.. + +.. bpo: 5815 +.. date: 9143 +.. nonce: FxSb0P +.. section: Library + +Fixed support for locales with modifiers. Fixed support for locale +encodings with hyphens. + +.. + +.. bpo: 20026 +.. date: 9142 +.. nonce: KO1jB6 +.. section: Library + +Fix the sqlite module to handle correctly invalid isolation level (wrong +type). + +.. + +.. bpo: 18829 +.. date: 9141 +.. nonce: QPwJFn +.. section: Library + +csv.Dialect() now checks type for delimiter, escapechar and quotechar +fields. Original patch by Vajrasky Kok. + +.. + +.. bpo: 19855 +.. date: 9140 +.. nonce: TtBUO6 +.. section: Library + +uuid.getnode() on Unix now looks on the PATH for the executables used to +find the mac address, with /sbin and /usr/sbin as fallbacks. + +.. + +.. bpo: 20007 +.. date: 9139 +.. nonce: IaSnPo +.. section: Library + +HTTPResponse.read(0) no more prematurely closes connection. Original patch +by Simon Sapin. + +.. + +.. bpo: 19946 +.. date: 9138 +.. nonce: hcbn92 +.. section: Library + +multiprocessing now uses runpy to initialize __main__ in child processes +when necessary, allowing it to correctly handle scripts without suffixes and +submodules that use explicit relative imports or otherwise rely on parent +modules being correctly imported prior to execution. + +.. + +.. bpo: 19921 +.. date: 9137 +.. nonce: LGeNky +.. section: Library + +When Path.mkdir() is called with parents=True, any missing parent is created +with the default permissions, ignoring the mode argument (mimicking the +POSIX "mkdir -p" command). + +.. + +.. bpo: 19887 +.. date: 9136 +.. nonce: 2jM2qA +.. section: Library + +Improve the Path.resolve() algorithm to support certain symlink chains. + +.. + +.. bpo: 19912 +.. date: 9135 +.. nonce: TviIPi +.. section: Library + +Fixed numerous bugs in ntpath.splitunc(). + +.. + +.. bpo: 19911 +.. date: 9134 +.. nonce: w1QmnT +.. section: Library + +ntpath.splitdrive() now correctly processes the 'İ' character (U+0130, LATIN +CAPITAL LETTER I WITH DOT ABOVE). + +.. + +.. bpo: 19532 +.. date: 9133 +.. nonce: vCt7bh +.. section: Library + +python -m compileall with no filename/directory arguments now respects the +-f and -q flags instead of ignoring them. + +.. + +.. bpo: 19623 +.. date: 9132 +.. nonce: zv4rIL +.. section: Library + +Fixed writing to unseekable files in the aifc module. + +.. + +.. bpo: 19946 +.. date: 9131 +.. nonce: b4Js6X +.. section: Library + +multiprocessing.spawn now raises ImportError when the module to be used as +the main module cannot be imported. + +.. + +.. bpo: 17919 +.. date: 9130 +.. nonce: H5iGXv +.. section: Library + +select.poll.register() again works with poll.POLLNVAL on AIX. Fixed integer +overflow in the eventmask parameter. + +.. + +.. bpo: 19063 +.. date: 9129 +.. nonce: pQzK1K +.. section: Library + +if a Charset's body_encoding was set to None, the email package would +generate a message claiming the Content-Transfer-Encoding was 7bit, and +produce garbage output for the content. This now works. A couple of other +set_payload mishandlings of non-ASCII are also fixed. In addition, calling +set_payload with a string argument without specifying a charset now raises +an error (this is a new error in 3.4). + +.. + +.. bpo: 15475 +.. date: 9128 +.. nonce: -vqlm1 +.. section: Library + +Add __sizeof__ implementations for itertools objects. + +.. + +.. bpo: 19944 +.. date: 9127 +.. nonce: XxQU2O +.. section: Library + +Fix importlib.find_spec() so it imports parents as needed and move the +function to importlib.util. + +.. + +.. bpo: 19880 +.. date: 9126 +.. nonce: wJls1u +.. section: Library + +Fix a reference leak in unittest.TestCase. Explicitly break reference cycles +between frames and the _Outcome instance. + +.. + +.. bpo: 17429 +.. date: 9125 +.. nonce: dlZP0_ +.. section: Library + +platform.linux_distribution() now decodes files from the UTF-8 encoding with +the surrogateescape error handler, instead of decoding from the locale +encoding in strict mode. It fixes the function on Fedora 19 which is +probably the first major distribution release with a non-ASCII name. Patch +written by Toshio Kuratomi. + +.. + +.. bpo: 19343 +.. date: 9124 +.. nonce: La15PA +.. section: Library + +Expose FreeBSD-specific APIs in resource module. Original patch by Koobs. + +.. + +.. bpo: 19929 +.. date: 9123 +.. nonce: BZDeEj +.. section: Library + +Call os.read with 32768 within subprocess.Popen.communicate rather than 4096 +for efficiency. A microbenchmark shows Linux and OS X both using ~50% less +cpu time this way. + +.. + +.. bpo: 19506 +.. date: 9122 +.. nonce: GteUMC +.. section: Library + +Use a memoryview to avoid a data copy when piping data to stdin within +subprocess.Popen.communicate. 5-10% less cpu usage. + +.. + +.. bpo: 19876 +.. date: 9121 +.. nonce: 2YXHY- +.. section: Library + +selectors unregister() no longer raises ValueError or OSError if the FD is +closed (as long as it was registered). + +.. + +.. bpo: 19908 +.. date: 9120 +.. nonce: rOsMVQ +.. section: Library + +pathlib now joins relative Windows paths correctly when a drive is present. +Original patch by Antoine Pitrou. + +.. + +.. bpo: 19296 +.. date: 9119 +.. nonce: WVPZAK +.. section: Library + +Silence compiler warning in dbm_open + +.. + +.. bpo: 6784 +.. date: 9118 +.. nonce: uxEt6F +.. section: Library + +Strings from Python 2 can now be unpickled as bytes objects by setting the +encoding argument of Unpickler to be 'bytes'. Initial patch by Merlijn van +Deen. + +.. + +.. bpo: 19839 +.. date: 9117 +.. nonce: qfP0k5 +.. section: Library + +Fix regression in bz2 module's handling of non-bzip2 data at EOF, and +analogous bug in lzma module. + +.. + +.. bpo: 19881 +.. date: 9116 +.. nonce: NKrKAh +.. section: Library + +Fix pickling bug where cpickle would emit bad pickle data for large bytes +string (i.e., with size greater than 2**32-1). + +.. + +.. bpo: 19138 +.. date: 9115 +.. nonce: xwKrX_ +.. section: Library + +doctest's IGNORE_EXCEPTION_DETAIL now allows a match when no exception +detail exists (no colon following the exception's name, or a colon does +follow but no text follows the colon). + +.. + +.. bpo: 19927 +.. date: 9114 +.. nonce: ZijD-E +.. section: Library + +Add __eq__ to path-based loaders in importlib. + +.. + +.. bpo: 19827 +.. date: 9113 +.. nonce: KBYfyd +.. section: Library + +On UNIX, setblocking() and settimeout() methods of socket.socket can now +avoid a second syscall if the ioctl() function can be used, or if the non- +blocking flag of the socket is unchanged. + +.. + +.. bpo: 19785 +.. date: 9112 +.. nonce: dTWAof +.. section: Library + +smtplib now supports SSLContext.check_hostname and server name indication +for TLS/SSL connections. + +.. + +.. bpo: 19784 +.. date: 9111 +.. nonce: t85DbS +.. section: Library + +poplib now supports SSLContext.check_hostname and server name indication for +TLS/SSL connections. + +.. + +.. bpo: 19783 +.. date: 9110 +.. nonce: VRsf8d +.. section: Library + +nntplib now supports SSLContext.check_hostname and server name indication +for TLS/SSL connections. + +.. + +.. bpo: 19782 +.. date: 9109 +.. nonce: 7jF-re +.. section: Library + +imaplib now supports SSLContext.check_hostname and server name indication +for TLS/SSL connections. + +.. + +.. bpo: 20123 +.. date: 9108 +.. nonce: o-MHVk +.. section: Library + +Fix pydoc.synopsis() for "binary" modules. + +.. + +.. bpo: 19834 +.. date: 9107 +.. nonce: rlFmTq +.. section: Library + +Support unpickling of exceptions pickled by Python 2. + +.. + +.. bpo: 19781 +.. date: 9106 +.. nonce: 4ZiyRb +.. section: Library + +ftplib now supports SSLContext.check_hostname and server name indication for +TLS/SSL connections. + +.. + +.. bpo: 19509 +.. date: 9105 +.. nonce: I2qj0u +.. section: Library + +Add SSLContext.check_hostname to match the peer's certificate with +server_hostname on handshake. + +.. + +.. bpo: 15798 +.. date: 9104 +.. nonce: 1bxNCP +.. section: Library + +Fixed subprocess.Popen() to no longer fail if file descriptor 0, 1 or 2 is +closed. + +.. + +.. bpo: 17897 +.. date: 9103 +.. nonce: 0iKzvE +.. section: Library + +Optimized unpickle prefetching. + +.. + +.. bpo: 3693 +.. date: 9102 +.. nonce: _c0s5z +.. section: Library + +Make the error message more helpful when the array.array() constructor is +given a str. Move the array module typecode documentation to the docstring +of the constructor. + +.. + +.. bpo: 19088 +.. date: 9101 +.. nonce: JBKVzp +.. section: Library + +Fixed incorrect caching of the copyreg module in object.__reduce__() and +object.__reduce_ex__(). + +.. + +.. bpo: 19698 +.. date: 9100 +.. nonce: Xcq8uC +.. section: Library + +Removed exec_module() methods from importlib.machinery.BuiltinImporter and +ExtensionFileLoader. + +.. + +.. bpo: 18864 +.. date: 9099 +.. nonce: 2CR2Xi +.. section: Library + +Added a setter for ModuleSpec.has_location. + +.. + +.. bpo: 0 +.. date: 9098 +.. nonce: UKWITk +.. section: Library + +Fixed _pickle.Unpickler to not fail when loading empty strings as persistent +IDs. + +.. + +.. bpo: 11480 +.. date: 9097 +.. nonce: qkIZLG +.. section: Library + +Fixed copy.copy to work with classes with custom metaclasses. Patch by +Daniel Urban. + +.. + +.. bpo: 6477 +.. date: 9096 +.. nonce: nK1lHr +.. section: Library + +Added support for pickling the types of built-in singletons (i.e., Ellipsis, +NotImplemented, None). + +.. + +.. bpo: 19713 +.. date: 9095 +.. nonce: UhiUKc +.. section: Library + +Add remaining PEP 451-related deprecations and move away from using +find_module/find_loaer/load_module. + +.. + +.. bpo: 19708 +.. date: 9094 +.. nonce: HJuToY +.. section: Library + +Update pkgutil to use the new importer APIs. + +.. + +.. bpo: 19703 +.. date: 9093 +.. nonce: pLtVYQ +.. section: Library + +Update pydoc to use the new importer APIs. + +.. + +.. bpo: 19851 +.. date: 9092 +.. nonce: 4HQZWz +.. section: Library + +Fixed a regression in reloading sub-modules. + +.. + +.. bpo: 0 +.. date: 9091 +.. nonce: 3H16yn +.. section: Library + +ssl.create_default_context() sets OP_NO_COMPRESSION to prevent CRIME. + +.. + +.. bpo: 19802 +.. date: 9090 +.. nonce: PswaEk +.. section: Library + +Add socket.SO_PRIORITY. + +.. + +.. bpo: 11508 +.. date: 9089 +.. nonce: fx7Abs +.. section: Library + +Fixed uuid.getnode() and uuid.uuid1() on environment with virtual interface. +Original patch by Kent Frazier. + +.. + +.. bpo: 11489 +.. date: 9088 +.. nonce: 3ZQHi8 +.. section: Library + +JSON decoder now accepts lone surrogates. + +.. + +.. bpo: 19545 +.. date: 9087 +.. nonce: 1FBY5Z +.. section: Library + +Avoid chained exceptions while passing stray % to time.strptime(). Initial +patch by Claudiu Popa. + +.. + +.. bpo: 20058 +.. date: 9086 +.. nonce: KnDlhH +.. section: IDLE + +sys.stdin.readline() in IDLE now always returns only one line. + +.. + +.. bpo: 19481 +.. date: 9085 +.. nonce: BNkHOm +.. section: IDLE + +print() of string subclass instance in IDLE no longer hangs. + +.. + +.. bpo: 18270 +.. date: 9084 +.. nonce: lu6dRW +.. section: IDLE + +Prevent possible IDLE AttributeError on OS X when no initial shell window is +present. + +.. + +.. bpo: 20055 +.. date: 9083 +.. nonce: iE7yU6 +.. section: Tests + +Fix test_shutil under Windows with symlink privileges held. Patch by +Vajrasky Kok. + +.. + +.. bpo: 20070 +.. date: 9082 +.. nonce: HpyZrQ +.. section: Tests + +Don't run test_urllib2net when network resources are not enabled. + +.. + +.. bpo: 19938 +.. date: 9081 +.. nonce: 2iLiKJ +.. section: Tests + +Re-enabled test_bug_1333982 in test_dis, which had been disabled since 3.0 +due to the changes in listcomp handling. + +.. + +.. bpo: 19320 +.. date: 9080 +.. nonce: 9x_cw5 +.. section: Tests + +test_tcl no longer fails when wantobjects is false. + +.. + +.. bpo: 19919 +.. date: 9079 +.. nonce: N9bnWv +.. section: Tests + +Fix flaky SSL test. connect_ex() sometimes returns EWOULDBLOCK on Windows or +VMs hosted on Windows. + +.. + +.. bpo: 19912 +.. date: 9078 +.. nonce: NmE9ZX +.. section: Tests + +Added tests for ntpath.splitunc(). + +.. + +.. bpo: 19828 +.. date: 9077 +.. nonce: f5HrFG +.. section: Tests + +Fixed test_site when the whole suite is run with -S. + +.. + +.. bpo: 19928 +.. date: 9076 +.. nonce: dwOQ95 +.. section: Tests + +Implemented a test for repr() of cell objects. + +.. + +.. bpo: 19535 +.. date: 9075 +.. nonce: 9ZtpA7 +.. section: Tests + +Fixed test_docxmlrpc, test_functools, test_inspect, and test_statistics when +python is run with -OO. + +.. + +.. bpo: 19926 +.. date: 9074 +.. nonce: fkWjtw +.. section: Tests + +Removed unneeded test_main from test_abstract_numbers. Patch by Vajrasky +Kok. + +.. + +.. bpo: 19572 +.. date: 9073 +.. nonce: _65KAy +.. section: Tests + +More skipped tests explicitly marked as skipped. + +.. + +.. bpo: 19595 +.. date: 9072 +.. nonce: q5oNE_ +.. section: Tests + +Re-enabled a long-disabled test in test_winsound. (See also: bpo-19987) + +.. + +.. bpo: 19588 +.. date: 9071 +.. nonce: EXKxpC +.. section: Tests + +Fixed tests in test_random that were silently skipped most of the time. +Patch by Julian Gindi. + +.. + +.. bpo: 19728 +.. date: 9070 +.. nonce: q1zXeT +.. section: Build + +Enable pip installation by default on Windows. + +.. + +.. bpo: 16136 +.. date: 9069 +.. nonce: FQGvGl +.. section: Build + +Remove VMS support + +.. + +.. bpo: 18215 +.. date: 9068 +.. nonce: yw2j0l +.. section: Build + +Add script Tools/ssl/test_multiple_versions.py to compile and run Python's +unit tests with multiple versions of OpenSSL. + +.. + +.. bpo: 19922 +.. date: 9067 +.. nonce: cG30aH +.. section: Build + +define _INCLUDE__STDC_A1_SOURCE in HP-UX to include mbstate_t for mbrtowc(). + +.. + +.. bpo: 19788 +.. date: 9066 +.. nonce: P7qrFB +.. section: Build + +kill_python(_d).exe is now run as a PreBuildEvent on the pythoncore sub- +project. This should prevent build errors due a previous build's +python(_d).exe still running. + +.. + +.. bpo: 20265 +.. date: 9065 +.. nonce: J7Xxm7 +.. section: Documentation + +Updated some parts of the Using Windows document. + +.. + +.. bpo: 20266 +.. date: 9064 +.. nonce: CieiXa +.. section: Documentation + +Updated some parts of the Windows FAQ. + +.. + +.. bpo: 20255 +.. date: 9063 +.. nonce: SnYjEP +.. section: Documentation + +Updated the about and bugs pages. + +.. + +.. bpo: 20253 +.. date: 9062 +.. nonce: nbp6uJ +.. section: Documentation + +Fixed a typo in the ipaddress docs that advertised an illegal attribute +name. Found by INADA Naoki. + +.. + +.. bpo: 18840 +.. date: 9061 +.. nonce: _2UItV +.. section: Documentation + +Introduce the json module in the tutorial, and de-emphasize the pickle +module. + +.. + +.. bpo: 19845 +.. date: 9060 +.. nonce: luj-oI +.. section: Documentation + +Updated the Compiling Python on Windows section. + +.. + +.. bpo: 19795 +.. date: 9059 +.. nonce: z5sbe1 +.. section: Documentation + +Improved markup of True/False constants. + +.. + +.. bpo: 19659 +.. date: 9058 +.. nonce: kghZl0 +.. section: Tools/Demos + +Added documentation for Argument Clinic. + +.. + +.. bpo: 19976 +.. date: 9057 +.. nonce: My60GG +.. section: Tools/Demos + +Argument Clinic METH_NOARGS functions now always take two parameters. diff --git a/Misc/NEWS.d/3.4.0b3.rst b/Misc/NEWS.d/3.4.0b3.rst new file mode 100644 index 000000000000..2b8e38652d8c --- /dev/null +++ b/Misc/NEWS.d/3.4.0b3.rst @@ -0,0 +1,665 @@ +.. bpo: 20189 +.. date: 9245 +.. nonce: OIbmmo +.. release date: 2014-01-26 +.. section: Core and Builtins + +Four additional builtin types (PyTypeObject, PyMethodDescr_Type, +_PyMethodWrapper_Type, and PyWrapperDescr_Type) have been modified to +provide introspection information for builtins. + +.. + +.. bpo: 17825 +.. date: 9244 +.. nonce: toRoZf +.. section: Core and Builtins + +Cursor "^" is correctly positioned for SyntaxError and IndentationError. + +.. + +.. bpo: 2382 +.. date: 9243 +.. nonce: kL_Sgg +.. section: Core and Builtins + +SyntaxError cursor "^" is now written at correct position in most cases when +multibyte characters are in line (before "^"). This still not works +correctly with wide East Asian characters. + +.. + +.. bpo: 18960 +.. date: 9242 +.. nonce: lhfZNw +.. section: Core and Builtins + +The first line of Python script could be executed twice when the source +encoding was specified on the second line. Now the source encoding +declaration on the second line isn't effective if the first line contains +anything except a comment. 'python -x' works now again with files with the +source encoding declarations, and can be used to make Python batch files on +Windows. + +.. + +.. bpo: 0 +.. date: 9241 +.. nonce: GB7eBz +.. section: Library + +asyncio: Various improvements and small changes not all covered by issues +listed below. E.g. wait_for() now cancels the inner task if the timeout +occcurs; tweaked the set of exported symbols; renamed Empty/Full to +QueueEmpty/QueueFull; "with (yield from lock)" now uses a separate context +manager; readexactly() raises if not enough data was read; PTY support +tweaks. + +.. + +.. bpo: 20311 +.. date: 9240 +.. nonce: -6LF_t +.. section: Library + +asyncio: Add a granularity attribute to BaseEventLoop: maximum between the +resolution of the BaseEventLoop.time() method and the resolution of the +selector. The granuarility is used in the scheduler to round time and +deadline. + +.. + +.. bpo: 20311 +.. date: 9239 +.. nonce: JgE5j7 +.. section: Library + +selectors: Add a resolution attribute to BaseSelector. + +.. + +.. bpo: 20189 +.. date: 9238 +.. nonce: L9IuSm +.. section: Library + +unittest.mock now no longer assumes that any object for which it could get +an inspect.Signature is a callable written in Python. Fix courtesy of +Michael Foord. + +.. + +.. bpo: 20317 +.. date: 9237 +.. nonce: 9JI93M +.. section: Library + +ExitStack.__exit__ could create a self-referential loop if an exception +raised by a cleanup operation already had its context set correctly (for +example, by the @contextmanager decorator). The infinite loop this caused is +now avoided by checking if the expected context is already set before trying +to fix it. + +.. + +.. bpo: 20374 +.. date: 9236 +.. nonce: EWofHb +.. section: Library + +Fix build with GNU readline >= 6.3. + +.. + +.. bpo: 20262 +.. date: 9235 +.. nonce: co0t1R +.. section: Library + +Warnings are raised now when duplicate names are added in the ZIP file or +too long ZIP file comment is truncated. + +.. + +.. bpo: 20165 +.. date: 9234 +.. nonce: PyLZUR +.. section: Library + +The unittest module no longer considers tests marked with @expectedFailure +successful if they pass. + +.. + +.. bpo: 18574 +.. date: 9233 +.. nonce: 28Z8aX +.. section: Library + +Added missing newline in 100-Continue reply from +http.server.BaseHTTPRequestHandler. Patch by Nikolaus Rath. + +.. + +.. bpo: 20270 +.. date: 9232 +.. nonce: Z2Cks9 +.. section: Library + +urllib.urlparse now supports empty ports. + +.. + +.. bpo: 20243 +.. date: 9231 +.. nonce: nApKCK +.. section: Library + +TarFile no longer raise ReadError when opened in write mode. + +.. + +.. bpo: 20238 +.. date: 9230 +.. nonce: qojq-l +.. section: Library + +TarFile opened with external fileobj and "w:gz" mode didn't write complete +output on close. + +.. + +.. bpo: 20245 +.. date: 9229 +.. nonce: 93kf_h +.. section: Library + +The open functions in the tarfile module now correctly handle empty mode. + +.. + +.. bpo: 20242 +.. date: 9228 +.. nonce: yvmL9l +.. section: Library + +Fixed basicConfig() format strings for the alternative formatting styles. +Thanks to kespindler for the bug report and patch. + +.. + +.. bpo: 20246 +.. date: 9227 +.. nonce: CC8uTq +.. section: Library + +Fix buffer overflow in socket.recvfrom_into. + +.. + +.. bpo: 20206 +.. date: 9226 +.. nonce: CtFEMz +.. section: Library + +Fix edge case in email.quoprimime.encode where it truncated lines ending in +a character needing encoding but no newline by using a more efficient +algorithm that doesn't have the bug. (See also: bpo-5803) + +.. + +.. bpo: 19082 +.. date: 9225 +.. nonce: idZnK7 +.. section: Library + +Working xmlrpc.server and xmlrpc.client examples. Both in modules and in +documentation. Initial patch contributed by Vajrasky Kok. + +.. + +.. bpo: 20138 +.. date: 9224 +.. nonce: A4c9qc +.. section: Library + +The wsgiref.application_uri() and wsgiref.request_uri() functions now +conform to PEP 3333 when handle non-ASCII URLs. + +.. + +.. bpo: 19097 +.. date: 9223 +.. nonce: 5aGg0o +.. section: Library + +Raise the correct Exception when cgi.FieldStorage is given an invalid +fileobj. + +.. + +.. bpo: 20152 +.. date: 9222 +.. nonce: eqfltY +.. section: Library + +Ported Python/import.c over to Argument Clinic. + +.. + +.. bpo: 13107 +.. date: 9221 +.. nonce: YgEEME +.. section: Library + +argparse and optparse no longer raises an exception when output a help on +environment with too small COLUMNS. Based on patch by Elazar Gershuni. + +.. + +.. bpo: 20207 +.. date: 9220 +.. nonce: ziIyF1 +.. section: Library + +Always disable SSLv2 except when PROTOCOL_SSLv2 is explicitly asked for. + +.. + +.. bpo: 18960 +.. date: 9219 +.. nonce: _8qsXn +.. section: Library + +The tokenize module now ignore the source encoding declaration on the second +line if the first line contains anything except a comment. + +.. + +.. bpo: 20078 +.. date: 9218 +.. nonce: 4FYvd_ +.. section: Library + +Reading malformed zipfiles no longer hangs with 100% CPU consumption. + +.. + +.. bpo: 20113 +.. date: 9217 +.. nonce: T6DWMh +.. section: Library + +os.readv() and os.writev() now raise an OSError exception on error instead +of returning -1. + +.. + +.. bpo: 19719 +.. date: 9216 +.. nonce: 1yF3Hm +.. section: Library + +Make importlib.abc.MetaPathFinder.find_module(), +PathEntryFinder.find_loader(), and Loader.load_module() use PEP 451 APIs to +help with backwards-compatibility. + +.. + +.. bpo: 20144 +.. date: 9215 +.. nonce: UDSyaK +.. section: Library + +inspect.Signature now supports parsing simple symbolic constants as +parameter default values in __text_signature__. + +.. + +.. bpo: 20072 +.. date: 9214 +.. nonce: FzVG15 +.. section: Library + +Fixed multiple errors in tkinter with wantobjects is False. + +.. + +.. bpo: 20229 +.. date: 9213 +.. nonce: WCDCjt +.. section: Library + +Avoid plistlib deprecation warning in platform.mac_ver(). + +.. + +.. bpo: 14455 +.. date: 9212 +.. nonce: CDaul1 +.. section: Library + +Fix some problems with the new binary plist support in plistlib. + +.. + +.. bpo: 17390 +.. date: 9211 +.. nonce: 9m6ZhV +.. section: IDLE + +Add Python version to Idle editor window title bar. Original patches by +Edmond Burnett and Kent Johnson. + +.. + +.. bpo: 18960 +.. date: 9210 +.. nonce: d87SuA +.. section: IDLE + +IDLE now ignores the source encoding declaration on the second line if the +first line contains anything except a comment. + +.. + +.. bpo: 20358 +.. date: 9209 +.. nonce: e2PP3S +.. section: Tests + +Tests for curses.window.overlay and curses.window.overwrite no longer +specify min{row,col} > max{row,col}. + +.. + +.. bpo: 19804 +.. date: 9208 +.. nonce: xIHIl7 +.. section: Tests + +The test_find_mac test in test_uuid is now skipped if the ifconfig +executable is not available. + +.. + +.. bpo: 19886 +.. date: 9207 +.. nonce: nqDFRC +.. section: Tests + +Use better estimated memory requirements for bigmem tests. + +.. + +.. bpo: 20390 +.. date: 9206 +.. nonce: QXEDu6 +.. section: Tools/Demos + +Argument Clinic's "file" output preset now defaults to +"{dirname}/clinic/{basename}.h". + +.. + +.. bpo: 20390 +.. date: 9205 +.. nonce: 7f_5Hn +.. section: Tools/Demos + +Argument Clinic's "class" directive syntax has been extended with two new +required arguments: "typedef" and "type_object". + +.. + +.. bpo: 20390 +.. date: 9204 +.. nonce: mDzhDq +.. section: Tools/Demos + +Argument Clinic: If __new__ or __init__ functions didn't use kwargs (or +args), the PyArg_NoKeywords (or PyArg_NoPositional) calls generated are only +run when the type object is an exact match. + +.. + +.. bpo: 20390 +.. date: 9203 +.. nonce: Feo6X8 +.. section: Tools/Demos + +Argument Clinic now fails if you have required parameters after optional +parameters. + +.. + +.. bpo: 20390 +.. date: 9202 +.. nonce: DrPQn0 +.. section: Tools/Demos + +Argument Clinic converters now have a new template they can inject code +into: "modifiers". Code put there is run in the parsing function after +argument parsing but before the call to the impl. + +.. + +.. bpo: 20376 +.. date: 9201 +.. nonce: Xq3E4A +.. section: Tools/Demos + +Argument Clinic now escapes backslashes in docstrings. + +.. + +.. bpo: 20381 +.. date: 9200 +.. nonce: _wqg4- +.. section: Tools/Demos + +Argument Clinic now sanity checks the default argument when c_default is +also specified, providing a nice failure message for disallowed values. + +.. + +.. bpo: 20189 +.. date: 9199 +.. nonce: zdiKDh +.. section: Tools/Demos + +Argument Clinic now ensures that parser functions for __new__ are always of +type newfunc, the type of the tp_new slot. Similarly, parser functions for +__init__ are now always of type initproc, the type of tp_init. + +.. + +.. bpo: 20189 +.. date: 9198 +.. nonce: a1Tfvj +.. section: Tools/Demos + +Argument Clinic now suppresses the docstring for __new__ and __init__ +functions if no docstring is provided in the input. + +.. + +.. bpo: 20189 +.. date: 9197 +.. nonce: uWF8XZ +.. section: Tools/Demos + +Argument Clinic now suppresses the "self" parameter in the impl for +@staticmethod functions. + +.. + +.. bpo: 20294 +.. date: 9196 +.. nonce: XeuO9b +.. section: Tools/Demos + +Argument Clinic now supports argument parsing for __new__ and __init__ +functions. + +.. + +.. bpo: 20299 +.. date: 9195 +.. nonce: yLslQI +.. section: Tools/Demos + +Argument Clinic custom converters may now change the default value of +c_default and py_default with a class member. + +.. + +.. bpo: 20287 +.. date: 9194 +.. nonce: ACjrv7 +.. section: Tools/Demos + +Argument Clinic's output is now configurable, allowing delaying its output +or even redirecting it to a separate file. + +.. + +.. bpo: 20226 +.. date: 9193 +.. nonce: GKAbRe +.. section: Tools/Demos + +Argument Clinic now permits simple expressions (e.g. "sys.maxsize - 1") as +default values for parameters. + +.. + +.. bpo: 19936 +.. date: 9192 +.. nonce: BLtXkq +.. section: Tools/Demos + +Added executable bits or shebang lines to Python scripts which requires +them. Disable executable bits and shebang lines in test and benchmark files +in order to prevent using a random system python, and in source files of +modules which don't provide command line interface. Fixed shebang lines in +the unittestgui and checkpip scripts. + +.. + +.. bpo: 20268 +.. date: 9191 +.. nonce: _-GWRe +.. section: Tools/Demos + +Argument Clinic now supports cloning the parameters and return converter of +existing functions. + +.. + +.. bpo: 20228 +.. date: 9190 +.. nonce: pQeW8t +.. section: Tools/Demos + +Argument Clinic now has special support for class special methods. + +.. + +.. bpo: 20214 +.. date: 9189 +.. nonce: OoBv_8 +.. section: Tools/Demos + +Fixed a number of small issues and documentation errors in Argument Clinic +(see issue for details). + +.. + +.. bpo: 20196 +.. date: 9188 +.. nonce: BhK2gF +.. section: Tools/Demos + +Fixed a bug where Argument Clinic did not generate correct parsing code for +functions with positional-only parameters where all arguments are optional. + +.. + +.. bpo: 18960 +.. date: 9187 +.. nonce: vONLqA +.. section: Tools/Demos + +2to3 and the findnocoding.py script now ignore the source encoding +declaration on the second line if the first line contains anything except a +comment. + +.. + +.. bpo: 19723 +.. date: 9186 +.. nonce: LApk5w +.. section: Tools/Demos + +The marker comments Argument Clinic uses have been changed to improve +readability. + +.. + +.. bpo: 20157 +.. date: 9185 +.. nonce: SvrlOc +.. section: Tools/Demos + +When Argument Clinic renames a parameter because its name collides with a C +keyword, it no longer exposes that rename to PyArg_Parse. + +.. + +.. bpo: 20141 +.. date: 9184 +.. nonce: uYixKR +.. section: Tools/Demos + +Improved Argument Clinic's support for the PyArg_Parse "O!" format unit. + +.. + +.. bpo: 20144 +.. date: 9183 +.. nonce: jUfrSz +.. section: Tools/Demos + +Argument Clinic now supports simple symbolic constants as parameter default +values. + +.. + +.. bpo: 20143 +.. date: 9182 +.. nonce: XvGuQk +.. section: Tools/Demos + +The line numbers reported in Argument Clinic errors are now more accurate. + +.. + +.. bpo: 20142 +.. date: 9181 +.. nonce: FdECT9 +.. section: Tools/Demos + +Py_buffer variables generated by Argument Clinic are now initialized with a +default value. + +.. + +.. bpo: 12837 +.. date: 9180 +.. nonce: nsgduf +.. section: Build + +Silence a tautological comparison warning on OS X under Clang in +socketmodule.c. diff --git a/Misc/NEWS.d/3.4.0rc1.rst b/Misc/NEWS.d/3.4.0rc1.rst new file mode 100644 index 000000000000..65c237e8e16c --- /dev/null +++ b/Misc/NEWS.d/3.4.0rc1.rst @@ -0,0 +1,715 @@ +.. bpo: 19255 +.. date: 9315 +.. nonce: eED7PV +.. release date: 2014-02-10 +.. section: Core and Builtins + +The builtins module is restored to initial value before cleaning other +modules. The sys and builtins modules are cleaned last. + +.. + +.. bpo: 20588 +.. date: 9314 +.. nonce: Yibtu_ +.. section: Core and Builtins + +Make Python-ast.c C89 compliant. + +.. + +.. bpo: 20437 +.. date: 9313 +.. nonce: Dmstts +.. section: Core and Builtins + +Fixed 22 potential bugs when deleting objects references. + +.. + +.. bpo: 20500 +.. date: 9312 +.. nonce: BJiIvW +.. section: Core and Builtins + +Displaying an exception at interpreter shutdown no longer risks triggering +an assertion failure in PyObject_Str. + +.. + +.. bpo: 20538 +.. date: 9311 +.. nonce: 7FRDsi +.. section: Core and Builtins + +UTF-7 incremental decoder produced inconsistent string when input was +truncated in BASE64 section. + +.. + +.. bpo: 20404 +.. date: 9310 +.. nonce: 9dU6on +.. section: Core and Builtins + +io.TextIOWrapper (and hence the open() builtin) now uses the internal codec +marking system added for issue #19619 to throw LookupError for known non- +text encodings at stream construction time. The existing output type checks +remain in place to deal with unmarked third party codecs. + +.. + +.. bpo: 17162 +.. date: 9309 +.. nonce: p4Q-Hw +.. section: Core and Builtins + +Add PyType_GetSlot. + +.. + +.. bpo: 20162 +.. date: 9308 +.. nonce: u8qICT +.. section: Core and Builtins + +Fix an alignment issue in the siphash24() hash function which caused a crash +on PowerPC 64-bit (ppc64). + +.. + +.. bpo: 20530 +.. date: 9307 +.. nonce: LXsfhK +.. section: Library + +The signatures for slot builtins have been updated to reflect the fact that +they only accept positional-only arguments. + +.. + +.. bpo: 20517 +.. date: 9306 +.. nonce: 81zuY3 +.. section: Library + +Functions in the os module that accept two filenames now register both +filenames in the exception on failure. + +.. + +.. bpo: 20563 +.. date: 9305 +.. nonce: VTqHq5 +.. section: Library + +The ipaddress module API is now considered stable. + +.. + +.. bpo: 14983 +.. date: 9304 +.. nonce: H_gs8w +.. section: Library + +email.generator now always adds a line end after each MIME boundary marker, +instead of doing so only when there is an epilogue. This fixes an RFC +compliance bug and solves an issue with signed MIME parts. + +.. + +.. bpo: 20540 +.. date: 9303 +.. nonce: rhK6IW +.. section: Library + +Fix a performance regression (vs. Python 3.2) when layering a +multiprocessing Connection over a TCP socket. For small payloads, Nagle's +algorithm would introduce idle delays before the entire transmission of a +message. + +.. + +.. bpo: 16983 +.. date: 9302 +.. nonce: MoPgVQ +.. section: Library + +the new email header parsing code will now decode encoded words that are +(incorrectly) surrounded by quotes, and register a defect. + +.. + +.. bpo: 19772 +.. date: 9301 +.. nonce: pRi-Hm +.. section: Library + +email.generator no longer mutates the message object when doing a down- +transform from 8bit to 7bit CTEs. + +.. + +.. bpo: 20536 +.. date: 9300 +.. nonce: YWe5TG +.. section: Library + +the statistics module now correctly handle Decimal instances with positive +exponents + +.. + +.. bpo: 18805 +.. date: 9299 +.. nonce: fBdyY2 +.. section: Library + +the netmask/hostmask parsing in ipaddress now more reliably filters out +illegal values and correctly allows any valid prefix length. + +.. + +.. bpo: 20481 +.. date: 9298 +.. nonce: ycaV9P +.. section: Library + +For at least Python 3.4, the statistics module will require that all inputs +for a single operation be of a single consistent type, or else a mixed of +ints and a single other consistent type. This avoids some interoperability +issues that arose with the previous approach of coercing to a suitable +common type. + +.. + +.. bpo: 20478 +.. date: 9297 +.. nonce: LVoG5Q +.. section: Library + +the statistics module now treats collections.Counter inputs like any other +iterable. + +.. + +.. bpo: 17369 +.. date: 9296 +.. nonce: ZBFAd4 +.. section: Library + +get_filename was raising an exception if the filename parameter's RFC2231 +encoding was broken in certain ways. This was a regression relative to +python2. + +.. + +.. bpo: 20013 +.. date: 9295 +.. nonce: erNy8V +.. section: Library + +Some imap servers disconnect if the current mailbox is deleted, and imaplib +did not handle that case gracefully. Now it handles the 'bye' correctly. + +.. + +.. bpo: 20531 +.. date: 9294 +.. nonce: yz_zOY +.. section: Library + +Revert 3.4 version of fix for #19063, and apply the 3.3 version. That is, +do *not* raise an error if unicode is passed to +email.message.Message.set_payload. + +.. + +.. bpo: 20476 +.. date: 9293 +.. nonce: VhH-Lc +.. section: Library + +If a non-compat32 policy is used with any of the email parsers, EmailMessage +is now used as the factory class. The factory class should really come from +the policy; that will get fixed in 3.5. + +.. + +.. bpo: 19920 +.. date: 9292 +.. nonce: _fEm-X +.. section: Library + +TarFile.list() no longer fails when outputs a listing containing non- +encodable characters. Based on patch by Vajrasky Kok. + +.. + +.. bpo: 20515 +.. date: 9291 +.. nonce: JrEnar +.. section: Library + +Fix NULL pointer dereference introduced by issue #20368. + +.. + +.. bpo: 19186 +.. date: 9290 +.. nonce: cuiicK +.. section: Library + +Restore namespacing of expat symbols inside the pyexpat module. + +.. + +.. bpo: 20053 +.. date: 9289 +.. nonce: vy5u-i +.. section: Library + +ensurepip (and hence venv) are no longer affected by the settings in the +default pip configuration file. + +.. + +.. bpo: 20426 +.. date: 9288 +.. nonce: f0ozAP +.. section: Library + +When passing the re.DEBUG flag, re.compile() displays the debug output every +time it is called, regardless of the compilation cache. + +.. + +.. bpo: 20368 +.. date: 9287 +.. nonce: I8sm7u +.. section: Library + +The null character now correctly passed from Tcl to Python. Improved error +handling in variables-related commands. + +.. + +.. bpo: 20435 +.. date: 9286 +.. nonce: _UNhlH +.. section: Library + +Fix _pyio.StringIO.getvalue() to take into account newline translation +settings. + +.. + +.. bpo: 0 +.. date: 9285 +.. nonce: 2Jcf1f +.. section: Library + +tracemalloc: Fix slicing traces and fix slicing a traceback. + +.. + +.. bpo: 20354 +.. date: 9284 +.. nonce: kn2Ns9 +.. section: Library + +Fix an alignment issue in the tracemalloc module on 64-bit platforms. Bug +seen on 64-bit Linux when using "make profile-opt". + +.. + +.. bpo: 17159 +.. date: 9283 +.. nonce: c2P911 +.. section: Library + +inspect.signature now accepts duck types of functions, which adds support +for Cython functions. Initial patch by Stefan Behnel. + +.. + +.. bpo: 18801 +.. date: 9282 +.. nonce: Tm4jxb +.. section: Library + +Fix inspect.classify_class_attrs to correctly classify object.__new__ and +object.__init__. + +.. + +.. bpo: 0 +.. date: 9281 +.. nonce: 3eFjFu +.. section: Library + +Fixed cmath.isinf's name in its argument parsing code. + +.. + +.. bpo: 20311 +.. date: 9280 +.. nonce: f1lBLr +.. section: Library + +poll and epoll now round the timeout away from zero, instead of rounding +towards zero, in select and selectors modules: select.epoll.poll(), +selectors.PollSelector.poll() and selectors.EpollSelector.poll(). For +example, a timeout of one microsecond (1e-6) is now rounded to one +millisecondi (1e-3), instead of being rounded to zero. However, the +granularity property and asyncio's resolution feature were removed again. +(See also: bpo-20452) + +.. + +.. bpo: 0 +.. date: 9279 +.. nonce: qcxztP +.. section: Library + +asyncio: Some refactoring; various fixes; add write flow control to unix +pipes; Future.set_exception() instantiates the exception argument if it is a +class; improved proactor pipe transport; support wait_for(f, None); don't +log broken/disconnected pipes; use ValueError instead of assert for +forbidden subprocess_{shell,exec} arguments; added a convenience API for +subprocess management; added StreamReader.at_eof(); properly handle +duplicate coroutines/futures in gather(), wait(), as_completed(); use a +bytearray for buffering in StreamReader; and more. + +.. + +.. bpo: 20288 +.. date: 9278 +.. nonce: 6zUZe3 +.. section: Library + +fix handling of invalid numeric charrefs in HTMLParser. + +.. + +.. bpo: 20424 +.. date: 9277 +.. nonce: deh6LJ +.. section: Library + +Python implementation of io.StringIO now supports lone surrogates. + +.. + +.. bpo: 20308 +.. date: 9276 +.. nonce: lquugc +.. section: Library + +inspect.signature now works on classes without user-defined __init__ or +__new__ methods. + +.. + +.. bpo: 20372 +.. date: 9275 +.. nonce: Mn_S78 +.. section: Library + +inspect.getfile (and a bunch of other inspect functions that use it) doesn't +crash with unexpected AttributeError on classes defined in C without +__module__. + +.. + +.. bpo: 20356 +.. date: 9274 +.. nonce: rD04St +.. section: Library + +inspect.signature formatting uses '/' to separate positional-only parameters +from others. + +.. + +.. bpo: 20223 +.. date: 9273 +.. nonce: y3icbD +.. section: Library + +inspect.signature now supports methods defined with +functools.partialmethods. + +.. + +.. bpo: 19456 +.. date: 9272 +.. nonce: 6HhsFx +.. section: Library + +ntpath.join() now joins relative paths correctly when a drive is present. + +.. + +.. bpo: 19077 +.. date: 9271 +.. nonce: xrOYHl +.. section: Library + +tempfile.TemporaryDirectory cleanup no longer fails when called during +shutdown. Emitting resource warning in __del__ no longer fails. Original +patch by Antoine Pitrou. + +.. + +.. bpo: 20394 +.. date: 9270 +.. nonce: HzRZRc +.. section: Library + +Silence Coverity warning in audioop module. + +.. + +.. bpo: 20367 +.. date: 9269 +.. nonce: K0bFqf +.. section: Library + +Fix behavior of concurrent.futures.as_completed() for duplicate arguments. +Patch by Glenn Langford. + +.. + +.. bpo: 8260 +.. date: 9268 +.. nonce: nf7gg9 +.. section: Library + +The read(), readline() and readlines() methods of codecs.StreamReader +returned incomplete data when were called after readline() or read(size). +Based on patch by Amaury Forgeot d'Arc. + +.. + +.. bpo: 20105 +.. date: 9267 +.. nonce: foel6V +.. section: Library + +the codec exception chaining now correctly sets the traceback of the +original exception as its __traceback__ attribute. + +.. + +.. bpo: 17481 +.. date: 9266 +.. nonce: RrGlJS +.. section: Library + +inspect.getfullargspec() now uses inspect.signature() API. + +.. + +.. bpo: 15304 +.. date: 9265 +.. nonce: GfZ2Sa +.. section: Library + +concurrent.futures.wait() can block forever even if Futures have completed. +Patch by Glenn Langford. + +.. + +.. bpo: 14455 +.. date: 9264 +.. nonce: bk3GTQ +.. section: Library + +plistlib: fix serializing integers in the range of an unsigned long long but +outside of the range of signed long long for binary plist files. + +.. + +.. bpo: 20406 +.. date: 9263 +.. nonce: AgBe_5 +.. section: IDLE + +Use Python application icons for Idle window title bars. Patch mostly by +Serhiy Storchaka. + +.. + +.. bpo: 0 +.. date: 9262 +.. nonce: FTwP_j +.. section: IDLE + +Update the python.gif icon for the Idle classbrowser and pathbowser from the +old green snake to the new blue and yellow snakes. + +.. + +.. bpo: 17721 +.. date: 9261 +.. nonce: 8Jh8C1 +.. section: IDLE + +Remove non-functional configuration dialog help button until we make it +actually gives some help when clicked. Patch by Guilherme Simões. + +.. + +.. bpo: 20532 +.. date: 9260 +.. nonce: qsOt4d +.. section: Tests + +Tests which use _testcapi now are marked as CPython only. + +.. + +.. bpo: 19920 +.. date: 9259 +.. nonce: suOIC7 +.. section: Tests + +Added tests for TarFile.list(). Based on patch by Vajrasky Kok. + +.. + +.. bpo: 19990 +.. date: 9258 +.. nonce: Lp1MVj +.. section: Tests + +Added tests for the imghdr module. Based on patch by Claudiu Popa. + +.. + +.. bpo: 20474 +.. date: 9257 +.. nonce: Jm7xrk +.. section: Tests + +Fix test_socket "unexpected success" failures on OS X 10.7+. + +.. + +.. bpo: 20530 +.. date: 9256 +.. nonce: dqn540 +.. section: Tools/Demos + +Argument Clinic's signature format has been revised again. The new syntax is +highly human readable while still preventing false positives. The syntax +also extends Python syntax to denote "self" and positional-only parameters, +allowing inspect.Signature objects to be totally accurate for all supported +builtins in Python 3.4. + +.. + +.. bpo: 20456 +.. date: 9255 +.. nonce: RA_zxP +.. section: Tools/Demos + +Argument Clinic now observes the C preprocessor conditional compilation +statements of the C files it parses. When a Clinic block is inside a +conditional code, it adjusts its output to match, including automatically +generating an empty methoddef macro. + +.. + +.. bpo: 20456 +.. date: 9254 +.. nonce: tYeVw1 +.. section: Tools/Demos + +Cloned functions in Argument Clinic now use the correct name, not the name +of the function they were cloned from, for text strings inside generated +code. + +.. + +.. bpo: 20456 +.. date: 9253 +.. nonce: vG6PXO +.. section: Tools/Demos + +Fixed Argument Clinic's test suite and "--converters" feature. + +.. + +.. bpo: 20456 +.. date: 9252 +.. nonce: E-qgFP +.. section: Tools/Demos + +Argument Clinic now allows specifying different names for a parameter in +Python and C, using "as" on the parameter line. + +.. + +.. bpo: 20326 +.. date: 9251 +.. nonce: 1nRUAK +.. section: Tools/Demos + +Argument Clinic now uses a simple, unique signature to annotate text +signatures in docstrings, resulting in fewer false positives. "self" +parameters are also explicitly marked, allowing inspect.Signature() to +authoritatively detect (and skip) said parameters. + +.. + +.. bpo: 20326 +.. date: 9250 +.. nonce: eVlPqt +.. section: Tools/Demos + +Argument Clinic now generates separate checksums for the input and output +sections of the block, allowing external tools to verify that the input has +not changed (and thus the output is not out-of-date). + +.. + +.. bpo: 20465 +.. date: 9249 +.. nonce: 6xLtE3 +.. section: Build + +Update SQLite shipped with OS X installer to 3.8.3. + +.. + +.. bpo: 20517 +.. date: 9248 +.. nonce: PHWtoF +.. section: C API + +Added new functions allowing OSError exceptions to reference two filenames +instead of one: PyErr_SetFromErrnoWithFilenameObjects() and +PyErr_SetExcFromWindowsErrWithFilenameObjects(). + +.. + +.. bpo: 20488 +.. date: 9247 +.. nonce: csO04J +.. section: Documentation + +Change wording to say importlib is *the* implementation of import instead of +just *an* implementation. + +.. + +.. bpo: 6386 +.. date: 9246 +.. nonce: TO2sFS +.. section: Documentation + +Clarify in the tutorial that specifying a symlink to execute means the +directory containing the executed script and not the symlink is added to +sys.path. diff --git a/Misc/NEWS.d/3.4.0rc2.rst b/Misc/NEWS.d/3.4.0rc2.rst new file mode 100644 index 000000000000..776715c82f05 --- /dev/null +++ b/Misc/NEWS.d/3.4.0rc2.rst @@ -0,0 +1,177 @@ +.. bpo: 20625 +.. date: 9332 +.. nonce: IA5Cu9 +.. release date: 2014-02-23 +.. section: Core and Builtins + +Parameter names in __annotations__ were not mangled properly. Discovered by +Jonas Wielicki, patch by Yury Selivanov. + +.. + +.. bpo: 20261 +.. date: 9331 +.. nonce: xyA9tG +.. section: Core and Builtins + +In pickle, lookup __getnewargs__ and __getnewargs_ex__ on the type of the +object. + +.. + +.. bpo: 20619 +.. date: 9330 +.. nonce: GtdhSO +.. section: Core and Builtins + +Give the AST nodes of keyword-only arguments a column and line number. + +.. + +.. bpo: 20526 +.. date: 9329 +.. nonce: wZEy32 +.. section: Core and Builtins + +Revert changes of issue #19466 which introduces a regression: don't clear +anymore the state of Python threads early during the Python shutdown. + +.. + +.. bpo: 20710 +.. date: 9328 +.. nonce: byega8 +.. section: Library + +The pydoc summary line no longer displays the "self" parameter for bound +methods. + +.. + +.. bpo: 20566 +.. date: 9327 +.. nonce: R8yrPZ +.. section: Library + +Change asyncio.as_completed() to use a Queue, to avoid O(N**2) behavior. + +.. + +.. bpo: 20704 +.. date: 9326 +.. nonce: QQ4uy4 +.. section: Library + +Implement new debug API in asyncio. Add new methods +BaseEventLoop.set_debug() and BaseEventLoop.get_debug(). Add support for +setting 'asyncio.tasks._DEBUG' variable with 'PYTHONASYNCIODEBUG' +environment variable. + +.. + +.. bpo: 0 +.. date: 9325 +.. nonce: Ocnov- +.. section: Library + +asyncio: Refactoring and fixes: BaseEventLoop.sock_connect() raises an error +if the address is not resolved; use __slots__ in Handle and TimerHandle; +as_completed() and wait() raise TypeError if the passed list of Futures is a +single Future; call_soon() and other 'call_*()' functions raise TypeError if +the passed callback is a coroutine function; _ProactorBasePipeTransport uses +_FlowControlMixin; WriteTransport.set_write_buffer_size() calls +_maybe_pause_protocol() to consider pausing receiving if the watermark +limits have changed; fix _check_resolved_address() for IPv6 address; and +other minor improvements, along with multiple documentation updates. + +.. + +.. bpo: 20684 +.. date: 9324 +.. nonce: EArKf9 +.. section: Library + +Fix inspect.getfullargspec() to not to follow __wrapped__ chains. Make its +behaviour consistent with bound methods first argument. Patch by Nick +Coghlan and Yury Selivanov. + +.. + +.. bpo: 20681 +.. date: 9323 +.. nonce: O8EUu8 +.. section: Library + +Add new error handling API in asyncio. New APIs: +loop.set_exception_handler(), loop.default_exception_handler(), and +loop.call_exception_handler(). + +.. + +.. bpo: 20673 +.. date: 9322 +.. nonce: bLJpSo +.. section: Library + +Implement support for UNIX Domain Sockets in asyncio. New APIs: +loop.create_unix_connection(), loop.create_unix_server(), +streams.open_unix_connection(), and streams.start_unix_server(). + +.. + +.. bpo: 20616 +.. date: 9321 +.. nonce: 9fIygg +.. section: Library + +Add a format() method to tracemalloc.Traceback. + +.. + +.. bpo: 19744 +.. date: 9320 +.. nonce: fL4Brl +.. section: Library + +the ensurepip installation step now just prints a warning to stderr rather +than failing outright if SSL/TLS is unavailable. This allows local +installation of POSIX builds without SSL/TLS support. + +.. + +.. bpo: 20594 +.. date: 9319 +.. nonce: BVHxPd +.. section: Library + +Avoid name clash with the libc function posix_close. + +.. + +.. bpo: 20641 +.. date: 9318 +.. nonce: kAo-M- +.. section: Build + +Run MSI custom actions (pip installation, pyc compilation) with the +NoImpersonate flag, to support elevated execution (UAC). + +.. + +.. bpo: 20221 +.. date: 9317 +.. nonce: _yAetK +.. section: Build + +Removed conflicting (or circular) hypot definition when compiled with VS +2010 or above. Initial patch by Tabrez Mohammed. + +.. + +.. bpo: 20609 +.. date: 9316 +.. nonce: IMbrDQ +.. section: Build + +Restored the ability to build 64-bit Windows binaries on 32-bit Windows, +which was broken by the change in issue #19788. diff --git a/Misc/NEWS.d/3.4.0rc3.rst b/Misc/NEWS.d/3.4.0rc3.rst new file mode 100644 index 000000000000..4e98334f7a09 --- /dev/null +++ b/Misc/NEWS.d/3.4.0rc3.rst @@ -0,0 +1,66 @@ +.. bpo: 20786 +.. date: 9339 +.. nonce: M_2OYE +.. release date: 2014-03-09 +.. section: Core and Builtins + +Fix signatures for dict.__delitem__ and property.__delete__ builtins. + +.. + +.. bpo: 20839 +.. date: 9338 +.. nonce: SNn1MY +.. section: Library + +Don't trigger a DeprecationWarning in the still supported +pkgutil.get_loader() API when __loader__ isn't set on a module (nor when +pkgutil.find_loader() is called directly). + +.. + +.. bpo: 14512 +.. date: 9337 +.. nonce: y7vmx3 +.. section: Build + +Launch pydoc -b instead of pydocgui.pyw on Windows. + +.. + +.. bpo: 20748 +.. date: 9336 +.. nonce: HbDp_u +.. section: Build + +Uninstalling pip does not leave behind the pyc of the uninstaller anymore. + +.. + +.. bpo: 20568 +.. date: 9335 +.. nonce: ZvMU8d +.. section: Build + +The Windows installer now installs the unversioned ``pip`` command in +addition to the versioned ``pip3`` and ``pip3.4`` commands. + +.. + +.. bpo: 20757 +.. date: 9334 +.. nonce: BGFT6U +.. section: Build + +The ensurepip helper for the Windows uninstaller now skips uninstalling pip +(rather than failing) if the user has updated pip to a different version +from the one bundled with ensurepip. + +.. + +.. bpo: 20465 +.. date: 9333 +.. nonce: iemVBC +.. section: Build + +Update OS X and Windows installer builds to use SQLite 3.8.3.1. diff --git a/Misc/NEWS.d/3.4.1.rst b/Misc/NEWS.d/3.4.1.rst new file mode 100644 index 000000000000..c6dfb71bd4fb --- /dev/null +++ b/Misc/NEWS.d/3.4.1.rst @@ -0,0 +1,117 @@ +.. bpo: 21418 +.. date: 9446 +.. nonce: z9jp1_ +.. release date: 2014-05-18 +.. section: Core and Builtins + +Fix a crash in the builtin function super() when called without argument and +without current frame (ex: embedded Python). + +.. + +.. bpo: 21425 +.. date: 9445 +.. nonce: i3Teb8 +.. section: Core and Builtins + +Fix flushing of standard streams in the interactive interpreter. + +.. + +.. bpo: 21435 +.. date: 9444 +.. nonce: ZojVOT +.. section: Core and Builtins + +In rare cases, when running finalizers on objects in cyclic trash a bad +pointer dereference could occur due to a subtle flaw in internal iteration +logic. + +.. + +.. bpo: 10744 +.. date: 9443 +.. nonce: kfV0wm +.. section: Library + +Fix PEP 3118 format strings on ctypes objects with a nontrivial shape. + +.. + +.. bpo: 20998 +.. date: 9442 +.. nonce: fkxpXI +.. section: Library + +Fixed re.fullmatch() of repeated single character pattern with ignore case. +Original patch by Matthew Barnett. + +.. + +.. bpo: 21075 +.. date: 9441 +.. nonce: f_hmEh +.. section: Library + +fileinput.FileInput now reads bytes from standard stream if binary mode is +specified. Patch by Sam Kimbrel. + +.. + +.. bpo: 21396 +.. date: 9440 +.. nonce: cqO6DN +.. section: Library + +Fix TextIOWrapper(..., write_through=True) to not force a flush() on the +underlying binary stream. Patch by akira. + +.. + +.. bpo: 21470 +.. date: 9439 +.. nonce: uH-yCD +.. section: Library + +Do a better job seeding the random number generator by using enough bytes to +span the full state space of the Mersenne Twister. + +.. + +.. bpo: 21398 +.. date: 9438 +.. nonce: nOXq5V +.. section: Library + +Fix an unicode error in the pydoc pager when the documentation contains +characters not encodable to the stdout encoding. + +.. + +.. bpo: 17756 +.. date: 9437 +.. nonce: LLfbfU +.. section: Tests + +Fix test_code test when run from the installed location. + +.. + +.. bpo: 17752 +.. date: 9436 +.. nonce: P8iG44 +.. section: Tests + +Fix distutils tests when run from the installed location. + +.. + +.. bpo: 18104 +.. date: 9435 +.. nonce: 8Fj9Pf +.. section: IDLE + +Add idlelib/idle_test/htest.py with a few sample tests to begin +consolidating and improving human-validated tests of Idle. Change other +files as needed to work with htest. Running the module as __main__ runs all +tests. diff --git a/Misc/NEWS.d/3.4.1rc1.rst b/Misc/NEWS.d/3.4.1rc1.rst new file mode 100644 index 000000000000..3d1229e4cd92 --- /dev/null +++ b/Misc/NEWS.d/3.4.1rc1.rst @@ -0,0 +1,913 @@ +.. bpo: 21274 +.. date: 9434 +.. nonce: fVGfwq +.. release date: 2014-05-05 +.. section: Core and Builtins + +Define PATH_MAX for GNU/Hurd in Python/pythonrun.c. + +.. + +.. bpo: 21209 +.. date: 9433 +.. nonce: nMljFr +.. section: Core and Builtins + +Fix sending tuples to custom generator objects with the yield from syntax. + +.. + +.. bpo: 21134 +.. date: 9432 +.. nonce: ZL4SKo +.. section: Core and Builtins + +Fix segfault when str is called on an uninitialized UnicodeEncodeError, +UnicodeDecodeError, or UnicodeTranslateError object. + +.. + +.. bpo: 19537 +.. date: 9431 +.. nonce: AkuC_J +.. section: Core and Builtins + +Fix PyUnicode_DATA() alignment under m68k. Patch by Andreas Schwab. + +.. + +.. bpo: 20929 +.. date: 9430 +.. nonce: 9NlUR7 +.. section: Core and Builtins + +Add a type cast to avoid shifting a negative number. + +.. + +.. bpo: 20731 +.. date: 9429 +.. nonce: _03SZg +.. section: Core and Builtins + +Properly position in source code files even if they are opened in text mode. +Patch by Serhiy Storchaka. + +.. + +.. bpo: 20637 +.. date: 9428 +.. nonce: ppYU0o +.. section: Core and Builtins + +Key-sharing now also works for instance dictionaries of subclasses. Patch +by Peter Ingebretson. + +.. + +.. bpo: 12546 +.. date: 9427 +.. nonce: 09naZ9 +.. section: Core and Builtins + +Allow ``\x00`` to be used as a fill character when using str, int, float, +and complex __format__ methods. + +.. + +.. bpo: 13598 +.. date: 9426 +.. nonce: GJelrw +.. section: Core and Builtins + +Modify string.Formatter to support auto-numbering of replacement fields. It +now matches the behavior of str.format() in this regard. Patches by Phil +Elson and Ramchandra Apte. + +.. + +.. bpo: 21088 +.. date: 9425 +.. nonce: WOg7Xy +.. section: Library + +Bugfix for curses.window.addch() regression in 3.4.0. In porting to Argument +Clinic, the first two arguments were reversed. + +.. + +.. bpo: 21469 +.. date: 9424 +.. nonce: _fFGuq +.. section: Library + +Reduced the risk of false positives in robotparser by checking to make sure +that robots.txt has been read or does not exist prior to returning True in +can_fetch(). + +.. + +.. bpo: 21321 +.. date: 9423 +.. nonce: wUkTON +.. section: Library + +itertools.islice() now releases the reference to the source iterator when +the slice is exhausted. Patch by Anton Afanasyev. + +.. + +.. bpo: 9815 +.. date: 9422 +.. nonce: 52FPlI +.. section: Library + +assertRaises now tries to clear references to local variables in the +exception's traceback. + +.. + +.. bpo: 13204 +.. date: 9421 +.. nonce: ZPKA5g +.. section: Library + +Calling sys.flags.__new__ would crash the interpreter, now it raises a +TypeError. + +.. + +.. bpo: 19385 +.. date: 9420 +.. nonce: PexO_g +.. section: Library + +Make operations on a closed dbm.dumb database always raise the same +exception. + +.. + +.. bpo: 21207 +.. date: 9419 +.. nonce: Hr72AB +.. section: Library + +Detect when the os.urandom cached fd has been closed or replaced, and open +it anew. + +.. + +.. bpo: 21291 +.. date: 9418 +.. nonce: 5sSLWN +.. section: Library + +subprocess's Popen.wait() is now thread safe so that multiple threads may be +calling wait() or poll() on a Popen instance at the same time without losing +the Popen.returncode value. + +.. + +.. bpo: 21127 +.. date: 9417 +.. nonce: A1aBjG +.. section: Library + +Path objects can now be instantiated from str subclass instances (such as +``numpy.str_``). + +.. + +.. bpo: 15002 +.. date: 9416 +.. nonce: qorYDe +.. section: Library + +urllib.response object to use _TemporaryFileWrapper (and +_TemporaryFileCloser) facility. Provides a better way to handle file +descriptor close. Patch contributed by Christian Theune. + +.. + +.. bpo: 12220 +.. date: 9415 +.. nonce: U25uE9 +.. section: Library + +mindom now raises a custom ValueError indicating it doesn't support spaces +in URIs instead of letting a 'split' ValueError bubble up. + +.. + +.. bpo: 21239 +.. date: 9414 +.. nonce: EalCNt +.. section: Library + +patch.stopall() didn't work deterministically when the same name was patched +more than once. + +.. + +.. bpo: 21222 +.. date: 9413 +.. nonce: G6MQBP +.. section: Library + +Passing name keyword argument to mock.create_autospec now works. + +.. + +.. bpo: 21197 +.. date: 9412 +.. nonce: Gzfqdl +.. section: Library + +Add lib64 -> lib symlink in venvs on 64-bit non-OS X POSIX. + +.. + +.. bpo: 17498 +.. date: 9411 +.. nonce: LR9xyb +.. section: Library + +Some SMTP servers disconnect after certain errors, violating strict RFC +conformance. Instead of losing the error code when we issue the subsequent +RSET, smtplib now returns the error code and defers raising the +SMTPServerDisconnected error until the next command is issued. + +.. + +.. bpo: 17826 +.. date: 9410 +.. nonce: z0zMRV +.. section: Library + +setting an iterable side_effect on a mock function created by +create_autospec now works. Patch by Kushal Das. + +.. + +.. bpo: 7776 +.. date: 9409 +.. nonce: K5S2Pe +.. section: Library + +Fix ``Host:`` header and reconnection when using +http.client.HTTPConnection.set_tunnel(). Patch by Nikolaus Rath. + +.. + +.. bpo: 20968 +.. date: 9408 +.. nonce: 53Aagz +.. section: Library + +unittest.mock.MagicMock now supports division. Patch by Johannes Baiter. + +.. + +.. bpo: 21529 +.. date: 9407 +.. nonce: 57R_Fc +.. section: Library + +Fix arbitrary memory access in JSONDecoder.raw_decode with a negative second +parameter. Bug reported by Guido Vranken. (See also: CVE-2014-4616) + +.. + +.. bpo: 21169 +.. date: 9406 +.. nonce: KE7B0M +.. section: Library + +getpass now handles non-ascii characters that the input stream encoding +cannot encode by re-encoding using the replace error handler. + +.. + +.. bpo: 21171 +.. date: 9405 +.. nonce: iUbV9S +.. section: Library + +Fixed undocumented filter API of the rot13 codec. Patch by Berker Peksag. + +.. + +.. bpo: 21172 +.. date: 9404 +.. nonce: dQ7yY7 +.. section: Library + +isinstance check relaxed from dict to collections.Mapping. + +.. + +.. bpo: 21155 +.. date: 9403 +.. nonce: JSKEE7 +.. section: Library + +asyncio.EventLoop.create_unix_server() now raises a ValueError if path and +sock are specified at the same time. + +.. + +.. bpo: 21149 +.. date: 9402 +.. nonce: cnjwMR +.. section: Library + +Improved thread-safety in logging cleanup during interpreter shutdown. +Thanks to Devin Jeanpierre for the patch. + +.. + +.. bpo: 20145 +.. date: 9401 +.. nonce: FP5FY0 +.. section: Library + +`assertRaisesRegex` and `assertWarnsRegex` now raise a TypeError if the +second argument is not a string or compiled regex. + +.. + +.. bpo: 21058 +.. date: 9400 +.. nonce: IhluPP +.. section: Library + +Fix a leak of file descriptor in :func:`tempfile.NamedTemporaryFile`, close +the file descriptor if :func:`io.open` fails + +.. + +.. bpo: 21200 +.. date: 9399 +.. nonce: Kht8yD +.. section: Library + +Return None from pkgutil.get_loader() when __spec__ is missing. + +.. + +.. bpo: 21013 +.. date: 9398 +.. nonce: 3s8Ic0 +.. section: Library + +Enhance ssl.create_default_context() when used for server side sockets to +provide better security by default. + +.. + +.. bpo: 20633 +.. date: 9397 +.. nonce: 6kaPjT +.. section: Library + +Replace relative import by absolute import. + +.. + +.. bpo: 20980 +.. date: 9396 +.. nonce: cYszHY +.. section: Library + +Stop wrapping exception when using ThreadPool. + +.. + +.. bpo: 21082 +.. date: 9395 +.. nonce: GLzGlV +.. section: Library + +In os.makedirs, do not set the process-wide umask. Note this changes +behavior of makedirs when exist_ok=True. + +.. + +.. bpo: 20990 +.. date: 9394 +.. nonce: PBfjW3 +.. section: Library + +Fix issues found by pyflakes for multiprocessing. + +.. + +.. bpo: 21015 +.. date: 9393 +.. nonce: xnwWAH +.. section: Library + +SSL contexts will now automatically select an elliptic curve for ECDH key +exchange on OpenSSL 1.0.2 and later, and otherwise default to "prime256v1". + +.. + +.. bpo: 20995 +.. date: 9392 +.. nonce: YfhicZ +.. section: Library + +Enhance default ciphers used by the ssl module to enable better security an +prioritize perfect forward secrecy. + +.. + +.. bpo: 20884 +.. date: 9391 +.. nonce: qNmub_ +.. section: Library + +Don't assume that __file__ is defined on importlib.__init__. + +.. + +.. bpo: 21499 +.. date: 9390 +.. nonce: wU4OBi +.. section: Library + +Ignore __builtins__ in several test_importlib.test_api tests. + +.. + +.. bpo: 20879 +.. date: 9389 +.. nonce: myeYdq +.. section: Library + +Delay the initialization of encoding and decoding tables for base32, ascii85 +and base85 codecs in the base64 module, and delay the initialization of the +unquote_to_bytes() table of the urllib.parse module, to not waste memory if +these modules are not used. + +.. + +.. bpo: 19157 +.. date: 9388 +.. nonce: V1-XhC +.. section: Library + +Include the broadcast address in the usuable hosts for IPv6 in ipaddress. + +.. + +.. bpo: 11599 +.. date: 9387 +.. nonce: 9QOXf4 +.. section: Library + +When an external command (e.g. compiler) fails, distutils now prints out the +whole command line (instead of just the command name) if the environment +variable DISTUTILS_DEBUG is set. + +.. + +.. bpo: 4931 +.. date: 9386 +.. nonce: uF10hr +.. section: Library + +distutils should not produce unhelpful "error: None" messages anymore. +distutils.util.grok_environment_error is kept but doc-deprecated. + +.. + +.. bpo: 20875 +.. date: 9385 +.. nonce: IjfI5V +.. section: Library + +Prevent possible gzip "'read' is not defined" NameError. Patch by Claudiu +Popa. + +.. + +.. bpo: 11558 +.. date: 9384 +.. nonce: pxrsmq +.. section: Library + +``email.message.Message.attach`` now returns a more useful error message if +``attach`` is called on a message for which ``is_multipart`` is False. + +.. + +.. bpo: 20283 +.. date: 9383 +.. nonce: v0Vs9V +.. section: Library + +RE pattern methods now accept the string keyword parameters as documented. +The pattern and source keyword parameters are left as deprecated aliases. + +.. + +.. bpo: 20778 +.. date: 9382 +.. nonce: g_fAGI +.. section: Library + +Fix modulefinder to work with bytecode-only modules. + +.. + +.. bpo: 20791 +.. date: 9381 +.. nonce: n_zrkc +.. section: Library + +copy.copy() now doesn't make a copy when the input is a bytes object. +Initial patch by Peter Otten. + +.. + +.. bpo: 19748 +.. date: 9380 +.. nonce: kiA171 +.. section: Library + +On AIX, time.mktime() now raises an OverflowError for year outsize range +[1902; 2037]. + +.. + +.. bpo: 20816 +.. date: 9379 +.. nonce: DFMEgN +.. section: Library + +Fix inspect.getcallargs() to raise correct TypeError for missing keyword- +only arguments. Patch by Jeremiah Lowin. + +.. + +.. bpo: 20817 +.. date: 9378 +.. nonce: O5XyZB +.. section: Library + +Fix inspect.getcallargs() to fail correctly if more than 3 arguments are +missing. Patch by Jeremiah Lowin. + +.. + +.. bpo: 6676 +.. date: 9377 +.. nonce: CJu5On +.. section: Library + +Ensure a meaningful exception is raised when attempting to parse more than +one XML document per pyexpat xmlparser instance. (Original patches by +Hirokazu Yamamoto and Amaury Forgeot d'Arc, with suggested wording by David +Gutteridge) + +.. + +.. bpo: 21117 +.. date: 9376 +.. nonce: hyH7EK +.. section: Library + +Fix inspect.signature to better support functools.partial. Due to the +specifics of functools.partial implementation, positional-or-keyword +arguments passed as keyword arguments become keyword-only. + +.. + +.. bpo: 21209 +.. date: 9375 +.. nonce: wRE7Dn +.. section: Library + +Fix asyncio.tasks.CoroWrapper to workaround a bug in yield-from +implementation in CPythons prior to 3.4.1. + +.. + +.. bpo: 0 +.. date: 9374 +.. nonce: Q1I78Z +.. section: Library + +asyncio: Add gi_{frame,running,code} properties to CoroWrapper (upstream +issue #163). + +.. + +.. bpo: 21311 +.. date: 9373 +.. nonce: JsDF8H +.. section: Library + +Avoid exception in _osx_support with non-standard compiler configurations. +Patch by John Szakmeister. + +.. + +.. bpo: 11571 +.. date: 9372 +.. nonce: RPeGNo +.. section: Library + +Ensure that the turtle window becomes the topmost window when launched on OS +X. + +.. + +.. bpo: 21276 +.. date: 9371 +.. nonce: JkfhvQ +.. section: Library + +posixmodule: Don't define USE_XATTRS on KFreeBSD and the Hurd. + +.. + +.. bpo: 21226 +.. date: 9370 +.. nonce: pzGmG1 +.. section: Library + +Set up modules properly in PyImport_ExecCodeModuleObject (and friends). + +.. + +.. bpo: 21139 +.. date: 9369 +.. nonce: kqetng +.. section: IDLE + +Change default paragraph width to 72, the PEP 8 recommendation. + +.. + +.. bpo: 21284 +.. date: 9368 +.. nonce: KKJfmv +.. section: IDLE + +Paragraph reformat test passes after user changes reformat width. + +.. + +.. bpo: 17654 +.. date: 9367 +.. nonce: NbzhNS +.. section: IDLE + +Ensure IDLE menus are customized properly on OS X for non-framework builds +and for all variants of Tk. + +.. + +.. bpo: 0 +.. date: 9366 +.. nonce: QfpS73 +.. section: Build + +The Windows build now includes OpenSSL 1.0.1g + +.. + +.. bpo: 21285 +.. date: 9365 +.. nonce: cU9p2E +.. section: Build + +Refactor and fix curses configure check to always search in a ncursesw +directory. + +.. + +.. bpo: 15234 +.. date: 9364 +.. nonce: vlM720 +.. section: Build + +For BerkelyDB and Sqlite, only add the found library and include directories +if they aren't already being searched. This avoids an explicit runtime +library dependency. + +.. + +.. bpo: 20644 +.. date: 9363 +.. nonce: aV0zq7 +.. section: Build + +OS X installer build support for documentation build changes in 3.4.1: +assume externally supplied sphinx-build is available in /usr/bin. + +.. + +.. bpo: 20942 +.. date: 9362 +.. nonce: qHLJ5- +.. section: C API + +PyImport_ImportFrozenModuleObject() no longer sets __file__ to match what +importlib does; this affects _frozen_importlib as well as any module loaded +using imp.init_frozen(). + +.. + +.. bpo: 17386 +.. date: 9361 +.. nonce: ivaGLb +.. section: Documentation + +Expanded functionality of the ``Doc/make.bat`` script to make it much more +comparable to ``Doc/Makefile``. + +.. + +.. bpo: 21043 +.. date: 9360 +.. nonce: oEOC8O +.. section: Documentation + +Remove the recommendation for specific CA organizations and to mention the +ability to load the OS certificates. + +.. + +.. bpo: 20765 +.. date: 9359 +.. nonce: Rv3GgV +.. section: Documentation + +Add missing documentation for PurePath.with_name() and +PurePath.with_suffix(). + +.. + +.. bpo: 19407 +.. date: 9358 +.. nonce: mRyNnG +.. section: Documentation + +New package installation and distribution guides based on the Python +Packaging Authority tools. Existing guides have been retained as legacy +links from the distutils docs, as they still contain some required reference +material for tool developers that isn't recorded anywhere else. + +.. + +.. bpo: 19697 +.. date: 9357 +.. nonce: 2jMQBP +.. section: Documentation + +Document cases where __main__.__spec__ is None. + +.. + +.. bpo: 18604 +.. date: 9356 +.. nonce: Q00Xrj +.. section: Tests + +Consolidated checks for GUI availability. All platforms now at least check +whether Tk can be instantiated when the GUI resource is requested. + +.. + +.. bpo: 21275 +.. date: 9355 +.. nonce: lI5FkX +.. section: Tests + +Fix a socket test on KFreeBSD. + +.. + +.. bpo: 21223 +.. date: 9354 +.. nonce: lMY6ka +.. section: Tests + +Pass test_site/test_startup_imports when some of the extensions are built as +builtins. + +.. + +.. bpo: 20635 +.. date: 9353 +.. nonce: mzWmoS +.. section: Tests + +Added tests for Tk geometry managers. + +.. + +.. bpo: 0 +.. date: 9352 +.. nonce: E5XNqr +.. section: Tests + +Add test case for freeze. + +.. + +.. bpo: 20743 +.. date: 9351 +.. nonce: hxZQUf +.. section: Tests + +Fix a reference leak in test_tcl. + +.. + +.. bpo: 21097 +.. date: 9350 +.. nonce: gsUesm +.. section: Tests + +Move test_namespace_pkgs into test_importlib. + +.. + +.. bpo: 20939 +.. date: 9349 +.. nonce: x3KQ35 +.. section: Tests + +Avoid various network test failures due to new redirect of +http://www.python.org/ to https://www.python.org: use http://www.example.com +instead. + +.. + +.. bpo: 20668 +.. date: 9348 +.. nonce: IWjOSC +.. section: Tests + +asyncio tests no longer rely on tests.txt file. (Patch by Vajrasky Kok) + +.. + +.. bpo: 21093 +.. date: 9347 +.. nonce: CcpRim +.. section: Tests + +Prevent failures of ctypes test_macholib on OS X if a copy of libz exists in +$HOME/lib or /usr/local/lib. + +.. + +.. bpo: 0 +.. date: 9346 +.. nonce: _-ge-g +.. section: Tools/Demos + +Add support for ``yield from`` to 2to3. + +.. + +.. bpo: 0 +.. date: 9345 +.. nonce: dpFbyZ +.. section: Tools/Demos + +Add support for the PEP 465 matrix multiplication operator to 2to3. + +.. + +.. bpo: 16047 +.. date: 9344 +.. nonce: IsgTzm +.. section: Tools/Demos + +Fix module exception list and __file__ handling in freeze. Patch by Meador +Inge. + +.. + +.. bpo: 11824 +.. date: 9343 +.. nonce: OBWc3T +.. section: Tools/Demos + +Consider ABI tags in freeze. Patch by Meador Inge. + +.. + +.. bpo: 20535 +.. date: 9342 +.. nonce: 0qkvZZ +.. section: Tools/Demos + +PYTHONWARNING no longer affects the run_tests.py script. Patch by Arfrever +Frehtes Taifersar Arahesis. diff --git a/Misc/NEWS.d/3.4.2.rst b/Misc/NEWS.d/3.4.2.rst new file mode 100644 index 000000000000..eb9544d0c9f4 --- /dev/null +++ b/Misc/NEWS.d/3.4.2.rst @@ -0,0 +1,77 @@ +.. bpo: 10510 +.. date: 9589 +.. nonce: N-ntcD +.. release date: 2014-10-06 +.. section: Library + +distutils register and upload methods now use HTML standards compliant CRLF +line endings. + +.. + +.. bpo: 9850 +.. date: 9588 +.. nonce: D-UnVi +.. section: Library + +Fixed macpath.join() for empty first component. Patch by Oleg Oshmyan. + +.. + +.. bpo: 22427 +.. date: 9587 +.. nonce: TZ5S_u +.. section: Library + +TemporaryDirectory no longer attempts to clean up twice when used in the +with statement in generator. + +.. + +.. bpo: 20912 +.. date: 9586 +.. nonce: cAq3mZ +.. section: Library + +Now directories added to ZIP file have correct Unix and MS-DOS directory +attributes. + +.. + +.. bpo: 21866 +.. date: 9585 +.. nonce: hSc4wM +.. section: Library + +ZipFile.close() no longer writes ZIP64 central directory records if +allowZip64 is false. + +.. + +.. bpo: 22415 +.. date: 9584 +.. nonce: xJLAvI +.. section: Library + +Fixed debugging output of the GROUPREF_EXISTS opcode in the re module. +Removed trailing spaces in debugging output. + +.. + +.. bpo: 22423 +.. date: 9583 +.. nonce: Rtb4oT +.. section: Library + +Unhandled exception in thread no longer causes unhandled AttributeError when +sys.stderr is None. + +.. + +.. bpo: 21332 +.. date: 9582 +.. nonce: Gwxwlr +.. section: Library + +Ensure that ``bufsize=1`` in subprocess.Popen() selects line buffering, +rather than block buffering. Patch by Akira Li. diff --git a/Misc/NEWS.d/3.4.2rc1.rst b/Misc/NEWS.d/3.4.2rc1.rst new file mode 100644 index 000000000000..219eaa00d784 --- /dev/null +++ b/Misc/NEWS.d/3.4.2rc1.rst @@ -0,0 +1,1332 @@ +.. bpo: 22258 +.. date: 9581 +.. nonce: tVwANS +.. release date: 2014-09-22 +.. section: Core and Builtins + +Fix the the internal function set_inheritable() on Illumos. This platform +exposes the function ``ioctl(FIOCLEX)``, but calling it fails with errno is +ENOTTY: "Inappropriate ioctl for device". set_inheritable() now falls back +to the slower ``fcntl()`` (``F_GETFD`` and then ``F_SETFD``). + +.. + +.. bpo: 21669 +.. date: 9580 +.. nonce: DFDrBA +.. section: Core and Builtins + +With the aid of heuristics in SyntaxError.__init__, the parser now attempts +to generate more meaningful (or at least more search engine friendly) error +messages when "exec" and "print" are used as statements. + +.. + +.. bpo: 21642 +.. date: 9579 +.. nonce: -lWoKz +.. section: Core and Builtins + +In the conditional if-else expression, allow an integer written with no +space between itself and the ``else`` keyword (e.g. ``True if 42else +False``) to be valid syntax. + +.. + +.. bpo: 21523 +.. date: 9578 +.. nonce: f_PPYO +.. section: Core and Builtins + +Fix over-pessimistic computation of the stack effect of some opcodes in the +compiler. This also fixes a quadratic compilation time issue noticeable +when compiling code with a large number of "and" and "or" operators. + +.. + +.. bpo: 21091 +.. date: 9577 +.. nonce: uNtYPQ +.. section: Library + +Fix API bug: email.message.EmailMessage.is_attachment is now a method. +Since EmailMessage is provisional, we can change the API in a maintenance +release, but we use a trick to remain backward compatible with 3.4.0/1. + +.. + +.. bpo: 21079 +.. date: 9576 +.. nonce: czVcL8 +.. section: Library + +Fix email.message.EmailMessage.is_attachment to return the correct result +when the header has parameters as well as a value. + +.. + +.. bpo: 22247 +.. date: 9575 +.. nonce: sGIpR3 +.. section: Library + +Add NNTPError to nntplib.__all__. + +.. + +.. bpo: 4180 +.. date: 9574 +.. nonce: QBx0JK +.. section: Library + +The warnings registries are now reset when the filters are modified. + +.. + +.. bpo: 22419 +.. date: 9573 +.. nonce: FqH4aC +.. section: Library + +Limit the length of incoming HTTP request in wsgiref server to 65536 bytes +and send a 414 error code for higher lengths. Patch contributed by Devin +Cook. + +.. + +.. bpo: 0 +.. date: 9572 +.. nonce: y7r3O2 +.. section: Library + +Lax cookie parsing in http.cookies could be a security issue when combined +with non-standard cookie handling in some Web browsers. Reported by Sergey +Bobrov. + +.. + +.. bpo: 22384 +.. date: 9571 +.. nonce: -Nl4He +.. section: Library + +An exception in Tkinter callback no longer crashes the program when it is +run with pythonw.exe. + +.. + +.. bpo: 22168 +.. date: 9570 +.. nonce: vLeKWC +.. section: Library + +Prevent turtle AttributeError with non-default Canvas on OS X. + +.. + +.. bpo: 21147 +.. date: 9569 +.. nonce: kXNoOn +.. section: Library + +sqlite3 now raises an exception if the request contains a null character +instead of truncate it. Based on patch by Victor Stinner. + +.. + +.. bpo: 21951 +.. date: 9568 +.. nonce: 3vS4LK +.. section: Library + +Fixed a crash in Tkinter on AIX when called Tcl command with empty string or +tuple argument. + +.. + +.. bpo: 21951 +.. date: 9567 +.. nonce: _CCC4v +.. section: Library + +Tkinter now most likely raises MemoryError instead of crash if the memory +allocation fails. + +.. + +.. bpo: 22338 +.. date: 9566 +.. nonce: rKlCMz +.. section: Library + +Fix a crash in the json module on memory allocation failure. + +.. + +.. bpo: 22226 +.. date: 9565 +.. nonce: T1ZMPY +.. section: Library + +First letter no longer is stripped from the "status" key in the result of +Treeview.heading(). + +.. + +.. bpo: 19524 +.. date: 9564 +.. nonce: EQJjlF +.. section: Library + +Fixed resource leak in the HTTP connection when an invalid response is +received. Patch by Martin Panter. + +.. + +.. bpo: 22051 +.. date: 9563 +.. nonce: cUjFqL +.. section: Library + +turtledemo no longer reloads examples to re-run them. Initialization of +variables and gui setup should be done in main(), which is called each time +a demo is run, but not on import. + +.. + +.. bpo: 21933 +.. date: 9562 +.. nonce: IhMjN1 +.. section: Library + +Turtledemo users can change the code font size with a menu selection or +control(command) '-' or '+' or control-mousewheel. Original patch by Lita +Cho. + +.. + +.. bpo: 21597 +.. date: 9561 +.. nonce: aPTCWJ +.. section: Library + +The separator between the turtledemo text pane and the drawing canvas can +now be grabbed and dragged with a mouse. The code text pane can be widened +to easily view or copy the full width of the text. The canvas can be +widened on small screens. Original patches by Jan Kanis and Lita Cho. + +.. + +.. bpo: 18132 +.. date: 9560 +.. nonce: 2R2nwM +.. section: Library + +Turtledemo buttons no longer disappear when the window is shrunk. Original +patches by Jan Kanis and Lita Cho. + +.. + +.. bpo: 22216 +.. date: 9559 +.. nonce: Cmalu6 +.. section: Library + +smtplib now resets its state more completely after a quit. The most obvious +consequence of the previous behavior was a STARTTLS failure during a +connect/starttls/quit/connect/starttls sequence. + +.. + +.. bpo: 22185 +.. date: 9558 +.. nonce: 1SCCIK +.. section: Library + +Fix an occasional RuntimeError in threading.Condition.wait() caused by +mutation of the waiters queue without holding the lock. Patch by Doug +Zongker. + +.. + +.. bpo: 22182 +.. date: 9557 +.. nonce: 5EG1Bc +.. section: Library + +Use e.args to unpack exceptions correctly in distutils.file_util.move_file. +Patch by Claudiu Popa. + +.. + +.. bpo: 0 +.. date: 9556 +.. nonce: zBfe8J +.. section: Library + +The webbrowser module now uses subprocess's start_new_session=True rather +than a potentially risky preexec_fn=os.setsid call. + +.. + +.. bpo: 22236 +.. date: 9555 +.. nonce: 1utXkg +.. section: Library + +Fixed Tkinter images copying operations in NoDefaultRoot mode. + +.. + +.. bpo: 22191 +.. date: 9554 +.. nonce: PWX4GO +.. section: Library + +Fix warnings.__all__. + +.. + +.. bpo: 15696 +.. date: 9553 +.. nonce: PTwXYJ +.. section: Library + +Add a __sizeof__ implementation for mmap objects on Windows. + +.. + +.. bpo: 22068 +.. date: 9552 +.. nonce: wCdaW0 +.. section: Library + +Avoided reference loops with Variables and Fonts in Tkinter. + +.. + +.. bpo: 22165 +.. date: 9551 +.. nonce: J1np4o +.. section: Library + +SimpleHTTPRequestHandler now supports undecodable file names. + +.. + +.. bpo: 8797 +.. date: 9550 +.. nonce: aJcIPu +.. section: Library + +Raise HTTPError on failed Basic Authentication immediately. Initial patch by +Sam Bull. + +.. + +.. bpo: 20729 +.. date: 9549 +.. nonce: I-1Lap +.. section: Library + +Restored the use of lazy iterkeys()/itervalues()/iteritems() in the mailbox +module. + +.. + +.. bpo: 21448 +.. date: 9548 +.. nonce: THJSYB +.. section: Library + +Changed FeedParser feed() to avoid O(N**2) behavior when parsing long line. +Original patch by Raymond Hettinger. + +.. + +.. bpo: 22184 +.. date: 9547 +.. nonce: UCbSOt +.. section: Library + +The functools LRU Cache decorator factory now gives an earlier and clearer +error message when the user forgets the required parameters. + +.. + +.. bpo: 17923 +.. date: 9546 +.. nonce: YI_QjG +.. section: Library + +glob() patterns ending with a slash no longer match non-dirs on AIX. Based +on patch by Delhallt. + +.. + +.. bpo: 21121 +.. date: 9545 +.. nonce: ZLsRil +.. section: Library + +Don't force 3rd party C extensions to be built with -Werror=declaration- +after-statement. + +.. + +.. bpo: 21975 +.. date: 9544 +.. nonce: MI8ntO +.. section: Library + +Fixed crash when using uninitialized sqlite3.Row (in particular when +unpickling pickled sqlite3.Row). sqlite3.Row is now initialized in the +__new__() method. + +.. + +.. bpo: 21580 +.. date: 9543 +.. nonce: QCkeUh +.. section: Library + +Now Tkinter correctly handles bytes arguments passed to Tk. In particular +this allows to initialize images from binary data. + +.. + +.. bpo: 17172 +.. date: 9542 +.. nonce: R_LI_2 +.. section: Library + +Make turtledemo start as active on OS X even when run with subprocess. +Patch by Lita Cho. + +.. + +.. bpo: 21704 +.. date: 9541 +.. nonce: gL3ikj +.. section: Library + +Fix build error for _multiprocessing when semaphores are not available. +Patch by Arfrever Frehtes Taifersar Arahesis. + +.. + +.. bpo: 0 +.. date: 9540 +.. nonce: G25tq3 +.. section: Library + +Fix repr(_socket.socket) on Windows 64-bit: don't fail with OverflowError on +closed socket. repr(socket.socket) already works fine. + +.. + +.. bpo: 16133 +.. date: 9539 +.. nonce: tYuYQF +.. section: Library + +The asynchat.async_chat.handle_read() method now ignores BlockingIOError +exceptions. + +.. + +.. bpo: 22044 +.. date: 9538 +.. nonce: t09GRU +.. section: Library + +Fixed premature DECREF in call_tzinfo_method. Patch by Tom Flanagan. + +.. + +.. bpo: 19884 +.. date: 9537 +.. nonce: 6cbo0V +.. section: Library + +readline: Disable the meta modifier key if stdout is not a terminal to not +write the ANSI sequence "\033[1034h" into stdout. This sequence is used on +some terminal (ex: TERM=xterm-256color") to enable support of 8 bit +characters. + +.. + +.. bpo: 21888 +.. date: 9536 +.. nonce: danlpz +.. section: Library + +plistlib's load() and loads() now work if the fmt parameter is specified. + +.. + +.. bpo: 21044 +.. date: 9535 +.. nonce: 16xo9u +.. section: Library + +tarfile.open() now handles fileobj with an integer 'name' attribute. Based +on patch by Antoine Pietri. + +.. + +.. bpo: 21867 +.. date: 9534 +.. nonce: Ui-F3o +.. section: Library + +Prevent turtle crash due to invalid undo buffer size. + +.. + +.. bpo: 19076 +.. date: 9533 +.. nonce: xCoIai +.. section: Library + +Don't pass the redundant 'file' argument to self.error(). + +.. + +.. bpo: 21942 +.. date: 9532 +.. nonce: TLOS41 +.. section: Library + +Fixed source file viewing in pydoc's server mode on Windows. + +.. + +.. bpo: 11259 +.. date: 9531 +.. nonce: GxfYnE +.. section: Library + +asynchat.async_chat().set_terminator() now raises a ValueError if the number +of received bytes is negative. + +.. + +.. bpo: 12523 +.. date: 9530 +.. nonce: XBdAky +.. section: Library + +asynchat.async_chat.push() now raises a TypeError if it doesn't get a bytes +string + +.. + +.. bpo: 21707 +.. date: 9529 +.. nonce: rrY_wd +.. section: Library + +Add missing kwonlyargcount argument to ModuleFinder.replace_paths_in_code(). + +.. + +.. bpo: 20639 +.. date: 9528 +.. nonce: YdvOpp +.. section: Library + +calling Path.with_suffix('') allows removing the suffix again. Patch by +July Tikhonov. + +.. + +.. bpo: 21714 +.. date: 9527 +.. nonce: HhkGXW +.. section: Library + +Disallow the construction of invalid paths using Path.with_name(). Original +patch by Antony Lee. + +.. + +.. bpo: 21897 +.. date: 9526 +.. nonce: kiOGHe +.. section: Library + +Fix a crash with the f_locals attribute with closure variables when +frame.clear() has been called. + +.. + +.. bpo: 21151 +.. date: 9525 +.. nonce: o7IuiD +.. section: Library + +Fixed a segfault in the winreg module when ``None`` is passed as a +``REG_BINARY`` value to SetValueEx. Patch by John Ehresman. + +.. + +.. bpo: 21090 +.. date: 9524 +.. nonce: 20Ooif +.. section: Library + +io.FileIO.readall() does not ignore I/O errors anymore. Before, it ignored +I/O errors if at least the first C call read() succeed. + +.. + +.. bpo: 21781 +.. date: 9523 +.. nonce: u_oiv9 +.. section: Library + +ssl.RAND_add() now supports strings longer than 2 GB. + +.. + +.. bpo: 11453 +.. date: 9522 +.. nonce: 53Gr_R +.. section: Library + +asyncore: emit a ResourceWarning when an unclosed file_wrapper object is +destroyed. The destructor now closes the file if needed. The close() method +can now be called twice: the second call does nothing. + +.. + +.. bpo: 21858 +.. date: 9521 +.. nonce: 0hbFBG +.. section: Library + +Better handling of Python exceptions in the sqlite3 module. + +.. + +.. bpo: 21476 +.. date: 9520 +.. nonce: VN-5pW +.. section: Library + +Make sure the email.parser.BytesParser TextIOWrapper is discarded after +parsing, so the input file isn't unexpectedly closed. + +.. + +.. bpo: 21729 +.. date: 9519 +.. nonce: dk7o_U +.. section: Library + +Used the "with" statement in the dbm.dumb module to ensure files closing. +Patch by Claudiu Popa. + +.. + +.. bpo: 21491 +.. date: 9518 +.. nonce: Zxmut- +.. section: Library + +socketserver: Fix a race condition in child processes reaping. + +.. + +.. bpo: 21832 +.. date: 9517 +.. nonce: PBA0Uu +.. section: Library + +Require named tuple inputs to be exact strings. + +.. + +.. bpo: 19145 +.. date: 9516 +.. nonce: cRrKpW +.. section: Library + +The times argument for itertools.repeat now handles negative values the same +way for keyword arguments as it does for positional arguments. + +.. + +.. bpo: 21812 +.. date: 9515 +.. nonce: 6T4FsQ +.. section: Library + +turtle.shapetransform did not tranform the turtle on the first call. (Issue +identified and fixed by Lita Cho.) + +.. + +.. bpo: 21635 +.. date: 9514 +.. nonce: ET3OJZ +.. section: Library + +The difflib SequenceMatcher.get_matching_blocks() method cache didn't match +the actual result. The former was a list of tuples and the latter was a +list of named tuples. + +.. + +.. bpo: 21722 +.. date: 9513 +.. nonce: WTHuRy +.. section: Library + +The distutils "upload" command now exits with a non-zero return code when +uploading fails. Patch by Martin Dengler. + +.. + +.. bpo: 21723 +.. date: 9512 +.. nonce: r86fwb +.. section: Library + +asyncio.Queue: support any type of number (ex: float) for the maximum size. +Patch written by Vajrasky Kok. + +.. + +.. bpo: 21326 +.. date: 9511 +.. nonce: Y6iW3s +.. section: Library + +Add a new is_closed() method to asyncio.BaseEventLoop. run_forever() and +run_until_complete() methods of asyncio.BaseEventLoop now raise an exception +if the event loop was closed. + +.. + +.. bpo: 21774 +.. date: 9510 +.. nonce: vxORUY +.. section: Library + +Fixed NameError for an incorrect variable reference in the XML Minidom code +for creating processing instructions. (Found and fixed by Claudiu Popa.) + +.. + +.. bpo: 21766 +.. date: 9509 +.. nonce: 0xk_xC +.. section: Library + +Prevent a security hole in CGIHTTPServer by URL unquoting paths before +checking for a CGI script at that path. + +.. + +.. bpo: 21310 +.. date: 9508 +.. nonce: 2mjByJ +.. section: Library + +Fixed possible resource leak in failed open(). + +.. + +.. bpo: 21677 +.. date: 9507 +.. nonce: 58CDDD +.. section: Library + +Fixed chaining nonnormalized exceptions in io close() methods. + +.. + +.. bpo: 11709 +.. date: 9506 +.. nonce: JdObvL +.. section: Library + +Fix the pydoc.help function to not fail when sys.stdin is not a valid file. + +.. + +.. bpo: 13223 +.. date: 9505 +.. nonce: 9AzEbN +.. section: Library + +Fix pydoc.writedoc so that the HTML documentation for methods that use +'self' in the example code is generated correctly. + +.. + +.. bpo: 21463 +.. date: 9504 +.. nonce: 09PsgH +.. section: Library + +In urllib.request, fix pruning of the FTP cache. + +.. + +.. bpo: 21618 +.. date: 9503 +.. nonce: 3Z7WS3 +.. section: Library + +The subprocess module could fail to close open fds that were inherited by +the calling process and already higher than POSIX resource limits would +otherwise allow. On systems with a functioning /proc/self/fd or /dev/fd +interface the max is now ignored and all fds are closed. + +.. + +.. bpo: 21552 +.. date: 9502 +.. nonce: uVy4tM +.. section: Library + +Fixed possible integer overflow of too long string lengths in the tkinter +module on 64-bit platforms. + +.. + +.. bpo: 14315 +.. date: 9501 +.. nonce: YzZzS8 +.. section: Library + +The zipfile module now ignores extra fields in the central directory that +are too short to be parsed instead of letting a struct.unpack error bubble +up as this "bad data" appears in many real world zip files in the wild and +is ignored by other zip tools. + +.. + +.. bpo: 21402 +.. date: 9500 +.. nonce: 51vDXt +.. section: Library + +tkinter.ttk now works when default root window is not set. + +.. + +.. bpo: 10203 +.. date: 9499 +.. nonce: zgr0hh +.. section: Library + +sqlite3.Row now truly supports sequence protocol. In particular it supports +reverse() and negative indices. Original patch by Claudiu Popa. + +.. + +.. bpo: 18807 +.. date: 9498 +.. nonce: XP7p8B +.. section: Library + +If copying (no symlinks) specified for a venv, then the python interpreter +aliases (python, python3) are now created by copying rather than symlinking. + +.. + +.. bpo: 14710 +.. date: 9497 +.. nonce: x7-soG +.. section: Library + +pkgutil.get_loader() no longer raises an exception when None is found in +sys.modules. + +.. + +.. bpo: 14710 +.. date: 9496 +.. nonce: ZWaxa5 +.. section: Library + +pkgutil.find_loader() no longer raises an exception when a module doesn't +exist. + +.. + +.. bpo: 21481 +.. date: 9495 +.. nonce: YDrlf7 +.. section: Library + +Argparse equality and inequality tests now return NotImplemented when +comparing to an unknown type. + +.. + +.. bpo: 8743 +.. date: 9494 +.. nonce: I6_2r3 +.. section: Library + +Fix interoperability between set objects and the collections.Set() abstract +base class. + +.. + +.. bpo: 13355 +.. date: 9493 +.. nonce: gCByXK +.. section: Library + +random.triangular() no longer fails with a ZeroDivisionError when low equals +high. + +.. + +.. bpo: 21538 +.. date: 9492 +.. nonce: Q60FWA +.. section: Library + +The plistlib module now supports loading of binary plist files when +reference or offset size is not a power of two. + +.. + +.. bpo: 21801 +.. date: 9491 +.. nonce: rzfhYl +.. section: Library + +Validate that __signature__ is None or an instance of Signature. + +.. + +.. bpo: 21923 +.. date: 9490 +.. nonce: hXnoZa +.. section: Library + +Prevent AttributeError in distutils.sysconfig.customize_compiler due to +possible uninitialized _config_vars. + +.. + +.. bpo: 21323 +.. date: 9489 +.. nonce: quiWfl +.. section: Library + +Fix http.server to again handle scripts in CGI subdirectories, broken by the +fix for security issue #19435. Patch by Zach Byrne. + +.. + +.. bpo: 22176 +.. date: 9488 +.. nonce: rgbRyg +.. section: Library + +Update the ctypes module's libffi to v3.1. This release adds support for +the Linux AArch64 and POWERPC ELF ABIv2 little endian architectures. + +.. + +.. bpo: 15661 +.. date: 9487 +.. nonce: i1O-4J +.. section: Build + +python.org OS X installers are now distributed as signed installer packages +compatible with the Gatekeeper security feature. + +.. + +.. bpo: 21958 +.. date: 9486 +.. nonce: 3rq4qR +.. section: Build + +Define HAVE_ROUND when building with Visual Studio 2013 and above. Patch by +Zachary Turner. + +.. + +.. bpo: 15759 +.. date: 9485 +.. nonce: iGLR6O +.. section: Build + +"make suspicious", "make linkcheck" and "make doctest" in Doc/ now display +special message when and only when there are failures. + +.. + +.. bpo: 17095 +.. date: 9484 +.. nonce: -XEBIU +.. section: Build + +Fix Modules/Setup *shared* support. + +.. + +.. bpo: 21811 +.. date: 9483 +.. nonce: 3_Xyr- +.. section: Build + +Anticipated fixes to support OS X versions > 10.9. + +.. + +.. bpo: 21166 +.. date: 9482 +.. nonce: KAl7aO +.. section: Build + +Prevent possible segfaults and other random failures of python --generate- +posix-vars in pybuilddir.txt build target. + +.. + +.. bpo: 17390 +.. date: 9481 +.. nonce: I4vHFh +.. section: IDLE + +Adjust Editor window title; remove 'Python', move version to end. + +.. + +.. bpo: 14105 +.. date: 9480 +.. nonce: 0YozkO +.. section: IDLE + +Idle debugger breakpoints no longer disappear when inseting or deleting +lines. + +.. + +.. bpo: 17172 +.. date: 9479 +.. nonce: R8jkU1 +.. section: IDLE + +Turtledemo can now be run from Idle. Currently, the entry is on the Help +menu, but it may move to Run. Patch by Ramchandra Apt and Lita Cho. + +.. + +.. bpo: 21765 +.. date: 9478 +.. nonce: JyiDbd +.. section: IDLE + +Add support for non-ascii identifiers to HyperParser. + +.. + +.. bpo: 21940 +.. date: 9477 +.. nonce: VlIRz7 +.. section: IDLE + +Add unittest for WidgetRedirector. Initial patch by Saimadhav Heblikar. + +.. + +.. bpo: 18592 +.. date: 9476 +.. nonce: sMG-SZ +.. section: IDLE + +Add unittest for SearchDialogBase. Patch by Phil Webster. + +.. + +.. bpo: 21694 +.. date: 9475 +.. nonce: 1oLmRo +.. section: IDLE + +Add unittest for ParenMatch. Patch by Saimadhav Heblikar. + +.. + +.. bpo: 21686 +.. date: 9474 +.. nonce: TAkFB0 +.. section: IDLE + +add unittest for HyperParser. Original patch by Saimadhav Heblikar. + +.. + +.. bpo: 12387 +.. date: 9473 +.. nonce: XO7Ozk +.. section: IDLE + +Add missing upper(lower)case versions of default Windows key bindings for +Idle so Caps Lock does not disable them. Patch by Roger Serwy. + +.. + +.. bpo: 21695 +.. date: 9472 +.. nonce: g-t0Tm +.. section: IDLE + +Closing a Find-in-files output window while the search is still in progress +no longer closes Idle. + +.. + +.. bpo: 18910 +.. date: 9471 +.. nonce: ke8lMK +.. section: IDLE + +Add unittest for textView. Patch by Phil Webster. + +.. + +.. bpo: 18292 +.. date: 9470 +.. nonce: ks_3wm +.. section: IDLE + +Add unittest for AutoExpand. Patch by Saihadhav Heblikar. + +.. + +.. bpo: 18409 +.. date: 9469 +.. nonce: 7fe-aK +.. section: IDLE + +Add unittest for AutoComplete. Patch by Phil Webster. + +.. + +.. bpo: 22166 +.. date: 9468 +.. nonce: sZYhmv +.. section: Tests + +With the assistance of a new internal _codecs._forget_codec helping +function, test_codecs now clears the encoding caches to avoid the appearance +of a reference leak + +.. + +.. bpo: 22236 +.. date: 9467 +.. nonce: ginJSI +.. section: Tests + +Tkinter tests now don't reuse default root window. New root window is +created for every test class. + +.. + +.. bpo: 20746 +.. date: 9466 +.. nonce: N2pzAY +.. section: Tests + +Fix test_pdb to run in refleak mode (-R). Patch by Xavier de Gaye. + +.. + +.. bpo: 22060 +.. date: 9465 +.. nonce: TduJNO +.. section: Tests + +test_ctypes has been somewhat cleaned up and simplified; it now uses +unittest test discovery to find its tests. + +.. + +.. bpo: 22104 +.. date: 9464 +.. nonce: -YYDup +.. section: Tests + +regrtest.py no longer holds a reference to the suite of tests loaded from +test modules that don't define test_main(). + +.. + +.. bpo: 22002 +.. date: 9463 +.. nonce: jpiaA2 +.. section: Tests + +Added ``load_package_tests`` function to test.support and used it to +implement/augment test discovery in test_asyncio, test_email, +test_importlib, test_json, and test_tools. + +.. + +.. bpo: 21976 +.. date: 9462 +.. nonce: Slq6se +.. section: Tests + +Fix test_ssl to accept LibreSSL version strings. Thanks to William Orr. + +.. + +.. bpo: 21918 +.. date: 9461 +.. nonce: QTFFSj +.. section: Tests + +Converted test_tools from a module to a package containing separate test +files for each tested script. + +.. + +.. bpo: 20155 +.. date: 9460 +.. nonce: nphzS3 +.. section: Tests + +Changed HTTP method names in failing tests in test_httpservers so that +packet filtering software (specifically Windows Base Filtering Engine) does +not interfere with the transaction semantics expected by the tests. + +.. + +.. bpo: 19493 +.. date: 9459 +.. nonce: SwbzLQ +.. section: Tests + +Refactored the ctypes test package to skip tests explicitly rather than +silently. + +.. + +.. bpo: 18492 +.. date: 9458 +.. nonce: ylPRU7 +.. section: Tests + +All resources are now allowed when tests are not run by regrtest.py. + +.. + +.. bpo: 21634 +.. date: 9457 +.. nonce: Eng06F +.. section: Tests + +Fix pystone micro-benchmark: use floor division instead of true division to +benchmark integers instead of floating point numbers. Set pystone version to +1.2. Patch written by Lennart Regebro. + +.. + +.. bpo: 21605 +.. date: 9456 +.. nonce: qsLV8d +.. section: Tests + +Added tests for Tkinter images. + +.. + +.. bpo: 21493 +.. date: 9455 +.. nonce: NqhRsy +.. section: Tests + +Added test for ntpath.expanduser(). Original patch by Claudiu Popa. + +.. + +.. bpo: 19925 +.. date: 9454 +.. nonce: dhMx08 +.. section: Tests + +Added tests for the spwd module. Original patch by Vajrasky Kok. + +.. + +.. bpo: 21522 +.. date: 9453 +.. nonce: b-VwFW +.. section: Tests + +Added Tkinter tests for Listbox.itemconfigure(), +PanedWindow.paneconfigure(), and Menu.entryconfigure(). + +.. + +.. bpo: 21777 +.. date: 9452 +.. nonce: dtQCWV +.. section: Documentation + +The binary sequence methods on bytes and bytearray are now documented +explicitly, rather than assuming users will be able to derive the expected +behaviour from the behaviour of the corresponding str methods. + +.. + +.. bpo: 21671 +.. date: 9451 +.. nonce: LvzZ52 +.. section: Windows + +The bundled version of OpenSSL has been updated to 1.0.1i. (See also: +bpo-22160, CVE-2014-0224) + +.. + +.. bpo: 10747 +.. date: 9450 +.. nonce: LTWhLn +.. section: Windows + +Use versioned labels in the Windows start menu. Patch by Olive Kilburn. + +.. + +.. bpo: 22201 +.. date: 9449 +.. nonce: k1Awbh +.. section: Tools/Demos + +Command-line interface of the zipfile module now correctly extracts ZIP +files with directory entries. Patch by Ryan Wilson. + +.. + +.. bpo: 21906 +.. date: 9448 +.. nonce: ZsKy9v +.. section: Tools/Demos + +Make Tools/scripts/md5sum.py work in Python 3. Patch by Zachary Ware. + +.. + +.. bpo: 21629 +.. date: 9447 +.. nonce: 9kZmQl +.. section: Tools/Demos + +Fix Argument Clinic's "--converters" feature. diff --git a/Misc/NEWS.d/3.4.3.rst b/Misc/NEWS.d/3.4.3.rst new file mode 100644 index 000000000000..69de3267b7fe --- /dev/null +++ b/Misc/NEWS.d/3.4.3.rst @@ -0,0 +1,1238 @@ +.. bpo: 22735 +.. date: 9717 +.. nonce: mFEX9n +.. release date: 2015-02-23 +.. section: Core and Builtins + +Fix many edge cases (including crashes) involving custom mro() +implementations. + +.. + +.. bpo: 22896 +.. date: 9716 +.. nonce: xSDAHK +.. section: Core and Builtins + +Avoid using PyObject_AsCharBuffer(), PyObject_AsReadBuffer() and +PyObject_AsWriteBuffer(). + +.. + +.. bpo: 21295 +.. date: 9715 +.. nonce: LYq9nF +.. section: Core and Builtins + +Revert some changes (issue #16795) to AST line numbers and column offsets +that constituted a regression. + +.. + +.. bpo: 21408 +.. date: 9714 +.. nonce: Lz6P3P +.. section: Core and Builtins + +The default __ne__() now returns NotImplemented if __eq__() returned +NotImplemented. Original patch by Martin Panter. + +.. + +.. bpo: 23321 +.. date: 9713 +.. nonce: HQelge +.. section: Core and Builtins + +Fixed a crash in str.decode() when error handler returned replacment string +longer than mailformed input data. + +.. + +.. bpo: 23048 +.. date: 9712 +.. nonce: X5BUd3 +.. section: Core and Builtins + +Fix jumping out of an infinite while loop in the pdb. + +.. + +.. bpo: 20335 +.. date: 9711 +.. nonce: YcAPOs +.. section: Core and Builtins + +bytes constructor now raises TypeError when encoding or errors is specified +with non-string argument. Based on patch by Renaud Blanch. + +.. + +.. bpo: 22335 +.. date: 9710 +.. nonce: DWsXiy +.. section: Core and Builtins + +Fix crash when trying to enlarge a bytearray to 0x7fffffff bytes on a 32-bit +platform. + +.. + +.. bpo: 22653 +.. date: 9709 +.. nonce: pCNlpv +.. section: Core and Builtins + +Fix an assertion failure in debug mode when doing a reentrant dict insertion +in debug mode. + +.. + +.. bpo: 22643 +.. date: 9708 +.. nonce: xv8xev +.. section: Core and Builtins + +Fix integer overflow in Unicode case operations (upper, lower, title, +swapcase, casefold). + +.. + +.. bpo: 22604 +.. date: 9707 +.. nonce: yii-It +.. section: Core and Builtins + +Fix assertion error in debug mode when dividing a complex number by +(nan+0j). + +.. + +.. bpo: 22470 +.. date: 9706 +.. nonce: igrgN2 +.. section: Core and Builtins + +Fixed integer overflow issues in "backslashreplace", "xmlcharrefreplace", +and "surrogatepass" error handlers. + +.. + +.. bpo: 22520 +.. date: 9705 +.. nonce: ZPJXSq +.. section: Core and Builtins + +Fix overflow checking when generating the repr of a unicode object. + +.. + +.. bpo: 22519 +.. date: 9704 +.. nonce: xvJVg0 +.. section: Core and Builtins + +Fix overflow checking in PyBytes_Repr. + +.. + +.. bpo: 22518 +.. date: 9703 +.. nonce: C9T6ed +.. section: Core and Builtins + +Fix integer overflow issues in latin-1 encoding. + +.. + +.. bpo: 23165 +.. date: 9702 +.. nonce: lk8uCE +.. section: Core and Builtins + +Perform overflow checks before allocating memory in the _Py_char2wchar +function. + +.. + +.. bpo: 23399 +.. date: 9701 +.. nonce: hXMYgA +.. section: Library + +pyvenv creates relative symlinks where possible. + +.. + +.. bpo: 23099 +.. date: 9700 +.. nonce: ZASrUo +.. section: Library + +Closing io.BytesIO with exported buffer is rejected now to prevent +corrupting exported buffer. + +.. + +.. bpo: 23363 +.. date: 9699 +.. nonce: -koaol +.. section: Library + +Fix possible overflow in itertools.permutations. + +.. + +.. bpo: 23364 +.. date: 9698 +.. nonce: 3yBV-6 +.. section: Library + +Fix possible overflow in itertools.product. + +.. + +.. bpo: 23366 +.. date: 9697 +.. nonce: tyAfm8 +.. section: Library + +Fixed possible integer overflow in itertools.combinations. + +.. + +.. bpo: 23369 +.. date: 9696 +.. nonce: nqChyE +.. section: Library + +Fixed possible integer overflow in _json.encode_basestring_ascii. + +.. + +.. bpo: 23353 +.. date: 9695 +.. nonce: Iytkpc +.. section: Library + +Fix the exception handling of generators in PyEval_EvalFrameEx(). At entry, +save or swap the exception state even if PyEval_EvalFrameEx() is called with +throwflag=0. At exit, the exception state is now always restored or swapped, +not only if why is WHY_YIELD or WHY_RETURN. Patch co-written with Antoine +Pitrou. + +.. + +.. bpo: 18518 +.. date: 9694 +.. nonce: JXgicC +.. section: Library + +timeit now rejects statements which can't be compiled outside a function or +a loop (e.g. "return" or "break"). + +.. + +.. bpo: 23094 +.. date: 9693 +.. nonce: -8AXSi +.. section: Library + +Fixed readline with frames in Python implementation of pickle. + +.. + +.. bpo: 23268 +.. date: 9692 +.. nonce: ATtRa5 +.. section: Library + +Fixed bugs in the comparison of ipaddress classes. + +.. + +.. bpo: 21408 +.. date: 9691 +.. nonce: 0rI6tx +.. section: Library + +Removed incorrect implementations of __ne__() which didn't returned +NotImplemented if __eq__() returned NotImplemented. The default __ne__() +now works correctly. + +.. + +.. bpo: 19996 +.. date: 9690 +.. nonce: 2-SiMf +.. section: Library + +:class:`email.feedparser.FeedParser` now handles (malformed) headers with no +key rather than assuming the body has started. + +.. + +.. bpo: 23248 +.. date: 9689 +.. nonce: FjcyCP +.. section: Library + +Update ssl error codes from latest OpenSSL git master. + +.. + +.. bpo: 23098 +.. date: 9688 +.. nonce: 7VwF3K +.. section: Library + +64-bit dev_t is now supported in the os module. + +.. + +.. bpo: 23250 +.. date: 9687 +.. nonce: qNGAUf +.. section: Library + +In the http.cookies module, capitalize "HttpOnly" and "Secure" as they are +written in the standard. + +.. + +.. bpo: 23063 +.. date: 9686 +.. nonce: 9-UJRs +.. section: Library + +In the disutils' check command, fix parsing of reST with code or code-block +directives. + +.. + +.. bpo: 23209 +.. date: 9685 +.. nonce: IXUHjK +.. section: Library + +selectors.BaseSelector.close() now clears its internal reference to the +selector mapping to break a reference cycle. Initial patch written by Martin +Richard. (See also: bpo-23225) + +.. + +.. bpo: 21356 +.. date: 9684 +.. nonce: 8NY75J +.. section: Library + +Make ssl.RAND_egd() optional to support LibreSSL. The availability of the +function is checked during the compilation. Patch written by Bernard Spil. + +.. + +.. bpo: 20896 +.. date: 9683 +.. nonce: jg267Y +.. section: Library + +The :func:`ssl.get_server_certificate` function now uses the +:data:`~ssl.PROTOCOL_SSLv23` protocol by default, not +:data:`~ssl.PROTOCOL_SSLv3`, for maximum compatibility and support platforms +where :data:`~ssl.PROTOCOL_SSLv3` support is disabled. (See also: bpo-22935) + +.. + +.. bpo: 23111 +.. date: 9682 +.. nonce: A34IA4 +.. section: Library + +In the ftplib, make ssl.PROTOCOL_SSLv23 the default protocol version. + +.. + +.. bpo: 23132 +.. date: 9681 +.. nonce: KpXKjm +.. section: Library + +Mitigate regression in speed and clarity in functools.total_ordering. + +.. + +.. bpo: 22585 +.. date: 9680 +.. nonce: F4BkNo +.. section: Library + +On OpenBSD 5.6 and newer, os.urandom() now calls getentropy(), instead of +reading /dev/urandom, to get pseudo-random bytes. + +.. + +.. bpo: 23112 +.. date: 9679 +.. nonce: dZGf82 +.. section: Library + +Fix SimpleHTTPServer to correctly carry the query string and fragment when +it redirects to add a trailing slash. + +.. + +.. bpo: 23093 +.. date: 9678 +.. nonce: cP7OqD +.. section: Library + +In the io, module allow more operations to work on detached streams. + +.. + +.. bpo: 19104 +.. date: 9677 +.. nonce: _eIThy +.. section: Library + +pprint now produces evaluable output for wrapped strings. + +.. + +.. bpo: 23071 +.. date: 9676 +.. nonce: 3BSqF7 +.. section: Library + +Added missing names to codecs.__all__. Patch by Martin Panter. + +.. + +.. bpo: 15513 +.. date: 9675 +.. nonce: 7yVnRE +.. section: Library + +Added a __sizeof__ implementation for pickle classes. + +.. + +.. bpo: 19858 +.. date: 9674 +.. nonce: cqOlIt +.. section: Library + +pickletools.optimize() now aware of the MEMOIZE opcode, can produce more +compact result and no longer produces invalid output if input data contains +MEMOIZE opcodes together with PUT or BINPUT opcodes. + +.. + +.. bpo: 22095 +.. date: 9673 +.. nonce: iISzxM +.. section: Library + +Fixed HTTPConnection.set_tunnel with default port. The port value in the +host header was set to "None". Patch by Demian Brecht. + +.. + +.. bpo: 23016 +.. date: 9672 +.. nonce: LyrPd_ +.. section: Library + +A warning no longer produces an AttributeError when the program is run with +pythonw.exe. + +.. + +.. bpo: 21775 +.. date: 9671 +.. nonce: Lg9w0U +.. section: Library + +shutil.copytree(): fix crash when copying to VFAT. An exception handler +assumed that that OSError objects always have a 'winerror' attribute. That +is not the case, so the exception handler itself raised AttributeError when +run on Linux (and, presumably, any other non-Windows OS). Patch by Greg +Ward. + +.. + +.. bpo: 1218234 +.. date: 9670 +.. nonce: 4GcoQK +.. section: Library + +Fix inspect.getsource() to load updated source of reloaded module. Initial +patch by Berker Peksag. + +.. + +.. bpo: 22959 +.. date: 9669 +.. nonce: Vxt3EP +.. section: Library + +In the constructor of http.client.HTTPSConnection, prefer the context's +check_hostname attribute over the *check_hostname* parameter. + +.. + +.. bpo: 16043 +.. date: 9668 +.. nonce: TGIC7t +.. section: Library + +Add a default limit for the amount of data xmlrpclib.gzip_decode will +return. This resolves CVE-2013-1753. + +.. + +.. bpo: 22966 +.. date: 9667 +.. nonce: zIxDrT +.. section: Library + +Fix __pycache__ pyc file name clobber when pyc_compile is asked to compile a +source file containing multiple dots in the source file name. + +.. + +.. bpo: 21971 +.. date: 9666 +.. nonce: XlTc22 +.. section: Library + +Update turtledemo doc and add module to the index. + +.. + +.. bpo: 21032 +.. date: 9665 +.. nonce: wxT_41 +.. section: Library + +Fixed socket leak if HTTPConnection.getresponse() fails. Original patch by +Martin Panter. + +.. + +.. bpo: 22960 +.. date: 9664 +.. nonce: 2VDILT +.. section: Library + +Add a context argument to xmlrpclib.ServerProxy constructor. + +.. + +.. bpo: 22915 +.. date: 9663 +.. nonce: 709UAo +.. section: Library + +SAX parser now supports files opened with file descriptor or bytes path. + +.. + +.. bpo: 22609 +.. date: 9662 +.. nonce: mmLoeb +.. section: Library + +Constructors and update methods of mapping classes in the collections module +now accept the self keyword argument. + +.. + +.. bpo: 22788 +.. date: 9661 +.. nonce: vofL9e +.. section: Library + +Add *context* parameter to logging.handlers.HTTPHandler. + +.. + +.. bpo: 22921 +.. date: 9660 +.. nonce: a4wx1C +.. section: Library + +Allow SSLContext to take the *hostname* parameter even if OpenSSL doesn't +support SNI. + +.. + +.. bpo: 22894 +.. date: 9659 +.. nonce: 4AkwPA +.. section: Library + +TestCase.subTest() would cause the test suite to be stopped when in failfast +mode, even in the absence of failures. + +.. + +.. bpo: 22638 +.. date: 9658 +.. nonce: Ur73gJ +.. section: Library + +SSLv3 is now disabled throughout the standard library. It can still be +enabled by instantiating a SSLContext manually. + +.. + +.. bpo: 22370 +.. date: 9657 +.. nonce: j4y21u +.. section: Library + +Windows detection in pathlib is now more robust. + +.. + +.. bpo: 22841 +.. date: 9656 +.. nonce: 8wpk7T +.. section: Library + +Reject coroutines in asyncio add_signal_handler(). Patch by Ludovic.Gasc. + +.. + +.. bpo: 22849 +.. date: 9655 +.. nonce: AqBPyj +.. section: Library + +Fix possible double free in the io.TextIOWrapper constructor. + +.. + +.. bpo: 12728 +.. date: 9654 +.. nonce: rHZmXO +.. section: Library + +Different Unicode characters having the same uppercase but different +lowercase are now matched in case-insensitive regular expressions. + +.. + +.. bpo: 22821 +.. date: 9653 +.. nonce: 30cQ-U +.. section: Library + +Fixed fcntl() with integer argument on 64-bit big-endian platforms. + +.. + +.. bpo: 22406 +.. date: 9652 +.. nonce: sPlVbI +.. section: Library + +Fixed the uu_codec codec incorrectly ported to 3.x. Based on patch by Martin +Panter. + +.. + +.. bpo: 17293 +.. date: 9651 +.. nonce: Hk06bO +.. section: Library + +uuid.getnode() now determines MAC address on AIX using netstat. Based on +patch by Aivars Kalvāns. + +.. + +.. bpo: 22769 +.. date: 9650 +.. nonce: PunnvQ +.. section: Library + +Fixed ttk.Treeview.tag_has() when called without arguments. + +.. + +.. bpo: 22417 +.. date: 9649 +.. nonce: To4b7U +.. section: Library + +Verify certificates by default in httplib (PEP 476). + +.. + +.. bpo: 22775 +.. date: 9648 +.. nonce: V5aCUz +.. section: Library + +Fixed unpickling of http.cookies.SimpleCookie with protocol 2 and above. +Patch by Tim Graham. + +.. + +.. bpo: 22366 +.. date: 9647 +.. nonce: u1xjUp +.. section: Library + +urllib.request.urlopen will accept a context object (SSLContext) as an +argument which will then used be for HTTPS connection. Patch by Alex Gaynor. + +.. + +.. bpo: 22776 +.. date: 9646 +.. nonce: xNcRse +.. section: Library + +Brought excluded code into the scope of a try block in SysLogHandler.emit(). + +.. + +.. bpo: 22665 +.. date: 9645 +.. nonce: j6Jlp8 +.. section: Library + +Add missing get_terminal_size and SameFileError to shutil.__all__. + +.. + +.. bpo: 17381 +.. date: 9644 +.. nonce: 4J5yv7 +.. section: Library + +Fixed handling of case-insensitive ranges in regular expressions. + +.. + +.. bpo: 22410 +.. date: 9643 +.. nonce: 99YFdd +.. section: Library + +Module level functions in the re module now cache compiled locale-dependent +regular expressions taking into account the locale. + +.. + +.. bpo: 22759 +.. date: 9642 +.. nonce: BJPdiL +.. section: Library + +Query methods on pathlib.Path() (exists(), is_dir(), etc.) now return False +when the underlying stat call raises NotADirectoryError. + +.. + +.. bpo: 8876 +.. date: 9641 +.. nonce: A83Av4 +.. section: Library + +distutils now falls back to copying files when hard linking doesn't work. +This allows use with special filesystems such as VirtualBox shared folders. + +.. + +.. bpo: 18853 +.. date: 9640 +.. nonce: 76DrPD +.. section: Library + +Fixed ResourceWarning in shlex.__nain__. + +.. + +.. bpo: 9351 +.. date: 9639 +.. nonce: u5UI-6 +.. section: Library + +Defaults set with set_defaults on an argparse subparser are no longer +ignored when also set on the parent parser. + +.. + +.. bpo: 21991 +.. date: 9638 +.. nonce: Mkm0IN +.. section: Library + +Make email.headerregistry's header 'params' attributes be read-only +(MappingProxyType). Previously the dictionary was modifiable but a new one +was created on each access of the attribute. + +.. + +.. bpo: 22641 +.. date: 9637 +.. nonce: m0ldtl +.. section: Library + +In asyncio, the default SSL context for client connections is now created +using ssl.create_default_context(), for stronger security. + +.. + +.. bpo: 22435 +.. date: 9636 +.. nonce: Mrmeio +.. section: Library + +Fix a file descriptor leak when SocketServer bind fails. + +.. + +.. bpo: 13096 +.. date: 9635 +.. nonce: rsailB +.. section: Library + +Fixed segfault in CTypes POINTER handling of large values. + +.. + +.. bpo: 11694 +.. date: 9634 +.. nonce: JuDrch +.. section: Library + +Raise ConversionError in xdrlib as documented. Patch by Filip Gruszczyński +and Claudiu Popa. + +.. + +.. bpo: 22462 +.. date: 9633 +.. nonce: 1h4Kpr +.. section: Library + +Fix pyexpat's creation of a dummy frame to make it appear in exception +tracebacks. + +.. + +.. bpo: 21173 +.. date: 9632 +.. nonce: egkbEx +.. section: Library + +Fix len() on a WeakKeyDictionary when .clear() was called with an iterator +alive. + +.. + +.. bpo: 11866 +.. date: 9631 +.. nonce: xrvbIC +.. section: Library + +Eliminated race condition in the computation of names for new threads. + +.. + +.. bpo: 21905 +.. date: 9630 +.. nonce: coKyRo +.. section: Library + +Avoid RuntimeError in pickle.whichmodule() when sys.modules is mutated while +iterating. Patch by Olivier Grisel. + +.. + +.. bpo: 22219 +.. date: 9629 +.. nonce: l9Enh9 +.. section: Library + +The zipfile module CLI now adds entries for directories (including empty +directories) in ZIP file. + +.. + +.. bpo: 22449 +.. date: 9628 +.. nonce: nFW_Fl +.. section: Library + +In the ssl.SSLContext.load_default_certs, consult the environmental +variables SSL_CERT_DIR and SSL_CERT_FILE on Windows. + +.. + +.. bpo: 20076 +.. date: 9627 +.. nonce: -7OIVB +.. section: Library + +Added non derived UTF-8 aliases to locale aliases table. + +.. + +.. bpo: 20079 +.. date: 9626 +.. nonce: qM949O +.. section: Library + +Added locales supported in glibc 2.18 to locale alias table. + +.. + +.. bpo: 22396 +.. date: 9625 +.. nonce: cQSizA +.. section: Library + +On 32-bit AIX platform, don't expose os.posix_fadvise() nor +os.posix_fallocate() because their prototypes in system headers are wrong. + +.. + +.. bpo: 22517 +.. date: 9624 +.. nonce: SOfMig +.. section: Library + +When a io.BufferedRWPair object is deallocated, clear its weakrefs. + +.. + +.. bpo: 22448 +.. date: 9623 +.. nonce: fAapvE +.. section: Library + +Improve canceled timer handles cleanup to prevent unbound memory usage. +Patch by Joshua Moore-Oliva. + +.. + +.. bpo: 23009 +.. date: 9622 +.. nonce: -sW7gk +.. section: Library + +Make sure selectors.EpollSelecrtor.select() works when no FD is registered. + +.. + +.. bpo: 20577 +.. date: 9621 +.. nonce: Y71IMj +.. section: IDLE + +Configuration of the max line length for the FormatParagraph extension has +been moved from the General tab of the Idle preferences dialog to the +FormatParagraph tab of the Config Extensions dialog. Patch by Tal Einat. + +.. + +.. bpo: 16893 +.. date: 9620 +.. nonce: JfHAA4 +.. section: IDLE + +Update Idle doc chapter to match current Idle and add new information. + +.. + +.. bpo: 3068 +.. date: 9619 +.. nonce: TYjXTA +.. section: IDLE + +Add Idle extension configuration dialog to Options menu. Changes are written +to HOME/.idlerc/config-extensions.cfg. Original patch by Tal Einat. + +.. + +.. bpo: 16233 +.. date: 9618 +.. nonce: sOadNo +.. section: IDLE + +A module browser (File : Class Browser, Alt+C) requires an editor window +with a filename. When Class Browser is requested otherwise, from a shell, +output window, or 'Untitled' editor, Idle no longer displays an error box. +It now pops up an Open Module box (Alt+M). If a valid name is entered and a +module is opened, a corresponding browser is also opened. + +.. + +.. bpo: 4832 +.. date: 9617 +.. nonce: GRKi9M +.. section: IDLE + +Save As to type Python files automatically adds .py to the name you enter +(even if your system does not display it). Some systems automatically add +.txt when type is Text files. + +.. + +.. bpo: 21986 +.. date: 9616 +.. nonce: 04GUv2 +.. section: IDLE + +Code objects are not normally pickled by the pickle module. To match this, +they are no longer pickled when running under Idle. + +.. + +.. bpo: 23180 +.. date: 9615 +.. nonce: cE_89F +.. section: IDLE + +Rename IDLE "Windows" menu item to "Window". Patch by Al Sweigart. + +.. + +.. bpo: 23392 +.. date: 9614 +.. nonce: Pe7_WK +.. section: Tests + +Added tests for marshal C API that works with FILE*. + +.. + +.. bpo: 18982 +.. date: 9613 +.. nonce: TynSM6 +.. section: Tests + +Add tests for CLI of the calendar module. + +.. + +.. bpo: 19548 +.. date: 9612 +.. nonce: 25Kxq_ +.. section: Tests + +Added some additional checks to test_codecs to ensure that statements in the +updated documentation remain accurate. Patch by Martin Panter. + +.. + +.. bpo: 22838 +.. date: 9611 +.. nonce: VZBtZg +.. section: Tests + +All test_re tests now work with unittest test discovery. + +.. + +.. bpo: 22173 +.. date: 9610 +.. nonce: dxIIVx +.. section: Tests + +Update lib2to3 tests to use unittest test discovery. + +.. + +.. bpo: 16000 +.. date: 9609 +.. nonce: Y7O6TP +.. section: Tests + +Convert test_curses to use unittest. + +.. + +.. bpo: 21456 +.. date: 9608 +.. nonce: Axsw43 +.. section: Tests + +Skip two tests in test_urllib2net.py if _ssl module not present. Patch by +Remi Pointel. + +.. + +.. bpo: 22770 +.. date: 9607 +.. nonce: FxAh91 +.. section: Tests + +Prevent some Tk segfaults on OS X when running gui tests. + +.. + +.. bpo: 23211 +.. date: 9606 +.. nonce: Bc-QfJ +.. section: Tests + +Workaround test_logging failure on some OS X 10.6 systems. + +.. + +.. bpo: 23345 +.. date: 9605 +.. nonce: HIGBKx +.. section: Tests + +Prevent test_ssl failures with large OpenSSL patch level values (like +0.9.8zc). + +.. + +.. bpo: 22289 +.. date: 9604 +.. nonce: ybGcC- +.. section: Tests + +Prevent test_urllib2net failures due to ftp connection timeout. + +.. + +.. bpo: 15506 +.. date: 9603 +.. nonce: nh8KlR +.. section: Build + +Use standard PKG_PROG_PKG_CONFIG autoconf macro in the configure script. + +.. + +.. bpo: 22935 +.. date: 9602 +.. nonce: -vY3lc +.. section: Build + +Allow the ssl module to be compiled if openssl doesn't support SSL 3. + +.. + +.. bpo: 16537 +.. date: 9601 +.. nonce: llFo71 +.. section: Build + +Check whether self.extensions is empty in setup.py. Patch by Jonathan +Hosmer. + +.. + +.. bpo: 18096 +.. date: 9600 +.. nonce: ELyAUJ +.. section: Build + +Fix library order returned by python-config. + +.. + +.. bpo: 17219 +.. date: 9599 +.. nonce: q8ueQ0 +.. section: Build + +Add library build dir for Python extension cross-builds. + +.. + +.. bpo: 17128 +.. date: 9598 +.. nonce: ez_XMv +.. section: Build + +Use private version of OpenSSL for 3.4.3 OS X 10.5+ installer. + +.. + +.. bpo: 22079 +.. date: 9597 +.. nonce: zhs2qM +.. section: C API + +PyType_Ready() now checks that statically allocated type has no dynamically +allocated bases. + +.. + +.. bpo: 19548 +.. date: 9596 +.. nonce: yOX8sS +.. section: Documentation + +Update the codecs module documentation to better cover the distinction +between text encodings and other codecs, together with other clarifications. +Patch by Martin Panter. + +.. + +.. bpo: 22914 +.. date: 9595 +.. nonce: T6aGB3 +.. section: Documentation + +Update the Python 2/3 porting HOWTO to describe a more automated approach. + +.. + +.. bpo: 21514 +.. date: 9594 +.. nonce: 1H16T6 +.. section: Documentation + +The documentation of the json module now refers to new JSON RFC 7159 instead +of obsoleted RFC 4627. + +.. + +.. bpo: 22314 +.. date: 9593 +.. nonce: ws6xsH +.. section: Tools/Demos + +pydoc now works when the LINES environment variable is set. + +.. + +.. bpo: 17896 +.. date: 9592 +.. nonce: o79rHM +.. section: Windows + +The Windows build scripts now expect external library sources to be in +``PCbuild\..\externals`` rather than ``PCbuild\..\..``. + +.. + +.. bpo: 17717 +.. date: 9591 +.. nonce: y1zoye +.. section: Windows + +The Windows build scripts now use a copy of NASM pulled from svn.python.org +to build OpenSSL. + +.. + +.. bpo: 22644 +.. date: 9590 +.. nonce: gosBki +.. section: Windows + +The bundled version of OpenSSL has been updated to 1.0.1j. diff --git a/Misc/NEWS.d/3.4.4.rst b/Misc/NEWS.d/3.4.4.rst new file mode 100644 index 000000000000..c51c99c364ce --- /dev/null +++ b/Misc/NEWS.d/3.4.4.rst @@ -0,0 +1,7 @@ +.. bpo: 25844 +.. date: 9970 +.. nonce: 6W5geO +.. release date: 2015/12/20 +.. section: Windows + +Corrected =/== typo potentially leading to crash in launcher. diff --git a/Misc/NEWS.d/3.4.4rc1.rst b/Misc/NEWS.d/3.4.4rc1.rst new file mode 100644 index 000000000000..9fa0847595f9 --- /dev/null +++ b/Misc/NEWS.d/3.4.4rc1.rst @@ -0,0 +1,2504 @@ +.. bpo: 25709 +.. date: 9969 +.. nonce: WwGm2k +.. release date: 2015/12/06 +.. section: Core and Builtins + +Fixed problem with in-place string concatenation and utf-8 cache. + +.. + +.. bpo: 24097 +.. date: 9968 +.. nonce: Vt4E-i +.. section: Core and Builtins + +Fixed crash in object.__reduce__() if slot name is freed inside __getattr__. + +.. + +.. bpo: 24731 +.. date: 9967 +.. nonce: h9-hnz +.. section: Core and Builtins + +Fixed crash on converting objects with special methods __bytes__, __trunc__, +and __float__ returning instances of subclasses of bytes, int, and float to +subclasses of bytes, int, and float correspondingly. + +.. + +.. bpo: 25388 +.. date: 9966 +.. nonce: zm3uuQ +.. section: Core and Builtins + +Fixed tokenizer crash when processing undecodable source code with a null +byte. + +.. + +.. bpo: 22995 +.. date: 9965 +.. nonce: 90kpuP +.. section: Core and Builtins + +Default implementation of __reduce__ and __reduce_ex__ now rejects builtin +types with not defined __new__. + +.. + +.. bpo: 24802 +.. date: 9964 +.. nonce: Qie066 +.. section: Core and Builtins + +Avoid buffer overreads when int(), float(), compile(), exec() and eval() are +passed bytes-like objects. These objects are not necessarily terminated by +a null byte, but the functions assumed they were. + +.. + +.. bpo: 24402 +.. date: 9963 +.. nonce: MAgi3X +.. section: Core and Builtins + +Fix input() to prompt to the redirected stdout when sys.stdout.fileno() +fails. + +.. + +.. bpo: 24806 +.. date: 9962 +.. nonce: Nb0znT +.. section: Core and Builtins + +Prevent builtin types that are not allowed to be subclassed from being +subclassed through multiple inheritance. + +.. + +.. bpo: 24848 +.. date: 9961 +.. nonce: HlUSuy +.. section: Core and Builtins + +Fixed a number of bugs in UTF-7 decoding of misformed data. + +.. + +.. bpo: 25280 +.. date: 9960 +.. nonce: ivTMwd +.. section: Core and Builtins + +Import trace messages emitted in verbose (-v) mode are no longer formatted +twice. + +.. + +.. bpo: 25003 +.. date: 9959 +.. nonce: -bdxOl +.. section: Core and Builtins + +os.urandom() doesn't use getentropy() on Solaris because getentropy() is +blocking, whereas os.urandom() should not block. getentropy() is supported +since Solaris 11.3. + +.. + +.. bpo: 25182 +.. date: 9958 +.. nonce: gBDq-T +.. section: Core and Builtins + +The stdprinter (used as sys.stderr before the io module is imported at +startup) now uses the backslashreplace error handler. + +.. + +.. bpo: 24891 +.. date: 9957 +.. nonce: ddVmHS +.. section: Core and Builtins + +Fix a race condition at Python startup if the file descriptor of stdin (0), +stdout (1) or stderr (2) is closed while Python is creating sys.stdin, +sys.stdout and sys.stderr objects. These attributes are now set to None if +the creation of the object failed, instead of raising an OSError exception. +Initial patch written by Marco Paolini. + +.. + +.. bpo: 21167 +.. date: 9956 +.. nonce: uom-Dq +.. section: Core and Builtins + +NAN operations are now handled correctly when python is compiled with ICC +even if -fp-model strict is not specified. + +.. + +.. bpo: 4395 +.. date: 9955 +.. nonce: JpT0k7 +.. section: Core and Builtins + +Better testing and documentation of binary operators. Patch by Martin +Panter. + +.. + +.. bpo: 24467 +.. date: 9954 +.. nonce: BAJ80- +.. section: Core and Builtins + +Fixed possible buffer over-read in bytearray. The bytearray object now +always allocates place for trailing null byte and it's buffer now is always +null-terminated. + +.. + +.. bpo: 24115 +.. date: 9953 +.. nonce: y9e_MO +.. section: Core and Builtins + +Update uses of PyObject_IsTrue(), PyObject_Not(), PyObject_IsInstance(), +PyObject_RichCompareBool() and _PyDict_Contains() to check for and handle +errors correctly. + +.. + +.. bpo: 24257 +.. date: 9952 +.. nonce: UBxshR +.. section: Core and Builtins + +Fixed system error in the comparison of faked types.SimpleNamespace. + +.. + +.. bpo: 22939 +.. date: 9951 +.. nonce: DWA9ls +.. section: Core and Builtins + +Fixed integer overflow in iterator object. Patch by Clement Rouault. + +.. + +.. bpo: 23985 +.. date: 9950 +.. nonce: eezPxO +.. section: Core and Builtins + +Fix a possible buffer overrun when deleting a slice from the front of a +bytearray and then appending some other bytes data. + +.. + +.. bpo: 24102 +.. date: 9949 +.. nonce: 9T6h3m +.. section: Core and Builtins + +Fixed exception type checking in standard error handlers. + +.. + +.. bpo: 23757 +.. date: 9948 +.. nonce: Q9kwY_ +.. section: Core and Builtins + +PySequence_Tuple() incorrectly called the concrete list API when the data +was a list subclass. + +.. + +.. bpo: 24407 +.. date: 9947 +.. nonce: GmCBB3 +.. section: Core and Builtins + +Fix crash when dict is mutated while being updated. + +.. + +.. bpo: 24096 +.. date: 9946 +.. nonce: a_Rap7 +.. section: Core and Builtins + +Make warnings.warn_explicit more robust against mutation of the +warnings.filters list. + +.. + +.. bpo: 23996 +.. date: 9945 +.. nonce: znqcT8 +.. section: Core and Builtins + +Avoid a crash when a delegated generator raises an unnormalized +StopIteration exception. Patch by Stefan Behnel. + +.. + +.. bpo: 24022 +.. date: 9944 +.. nonce: 1l8YBm +.. section: Core and Builtins + +Fix tokenizer crash when processing undecodable source code. + +.. + +.. bpo: 23309 +.. date: 9943 +.. nonce: Wfnsnz +.. section: Core and Builtins + +Avoid a deadlock at shutdown if a daemon thread is aborted while it is +holding a lock to a buffered I/O object, and the main thread tries to use +the same I/O object (typically stdout or stderr). A fatal error is emitted +instead. + +.. + +.. bpo: 22977 +.. date: 9942 +.. nonce: hutEse +.. section: Core and Builtins + +Fixed formatting Windows error messages on Wine. Patch by Martin Panter. + +.. + +.. bpo: 23803 +.. date: 9941 +.. nonce: xFvKSx +.. section: Core and Builtins + +Fixed str.partition() and str.rpartition() when a separator is wider then +partitioned string. + +.. + +.. bpo: 23192 +.. date: 9940 +.. nonce: QKqdow +.. section: Core and Builtins + +Fixed generator lambdas. Patch by Bruno Cauet. + +.. + +.. bpo: 23629 +.. date: 9939 +.. nonce: r9Mt2C +.. section: Core and Builtins + +Fix the default __sizeof__ implementation for variable-sized objects. + +.. + +.. bpo: 24044 +.. date: 9938 +.. nonce: H7vb6- +.. section: Core and Builtins + +Fix possible null pointer dereference in list.sort in out of memory +conditions. + +.. + +.. bpo: 21354 +.. date: 9937 +.. nonce: ZZTe1E +.. section: Core and Builtins + +PyCFunction_New function is exposed by python DLL again. + +.. + +.. bpo: 24903 +.. date: 9936 +.. nonce: 3LBdzb +.. section: Library + +Fix regression in number of arguments compileall accepts when '-d' is +specified. The check on the number of arguments has been dropped completely +as it never worked correctly anyway. + +.. + +.. bpo: 25764 +.. date: 9935 +.. nonce: 7WWG07 +.. section: Library + +In the subprocess module, preserve any exception caused by fork() failure +when preexec_fn is used. + +.. + +.. bpo: 6478 +.. date: 9934 +.. nonce: -Bi9Hb +.. section: Library + +_strptime's regexp cache now is reset after changing timezone with +time.tzset(). + +.. + +.. bpo: 25177 +.. date: 9933 +.. nonce: aNR4Ha +.. section: Library + +Fixed problem with the mean of very small and very large numbers. As a side +effect, statistics.mean and statistics.variance should be significantly +faster. + +.. + +.. bpo: 25718 +.. date: 9932 +.. nonce: D9mHZF +.. section: Library + +Fixed copying object with state with boolean value is false. + +.. + +.. bpo: 10131 +.. date: 9931 +.. nonce: a7tptz +.. section: Library + +Fixed deep copying of minidom documents. Based on patch by Marian Ganisin. + +.. + +.. bpo: 25725 +.. date: 9930 +.. nonce: XIKv3R +.. section: Library + +Fixed a reference leak in pickle.loads() when unpickling invalid data +including tuple instructions. + +.. + +.. bpo: 25663 +.. date: 9929 +.. nonce: Ofwfqa +.. section: Library + +In the Readline completer, avoid listing duplicate global names, and search +the global namespace before searching builtins. + +.. + +.. bpo: 25688 +.. date: 9928 +.. nonce: 8P1HOv +.. section: Library + +Fixed file leak in ElementTree.iterparse() raising an error. + +.. + +.. bpo: 23914 +.. date: 9927 +.. nonce: 1sEz4J +.. section: Library + +Fixed SystemError raised by unpickler on broken pickle data. + +.. + +.. bpo: 25691 +.. date: 9926 +.. nonce: ZEaapY +.. section: Library + +Fixed crash on deleting ElementTree.Element attributes. + +.. + +.. bpo: 25624 +.. date: 9925 +.. nonce: ed-fM0 +.. section: Library + +ZipFile now always writes a ZIP_STORED header for directory entries. Patch +by Dingyuan Wang. + +.. + +.. bpo: 25583 +.. date: 9924 +.. nonce: Gk-cim +.. section: Library + +Avoid incorrect errors raised by os.makedirs(exist_ok=True) when the OS +gives priority to errors such as EACCES over EEXIST. + +.. + +.. bpo: 25593 +.. date: 9923 +.. nonce: 56uegI +.. section: Library + +Change semantics of EventLoop.stop() in asyncio. + +.. + +.. bpo: 6973 +.. date: 9922 +.. nonce: nl5cHt +.. section: Library + +When we know a subprocess.Popen process has died, do not allow the +send_signal(), terminate(), or kill() methods to do anything as they could +potentially signal a different process. + +.. + +.. bpo: 25578 +.. date: 9921 +.. nonce: G6S-ft +.. section: Library + +Fix (another) memory leak in SSLSocket.getpeercer(). + +.. + +.. bpo: 25590 +.. date: 9920 +.. nonce: aCt-yW +.. section: Library + +In the Readline completer, only call getattr() once per attribute. + +.. + +.. bpo: 25498 +.. date: 9919 +.. nonce: 75n0LF +.. section: Library + +Fix a crash when garbage-collecting ctypes objects created by wrapping a +memoryview. This was a regression made in 3.4.3. Based on patch by +Eryksun. + +.. + +.. bpo: 18010 +.. date: 9918 +.. nonce: Azyf1C +.. section: Library + +Fix the pydoc web server's module search function to handle exceptions from +importing packages. + +.. + +.. bpo: 25510 +.. date: 9917 +.. nonce: 79g7LA +.. section: Library + +fileinput.FileInput.readline() now returns b'' instead of '' at the end if +the FileInput was opened with binary mode. Patch by Ryosuke Ito. + +.. + +.. bpo: 25530 +.. date: 9916 +.. nonce: hDFkwu +.. section: Library + +Disable the vulnerable SSLv3 protocol by default when creating +ssl.SSLContext. + +.. + +.. bpo: 25569 +.. date: 9915 +.. nonce: CfvQjK +.. section: Library + +Fix memory leak in SSLSocket.getpeercert(). + +.. + +.. bpo: 21827 +.. date: 9914 +.. nonce: k2oreR +.. section: Library + +Fixed textwrap.dedent() for the case when largest common whitespace is a +substring of smallest leading whitespace. Based on patch by Robert Li. + +.. + +.. bpo: 25471 +.. date: 9913 +.. nonce: T0A02M +.. section: Library + +Sockets returned from accept() shouldn't appear to be nonblocking. + +.. + +.. bpo: 25441 +.. date: 9912 +.. nonce: d7zph6 +.. section: Library + +asyncio: Raise error from drain() when socket is closed. + +.. + +.. bpo: 25411 +.. date: 9911 +.. nonce: qsJTCb +.. section: Library + +Improved Unicode support in SMTPHandler through better use of the email +package. Thanks to user simon04 for the patch. + +.. + +.. bpo: 25380 +.. date: 9910 +.. nonce: sKZ6-I +.. section: Library + +Fixed protocol for the STACK_GLOBAL opcode in pickletools.opcodes. + +.. + +.. bpo: 23972 +.. date: 9909 +.. nonce: s2g30g +.. section: Library + +Updates asyncio datagram create method allowing reuseport and reuseaddr +socket options to be set prior to binding the socket. Mirroring the existing +asyncio create_server method the reuseaddr option for datagram sockets +defaults to True if the O/S is 'posix' (except if the platform is Cygwin). +Patch by Chris Laws. + +.. + +.. bpo: 25304 +.. date: 9908 +.. nonce: CsmLyI +.. section: Library + +Add asyncio.run_coroutine_threadsafe(). This lets you submit a coroutine to +a loop from another thread, returning a concurrent.futures.Future. By +Vincent Michel. + +.. + +.. bpo: 25319 +.. date: 9907 +.. nonce: iyuglv +.. section: Library + +When threading.Event is reinitialized, the underlying condition should use a +regular lock rather than a recursive lock. + +.. + +.. bpo: 25232 +.. date: 9906 +.. nonce: KhKjCE +.. section: Library + +Fix CGIRequestHandler to split the query from the URL at the first question +mark (?) rather than the last. Patch from Xiang Zhang. + +.. + +.. bpo: 24657 +.. date: 9905 +.. nonce: h2Ag7y +.. section: Library + +Prevent CGIRequestHandler from collapsing slashes in the query part of the +URL as if it were a path. Patch from Xiang Zhang. + +.. + +.. bpo: 22958 +.. date: 9904 +.. nonce: Ebu7Gl +.. section: Library + +Constructor and update method of weakref.WeakValueDictionary now accept the +self and the dict keyword arguments. + +.. + +.. bpo: 22609 +.. date: 9903 +.. nonce: fV7hdV +.. section: Library + +Constructor of collections.UserDict now accepts the self keyword argument. + +.. + +.. bpo: 25262 +.. date: 9902 +.. nonce: pQS5cB +.. section: Library + +Added support for BINBYTES8 opcode in Python implementation of unpickler. +Highest 32 bits of 64-bit size for BINUNICODE8 and BINBYTES8 opcodes no +longer silently ignored on 32-bit platforms in C implementation. + +.. + +.. bpo: 25034 +.. date: 9901 +.. nonce: eGvOIb +.. section: Library + +Fix string.Formatter problem with auto-numbering and nested format_specs. +Patch by Anthon van der Neut. + +.. + +.. bpo: 25233 +.. date: 9900 +.. nonce: EdZV9x +.. section: Library + +Rewrite the guts of asyncio.Queue and asyncio.Semaphore to be more +understandable and correct. + +.. + +.. bpo: 23600 +.. date: 9899 +.. nonce: 7J_RD5 +.. section: Library + +Default implementation of tzinfo.fromutc() was returning wrong results in +some cases. + +.. + +.. bpo: 25203 +.. date: 9898 +.. nonce: IgDEbt +.. section: Library + +Failed readline.set_completer_delims() no longer left the module in +inconsistent state. + +.. + +.. bpo: 0 +.. date: 9897 +.. nonce: ww9QSm +.. section: Library + +Prevent overflow in _Unpickler_Read. + +.. + +.. bpo: 25047 +.. date: 9896 +.. nonce: kc8tqx +.. section: Library + +The XML encoding declaration written by Element Tree now respects the letter +case given by the user. This restores the ability to write encoding names in +uppercase like "UTF-8", which worked in Python 2. + +.. + +.. bpo: 19143 +.. date: 9895 +.. nonce: 76SBSO +.. section: Library + +platform module now reads Windows version from kernel32.dll to avoid +compatibility shims. + +.. + +.. bpo: 23517 +.. date: 9894 +.. nonce: T1dqBS +.. section: Library + +Fix rounding in fromtimestamp() and utcfromtimestamp() methods of +datetime.datetime: microseconds are now rounded to nearest with ties going +to nearest even integer (ROUND_HALF_EVEN), instead of being rounding towards +zero (ROUND_DOWN). It's important that these methods use the same rounding +mode than datetime.timedelta to keep the property: (datetime(1970,1,1) + +timedelta(seconds=t)) == datetime.utcfromtimestamp(t). It also the rounding +mode used by round(float) for example. + +.. + +.. bpo: 24684 +.. date: 9893 +.. nonce: t4T77O +.. section: Library + +socket.socket.getaddrinfo() now calls PyUnicode_AsEncodedString() instead of +calling the encode() method of the host, to handle correctly custom string +with an encode() method which doesn't return a byte string. The encoder of +the IDNA codec is now called directly instead of calling the encode() method +of the string. + +.. + +.. bpo: 24982 +.. date: 9892 +.. nonce: sGMMAR +.. section: Library + +shutil.make_archive() with the "zip" format now adds entries for directories +(including empty directories) in ZIP file. + +.. + +.. bpo: 24857 +.. date: 9891 +.. nonce: PpJWZ9 +.. section: Library + +Comparing call_args to a long sequence now correctly returns a boolean +result instead of raising an exception. Patch by A Kaptur. + +.. + +.. bpo: 25019 +.. date: 9890 +.. nonce: JQJlOZ +.. section: Library + +Fixed a crash caused by setting non-string key of expat parser. Based on +patch by John Leitch. + +.. + +.. bpo: 24917 +.. date: 9889 +.. nonce: xaQocz +.. section: Library + +time_strftime() buffer over-read. + +.. + +.. bpo: 23144 +.. date: 9888 +.. nonce: cLf67X +.. section: Library + +Make sure that HTMLParser.feed() returns all the data, even when +convert_charrefs is True. + +.. + +.. bpo: 16180 +.. date: 9887 +.. nonce: 6IUcNS +.. section: Library + +Exit pdb if file has syntax error, instead of trapping user in an infinite +loop. Patch by Xavier de Gaye. + +.. + +.. bpo: 21112 +.. date: 9886 +.. nonce: vSFU1r +.. section: Library + +Fix regression in unittest.expectedFailure on subclasses. Patch from Berker +Peksag. + +.. + +.. bpo: 24931 +.. date: 9885 +.. nonce: 4vKoWJ +.. section: Library + +Instances of subclasses of namedtuples have their own __dict__ which breaks +the inherited __dict__ property and breaks the _asdict() method. Removed the +__dict__ property to prevent the conflict and fixed _asdict(). + +.. + +.. bpo: 24764 +.. date: 9884 +.. nonce: QwFZ2S +.. section: Library + +cgi.FieldStorage.read_multi() now ignores the Content-Length header in part +headers. Patch written by Peter Landry and reviewed by Pierre Quentel. + +.. + +.. bpo: 24774 +.. date: 9883 +.. nonce: xLbskG +.. section: Library + +Fix docstring in http.server.test. Patch from Chiu-Hsiang Hsu. + +.. + +.. bpo: 21159 +.. date: 9882 +.. nonce: ochL5W +.. section: Library + +Improve message in configparser.InterpolationMissingOptionError. Patch from +Łukasz Langa. + +.. + +.. bpo: 23888 +.. date: 9881 +.. nonce: 7gw4oO +.. section: Library + +Handle fractional time in cookie expiry. Patch by ssh. + +.. + +.. bpo: 23004 +.. date: 9880 +.. nonce: xswcPm +.. section: Library + +mock_open() now reads binary data correctly when the type of read_data is +bytes. Initial patch by Aaron Hill. + +.. + +.. bpo: 23652 +.. date: 9879 +.. nonce: DKQ_7t +.. section: Library + +Make it possible to compile the select module against the libc headers from +the Linux Standard Base, which do not include some EPOLL macros. Patch by +Matt Frank. + +.. + +.. bpo: 22932 +.. date: 9878 +.. nonce: mPclSJ +.. section: Library + +Fix timezones in email.utils.formatdate. Patch from Dmitry Shachnev. + +.. + +.. bpo: 23779 +.. date: 9877 +.. nonce: ET4JJP +.. section: Library + +imaplib raises TypeError if authenticator tries to abort. Patch from Craig +Holmquist. + +.. + +.. bpo: 23319 +.. date: 9876 +.. nonce: FXyUH- +.. section: Library + +Fix ctypes.BigEndianStructure, swap correctly bytes. Patch written by +Matthieu Gautier. + +.. + +.. bpo: 23254 +.. date: 9875 +.. nonce: zNiy1X +.. section: Library + +Document how to close the TCPServer listening socket. Patch from Martin +Panter. + +.. + +.. bpo: 19450 +.. date: 9874 +.. nonce: VG7T-L +.. section: Library + +Update Windows and OS X installer builds to use SQLite 3.8.11. + +.. + +.. bpo: 23441 +.. date: 9873 +.. nonce: JXt2Yt +.. section: Library + +rcompleter now prints a tab character instead of displaying possible +completions for an empty word. Initial patch by Martin Sekera. + +.. + +.. bpo: 24735 +.. date: 9872 +.. nonce: tGudHm +.. section: Library + +Fix invalid memory access in itertools.combinations_with_replacement(). + +.. + +.. bpo: 17527 +.. date: 9871 +.. nonce: ve9fyw +.. section: Library + +Add PATCH to wsgiref.validator. Patch from Luca Sbardella. + +.. + +.. bpo: 24683 +.. date: 9870 +.. nonce: aJdWEv +.. section: Library + +Fixed crashes in _json functions called with arguments of inappropriate +type. + +.. + +.. bpo: 21697 +.. date: 9869 +.. nonce: jpATha +.. section: Library + +shutil.copytree() now correctly handles symbolic links that point to +directories. Patch by Eduardo Seabra and Thomas Kluyver. + +.. + +.. bpo: 24620 +.. date: 9868 +.. nonce: rrnxB- +.. section: Library + +Random.setstate() now validates the value of state last element. + +.. + +.. bpo: 22153 +.. date: 9867 +.. nonce: 6n6yld +.. section: Library + +Improve unittest docs. Patch from Martin Panter and evilzero. + +.. + +.. bpo: 24206 +.. date: 9866 +.. nonce: ffkVHH +.. section: Library + +Fixed __eq__ and __ne__ methods of inspect classes. + +.. + +.. bpo: 21750 +.. date: 9865 +.. nonce: _Ycvgi +.. section: Library + +mock_open.read_data can now be read from each instance, as it could in +Python 3.3. + +.. + +.. bpo: 23247 +.. date: 9864 +.. nonce: nN-K74 +.. section: Library + +Fix a crash in the StreamWriter.reset() of CJK codecs. + +.. + +.. bpo: 18622 +.. date: 9863 +.. nonce: i6nCCW +.. section: Library + +unittest.mock.mock_open().reset_mock would recurse infinitely. Patch from +Nicola Palumbo and Laurent De Buyst. + +.. + +.. bpo: 24608 +.. date: 9862 +.. nonce: 0TndL0 +.. section: Library + +chunk.Chunk.read() now always returns bytes, not str. + +.. + +.. bpo: 18684 +.. date: 9861 +.. nonce: S2es0F +.. section: Library + +Fixed reading out of the buffer in the re module. + +.. + +.. bpo: 24259 +.. date: 9860 +.. nonce: vMAi1A +.. section: Library + +tarfile now raises a ReadError if an archive is truncated inside a data +segment. + +.. + +.. bpo: 24552 +.. date: 9859 +.. nonce: VTO6sf +.. section: Library + +Fix use after free in an error case of the _pickle module. + +.. + +.. bpo: 24514 +.. date: 9858 +.. nonce: _xRb2r +.. section: Library + +tarfile now tolerates number fields consisting of only whitespace. + +.. + +.. bpo: 19176 +.. date: 9857 +.. nonce: 8V6nOK +.. section: Library + +Fixed doctype() related bugs in C implementation of ElementTree. A +deprecation warning no longer issued by XMLParser subclass with default +doctype() method. Direct call of doctype() now issues a warning. Parser's +doctype() now is not called if target's doctype() is called. Based on patch +by Martin Panter. + +.. + +.. bpo: 20387 +.. date: 9856 +.. nonce: aAbWbQ +.. section: Library + +Restore semantic round-trip correctness in tokenize/untokenize for tab- +indented blocks. + +.. + +.. bpo: 24456 +.. date: 9855 +.. nonce: yYSd2u +.. section: Library + +Fixed possible buffer over-read in adpcm2lin() and lin2adpcm() functions of +the audioop module. + +.. + +.. bpo: 24336 +.. date: 9854 +.. nonce: 4a5y1m +.. section: Library + +The contextmanager decorator now works with functions with keyword arguments +called "func" and "self". Patch by Martin Panter. + +.. + +.. bpo: 24489 +.. date: 9853 +.. nonce: GJnMcW +.. section: Library + +ensure a previously set C errno doesn't disturb cmath.polar(). + +.. + +.. bpo: 5633 +.. date: 9852 +.. nonce: JNzKZq +.. section: Library + +Fixed timeit when the statement is a string and the setup is not. + +.. + +.. bpo: 24326 +.. date: 9851 +.. nonce: 4t_6Gy +.. section: Library + +Fixed audioop.ratecv() with non-default weightB argument. Original patch by +David Moore. + +.. + +.. bpo: 23840 +.. date: 9850 +.. nonce: mtSbqO +.. section: Library + +tokenize.open() now closes the temporary binary file on error to fix a +resource warning. + +.. + +.. bpo: 24257 +.. date: 9849 +.. nonce: L_efq0 +.. section: Library + +Fixed segmentation fault in sqlite3.Row constructor with faked cursor type. + +.. + +.. bpo: 22107 +.. date: 9848 +.. nonce: 2F8k4W +.. section: Library + +tempfile.gettempdir() and tempfile.mkdtemp() now try again when a directory +with the chosen name already exists on Windows as well as on Unix. +tempfile.mkstemp() now fails early if parent directory is not valid (not +exists or is a file) on Windows. + +.. + +.. bpo: 6598 +.. date: 9847 +.. nonce: JdZNDt +.. section: Library + +Increased time precision and random number range in email.utils.make_msgid() +to strengthen the uniqueness of the message ID. + +.. + +.. bpo: 24091 +.. date: 9846 +.. nonce: Jw0-wj +.. section: Library + +Fixed various crashes in corner cases in C implementation of ElementTree. + +.. + +.. bpo: 21931 +.. date: 9845 +.. nonce: t6lGxY +.. section: Library + +msilib.FCICreate() now raises TypeError in the case of a bad argument +instead of a ValueError with a bogus FCI error number. Patch by Jeffrey +Armstrong. + +.. + +.. bpo: 23796 +.. date: 9844 +.. nonce: JJmUnc +.. section: Library + +peek and read1 methods of BufferedReader now raise ValueError if they called +on a closed object. Patch by John Hergenroeder. + +.. + +.. bpo: 24521 +.. date: 9843 +.. nonce: bn4U-y +.. section: Library + +Fix possible integer overflows in the pickle module. + +.. + +.. bpo: 22931 +.. date: 9842 +.. nonce: 4CuWYD +.. section: Library + +Allow '[' and ']' in cookie values. + +.. + +.. bpo: 20274 +.. date: 9841 +.. nonce: hBst4M +.. section: Library + +Remove ignored and erroneous "kwargs" parameters from three METH_VARARGS +methods on _sqlite.Connection. + +.. + +.. bpo: 24094 +.. date: 9840 +.. nonce: 7T-u7k +.. section: Library + +Fix possible crash in json.encode with poorly behaved dict subclasses. + +.. + +.. bpo: 0 +.. date: 9839 +.. nonce: oVpSpG +.. section: Library + +Asyncio issue 222 / PR 231 (Victor Stinner) -- fix @coroutine functions +without __name__. + +.. + +.. bpo: 9246 +.. date: 9838 +.. nonce: oM-Ikk +.. section: Library + +On POSIX, os.getcwd() now supports paths longer than 1025 bytes. Patch +written by William Orr. + +.. + +.. bpo: 0 +.. date: 9837 +.. nonce: fgX8Qe +.. section: Library + +The keywords attribute of functools.partial is now always a dictionary. + +.. + +.. bpo: 24099 +.. date: 9836 +.. nonce: eLk6AB +.. section: Library + +Fix free-after-use bug in heapq's siftup and siftdown functions. (See also: +bpo-24100, bpo-24101) + +.. + +.. bpo: 0 +.. date: 9835 +.. nonce: OuI94b +.. section: Library + +Backport collections.deque fixes from Python 3.5. Prevents reentrant +badness during deletion by deferring the decref until the container has been +restored to a consistent state. + +.. + +.. bpo: 23008 +.. date: 9834 +.. nonce: OZFCd- +.. section: Library + +Fixed resolving attributes with boolean value is False in pydoc. + +.. + +.. bpo: 0 +.. date: 9833 +.. nonce: qpVFD6 +.. section: Library + +Fix asyncio issue 235: LifoQueue and PriorityQueue's put didn't increment +unfinished tasks (this bug was introduced in 3.4.3 when JoinableQueue was +merged with Queue). + +.. + +.. bpo: 23908 +.. date: 9832 +.. nonce: jIfoyT +.. section: Library + +os functions now reject paths with embedded null character on Windows +instead of silently truncate them. + +.. + +.. bpo: 23728 +.. date: 9831 +.. nonce: YBmQmV +.. section: Library + +binascii.crc_hqx() could return an integer outside of the range 0-0xffff for +empty data. + +.. + +.. bpo: 23811 +.. date: 9830 +.. nonce: B6tzf9 +.. section: Library + +Add missing newline to the PyCompileError error message. Patch by Alex +Shkop. + +.. + +.. bpo: 17898 +.. date: 9829 +.. nonce: EsbCnX +.. section: Library + +Fix exception in gettext.py when parsing certain plural forms. + +.. + +.. bpo: 22982 +.. date: 9828 +.. nonce: xYmG62 +.. section: Library + +Improve BOM handling when seeking to multiple positions of a writable text +file. + +.. + +.. bpo: 23865 +.. date: 9827 +.. nonce: PtSLgU +.. section: Library + +close() methods in multiple modules now are idempotent and more robust at +shutdown. If they need to release multiple resources, all are released even +if errors occur. + +.. + +.. bpo: 23881 +.. date: 9826 +.. nonce: yZjl4b +.. section: Library + +urllib.request.ftpwrapper constructor now closes the socket if the FTP +connection failed to fix a ResourceWarning. + +.. + +.. bpo: 23400 +.. date: 9825 +.. nonce: JSh9Z3 +.. section: Library + +Raise same exception on both Python 2 and 3 if sem_open is not available. +Patch by Davin Potts. + +.. + +.. bpo: 15133 +.. date: 9824 +.. nonce: C0QfV8 +.. section: Library + +_tkinter.tkapp.getboolean() now supports Tcl_Obj and always returns bool. +tkinter.BooleanVar now validates input values (accepted bool, int, str, and +Tcl_Obj). tkinter.BooleanVar.get() now always returns bool. + +.. + +.. bpo: 23338 +.. date: 9823 +.. nonce: ZYMGN1 +.. section: Library + +Fixed formatting ctypes error messages on Cygwin. Patch by Makoto Kato. + +.. + +.. bpo: 16840 +.. date: 9822 +.. nonce: kKIhPm +.. section: Library + +Tkinter now supports 64-bit integers added in Tcl 8.4 and arbitrary +precision integers added in Tcl 8.5. + +.. + +.. bpo: 23834 +.. date: 9821 +.. nonce: fX3TF4 +.. section: Library + +Fix socket.sendto(), use the C Py_ssize_t type to store the result of +sendto() instead of the C int type. + +.. + +.. bpo: 21526 +.. date: 9820 +.. nonce: QQEXrR +.. section: Library + +Tkinter now supports new boolean type in Tcl 8.5. + +.. + +.. bpo: 23838 +.. date: 9819 +.. nonce: IX6FPX +.. section: Library + +linecache now clears the cache and returns an empty result on MemoryError. + +.. + +.. bpo: 18473 +.. date: 9818 +.. nonce: 89RHm- +.. section: Library + +Fixed 2to3 and 3to2 compatible pickle mappings. Fixed ambigious reverse +mappings. Added many new mappings. Import mapping is no longer applied to +modules already mapped with full name mapping. + +.. + +.. bpo: 23745 +.. date: 9817 +.. nonce: E00Bml +.. section: Library + +The new email header parser now handles duplicate MIME parameter names +without error, similar to how get_param behaves. + +.. + +.. bpo: 23792 +.. date: 9816 +.. nonce: Kfm9-f +.. section: Library + +Ignore KeyboardInterrupt when the pydoc pager is active. This mimics the +behavior of the standard unix pagers, and prevents pipepager from shutting +down while the pager itself is still running. + +.. + +.. bpo: 23742 +.. date: 9815 +.. nonce: _EkAIa +.. section: Library + +ntpath.expandvars() no longer loses unbalanced single quotes. + +.. + +.. bpo: 21802 +.. date: 9814 +.. nonce: ygSM2A +.. section: Library + +The reader in BufferedRWPair now is closed even when closing writer failed +in BufferedRWPair.close(). + +.. + +.. bpo: 23671 +.. date: 9813 +.. nonce: N8nc23 +.. section: Library + +string.Template now allows to specify the "self" parameter as keyword +argument. string.Formatter now allows to specify the "self" and the +"format_string" parameters as keyword arguments. + +.. + +.. bpo: 21560 +.. date: 9812 +.. nonce: lqfYv8 +.. section: Library + +An attempt to write a data of wrong type no longer cause GzipFile +corruption. Original patch by Wolfgang Maier. + +.. + +.. bpo: 23647 +.. date: 9811 +.. nonce: pX2qrx +.. section: Library + +Increase impalib's MAXLINE to accommodate modern mailbox sizes. + +.. + +.. bpo: 23539 +.. date: 9810 +.. nonce: 5BVUim +.. section: Library + +If body is None, http.client.HTTPConnection.request now sets Content-Length +to 0 for PUT, POST, and PATCH headers to avoid 411 errors from some web +servers. + +.. + +.. bpo: 22351 +.. date: 9809 +.. nonce: agB8Y3 +.. section: Library + +The nntplib.NNTP constructor no longer leaves the connection and socket open +until the garbage collector cleans them up. Patch by Martin Panter. + +.. + +.. bpo: 23136 +.. date: 9808 +.. nonce: 1bnpnb +.. section: Library + +_strptime now uniformly handles all days in week 0, including Dec 30 of +previous year. Based on patch by Jim Carroll. + +.. + +.. bpo: 23700 +.. date: 9807 +.. nonce: VfnWwi +.. section: Library + +Iterator of NamedTemporaryFile now keeps a reference to NamedTemporaryFile +instance. Patch by Bohuslav Kabrda. + +.. + +.. bpo: 22903 +.. date: 9806 +.. nonce: 2GjTHY +.. section: Library + +The fake test case created by unittest.loader when it fails importing a test +module is now picklable. + +.. + +.. bpo: 23568 +.. date: 9805 +.. nonce: ffzJc7 +.. section: Library + +Add rdivmod support to MagicMock() objects. Patch by Håkan Lövdahl. + +.. + +.. bpo: 23138 +.. date: 9804 +.. nonce: 4vMoMZ +.. section: Library + +Fixed parsing cookies with absent keys or values in cookiejar. Patch by +Demian Brecht. + +.. + +.. bpo: 23051 +.. date: 9803 +.. nonce: Vi5tCZ +.. section: Library + +multiprocessing.Pool methods imap() and imap_unordered() now handle +exceptions raised by an iterator. Patch by Alon Diamant and Davin Potts. + +.. + +.. bpo: 22928 +.. date: 9802 +.. nonce: q2TmY0 +.. section: Library + +Disabled HTTP header injections in http.client. Original patch by Demian +Brecht. + +.. + +.. bpo: 23615 +.. date: 9801 +.. nonce: 5Kx9k5 +.. section: Library + +Modules bz2, tarfile and tokenize now can be reloaded with imp.reload(). +Patch by Thomas Kluyver. + +.. + +.. bpo: 23476 +.. date: 9800 +.. nonce: 82QV9I +.. section: Library + +In the ssl module, enable OpenSSL's X509_V_FLAG_TRUSTED_FIRST flag on +certificate stores when it is available. + +.. + +.. bpo: 23576 +.. date: 9799 +.. nonce: 98F-PP +.. section: Library + +Avoid stalling in SSL reads when EOF has been reached in the SSL layer but +the underlying connection hasn't been closed. + +.. + +.. bpo: 23504 +.. date: 9798 +.. nonce: o31h5I +.. section: Library + +Added an __all__ to the types module. + +.. + +.. bpo: 20204 +.. date: 9797 +.. nonce: DorA4b +.. section: Library + +Added the __module__ attribute to _tkinter classes. + +.. + +.. bpo: 23521 +.. date: 9796 +.. nonce: 0UEjfm +.. section: Library + +Corrected pure python implementation of timedelta division. + +Eliminated OverflowError from timedelta * float for some floats; Corrected +rounding in timedlta true division. + +.. + +.. bpo: 21619 +.. date: 9795 +.. nonce: uL0SZh +.. section: Library + +Popen objects no longer leave a zombie after exit in the with statement if +the pipe was broken. Patch by Martin Panter. + +.. + +.. bpo: 6639 +.. date: 9794 +.. nonce: rmjUmG +.. section: Library + +Module-level turtle functions no longer raise TclError after closing the +window. + +.. + +.. bpo: 814253 +.. date: 9793 +.. nonce: AJWDsY +.. section: Library + +Warnings now are raised when group references and conditional group +references are used in lookbehind assertions in regular expressions. (See +also: bpo-9179) + +.. + +.. bpo: 23215 +.. date: 9792 +.. nonce: VHVSVX +.. section: Library + +Multibyte codecs with custom error handlers that ignores errors consumed too +much memory and raised SystemError or MemoryError. Original patch by Aleksi +Torhamo. + +.. + +.. bpo: 5700 +.. date: 9791 +.. nonce: iA5yzL +.. section: Library + +io.FileIO() called flush() after closing the file. flush() was not called in +close() if closefd=False. + +.. + +.. bpo: 23374 +.. date: 9790 +.. nonce: 8A9LuZ +.. section: Library + +Fixed pydoc failure with non-ASCII files when stdout encoding differs from +file system encoding (e.g. on Mac OS). + +.. + +.. bpo: 23481 +.. date: 9789 +.. nonce: ZWwliG +.. section: Library + +Remove RC4 from the SSL module's default cipher list. + +.. + +.. bpo: 21548 +.. date: 9788 +.. nonce: CmO_Yh +.. section: Library + +Fix pydoc.synopsis() and pydoc.apropos() on modules with empty docstrings. + +.. + +.. bpo: 22885 +.. date: 9787 +.. nonce: p8FnYk +.. section: Library + +Fixed arbitrary code execution vulnerability in the dbm.dumb module. +Original patch by Claudiu Popa. + +.. + +.. bpo: 23146 +.. date: 9786 +.. nonce: PW-O3u +.. section: Library + +Fix mishandling of absolute Windows paths with forward slashes in pathlib. + +.. + +.. bpo: 23421 +.. date: 9785 +.. nonce: eckzoV +.. section: Library + +Fixed compression in tarfile CLI. Patch by wdv4758h. + +.. + +.. bpo: 23367 +.. date: 9784 +.. nonce: kHnFiz +.. section: Library + +Fix possible overflows in the unicodedata module. + +.. + +.. bpo: 23361 +.. date: 9783 +.. nonce: I_w0-z +.. section: Library + +Fix possible overflow in Windows subprocess creation code. + +.. + +.. bpo: 23801 +.. date: 9782 +.. nonce: jyJK3z +.. section: Library + +Fix issue where cgi.FieldStorage did not always ignore the entire preamble +to a multipart body. + +.. + +.. bpo: 23310 +.. date: 9781 +.. nonce: GXmFMR +.. section: Library + +Fix MagicMock's initializer to work with __methods__, just like +configure_mock(). Patch by Kasia Jachim. + +.. + +.. bpo: 0 +.. date: 9780 +.. nonce: MjNdSC +.. section: Library + +asyncio: New event loop APIs: set_task_factory() and get_task_factory(). + +.. + +.. bpo: 0 +.. date: 9779 +.. nonce: rVcHXp +.. section: Library + +asyncio: async() function is deprecated in favour of ensure_future(). + +.. + +.. bpo: 23898 +.. date: 9778 +.. nonce: OSiZie +.. section: Library + +Fix inspect.classify_class_attrs() to support attributes with overloaded +__eq__ and __bool__. Patch by Mike Bayer. + +.. + +.. bpo: 24298 +.. date: 9777 +.. nonce: u_TaxI +.. section: Library + +Fix inspect.signature() to correctly unwrap wrappers around bound methods. + +.. + +.. bpo: 23572 +.. date: 9776 +.. nonce: QhQ9RD +.. section: Library + +Fixed functools.singledispatch on classes with falsy metaclasses. Patch by +Ethan Furman. + +.. + +.. bpo: 15348 +.. date: 9775 +.. nonce: d1Fg01 +.. section: IDLE + +Stop the debugger engine (normally in a user process) before closing the +debugger window (running in the IDLE process). This prevents the +RuntimeErrors that were being caught and ignored. + +.. + +.. bpo: 24455 +.. date: 9774 +.. nonce: x6YqtE +.. section: IDLE + +Prevent IDLE from hanging when a) closing the shell while the debugger is +active (15347); b) closing the debugger with the [X] button (15348); and c) +activating the debugger when already active (24455). The patch by Mark +Roseman does this by making two changes. 1. Suspend and resume the +gui.interaction method with the tcl vwait mechanism intended for this +purpose (instead of root.mainloop & .quit). 2. In gui.run, allow any +existing interaction to terminate first. + +.. + +.. bpo: 0 +.. date: 9773 +.. nonce: Yp9LRY +.. section: IDLE + +Change 'The program' to 'Your program' in an IDLE 'kill program?' message to +make it clearer that the program referred to is the currently running user +program, not IDLE itself. + +.. + +.. bpo: 24750 +.. date: 9772 +.. nonce: xgsi-K +.. section: IDLE + +Improve the appearance of the IDLE editor window status bar. Patch by Mark +Roseman. + +.. + +.. bpo: 25313 +.. date: 9771 +.. nonce: xMXHpO +.. section: IDLE + +Change the handling of new built-in text color themes to better address the +compatibility problem introduced by the addition of IDLE Dark. Consistently +use the revised idleConf.CurrentTheme everywhere in idlelib. + +.. + +.. bpo: 24782 +.. date: 9770 +.. nonce: PCsWad +.. section: IDLE + +Extension configuration is now a tab in the IDLE Preferences dialog rather +than a separate dialog. The former tabs are now a sorted list. Patch by +Mark Roseman. + +.. + +.. bpo: 22726 +.. date: 9769 +.. nonce: x8T0dA +.. section: IDLE + +Re-activate the config dialog help button with some content about the other +buttons and the new IDLE Dark theme. + +.. + +.. bpo: 24820 +.. date: 9768 +.. nonce: TFPJhr +.. section: IDLE + +IDLE now has an 'IDLE Dark' built-in text color theme. It is more or less +IDLE Classic inverted, with a cobalt blue background. Strings, comments, +keywords, ... are still green, red, orange, ... . To use it with IDLEs +released before November 2015, hit the 'Save as New Custom Theme' button and +enter a new name, such as 'Custom Dark'. The custom theme will work with +any IDLE release, and can be modified. + +.. + +.. bpo: 25224 +.. date: 9767 +.. nonce: 5Llwo4 +.. section: IDLE + +README.txt is now an idlelib index for IDLE developers and curious users. +The previous user content is now in the IDLE doc chapter. 'IDLE' now means +'Integrated Development and Learning Environment'. + +.. + +.. bpo: 24820 +.. date: 9766 +.. nonce: ZUz9Fn +.. section: IDLE + +Users can now set breakpoint colors in Settings -> Custom Highlighting. +Original patch by Mark Roseman. + +.. + +.. bpo: 24972 +.. date: 9765 +.. nonce: uc0uNo +.. section: IDLE + +Inactive selection background now matches active selection background, as +configured by users, on all systems. Found items are now always highlighted +on Windows. Initial patch by Mark Roseman. + +.. + +.. bpo: 24570 +.. date: 9764 +.. nonce: s3EkNn +.. section: IDLE + +Idle: make calltip and completion boxes appear on Macs affected by a tk +regression. Initial patch by Mark Roseman. + +.. + +.. bpo: 24988 +.. date: 9763 +.. nonce: tXqq4T +.. section: IDLE + +Idle ScrolledList context menus (used in debugger) now work on Mac Aqua. +Patch by Mark Roseman. + +.. + +.. bpo: 24801 +.. date: 9762 +.. nonce: -bj_Ou +.. section: IDLE + +Make right-click for context menu work on Mac Aqua. Patch by Mark Roseman. + +.. + +.. bpo: 25173 +.. date: 9761 +.. nonce: EZzrPg +.. section: IDLE + +Associate tkinter messageboxes with a specific widget. For Mac OSX, make +them a 'sheet'. Patch by Mark Roseman. + +.. + +.. bpo: 25198 +.. date: 9760 +.. nonce: -j_BV7 +.. section: IDLE + +Enhance the initial html viewer now used for Idle Help. * Properly indent +fixed-pitch text (patch by Mark Roseman). * Give code snippet a very Sphinx- +like light blueish-gray background. * Re-use initial width and height set by +users for shell and editor. * When the Table of Contents (TOC) menu is used, +put the section header at the top of the screen. + +.. + +.. bpo: 25225 +.. date: 9759 +.. nonce: 9pvdq6 +.. section: IDLE + +Condense and rewrite Idle doc section on text colors. + +.. + +.. bpo: 21995 +.. date: 9758 +.. nonce: C5Rmzx +.. section: IDLE + +Explain some differences between IDLE and console Python. + +.. + +.. bpo: 22820 +.. date: 9757 +.. nonce: hix_8X +.. section: IDLE + +Explain need for *print* when running file from Idle editor. + +.. + +.. bpo: 25224 +.. date: 9756 +.. nonce: UVMYQq +.. section: IDLE + +Doc: augment Idle feature list and no-subprocess section. + +.. + +.. bpo: 25219 +.. date: 9755 +.. nonce: 8_9DYg +.. section: IDLE + +Update doc for Idle command line options. Some were missing and notes were +not correct. + +.. + +.. bpo: 24861 +.. date: 9754 +.. nonce: Ecg2yT +.. section: IDLE + +Most of idlelib is private and subject to change. Use idleib.idle.* to start +Idle. See idlelib.__init__.__doc__. + +.. + +.. bpo: 25199 +.. date: 9753 +.. nonce: ih7yY3 +.. section: IDLE + +Idle: add synchronization comments for future maintainers. + +.. + +.. bpo: 16893 +.. date: 9752 +.. nonce: bZtPgJ +.. section: IDLE + +Replace help.txt with help.html for Idle doc display. The new +idlelib/help.html is rstripped Doc/build/html/library/idle.html. It looks +better than help.txt and will better document Idle as released. The tkinter +html viewer that works for this file was written by Mark Roseman. The now +unused EditorWindow.HelpDialog class and helt.txt file are deprecated. + +.. + +.. bpo: 24199 +.. date: 9751 +.. nonce: VKnZEv +.. section: IDLE + +Deprecate unused idlelib.idlever with possible removal in 3.6. + +.. + +.. bpo: 24790 +.. date: 9750 +.. nonce: hD1hlj +.. section: IDLE + +Remove extraneous code (which also create 2 & 3 conflicts). + +.. + +.. bpo: 23672 +.. date: 9749 +.. nonce: 8td2se +.. section: IDLE + +Allow Idle to edit and run files with astral chars in name. Patch by Mohd +Sanad Zaki Rizvi. + +.. + +.. bpo: 24745 +.. date: 9748 +.. nonce: edbziT +.. section: IDLE + +Idle editor default font. Switch from Courier to platform-sensitive +TkFixedFont. This should not affect current customized font selections. If +there is a problem, edit $HOME/.idlerc/config-main.cfg and remove 'fontxxx' +entries from [Editor Window]. Patch by Mark Roseman. + +.. + +.. bpo: 21192 +.. date: 9747 +.. nonce: CdbipH +.. section: IDLE + +Idle editor. When a file is run, put its name in the restart bar. Do not +print false prompts. Original patch by Adnan Umer. + +.. + +.. bpo: 13884 +.. date: 9746 +.. nonce: vVcO1E +.. section: IDLE + +Idle menus. Remove tearoff lines. Patch by Roger Serwy. + +.. + +.. bpo: 23184 +.. date: 9745 +.. nonce: G_Cp9v +.. section: IDLE + +remove unused names and imports in idlelib. Initial patch by Al Sweigart. + +.. + +.. bpo: 25616 +.. date: 9744 +.. nonce: Qr-60p +.. section: Tests + +Tests for OrderedDict are extracted from test_collections into separate file +test_ordered_dict. + +.. + +.. bpo: 25099 +.. date: 9743 +.. nonce: tJQOWx +.. section: Tests + +Make test_compileall not fail when an entry on sys.path cannot be written to +(commonly seen in administrative installs on Windows). + +.. + +.. bpo: 24751 +.. date: 9742 +.. nonce: pL2pbj +.. section: Tests + +When running regrtest with the ``-w`` command line option, a test run is no +longer marked as a failure if all tests succeed when re-run. + +.. + +.. bpo: 21520 +.. date: 9741 +.. nonce: FKtvmQ +.. section: Tests + +test_zipfile no longer fails if the word 'bad' appears anywhere in the name +of the current directory. + +.. + +.. bpo: 23799 +.. date: 9740 +.. nonce: XU2xDw +.. section: Tests + +Added test.support.start_threads() for running and cleaning up multiple +threads. + +.. + +.. bpo: 22390 +.. date: 9739 +.. nonce: UPVFnq +.. section: Tests + +test.regrtest now emits a warning if temporary files or directories are left +after running a test. + +.. + +.. bpo: 23583 +.. date: 9738 +.. nonce: bY8AbM +.. section: Tests + +Added tests for standard IO streams in IDLE. + +.. + +.. bpo: 23445 +.. date: 9737 +.. nonce: 7fmkYO +.. section: Build + +pydebug builds now use "gcc -Og" where possible, to make the resulting +executable faster. + +.. + +.. bpo: 24603 +.. date: 9736 +.. nonce: u0K8F- +.. section: Build + +Update Windows builds to use OpenSSL1.0.2d and OS X 10.5 installer to use +OpenSSL 1.0.2e. + +.. + +.. bpo: 23998 +.. date: 9735 +.. nonce: z7mlLW +.. section: C API + +PyImport_ReInitLock() now checks for lock allocation error + +.. + +.. bpo: 12067 +.. date: 9734 +.. nonce: nLD2M- +.. section: Documentation + +Rewrite Comparisons section in the Expressions chapter of the language +reference. Some of the details of comparing mixed types were incorrect or +ambiguous. NotImplemented is only relevant at a lower level than the +Expressions chapter. Added details of comparing range() objects, and default +behaviour and consistency suggestions for user-defined classes. Patch from +Andy Maier. + +.. + +.. bpo: 24952 +.. date: 9733 +.. nonce: RHhFPE +.. section: Documentation + +Clarify the default size argument of stack_size() in the "threading" and +"_thread" modules. Patch from Mattip. + +.. + +.. bpo: 24808 +.. date: 9732 +.. nonce: ux_TKt +.. section: Documentation + +Update the types of some PyTypeObject fields. Patch by Joseph Weston. + +.. + +.. bpo: 22812 +.. date: 9731 +.. nonce: kLCF0G +.. section: Documentation + +Fix unittest discovery examples. Patch from Pam McA'Nulty. + +.. + +.. bpo: 24129 +.. date: 9730 +.. nonce: Imr54z +.. section: Documentation + +Clarify the reference documentation for name resolution. This includes +removing the assumption that readers will be familiar with the name +resolution scheme Python used prior to the introduction of lexical scoping +for function namespaces. Patch by Ivan Levkivskyi. + +.. + +.. bpo: 20769 +.. date: 9729 +.. nonce: ZUc9z9 +.. section: Documentation + +Improve reload() docs. Patch by Dorian Pula. + +.. + +.. bpo: 23589 +.. date: 9728 +.. nonce: rjU421 +.. section: Documentation + +Remove duplicate sentence from the FAQ. Patch by Yongzhi Pan. + +.. + +.. bpo: 24729 +.. date: 9727 +.. nonce: PH3A9p +.. section: Documentation + +Correct IO tutorial to match implementation regarding encoding parameter to +open function. + +.. + +.. bpo: 24351 +.. date: 9726 +.. nonce: XeSVl5 +.. section: Documentation + +Clarify what is meant by "identifier" in the context of string.Template +instances. + +.. + +.. bpo: 22155 +.. date: 9725 +.. nonce: 9EbOit +.. section: Documentation + +Add File Handlers subsection with createfilehandler to tkinter doc. Remove +obsolete example from FAQ. Patch by Martin Panter. + +.. + +.. bpo: 24029 +.. date: 9724 +.. nonce: M2Bnks +.. section: Documentation + +Document the name binding behavior for submodule imports. + +.. + +.. bpo: 24077 +.. date: 9723 +.. nonce: 48QXOw +.. section: Documentation + +Fix typo in man page for -I command option: -s, not -S. + +.. + +.. bpo: 25440 +.. date: 9722 +.. nonce: 5xhyGr +.. section: Tools/Demos + +Fix output of python-config --extension-suffix. + +.. + +.. bpo: 23330 +.. date: 9721 +.. nonce: LTlKDp +.. section: Tools/Demos + +h2py now supports arbitrary filenames in #include. + +.. + +.. bpo: 24031 +.. date: 9720 +.. nonce: duGo88 +.. section: Tools/Demos + +make patchcheck now supports git checkouts, too. + +.. + +.. bpo: 24306 +.. date: 9719 +.. nonce: OJn7Rb +.. section: Windows + +Sets component ID for launcher to match 3.5 and later to avoid downgrading. + +.. + +.. bpo: 25022 +.. date: 9718 +.. nonce: vAt_zr +.. section: Windows + +Removed very outdated PC/example_nt/ directory. diff --git a/Misc/NEWS.d/3.4.5.rst b/Misc/NEWS.d/3.4.5.rst new file mode 100644 index 000000000000..a98fac5d7095 --- /dev/null +++ b/Misc/NEWS.d/3.4.5.rst @@ -0,0 +1,7 @@ +.. bpo: 26867 +.. date: 9982 +.. nonce: QPSyP5 +.. release date: 2016-06-26 +.. section: Tests + +Ubuntu's openssl OP_NO_SSLv3 is forced on by default; fix test. diff --git a/Misc/NEWS.d/3.4.5rc1.rst b/Misc/NEWS.d/3.4.5rc1.rst new file mode 100644 index 000000000000..bbed1a1af990 --- /dev/null +++ b/Misc/NEWS.d/3.4.5rc1.rst @@ -0,0 +1,101 @@ +.. bpo: 26478 +.. date: 9981 +.. nonce: n0dB8e +.. release date: 2016-06-11 +.. section: Core and Builtins + +Fix semantic bugs when using binary operators with dictionary views and +tuples. + +.. + +.. bpo: 26171 +.. date: 9980 +.. nonce: 8SaQEa +.. section: Core and Builtins + +Fix possible integer overflow and heap corruption in zipimporter.get_data(). + +.. + +.. bpo: 26556 +.. date: 9979 +.. nonce: v5j2uL +.. section: Library + +Update expat to 2.1.1, fixes CVE-2015-1283. + +.. + +.. bpo: 0 +.. date: 9978 +.. nonce: qP8WT- +.. section: Library + +Fix TLS stripping vulnerability in smptlib, CVE-2016-0772. Reported by Team +Oststrom + +.. + +.. bpo: 25939 +.. date: 9977 +.. nonce: I-qK2E +.. section: Library + +On Windows open the cert store readonly in ssl.enum_certificates. + +.. + +.. bpo: 26012 +.. date: 9976 +.. nonce: KC-JIr +.. section: Library + +Don't traverse into symlinks for ** pattern in pathlib.Path.[r]glob(). + +.. + +.. bpo: 24120 +.. date: 9975 +.. nonce: Yiwa0h +.. section: Library + +Ignore PermissionError when traversing a tree with pathlib.Path.[r]glob(). +Patch by Ulrich Petri. + +.. + +.. bpo: 0 +.. date: 9974 +.. nonce: rtZyid +.. section: Library + +Skip getaddrinfo if host is already resolved. Patch by A. Jesse Jiryu Davis. + +.. + +.. bpo: 0 +.. date: 9973 +.. nonce: R3C9Tn +.. section: Library + +Add asyncio.timeout() context manager. + +.. + +.. bpo: 26050 +.. date: 9972 +.. nonce: sclyvk +.. section: Library + +Add asyncio.StreamReader.readuntil() method. Patch by Марк Коренберг. + +.. + +.. bpo: 25940 +.. date: 9971 +.. nonce: PgiLVN +.. section: Tests + +Changed test_ssl to use self-signed.pythontest.net. This avoids relying on +svn.python.org, which recently changed root certificate. diff --git a/Misc/NEWS.d/3.4.6.rst b/Misc/NEWS.d/3.4.6.rst new file mode 100644 index 000000000000..89e0bc237697 --- /dev/null +++ b/Misc/NEWS.d/3.4.6.rst @@ -0,0 +1,7 @@ +.. bpo: 0 +.. date: 9995 +.. no changes: True +.. nonce: 9jLltj +.. release date: 2017-01-17 + +There were no changes between 3.4.6rc1 and 3.4.6 final. diff --git a/Misc/NEWS.d/3.4.6rc1.rst b/Misc/NEWS.d/3.4.6rc1.rst new file mode 100644 index 000000000000..229ee48bcfee --- /dev/null +++ b/Misc/NEWS.d/3.4.6rc1.rst @@ -0,0 +1,114 @@ +.. bpo: 28648 +.. date: 9994 +.. nonce: z7B52W +.. release date: 2017-01-02 +.. section: Core and Builtins + +Fixed crash in Py_DecodeLocale() in debug build on Mac OS X when decode +astral characters. Patch by Xiang Zhang. + +.. + +.. bpo: 28426 +.. date: 9993 +.. nonce: E_quyK +.. section: Core and Builtins + +Fixed potential crash in PyUnicode_AsDecodedObject() in debug build. + +.. + +.. bpo: 28563 +.. date: 9992 +.. nonce: iweEiw +.. section: Library + +Fixed possible DoS and arbitrary code execution when handle plural form +selections in the gettext module. The expression parser now supports exact +syntax supported by GNU gettext. + +.. + +.. bpo: 0 +.. date: 9991 +.. nonce: Ny9oPv +.. section: Library + +In the curses module, raise an error if window.getstr() or window.instr() is +passed a negative value. + +.. + +.. bpo: 27783 +.. date: 9990 +.. nonce: 6fCCY9 +.. section: Library + +Fix possible usage of uninitialized memory in operator.methodcaller. + +.. + +.. bpo: 27774 +.. date: 9989 +.. nonce: FDcik1 +.. section: Library + +Fix possible Py_DECREF on unowned object in _sre. + +.. + +.. bpo: 27760 +.. date: 9988 +.. nonce: gxMjp4 +.. section: Library + +Fix possible integer overflow in binascii.b2a_qp. + +.. + +.. bpo: 27758 +.. date: 9987 +.. nonce: x9DC4R +.. section: Library + +Fix possible integer overflow in the _csv module for large record lengths. + +.. + +.. bpo: 27568 +.. date: 9986 +.. nonce: OnuO9s +.. section: Library + +Prevent HTTPoxy attack (CVE-2016-1000110). Ignore the HTTP_PROXY variable +when REQUEST_METHOD environment is set, which indicates that the script is +in CGI mode. + +.. + +.. bpo: 27759 +.. date: 9985 +.. nonce: qpMDGq +.. section: Library + +Fix selectors incorrectly retain invalid file descriptors. Patch by Mark +Williams. + +.. + +.. bpo: 28248 +.. date: 9984 +.. nonce: RYLa4f +.. section: Build + +Update Windows build to use OpenSSL 1.0.2j. + +.. + +.. bpo: 27369 +.. date: 9983 +.. nonce: LG7U2D +.. section: Tests + +In test_pyexpat, avoid testing an error message detail that changed in Expat +2.2.0. diff --git a/Misc/NEWS.d/next/Core and Builtins/04.bpo-27945.p29r3O.rst b/Misc/NEWS.d/next/Core and Builtins/04.bpo-27945.p29r3O.rst new file mode 100644 index 000000000000..da5b8d1a2cac --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/04.bpo-27945.p29r3O.rst @@ -0,0 +1,3 @@ +Fixed various segfaults with dict when input collections are mutated during +searching, inserting or comparing. Based on patches by Duane Griffin and +Tim Mitchell. diff --git a/Misc/NEWS.d/next/Documentation/03.bpo-25008.CeIzyU.rst b/Misc/NEWS.d/next/Documentation/03.bpo-25008.CeIzyU.rst new file mode 100644 index 000000000000..ea4046ead7de --- /dev/null +++ b/Misc/NEWS.d/next/Documentation/03.bpo-25008.CeIzyU.rst @@ -0,0 +1,2 @@ +Document smtpd.py as effectively deprecated and add a pointer to aiosmtpd, a +third-party asyncio-based replacement. diff --git a/Misc/NEWS.d/next/Library/01.bpo-27850.kIVQ0m.rst b/Misc/NEWS.d/next/Library/01.bpo-27850.kIVQ0m.rst new file mode 100644 index 000000000000..f21375d16d79 --- /dev/null +++ b/Misc/NEWS.d/next/Library/01.bpo-27850.kIVQ0m.rst @@ -0,0 +1,2 @@ +Remove 3DES from ssl module's default cipher list to counter measure sweet32 +attack (CVE-2016-2183). diff --git a/Misc/NEWS.d/next/Security/02.bpo-30730.ZF8XGV.rst b/Misc/NEWS.d/next/Security/02.bpo-30730.ZF8XGV.rst new file mode 100644 index 000000000000..2c764439a09b --- /dev/null +++ b/Misc/NEWS.d/next/Security/02.bpo-30730.ZF8XGV.rst @@ -0,0 +1,4 @@ +.. original section: Library + +Prevent environment variables injection in subprocess on Windows. Prevent +passing other invalid environment variables and command arguments. -- 2.47.2