--- /dev/null
+.. bpo: 31558
+.. date: 2017-10-16-14-27-25
+.. nonce: K-uRRm
+.. release date: 2017-10-16
+.. section: Core and Builtins
+
+``gc.freeze()`` is a new API that allows for moving all objects currently
+tracked by the garbage collector to a permanent generation, effectively
+removing them from future collection events. This can be used to protect
+those objects from having their PyGC_Head mutated. In effect, this enables
+great copy-on-write stability at fork().
+
+..
+
+.. bpo: 31642
+.. date: 2017-10-08-10-00-55
+.. nonce: 1IKqgs
+.. section: Core and Builtins
+
+Restored blocking "from package import module" by setting
+sys.modules["package.module"] to None.
+
+..
+
+.. bpo: 31708
+.. date: 2017-10-06-02-10-48
+.. nonce: 66CCVU
+.. section: Core and Builtins
+
+Allow use of asynchronous generator expressions in synchronous functions.
+
+..
+
+.. bpo: 31709
+.. date: 2017-10-06-00-27-04
+.. nonce: _PmU51
+.. section: Core and Builtins
+
+Drop support of asynchronous __aiter__.
+
+..
+
+.. bpo: 30404
+.. date: 2017-10-03-23-46-39
+.. nonce: _9Yi5u
+.. section: Core and Builtins
+
+The -u option now makes the stdout and stderr streams unbuffered rather than
+line-buffered.
+
+..
+
+.. bpo: 31619
+.. date: 2017-09-29-20-32-24
+.. nonce: 6gQ1kv
+.. section: Core and Builtins
+
+Fixed a ValueError when convert a string with large number of underscores to
+integer with binary base.
+
+..
+
+.. bpo: 31602
+.. date: 2017-09-27-09-30-03
+.. nonce: MtgLCn
+.. section: Core and Builtins
+
+Fix an assertion failure in `zipimporter.get_source()` in case of a bad
+`zlib.decompress()`. Patch by Oren Milman.
+
+..
+
+.. bpo: 31592
+.. date: 2017-09-26-16-05-04
+.. nonce: IFBZj9
+.. section: Core and Builtins
+
+Fixed an assertion failure in Python parser in case of a bad
+`unicodedata.normalize()`. Patch by Oren Milman.
+
+..
+
+.. bpo: 31588
+.. date: 2017-09-26-13-03-16
+.. nonce: wT9Iy7
+.. section: Core and Builtins
+
+Raise a `TypeError` with a helpful error message when class creation fails
+due to a metaclass with a bad ``__prepare__()`` method. Patch by Oren
+Milman.
+
+..
+
+.. bpo: 31574
+.. date: 2017-09-25-12-35-48
+.. nonce: 5yX5r5
+.. section: Core and Builtins
+
+Importlib was instrumented with two dtrace probes to profile import timing.
+
+..
+
+.. bpo: 31566
+.. date: 2017-09-24-09-57-04
+.. nonce: OxwINs
+.. section: Core and Builtins
+
+Fix an assertion failure in `_warnings.warn()` in case of a bad ``__name__``
+global. Patch by Oren Milman.
+
+..
+
+.. bpo: 31506
+.. date: 2017-09-19-10-29-36
+.. nonce: pRVTRB
+.. section: Core and Builtins
+
+Improved the error message logic for object.__new__ and object.__init__.
+
+..
+
+.. bpo: 31505
+.. date: 2017-09-18-12-07-39
+.. nonce: VomaFa
+.. section: Core and Builtins
+
+Fix an assertion failure in `json`, in case `_json.make_encoder()` received
+a bad `encoder()` argument. Patch by Oren Milman.
+
+..
+
+.. bpo: 31492
+.. date: 2017-09-16-22-49-16
+.. nonce: RtyteL
+.. section: Core and Builtins
+
+Fix assertion failures in case of failing to import from a module with a bad
+``__name__`` attribute, and in case of failing to access an attribute of
+such a module. Patch by Oren Milman.
+
+..
+
+.. bpo: 31478
+.. date: 2017-09-15-09-13-07
+.. nonce: o06iKD
+.. section: Core and Builtins
+
+Fix an assertion failure in `_random.Random.seed()` in case the argument has
+a bad ``__abs__()`` method. Patch by Oren Milman.
+
+..
+
+.. bpo: 31336
+.. date: 2017-09-13-12-04-23
+.. nonce: gi2ahY
+.. section: Core and Builtins
+
+Speed up class creation by 10-20% by reducing the overhead in the necessary
+special method lookups. Patch by Stefan Behnel.
+
+..
+
+.. bpo: 31415
+.. date: 2017-09-11-14-28-56
+.. nonce: GBdz7o
+.. section: Core and Builtins
+
+Add ``-X importtime`` option to show how long each import takes. It can be
+used to optimize application's startup time.
+
+..
+
+.. bpo: 31410
+.. date: 2017-09-10-20-58-51
+.. nonce: wD_RbH
+.. section: Core and Builtins
+
+Optimized calling wrapper and classmethod descriptors.
+
+..
+
+.. bpo: 31353
+.. date: 2017-09-05-14-19-02
+.. nonce: oGZUeJ
+.. section: Core and Builtins
+
+:pep:`553` - Add a new built-in called ``breakpoint()`` which calls
+``sys.breakpointhook()``. By default this imports ``pdb`` and calls
+``pdb.set_trace()``, but users may override ``sys.breakpointhook()`` to call
+whatever debugger they want. The original value of the hook is saved in
+``sys.__breakpointhook__``.
+
+..
+
+.. bpo: 17852
+.. date: 2017-09-04-12-46-25
+.. nonce: OxAtCg
+.. section: Core and Builtins
+
+Maintain a list of open buffered files, flush them before exiting the
+interpreter. Based on a patch from Armin Rigo.
+
+..
+
+.. bpo: 31315
+.. date: 2017-09-01-00-40-58
+.. nonce: ZX20bl
+.. section: Core and Builtins
+
+Fix an assertion failure in imp.create_dynamic(), when spec.name is not a
+string. Patch by Oren Milman.
+
+..
+
+.. bpo: 31311
+.. date: 2017-08-31-17-52-56
+.. nonce: bNE2l-
+.. section: Core and Builtins
+
+Fix a crash in the ``__setstate__()`` method of `ctypes._CData`, in case of
+a bad ``__dict__``. Patch by Oren Milman.
+
+..
+
+.. bpo: 31293
+.. date: 2017-08-28-17-51-42
+.. nonce: eMYZXj
+.. section: Core and Builtins
+
+Fix crashes in true division and multiplication of a timedelta object by a
+float with a bad as_integer_ratio() method. Patch by Oren Milman.
+
+..
+
+.. bpo: 31285
+.. date: 2017-08-27-21-18-30
+.. nonce: 7lzaKV
+.. section: Core and Builtins
+
+Fix an assertion failure in `warnings.warn_explicit`, when the return value
+of the received loader's get_source() has a bad splitlines() method. Patch
+by Oren Milman.
+
+..
+
+.. bpo: 30406
+.. date: 2017-07-20-22-03-44
+.. nonce: _kr47t
+.. section: Core and Builtins
+
+Make ``async`` and ``await`` proper keywords, as specified in PEP 492.
+
+..
+
+.. bpo: 30058
+.. date: 2017-10-12-19-00-53
+.. nonce: cENtry
+.. section: Library
+
+Fixed buffer overflow in select.kqueue.control().
+
+..
+
+.. bpo: 31672
+.. date: 2017-10-12-02-47-16
+.. nonce: DaOkVd
+.. section: Library
+
+``idpattern`` in ``string.Template`` matched some non-ASCII characters. Now
+it uses ``-i`` regular expression local flag to avoid non-ASCII characters.
+
+..
+
+.. bpo: 31701
+.. date: 2017-10-09-17-42-30
+.. nonce: NRrVel
+.. section: Library
+
+On Windows, faulthandler.enable() now ignores MSC and COM exceptions.
+
+..
+
+.. bpo: 31728
+.. date: 2017-10-08-23-28-30
+.. nonce: XrVMME
+.. section: Library
+
+Prevent crashes in `_elementtree` due to unsafe cleanup of `Element.text`
+and `Element.tail`. Patch by Oren Milman.
+
+..
+
+.. bpo: 31671
+.. date: 2017-10-04-21-28-44
+.. nonce: E-zfc9
+.. section: Library
+
+Now ``re.compile()`` converts passed RegexFlag to normal int object before
+compiling. bm_regex_compile benchmark shows 14% performance improvements.
+
+..
+
+.. bpo: 30397
+.. date: 2017-10-03-22-45-50
+.. nonce: e4F7Kr
+.. section: Library
+
+The types of compiled regular objects and match objects are now exposed as
+`re.Pattern` and `re.Match`. This adds information in pydoc output for the
+re module.
+
+..
+
+.. bpo: 31675
+.. date: 2017-10-03-15-06-24
+.. nonce: Nh7jJ3
+.. section: Library
+
+Fixed memory leaks in Tkinter's methods splitlist() and split() when pass a
+string larger than 2 GiB.
+
+..
+
+.. bpo: 31673
+.. date: 2017-10-03-14-37-46
+.. nonce: RFCrka
+.. section: Library
+
+Fixed typo in the name of Tkinter's method adderrorinfo().
+
+..
+
+.. bpo: 31648
+.. date: 2017-09-30-10-45-12
+.. nonce: Cai7ji
+.. section: Library
+
+Improvements to path predicates in ElementTree:
+
+* Allow whitespace around predicate parts, i.e. "[a = 'text']" instead of requiring the less readable "[a='text']".
+* Add support for text comparison of the current node, like "[.='text']".
+
+Patch by Stefan Behnel.
+
+..
+
+.. bpo: 30806
+.. date: 2017-09-29
+.. nonce: lP5GrH
+.. section: Library
+
+Fix the string representation of a netrc object.
+
+..
+
+.. bpo: 31638
+.. date: 2017-09-29-07-14-28
+.. nonce: jElfhl
+.. section: Library
+
+Add optional argument ``compressed`` to ``zipapp.create_archive``, and add
+option ``--compress`` to the command line interface of ``zipapp``.
+
+..
+
+.. bpo: 25351
+.. date: 2017-09-28-23-10-51
+.. nonce: 2JmFpF
+.. section: Library
+
+Avoid venv activate failures with undefined variables
+
+..
+
+.. bpo: 20519
+.. date: 2017-09-28-13-17-33
+.. nonce: FteeQQ
+.. section: Library
+
+Avoid ctypes use (if possible) and improve import time for uuid.
+
+..
+
+.. bpo: 28293
+.. date: 2017-09-26-17-51-17
+.. nonce: UC5pm4
+.. section: Library
+
+The regular expression cache is no longer completely dumped when it is full.
+
+..
+
+.. bpo: 31596
+.. date: 2017-09-26-11-38-52
+.. nonce: 50Eyel
+.. section: Library
+
+Added pthread_getcpuclockid() to the time module
+
+..
+
+.. bpo: 27494
+.. date: 2017-09-26-01-43-17
+.. nonce: 37QnaT
+.. section: Library
+
+Make 2to3 accept a trailing comma in generator expressions. For example,
+``set(x for x in [],)`` is now allowed.
+
+..
+
+.. bpo: 30347
+.. date: 2017-09-25-14-04-30
+.. nonce: B4--_D
+.. section: Library
+
+Stop crashes when concurrently iterate over itertools.groupby() iterators.
+
+..
+
+.. bpo: 30346
+.. date: 2017-09-24-13-08-46
+.. nonce: Csse77
+.. section: Library
+
+An iterator produced by itertools.groupby() iterator now becames exhausted
+after advancing the groupby iterator.
+
+..
+
+.. bpo: 31556
+.. date: 2017-09-22-23-48-49
+.. nonce: 9J0u5H
+.. section: Library
+
+Cancel asyncio.wait_for future faster if timeout <= 0
+
+..
+
+.. bpo: 31540
+.. date: 2017-09-22-16-02-00
+.. nonce: ybDHT5
+.. section: Library
+
+Allow passing a context object in
+:class:`concurrent.futures.ProcessPoolExecutor` constructor. Also, free job
+ressources in :class:`concurrent.futures.ProcessPoolExecutor` earlier to
+improve memory usage when a worker waits for new jobs.
+
+..
+
+.. bpo: 31516
+.. date: 2017-09-20-18-43-01
+.. nonce: 23Yuq3
+.. section: Library
+
+``threading.current_thread()`` should not return a dummy thread at shutdown.
+
+..
+
+.. bpo: 31525
+.. date: 2017-09-19-18-48-21
+.. nonce: O2TIL2
+.. section: Library
+
+In the sqlite module, require the sqlite3_prepare_v2 API. Thus, the sqlite
+module now requires sqlite version at least 3.3.9.
+
+..
+
+.. bpo: 26510
+.. date: 2017-09-19-13-29-29
+.. nonce: oncW6V
+.. section: Library
+
+argparse subparsers are now required by default. This matches behaviour in
+Python 2. For optional subparsers, use the new parameter
+``add_subparsers(required=False)``. Patch by Anthony Sottile.
+
+..
+
+.. bpo: 27541
+.. date: 2017-09-17-19-59-04
+.. nonce: cIMFJW
+.. section: Library
+
+Reprs of subclasses of some collection and iterator classes (`bytearray`,
+`array.array`, `collections.deque`, `collections.defaultdict`,
+`itertools.count`, `itertools.repeat`) now contain actual type name insteads
+of hardcoded name of the base class.
+
+..
+
+.. bpo: 31351
+.. date: 2017-09-17-15-24-25
+.. nonce: yQdKv-
+.. section: Library
+
+python -m ensurepip now exits with non-zero exit code if pip bootstrapping
+has failed.
+
+..
+
+.. bpo: 31389
+.. date: 2017-09-07-15-31-47
+.. nonce: jNFYqB
+.. section: Library
+
+``pdb.set_trace()`` now takes an optional keyword-only argument ``header``.
+If given, this is printed to the console just before debugging begins.
+
+..
+
+.. bpo: 31537
+.. date: 2017-10-08-23-02-14
+.. nonce: SiFNM8
+.. section: Documentation
+
+Fix incorrect usage of ``get_history_length`` in readline documentation
+example code. Patch by Brad Smith.
+
+..
+
+.. bpo: 30085
+.. date: 2017-09-14-18-44-50
+.. nonce: 0J9w-u
+.. section: Documentation
+
+The operator functions without double underscores are preferred for clarity.
+The one with underscores are only kept for back-compatibility.
+
+..
+
+.. bpo: 31696
+.. date: 2017-10-04-23-40-32
+.. nonce: Y3_aBV
+.. section: Build
+
+Improve compiler version information in :data:`sys.version` when Python is
+built with Clang.
+
+..
+
+.. bpo: 31625
+.. date: 2017-09-28-23-21-20
+.. nonce: Bb2NXr
+.. section: Build
+
+Stop using ranlib on static libraries. Instead, we assume ar supports the
+'s' flag.
+
+..
+
+.. bpo: 31624
+.. date: 2017-09-28-20-54-52
+.. nonce: 11w91_
+.. section: Build
+
+Remove support for BSD/OS.
+
+..
+
+.. bpo: 22140
+.. date: 2017-09-26-22-39-58
+.. nonce: ZRf7Wn
+.. section: Build
+
+Prevent double substitution of prefix in python-config.sh.
+
+..
+
+.. bpo: 31569
+.. date: 2017-09-25-00-25-23
+.. nonce: TS49pM
+.. section: Build
+
+Correct PCBuild/ case to PCbuild/ in build scripts and documentation.
+
+..
+
+.. bpo: 31536
+.. date: 2017-09-20-21-32-21
+.. nonce: KUDjno
+.. section: Build
+
+Avoid wholesale rebuild after `make regen-all` if nothing changed.
+
+..
+
+.. bpo: 31460
+.. date: 2017-09-30-19-03-26
+.. nonce: HpveI6
+.. section: IDLE
+
+Simplify the API of IDLE's Module Browser.
+
+Passing a widget instead of an flist with a root widget opens the option of
+creating a browser frame that is only part of a window. Passing a full file
+name instead of pieces assumed to come from a .py file opens the possibility
+of browsing python files that do not end in .py.
+
+..
+
+.. bpo: 31649
+.. date: 2017-09-30-13-59-18
+.. nonce: LxN4Vb
+.. section: IDLE
+
+IDLE - Make _htest, _utest parameters keyword only.
+
+..
+
+.. bpo: 31559
+.. date: 2017-09-23-12-52-24
+.. nonce: ydckYX
+.. section: IDLE
+
+Remove test order dependence in idle_test.test_browser.
+
+..
+
+.. bpo: 31459
+.. date: 2017-09-22-20-26-23
+.. nonce: L0pnH9
+.. section: IDLE
+
+Rename IDLE's module browser from Class Browser to Module Browser. The
+original module-level class and method browser became a module browser, with
+the addition of module-level functions, years ago. Nested classes and
+functions were added yesterday. For back- compatibility, the virtual event
+<<open-class-browser>>, which appears on the Keys tab of the Settings
+dialog, is not changed. Patch by Cheryl Sabella.
+
+..
+
+.. bpo: 31500
+.. date: 2017-09-18-10-43-03
+.. nonce: Y_YDxA
+.. section: IDLE
+
+Default fonts now are scaled on HiDPI displays.
+
+..
+
+.. bpo: 1612262
+.. date: 2017-08-14-15-13-50
+.. nonce: -x_Oyq
+.. section: IDLE
+
+IDLE module browser now shows nested classes and functions. Original patches
+for code and tests by Guilherme Polo and Cheryl Sabella, respectively.
+
+..
+
+.. bpo: 28280
+.. date: 2017-09-30-19-41-44
+.. nonce: K_EjpO
+.. section: C API
+
+Make `PyMapping_Keys()`, `PyMapping_Values()` and `PyMapping_Items()` always
+return a `list` (rather than a `list` or a `tuple`). Patch by Oren Milman.
+
+..
+
+.. bpo: 31532
+.. date: 2017-09-20-21-59-52
+.. nonce: s9Cw9_
+.. section: C API
+
+Fix memory corruption due to allocator mix in getpath.c between Py_GetPath()
+and Py_SetPath()
+
+..
+
+.. bpo: 25658
+.. date: 2017-06-24-14-30-44
+.. nonce: vm8vGE
+.. section: C API
+
+Implement PEP 539 for Thread Specific Stroage (TSS) API: it is a new Thread
+Local Storage (TLS) API to CPython which would supersede use of the existing
+TLS API within the CPython interpreter, while deprecating the existing API.
+PEP written by Erik M. Bray, patch by Masayuki Yamamoto.
projects / thirdparty / Python / cpython.git / commitdiff
