From: Eli Bendersky <eliben@gmail.com>
Date: Fri, 6 Sep 2013 13:14:16 +0000 (-0700)
Subject: Issue #18849: Fixed a Windows-specific tempfile bug where collision with an
X-Git-Tag: v3.4.0a2~14
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=309836c5c8a7bf85c666ff913bf903b8f735cfa5;p=thirdparty%2FPython%2Fcpython.git

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.
---

309836c5c8a7bf85c666ff913bf903b8f735cfa5
diff --cc Misc/NEWS
index a506960b85b2,1c0f3b23b6a4..c69110f1f827
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@@ -177,509 -144,347 +177,513 @@@ Librar
  - Issue #8112: xlmrpc.server's DocXMLRPCServer server no longer raises an error
    if methods have annotations; it now correctly displays the annotations.
  
 -- Issue #17998: Fix an internal error in regular expression engine.
 +- Issue #18600: Added policy argument to email.message.Message.as_string,
 +  and as_bytes and __bytes__ methods to Message.
  
 -- 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 #18671: Output more information when logging exceptions occur.
  
 -- Issue #18599: Fix name attribute of _sha1.sha1() object. It now returns
 -  'SHA1' instead of 'SHA'.
 +- Issue #18621: Prevent the site module's patched builtins from keeping
 +  too many references alive for too long.
  
 -- Issue #18561: Skip name in ctypes' _build_callargs() if name is NULL.
 +- Issue #4885: Add weakref support to mmap objects.  Patch by Valerie Lambert.
  
 -- Issue #18559: Fix NULL pointer dereference error in _pickle module
 +- Issue #8860: Fixed rounding in timedelta constructor.
  
 -- Issue #18556: Check the return value of a PyUnicode_AsWideChar() call in
 -  ctypes' U_set().
++- 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 #18549: Eliminate dead code in socket_ntohl()
 +Tests
 +-----
  
 -- Issue #18514: Fix unreachable Py_DECREF() call in PyCData_FromBaseObj()
 +- Issue #12037: Fix test_email for desktop Windows.
  
 -- Issue #18513: Fix behaviour of cmath.rect w.r.t. signed zeros on OS X 10.8 +
 -  gcc.
 +- 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 #18480: Add missing call to PyType_Ready to the _elementtree extension.
 +- Issue #16799: Switched from getopt to argparse style in regrtest's argument
 +  parsing.  Added more tests for regrtest's argument parsing.
  
 -- Issue #17778: Fix test discovery for test_multiprocessing. (Patch by
 -  Zachary Ware.)
 +- 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.
  
 -- Issue #18431: The new email header parser now decodes RFC2047 encoded words
 -  in structured headers.
 +IDLE
 +----
  
 -- Issue #18432: The sched module's queue method was incorrectly returning
 -  an iterator instead of a list.
 +- Issue #18489: Add tests for SearchEngine. Original patch by Phil Webster.
  
 -- 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.
 +Documentation
 +-------------
  
 -- Issue #18101: Tcl.split() now process strings nested in a tuple as it
 -  do with byte strings.
 +- Issue #18743: Fix references to non-existant "StringIO" module.
  
 -- Issue #17198: Fix a NameError in the dbm module.  Patch by Valentina
 -  Mukhamedzhanova.
 +- Issue #18783: Removed existing mentions of Python long type in docstrings,
 +  error messages and comments.
  
 -- Issue #18013: Fix cgi.FieldStorage to parse the W3C sample form.
 +Build
 +-----
  
 -- Issue #18347: ElementTree's html serializer now preserves the case of
 -  closing tags.
 +- Issue #1584: Provide configure options to override default search paths for
 +  Tcl and Tk when building _tkinter.
  
 -- Issue #17261: Ensure multiprocessing's proxies use proper address.
 +- 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.
  
 -- 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.
 +Tools/Demos
 +-----------
  
 -- Issue #17097: Make multiprocessing ignore EINTR.
 +- Issue #18922: Now The Lib/smtpd.py and Tools/i18n/msgfmt.py scripts write
 +  their version strings to stdout, and not to sderr.
  
 -- Issue #18339: Negative ints keys in unpickler.memo dict no longer cause a
 -  segfault inside the _pickle C extension.
  
 -- Issue #18224: Removed pydoc script from created venv, as it causes problems
 -  on Windows and adds no value over and above python -m pydoc ...
 +What's New in Python 3.4.0 Alpha 1?
 +===================================
  
 -- 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.
 +Release date: 2013-08-03
  
 -- Issue #14360: encode_quopri can now be successfully used as an encoder
 -  when constructing a MIMEApplication object.
 +Core and Builtins
 +-----------------
  
 -- 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 #16741: Fix an error reporting in int().
  
 -- Issue #18248: Fix libffi build on AIX.
 +- Issue #17899: Fix rare file descriptor leak in os.listdir().
  
 -- Issue #18259: Declare sethostname in socketmodule.c for AIX
 +- Issue #10241: Clear extension module dict copies at interpreter shutdown.
 +  Patch by Neil Schemenauer, minimally modified.
  
 -- 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 #9035: ismount now recognises volumes mounted below a drive root
 +  on Windows. Original patch by Atsuo Ishimoto.
  
 -- 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 #18214: Improve finalization of Python modules to avoid setting
 +  their globals to None, in most cases.
  
 -- Issue #16102: Make uuid._netbios_getnode() work again on Python 3.
 +- Issue #18112: PEP 442 implementation (safe object finalization).
  
 -- 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 #18552: Check return value of PyArena_AddPyObject() in
 +  obj2ast_object().
  
 -- Issue #17403: urllib.parse.robotparser normalizes the urls before adding to
 -  ruleline. This helps in handling certain types invalid urls in a conservative
 -  manner.
 +- Issue #18560: Fix potential NULL pointer dereference in sum().
  
 -- Issue #18025: Fixed a segfault in io.BufferedIOBase.readinto() when raw
 -  stream's read() returns more bytes than requested.
 +- 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 #18011: base64.b32decode() now raises a binascii.Error if there are
 -  non-alphabet characters present in the input string to conform a docstring.
 -  Updated the module documentation.
 +- 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 #13772: Restored directory detection of targets in ``os.symlink`` on
 -  Windows, which was temporarily removed in Python 3.2.3 due to an incomplete
 -  implementation. The implementation now works even if the symlink is created
 -  in a location other than the current directory.
 +- Issue #18408: Fix many various bugs in code handling errors, especially
 +  on memory allocation failure (MemoryError).
  
 -- Issue #16986: ElementTree now correctly parses a string input not only when
 -  an internal XML encoding is UTF-8 or US-ASCII.
 +- Issue #18344: Fix potential ref-leaks in _bufferedreader_read_all().
  
 -- Issue #17812: Fixed quadratic complexity of base64.b32encode().
 +- Issue #18342: Use the repr of a module name when an import fails when using
 +  ``from ... import ...``.
  
 -- Issue #17980: Fix possible abuse of ssl.match_hostname() for denial of
 -  service using certificates with many wildcards (CVE-2013-2099).
 +- Issue #17872: Fix a segfault in marshal.load() when input stream returns
 +  more bytes than requested.
  
 -- Issue #17981: Closed socket on error in SysLogHandler.
 +- Issue #18338: `python --version` now prints version string to stdout, and
 +  not to stderr.  Patch by Berker Peksag and Michael Dickens.
  
 -- Fix typos in the multiprocessing module.
 +- Issue #18426: Fix NULL pointer dereference in C extension import when
 +  PyModule_GetDef() returns an error.
  
 -- Issue #17754: Make ctypes.util.find_library() independent of the locale.
 +- 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 #17968: Fix memory leak in os.listxattr().
 +- Issue #3329: Implement the PEP 445: Add new APIs to customize Python memory
 +  allocators.
  
 -- Issue #17269: Workaround for socket.getaddrinfo crash on MacOS X
 -  with port None or "0" and flags AI_NUMERICSERV.
 +- Issue #18328: Reorder ops in PyThreadState_Delete*() functions. Now the
 +  tstate is first removed from TLS and then deallocated.
  
 -- Issue #18698: Ensure imp.reload() returns the module out of sys.modules.
 +- Issue #13483: Use VirtualAlloc in obmalloc on Windows.
  
 -- 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 #18184: PyUnicode_FromFormat() and PyUnicode_FromFormatV() now raise
 +  OverflowError when an argument of %c format is out of range.
  
 -- Issue #18113: Fixed a refcount leak in the curses.panel module's
 -  set_userptr() method.  Reported by Atsuo Ishimoto.
 +- 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 #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 #18137: Detect integer overflow on precision in float.__format__()
 +  and complex.__format__().
  
 -C API
 ------
 +- Issue #18183: Fix various unicode operations on strings with large unicode
 +  codepoints.
  
 -- Issue #18351: Fix various issues with a helper function in importlib used
 -  by PyImport_ExecCodeModuleWithPathnames() (and thus by extension PyImport_ExecCodeModule() and PyImport_ExecCodeModuleEx()).
 +- Issue #18180: Fix ref leak in _PyImport_GetDynLoadWindows().
  
 -IDLE
 -----
 +- Issue #18038: SyntaxError raised during compilation sources with illegal
 +  encoding now always contains an encoding name.
  
 -- Issue #18489: Add tests for SearchEngine. Original patch by Phil Webster.
 +- Issue #17931: Resolve confusion on Windows between pids and process
 +  handles.
  
 -- 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.
 +- Tweak the exception message when the magic number or size value in a bytecode
 +  file is truncated.
  
 -- Issue #18226: Add docstrings and unittests for FormatParagraph.py.
 -  Original patches by Todd Rovito and Phil Webster.
 +- 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 #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 #18065: Don't set __path__ to the package name for frozen packages.
  
 -- Issue #7136: In the Idle File menu, "New Window" is renamed "New File".
 -  Patch by Tal Einat, Roget Serwy, and Todd Rovito.
 +- Issue #18088: When reloading a module, unconditionally reset all relevant
 +  attributes on the module (e.g. __name__, __loader__, __package__, __file__,
 +  __cached__).
  
 -- Remove dead imports of imp.
 +- Issue #17937: Try harder to collect cyclic garbage at shutdown.
  
 -- Issue #18196: Avoid displaying spurious SystemExit tracebacks.
 +- Issue #12370: Prevent class bodies from interfering with the __class__
 +  closure.
  
 -- Issue #5492: Avoid traceback when exiting IDLE caused by a race condition.
 +- Issue #17644: Fix a crash in str.format when curly braces are used in square
 +  brackets.
  
 -- Issue #17511: Keep IDLE find dialog open after clicking "Find Next".
 -  Original patch by Sarah K.
 +- Issue #17237: Fix crash in the ASCII decoder on m68k.
  
 -- Issue #18055: Move IDLE off of imp and on to importlib.
 +- Issue #17927: Frame objects kept arguments alive if they had been
 +  copied into a cell, even if the cell was cleared.
  
 -- 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 #1545463: At shutdown, defer finalization of codec modules so
 +  that stderr remains usable.
  
 -- Issue #14146: Highlight source line while debugging on Windows.
 +- Issue #7330: Implement width and precision (ex: "%5.3s") for the format
 +  string of PyUnicode_FromFormat() function, original patch written by Ysj Ray.
  
 -- Issue #17532: Always include Options menu for IDLE on OS X.
 -  Patch by Guilherme Simões.
 +- Issue #1545463: Global variables caught in reference cycles are now
 +  garbage-collected at shutdown.
  
 -Tests
 ------
 +- 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 #12037: Fix test_email for desktop Windows.
 +- Issue #17408: Avoid using an obsolete instance of the copyreg module when
 +  the interpreter is shutdown and then started again.
  
 -- 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 #5845: Enable tab-completion in the interactive interpreter by
 +  default, thanks to a new sys.__interactivehook__.
  
 -- 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.
 +- Issue #17115,17116: Module initialization now includes setting __package__ and
 +  __loader__ attributes to None.
  
 -- Issue #1666318: Add a test that shutil.copytree() retains directory
 -  permissions.  Patch by Catherine Devlin.
 +- Issue #17853: Ensure locals of a class that shadow free variables always win
 +  over the closures.
  
 -- Issue #18357: add tests for dictview set difference.
 -  Patch by Fraser Tweedale.
 +- Issue #17863: In the interactive console, don't loop forever if the encoding
 +  can't be fetched from stdin.
  
 -- 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.
 +- Issue #17867: Raise an ImportError if __import__ is not found in __builtins__.
  
 -- Fix a fcntl test case on KFreeBSD, Debian #708653 (Petr Salinger).
 +- Issue #18698: Ensure importlib.reload() returns the module out of sys.modules.
  
 -- Issue #18396: Fix spurious test failure in test_signal on Windows when
 -  faulthandler is enabled (Patch by Jeremy Kloth)
 +- 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 #17046: Fix broken test_executable_without_cwd in test_subprocess.
 +- 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 #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 #17782: Fix undefined behaviour on platforms where
 +  ``struct timespec``'s "tv_nsec" member is not a C long.
  
 -- Issue #15494: test.support is now a package rather than a module (Initial
 -  patch by Indra Talip)
 +- Issue #17722: When looking up __round__, resolve descriptors.
  
 -- 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 #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.
 +
 +Library
 +-------
 +
 +- 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 manager 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.  It also leaked an open file
 +  when it did so.  Both 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 #18266: test_largefile now works with unittest test discovery and
 -  supports running only selected tests.  Patch by Zachary Ware.
 +- Issue #11016: Add C implementation of the stat module as _stat.
  
 -- Issue #17767: test_locale now works with unittest test discovery.
 -  Original patch by Zachary Ware.
 +- Issue #18248: Fix libffi build on AIX.
  
 -- Issue #18375: Assume --randomize when --randseed is used for running the
 -  testsuite.
 +- Issue #18259: Declare sethostname in socketmodule.c for AIX
  
 -- Issue #11185: Fix test_wait4 under AIX.  Patch by Sébastien Sablé.
 +- 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 #17691: test_univnewlines now works with unittest test discovery.
 -  Patch by Zachary Ware.
 +- 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 #18094: test_uuid no more reports skipped tests as passed.
 +- Issue #18076: Introduce importlib.util.decode_source().
 +- Issue #18357: add tests for dictview set difference.
 +  Patch by Fraser Tweedale.
  
 -- Issue #11995: test_pydoc doesn't import all sys.path modules anymore.
  
 -Documentation
 --------------
 +- importlib.abc.SourceLoader.get_source() no longer changes SyntaxError or
 +  UnicodeDecodeError into ImportError.
  
 -- Issue #18743: Fix references to non-existant "StringIO" module.
 +- Issue #18058, 18057: Make the namespace package loader meet the
 +  importlib.abc.InspectLoader ABC, allowing for namespace packages to work with
 +  runpy.
  
 -- Issue #18783: Removed existing mentions of Python long type in docstrings,
 -  error messages and comments.
 +- Issue #17177: The imp module is pending deprecation.
  
 -- Issue #17701: Improving strftime documentation.
 +- 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 #18440: Clarify that `hash()` can truncate the value returned from an
 -  object's custom `__hash__()` method.
 +- Issue #18194: Introduce importlib.util.cache_from_source() and
 +  source_from_cache() while documenting the equivalent functions in imp as
 +  deprecated.
  
 -- Issue #17953: Mention that you shouldn't replace sys.modules and deleting key
 -  items will cause Python to not be happy.
 +- Issue #17907: Document imp.new_module() as deprecated in favour of
 +  types.ModuleType.
  
 -- Issue #17844: Add links to encoders and decoders for bytes-to-bytes codecs.
 +- Issue #18192: Introduce importlib.util.MAGIC_NUMBER and document as deprecated
 +  imp.get_magic().
  
 -- Issue #14097: improve the "introduction" page of the tutorial.
 +- Issue #18149: Add filecmp.clear_cache() to manually clear the filecmp cache.
 +  Patch by Mark Levitt
  
 -- Issue #17977: The documentation for the cadefault argument's default value
 -  in urllib.request.urlopen() is fixed to match the code.
 +- Issue #18193: Add importlib.reload().
  
 -Tools/Demos
 ------------
 +- Issue #18157: Stop using imp.load_module() in pydoc.
  
 -- Issue #18817: Fix a resource warning in Lib/aifc.py demo.
 +- Issue #16102: Make uuid._netbios_getnode() work again on Python 3.
  
 -- Issue #18439: Make patchcheck work on Windows for ACKS, NEWS.
 +- Issue #17134: Add ssl.enum_cert_store() as interface to Windows' cert store.
  
 -- Issue #18448: Fix a typo in Tools/demo/eiffel.py.
 +- Issue #18143: Implement ssl.get_default_verify_paths() in order to debug
 +  the default locations for cafile and capath.
  
 -- Issue #18457: Fixed saving of formulas and complex numbers in
 -  Tools/demo/ss1.py.
 +- Issue #17314: Move multiprocessing.forking over to importlib.
  
 -- Issue #18449: Make Tools/demo/ss1.py work again on Python 3.  Patch by
 -  Févry Thibault.
 +- Issue #11959: SMTPServer and SMTPChannel now take an optional map, use of
 +  which avoids affecting global state.
  
 -- Issue #15239: Make mkstringprep.py work again on Python 3.
 +- 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 #12990: The "Python Launcher" on OSX could not launch python scripts
 -  that have paths that include wide characters.
 +- Issue #18089: Implement importlib.abc.InspectLoader.load_module.
  
 -Build
 ------
 +- 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 #16067: Add description into MSI file to replace installer's temporary name.
 +- 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 #18256: Compilation fix for recent AIX releases.  Patch by
 -  David Edelsohn.
 +- Issue #18070: Have importlib.util.module_for_loader() set attributes
 +  unconditionally in order to properly support reloading.
  
 -- Issue #15172: Document NASM 2.10+ as requirement for building OpenSSL 1.0.1
 -  on Windows.
 +- Added importlib.util.module_to_load to return a context manager to provide the
 +  proper module object to load.
  
 -What's New in Python 3.3.2?
 -===========================
 +- Issue #18025: Fixed a segfault in io.BufferedIOBase.readinto() when raw
 +  stream's read() returns more bytes than requested.
  
 -*Release date: 13-May-2013*
 +- Issue #18011: base64.b32decode() now raises a binascii.Error if there are
 +  non-alphabet characters present in the input string to conform a docstring.
 +  Updated the module documentation.
  
 -Core and Builtins
 ------------------
 +- Issue #18072: Implement importlib.abc.InspectLoader.get_code() and
 +  importlib.abc.ExecutionLoader.get_code().
  
 -- Issue #17237: Fix crash in the ASCII decoder on m68k.
 +- Issue #8240: Set the SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER flag on SSL
 +  sockets.
  
 -- Issue #17408: Avoid using an obsolete instance of the copyreg module when
 -  the interpreter is shutdown and then started again.
 +- Issue #17269: Workaround for socket.getaddrinfo crash on MacOS X
 +  with port None or "0" and flags AI_NUMERICSERV.
  
 -- Issue #17863: In the interactive console, don't loop forever if the encoding
 -  can't be fetched from stdin.
 +- Issue #16986: ElementTree now correctly parses a string input not only when
 +  an internal XML encoding is UTF-8 or US-ASCII.
  
 -- Issue #17867: Raise an ImportError if __import__ is not found in __builtins__.
 +- Issue #17996: socket module now exposes AF_LINK constant on BSD and OSX.
  
 -- 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 #17900: Allowed pickling of recursive OrderedDicts.  Decreased pickled
 +  size and pickling time.
  
 -- 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 #17914: Add os.cpu_count(). Patch by Yogesh Chaudhari, based on an
 +  initial patch by Trent Nelson.
  
 -- Issue #17782: Fix undefined behaviour on platforms where
 -  ``struct timespec``'s "tv_nsec" member is not a C long.
 +- Issue #17812: Fixed quadratic complexity of base64.b32encode().
 +  Optimize base64.b32encode() and base64.b32decode() (speed up to 3x).
  
 -- Issue #17715: Fix segmentation fault from raising an exception in a __trunc__
 -  method.
 +- Issue #17980: Fix possible abuse of ssl.match_hostname() for denial of
 +  service using certificates with many wildcards (CVE-2013-2099).
  
 -- Issue #16447: Fixed potential segmentation fault when setting __name__ on a
 -  class.
 +- Issue #15758: Fix FileIO.readall() so it no longer has O(n**2) complexity.
  
 -- Issue #17669: Fix crash involving finalization of generators using yield from.
 +- Issue #14596: The struct.Struct() objects now use more compact implementation.
  
 -- Issue #17619: Make input() check for Ctrl-C correctly on Windows.
 +- Issue #17981: Closed socket on error in SysLogHandler.
  
 -- Issue #17610: Don't rely on non-standard behavior of the C qsort() function.
 +- Issue #17964: Fix os.sysconf(): the return type of the C sysconf() function
 +  is long, not int.
 +
 +- Fix typos in the multiprocessing module.
  
 -- Issue #17357: Add missing verbosity output when using -v/-vv.
 +- Issue #17754: Make ctypes.util.find_library() independent of the locale.
  
 -Library
 --------
 +- 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