# -*- coding: utf-8 -*-
-# Autogenerated by Sphinx on Wed Dec 18 22:05:39 2019
+# Autogenerated by Sphinx on Fri Jan 24 22:03:37 2020
topics = {'assert': 'The "assert" statement\n'
'**********************\n'
'\n'
'The following code:\n'
'\n'
' async for TARGET in ITER:\n'
- ' BLOCK\n'
+ ' SUITE\n'
' else:\n'
- ' BLOCK2\n'
+ ' SUITE2\n'
'\n'
'Is semantically equivalent to:\n'
'\n'
' iter = (ITER)\n'
' iter = type(iter).__aiter__(iter)\n'
' running = True\n'
+ '\n'
' while running:\n'
' try:\n'
' TARGET = await type(iter).__anext__(iter)\n'
' except StopAsyncIteration:\n'
' running = False\n'
' else:\n'
- ' BLOCK\n'
+ ' SUITE\n'
' else:\n'
- ' BLOCK2\n'
+ ' SUITE2\n'
'\n'
'See also "__aiter__()" and "__anext__()" for details.\n'
'\n'
'\n'
'The following code:\n'
'\n'
- ' async with EXPR as VAR:\n'
- ' BLOCK\n'
+ ' async with EXPRESSION as TARGET:\n'
+ ' SUITE\n'
'\n'
- 'Is semantically equivalent to:\n'
+ 'is semantically equivalent to:\n'
'\n'
- ' mgr = (EXPR)\n'
- ' aexit = type(mgr).__aexit__\n'
- ' aenter = type(mgr).__aenter__(mgr)\n'
+ ' manager = (EXPRESSION)\n'
+ ' aenter = type(manager).__aenter__\n'
+ ' aexit = type(manager).__aexit__\n'
+ ' value = await aenter(manager)\n'
+ ' hit_except = False\n'
'\n'
- ' VAR = await aenter\n'
' try:\n'
- ' BLOCK\n'
+ ' TARGET = value\n'
+ ' SUITE\n'
' except:\n'
- ' if not await aexit(mgr, *sys.exc_info()):\n'
+ ' hit_except = True\n'
+ ' if not await aexit(manager, *sys.exc_info()):\n'
' raise\n'
- ' else:\n'
- ' await aexit(mgr, None, None, None)\n'
+ ' finally:\n'
+ ' if not hit_except:\n'
+ ' await aexit(manager, None, None, None)\n'
'\n'
'See also "__aenter__()" and "__aexit__()" for details.\n'
'\n'
'"with_item")\n'
' is evaluated to obtain a context manager.\n'
'\n'
- '2. The context manager’s "__exit__()" is loaded for later use.\n'
+ '2. The context manager’s "__enter__()" is loaded for later use.\n'
'\n'
- '3. The context manager’s "__enter__()" method is invoked.\n'
+ '3. The context manager’s "__exit__()" is loaded for later use.\n'
'\n'
- '4. If a target was included in the "with" statement, the return\n'
+ '4. The context manager’s "__enter__()" method is invoked.\n'
+ '\n'
+ '5. If a target was included in the "with" statement, the return\n'
' value from "__enter__()" is assigned to it.\n'
'\n'
' Note: The "with" statement guarantees that if the '
'occurring\n'
' within the suite would be. See step 6 below.\n'
'\n'
- '5. The suite is executed.\n'
+ '6. The suite is executed.\n'
'\n'
- '6. The context manager’s "__exit__()" method is invoked. If an\n'
+ '7. The context manager’s "__exit__()" method is invoked. If an\n'
' exception caused the suite to be exited, its type, value, '
'and\n'
' traceback are passed as arguments to "__exit__()". Otherwise, '
'proceeds\n'
' at the normal location for the kind of exit that was taken.\n'
'\n'
+ 'The following code:\n'
+ '\n'
+ ' with EXPRESSION as TARGET:\n'
+ ' SUITE\n'
+ '\n'
+ 'is semantically equivalent to:\n'
+ '\n'
+ ' manager = (EXPRESSION)\n'
+ ' enter = type(manager).__enter__\n'
+ ' exit = type(manager).__exit__\n'
+ ' value = enter(manager)\n'
+ ' hit_except = False\n'
+ '\n'
+ ' try:\n'
+ ' TARGET = value\n'
+ ' SUITE\n'
+ ' except:\n'
+ ' hit_except = True\n'
+ ' if not exit(manager, *sys.exc_info()):\n'
+ ' raise\n'
+ ' finally:\n'
+ ' if not hit_except:\n'
+ ' exit(manager, None, None, None)\n'
+ '\n'
'With more than one item, the context managers are processed as '
'if\n'
'multiple "with" statements were nested:\n'
'\n'
' with A() as a, B() as b:\n'
- ' suite\n'
+ ' SUITE\n'
'\n'
- 'is equivalent to\n'
+ 'is semantically equivalent to:\n'
'\n'
' with A() as a:\n'
' with B() as b:\n'
- ' suite\n'
+ ' SUITE\n'
'\n'
'Changed in version 3.1: Support for multiple context '
'expressions.\n'
'The following code:\n'
'\n'
' async for TARGET in ITER:\n'
- ' BLOCK\n'
+ ' SUITE\n'
' else:\n'
- ' BLOCK2\n'
+ ' SUITE2\n'
'\n'
'Is semantically equivalent to:\n'
'\n'
' iter = (ITER)\n'
' iter = type(iter).__aiter__(iter)\n'
' running = True\n'
+ '\n'
' while running:\n'
' try:\n'
' TARGET = await type(iter).__anext__(iter)\n'
' except StopAsyncIteration:\n'
' running = False\n'
' else:\n'
- ' BLOCK\n'
+ ' SUITE\n'
' else:\n'
- ' BLOCK2\n'
+ ' SUITE2\n'
'\n'
'See also "__aiter__()" and "__anext__()" for details.\n'
'\n'
'\n'
'The following code:\n'
'\n'
- ' async with EXPR as VAR:\n'
- ' BLOCK\n'
+ ' async with EXPRESSION as TARGET:\n'
+ ' SUITE\n'
'\n'
- 'Is semantically equivalent to:\n'
+ 'is semantically equivalent to:\n'
'\n'
- ' mgr = (EXPR)\n'
- ' aexit = type(mgr).__aexit__\n'
- ' aenter = type(mgr).__aenter__(mgr)\n'
+ ' manager = (EXPRESSION)\n'
+ ' aenter = type(manager).__aenter__\n'
+ ' aexit = type(manager).__aexit__\n'
+ ' value = await aenter(manager)\n'
+ ' hit_except = False\n'
'\n'
- ' VAR = await aenter\n'
' try:\n'
- ' BLOCK\n'
+ ' TARGET = value\n'
+ ' SUITE\n'
' except:\n'
- ' if not await aexit(mgr, *sys.exc_info()):\n'
+ ' hit_except = True\n'
+ ' if not await aexit(manager, *sys.exc_info()):\n'
' raise\n'
- ' else:\n'
- ' await aexit(mgr, None, None, None)\n'
+ ' finally:\n'
+ ' if not hit_except:\n'
+ ' await aexit(manager, None, None, None)\n'
'\n'
'See also "__aenter__()" and "__aexit__()" for details.\n'
'\n'
'object.__rfloordiv__(self, other)\n'
'object.__rmod__(self, other)\n'
'object.__rdivmod__(self, other)\n'
- 'object.__rpow__(self, other)\n'
+ 'object.__rpow__(self, other[, modulo])\n'
'object.__rlshift__(self, other)\n'
'object.__rrshift__(self, other)\n'
'object.__rand__(self, other)\n'
'object.__rfloordiv__(self, other)\n'
'object.__rmod__(self, other)\n'
'object.__rdivmod__(self, other)\n'
- 'object.__rpow__(self, other)\n'
+ 'object.__rpow__(self, other[, modulo])\n'
'object.__rlshift__(self, other)\n'
'object.__rrshift__(self, other)\n'
'object.__rand__(self, other)\n'
'best\n'
' performances, but only used at the first encoding '
'error. Enable the\n'
- ' development mode ("-X" "dev" option), or use a debug '
- 'build, to\n'
- ' check *errors*.\n'
+ ' Python Development Mode, or use a debug build to check '
+ '*errors*.\n'
'\n'
' Changed in version 3.1: Support for keyword arguments '
'added.\n'
'dictionary. This\n'
' is a shortcut for "reversed(d.keys())".\n'
'\n'
+ ' New in version 3.8.\n'
+ '\n'
' setdefault(key[, default])\n'
'\n'
' If *key* is in the dictionary, return its value. If '
'1. The context expression (the expression given in the "with_item")\n'
' is evaluated to obtain a context manager.\n'
'\n'
- '2. The context manager’s "__exit__()" is loaded for later use.\n'
+ '2. The context manager’s "__enter__()" is loaded for later use.\n'
'\n'
- '3. The context manager’s "__enter__()" method is invoked.\n'
+ '3. The context manager’s "__exit__()" is loaded for later use.\n'
'\n'
- '4. If a target was included in the "with" statement, the return\n'
+ '4. The context manager’s "__enter__()" method is invoked.\n'
+ '\n'
+ '5. If a target was included in the "with" statement, the return\n'
' value from "__enter__()" is assigned to it.\n'
'\n'
' Note: The "with" statement guarantees that if the "__enter__()"\n'
' target list, it will be treated the same as an error occurring\n'
' within the suite would be. See step 6 below.\n'
'\n'
- '5. The suite is executed.\n'
+ '6. The suite is executed.\n'
'\n'
- '6. The context manager’s "__exit__()" method is invoked. If an\n'
+ '7. The context manager’s "__exit__()" method is invoked. If an\n'
' exception caused the suite to be exited, its type, value, and\n'
' traceback are passed as arguments to "__exit__()". Otherwise, '
'three\n'
'proceeds\n'
' at the normal location for the kind of exit that was taken.\n'
'\n'
+ 'The following code:\n'
+ '\n'
+ ' with EXPRESSION as TARGET:\n'
+ ' SUITE\n'
+ '\n'
+ 'is semantically equivalent to:\n'
+ '\n'
+ ' manager = (EXPRESSION)\n'
+ ' enter = type(manager).__enter__\n'
+ ' exit = type(manager).__exit__\n'
+ ' value = enter(manager)\n'
+ ' hit_except = False\n'
+ '\n'
+ ' try:\n'
+ ' TARGET = value\n'
+ ' SUITE\n'
+ ' except:\n'
+ ' hit_except = True\n'
+ ' if not exit(manager, *sys.exc_info()):\n'
+ ' raise\n'
+ ' finally:\n'
+ ' if not hit_except:\n'
+ ' exit(manager, None, None, None)\n'
+ '\n'
'With more than one item, the context managers are processed as if\n'
'multiple "with" statements were nested:\n'
'\n'
' with A() as a, B() as b:\n'
- ' suite\n'
+ ' SUITE\n'
'\n'
- 'is equivalent to\n'
+ 'is semantically equivalent to:\n'
'\n'
' with A() as a:\n'
' with B() as b:\n'
- ' suite\n'
+ ' SUITE\n'
'\n'
'Changed in version 3.1: Support for multiple context expressions.\n'
'\n'
--- /dev/null
+.. bpo: 39427
+.. date: 2020-01-22-22-28-04
+.. nonce: LiO-Eo
+.. release date: 2020-01-24
+.. section: Core and Builtins
+
+Document all possibilities for the ``-X`` options in the command line help
+section. Patch by Pablo Galindo.
+
+..
+
+.. bpo: 39421
+.. date: 2020-01-22-15-53-37
+.. nonce: O3nG7u
+.. section: Core and Builtins
+
+Fix possible crashes when operating with the functions in the :mod:`heapq`
+module and custom comparison operators.
+
+..
+
+.. bpo: 39386
+.. date: 2020-01-20-21-40-57
+.. nonce: ULqD8t
+.. section: Core and Builtins
+
+Prevent double awaiting of async iterator.
+
+..
+
+.. bpo: 17005
+.. date: 2020-01-17-00-00-58
+.. nonce: nTSxsy
+.. section: Core and Builtins
+
+Add :class:`functools.TopologicalSorter` to the :mod:`functools` module to
+offers functionality to perform topological sorting of graphs. Patch by
+Pablo Galindo, Tim Peters and Larry Hastings.
+
+..
+
+.. bpo: 39320
+.. date: 2020-01-15-15-33-44
+.. nonce: b4hnJW
+.. section: Core and Builtins
+
+Replace four complex bytecodes for building sequences with three simpler
+ones.
+
+The following four bytecodes have been removed:
+
+* BUILD_LIST_UNPACK
+* BUILD_TUPLE_UNPACK
+* BUILD_SET_UNPACK
+* BUILD_TUPLE_UNPACK_WITH_CALL
+
+The following three bytecodes have been added:
+
+* LIST_TO_TUPLE
+* LIST_EXTEND
+* SET_UPDATE
+
+..
+
+.. bpo: 39336
+.. date: 2020-01-15-01-39-29
+.. nonce: nJ7W9I
+.. section: Core and Builtins
+
+Import loaders which publish immutable module objects can now publish
+immutable packages in addition to individual modules.
+
+..
+
+.. bpo: 39322
+.. date: 2020-01-13-15-18-13
+.. nonce: aAs-1T
+.. section: Core and Builtins
+
+Added a new function :func:`gc.is_finalized` to check if an object has been
+finalized by the garbage collector. Patch by Pablo Galindo.
+
+..
+
+.. bpo: 39048
+.. date: 2020-01-13-14-45-22
+.. nonce: iPsj81
+.. section: Core and Builtins
+
+Improve the displayed error message when incorrect types are passed to
+``async with`` statements by looking up the :meth:`__aenter__` special
+method before the :meth:`__aexit__` special method when entering an
+asynchronous context manager. Patch by Géry Ogam.
+
+..
+
+.. bpo: 39235
+.. date: 2020-01-09-10-01-18
+.. nonce: RYwjoc
+.. section: Core and Builtins
+
+Fix AST end location for lone generator expression in function call, e.g.
+f(i for i in a).
+
+..
+
+.. bpo: 39209
+.. date: 2020-01-06-10-29-16
+.. nonce: QHAONe
+.. section: Core and Builtins
+
+Correctly handle multi-line tokens in interactive mode. Patch by Pablo
+Galindo.
+
+..
+
+.. bpo: 1635741
+.. date: 2020-01-05-13-40-08
+.. nonce: QRTJVC
+.. section: Core and Builtins
+
+Port _json extension module to multiphase initialization (:pep:`489`).
+
+..
+
+.. bpo: 39216
+.. date: 2020-01-05-06-55-52
+.. nonce: 74jLh9
+.. section: Core and Builtins
+
+Fix constant folding optimization for positional only arguments - by Anthony
+Sottile.
+
+..
+
+.. bpo: 39215
+.. date: 2020-01-04-17-25-34
+.. nonce: xiqiIz
+.. section: Core and Builtins
+
+Fix ``SystemError`` when nested function has annotation on positional-only
+argument - by Anthony Sottile.
+
+..
+
+.. bpo: 39200
+.. date: 2020-01-04-01-14-32
+.. nonce: 8Z9DYp
+.. section: Core and Builtins
+
+Correct the error message when calling the :func:`min` or :func:`max` with
+no arguments. Patch by Dong-hee Na.
+
+..
+
+.. bpo: 39200
+.. date: 2020-01-03-14-50-14
+.. nonce: Ip2_iI
+.. section: Core and Builtins
+
+Correct the error message when trying to construct :class:`range` objects
+with no arguments. Patch by Pablo Galindo.
+
+..
+
+.. bpo: 39166
+.. date: 2020-01-02-22-22-03
+.. nonce: Qt-UeD
+.. section: Core and Builtins
+
+Fix incorrect line execution reporting in trace functions when tracing the
+last iteration of asynchronous for loops. Patch by Pablo Galindo.
+
+..
+
+.. bpo: 39114
+.. date: 2019-12-31-18-25-45
+.. nonce: WG9alt
+.. section: Core and Builtins
+
+Fix incorrent line execution reporting in trace functions when tracing
+exception handlers with name binding. Patch by Pablo Galindo.
+
+..
+
+.. bpo: 39156
+.. date: 2019-12-30-10-53-59
+.. nonce: veT-CB
+.. section: Core and Builtins
+
+Split the COMPARE_OP bytecode instruction into four distinct instructions.
+
+* COMPARE_OP for rich comparisons
+* IS_OP for 'is' and 'is not' tests
+* CONTAINS_OP for 'in' and 'is not' tests
+* JUMP_IF_NOT_EXC_MATCH for checking exceptions in 'try-except' statements.
+
+This improves the clarity of the interpreter and should provide a modest
+speedup.
+
+..
+
+.. bpo: 38588
+.. date: 2019-12-29-19-13-54
+.. nonce: pgXnNS
+.. section: Core and Builtins
+
+Fix possible crashes in dict and list when calling
+:c:func:`PyObject_RichCompareBool`.
+
+..
+
+.. bpo: 13601
+.. date: 2019-12-17-22-32-11
+.. nonce: vNP4LC
+.. section: Core and Builtins
+
+By default, ``sys.stderr`` is line-buffered now, even if ``stderr`` is
+redirected to a file. You can still make ``sys.stderr`` unbuffered by
+passing the :option:`-u` command-line option or setting the
+:envvar:`PYTHONUNBUFFERED` environment variable.
+
+(Contributed by Jendrik Seipp in bpo-13601.)
+
+..
+
+.. bpo: 38610
+.. date: 2019-10-31-14-30-39
+.. nonce: fHdVMS
+.. section: Core and Builtins
+
+Fix possible crashes in several list methods by holding strong references to
+list elements when calling :c:func:`PyObject_RichCompareBool`.
+
+..
+
+.. bpo: 32021
+.. date: 2019-03-11-13-30-40
+.. nonce: dpbtkP
+.. section: Core and Builtins
+
+Include brotli .br encoding in mimetypes encodings_map
+
+..
+
+.. bpo: 39430
+.. date: 2020-01-24-11-05-21
+.. nonce: I0UQzM
+.. section: Library
+
+Fixed race condition in lazy imports in :mod:`tarfile`.
+
+..
+
+.. bpo: 39413
+.. date: 2020-01-24-10-10-25
+.. nonce: 7XYDM8
+.. section: Library
+
+The :func:`os.unsetenv` function is now also available on Windows.
+
+..
+
+.. bpo: 39390
+.. date: 2020-01-23-21-34-29
+.. nonce: D2tSXk
+.. section: Library
+
+Fixed a regression with the `ignore` callback of :func:`shutil.copytree`.
+The argument types are now str and List[str] again.
+
+..
+
+.. bpo: 39395
+.. date: 2020-01-23-03-05-41
+.. nonce: 4dda42
+.. section: Library
+
+The :func:`os.putenv` and :func:`os.unsetenv` functions are now always
+available.
+
+..
+
+.. bpo: 39406
+.. date: 2020-01-22-21-18-58
+.. nonce: HMpe8x
+.. section: Library
+
+If ``setenv()`` C function is available, :func:`os.putenv` is now
+implemented with ``setenv()`` instead of ``putenv()``, so Python doesn't
+have to handle the environment variable memory.
+
+..
+
+.. bpo: 39396
+.. date: 2020-01-21-09-00-42
+.. nonce: 6UXQXE
+.. section: Library
+
+Fix ``math.nextafter(-0.0, +0.0)`` on AIX 7.1.
+
+..
+
+.. bpo: 29435
+.. date: 2020-01-20-18-48-00
+.. nonce: qqJ2Ax
+.. section: Library
+
+Allow :func:`tarfile.is_tarfile` to be used with file and file-like objects,
+like :func:`zipfile.is_zipfile`. Patch by William Woodruff.
+
+..
+
+.. bpo: 39377
+.. date: 2020-01-20-13-00-35
+.. nonce: QSFdaU
+.. section: Library
+
+Removed ``encoding`` option from :func:`json.loads`. It has been deprecated
+since Python 3.1.
+
+..
+
+.. bpo: 39389
+.. date: 2020-01-20-00-56-01
+.. nonce: fEirIS
+.. section: Library
+
+Write accurate compression level metadata in :mod:`gzip` archives, rather
+than always signaling maximum compression.
+
+..
+
+.. bpo: 39366
+.. date: 2020-01-17-18-14-51
+.. nonce: Cv3NQS
+.. section: Library
+
+The previously deprecated ``xpath()`` and ``xgtitle()`` methods of
+:class:`nntplib.NNTP` have been removed.
+
+..
+
+.. bpo: 39357
+.. date: 2020-01-16-11-24-00
+.. nonce: bCwx-h
+.. section: Library
+
+Remove the *buffering* parameter of :class:`bz2.BZ2File`. Since Python 3.0,
+it was ignored and using it was emitting :exc:`DeprecationWarning`. Pass an
+open file object, to control how the file is opened. The *compresslevel*
+parameter becomes keyword-only.
+
+..
+
+.. bpo: 39353
+.. date: 2020-01-16-10-21-48
+.. nonce: ntp7Ql
+.. section: Library
+
+Deprecate binhex4 and hexbin4 standards. Deprecate the :mod:`binhex` module
+and the following :mod:`binascii` functions: :func:`~binascii.b2a_hqx`,
+:func:`~binascii.a2b_hqx`, :func:`~binascii.rlecode_hqx`,
+:func:`~binascii.rledecode_hqx`, :func:`~binascii.crc_hqx`.
+
+..
+
+.. bpo: 39351
+.. date: 2020-01-16-09-27-28
+.. nonce: a-FQdv
+.. section: Library
+
+Remove ``base64.encodestring()`` and ``base64.decodestring()``, aliases
+deprecated since Python 3.1: use :func:`base64.encodebytes` and
+:func:`base64.decodebytes` instead.
+
+..
+
+.. bpo: 39350
+.. date: 2020-01-16-09-15-40
+.. nonce: ZQx0uY
+.. section: Library
+
+Remove ``fractions.gcd()`` function, deprecated since Python 3.5
+(:issue:`22486`): use :func:`math.gcd` instead.
+
+..
+
+.. bpo: 39329
+.. date: 2020-01-14-22-16-07
+.. nonce: 6OKGBn
+.. section: Library
+
+:class:`~smtplib.LMTP` constructor now has an optional *timeout* parameter.
+Patch by Dong-hee Na.
+
+..
+
+.. bpo: 39313
+.. date: 2020-01-12-18-17-00
+.. nonce: DCTsnm
+.. section: Library
+
+Add a new ``exec_function`` option (*--exec-function* in the CLI) to
+``RefactoringTool`` for making ``exec`` a function. Patch by Batuhan
+Taskaya.
+
+..
+
+.. bpo: 39259
+.. date: 2020-01-12-17-19-40
+.. nonce: iax06r
+.. section: Library
+
+:class:`~ftplib.FTP_TLS` and :class:`~ftplib.FTP_TLS` now raise a
+:class:`ValueError` if the given timeout for their constructor is zero to
+prevent the creation of a non-blocking socket. Patch by Dong-hee Na.
+
+..
+
+.. bpo: 39259
+.. date: 2020-01-12-16-34-28
+.. nonce: J_yBVq
+.. section: Library
+
+:class:`~smtplib.SMTP` and :class:`~smtplib.SMTP_SSL` now raise a
+:class:`ValueError` if the given timeout for their constructor is zero to
+prevent the creation of a non-blocking socket. Patch by Dong-hee Na.
+
+..
+
+.. bpo: 39310
+.. date: 2020-01-12-13-34-42
+.. nonce: YMRdcj
+.. section: Library
+
+Add :func:`math.ulp`: return the value of the least significant bit of a
+float.
+
+..
+
+.. bpo: 39297
+.. date: 2020-01-11-01-15-37
+.. nonce: y98Z6Q
+.. section: Library
+
+Improved performance of importlib.metadata distribution discovery and
+resilients to inaccessible sys.path entries (importlib_metadata v1.4.0).
+
+..
+
+.. bpo: 39259
+.. date: 2020-01-11-00-32-45
+.. nonce: _S5VjC
+.. section: Library
+
+:class:`~nntplib.NNTP` and :class:`~nntplib.NNTP_SSL` now raise a
+:class:`ValueError` if the given timeout for their constructor is zero to
+prevent the creation of a non-blocking socket. Patch by Dong-hee Na.
+
+..
+
+.. bpo: 38901
+.. date: 2020-01-10-22-30-48
+.. nonce: OdVIIb
+.. section: Library
+
+When you specify prompt='.' or equivalently python -m venv --prompt . ...
+the basename of the current directory is used to set the created venv's
+prompt when it's activated.
+
+..
+
+.. bpo: 39288
+.. date: 2020-01-10-16-52-09
+.. nonce: IB-aQX
+.. section: Library
+
+Add :func:`math.nextafter`: return the next floating-point value after *x*
+towards *y*.
+
+..
+
+.. bpo: 39259
+.. date: 2020-01-09-10-58-58
+.. nonce: RmDgCC
+.. section: Library
+
+:class:`~poplib.POP3` and :class:`~poplib.POP3_SSL` now raise a
+:class:`ValueError` if the given timeout for their constructor is zero to
+prevent the creation of a non-blocking socket. Patch by Dong-hee Na.
+
+..
+
+.. bpo: 39242
+.. date: 2020-01-08-23-25-27
+.. nonce: bnL65N
+.. section: Library
+
+Updated the Gmane domain from news.gmane.org to news.gmane.io which is used
+for examples of :class:`~nntplib.NNTP` news reader server and nntplib tests.
+
+..
+
+.. bpo: 35292
+.. date: 2020-01-08-14-39-19
+.. nonce: ihRT1z
+.. section: Library
+
+Proxy the `SimpleHTTPRequestHandler.guess_type` to `mimetypes.guess_type` so
+the `mimetypes.init` is called lazily to avoid unnecessary costs when
+:mod:`http.server` module is imported.
+
+..
+
+.. bpo: 39239
+.. date: 2020-01-07-01-02-44
+.. nonce: r7vecs
+.. section: Library
+
+The :meth:`select.epoll.unregister` method no longer ignores the
+:data:`~errno.EBADF` error.
+
+..
+
+.. bpo: 38907
+.. date: 2020-01-06-02-14-38
+.. nonce: F1RkCR
+.. section: Library
+
+In http.server script, restore binding to IPv4 on Windows.
+
+..
+
+.. bpo: 39152
+.. date: 2020-01-03-18-02-50
+.. nonce: JgPjCC
+.. section: Library
+
+Fix ttk.Scale.configure([name]) to return configuration tuple for name or
+all options. Giovanni Lombardo contributed part of the patch.
+
+..
+
+.. bpo: 39198
+.. date: 2020-01-02-20-21-03
+.. nonce: nzwGyG
+.. section: Library
+
+If an exception were to be thrown in `Logger.isEnabledFor` (say, by asyncio
+timeouts or stopit) , the `logging` global lock may not be released
+appropriately, resulting in deadlock. This change wraps that block of code
+with `try...finally` to ensure the lock is released.
+
+..
+
+.. bpo: 39191
+.. date: 2020-01-02-17-28-03
+.. nonce: ur_scy
+.. section: Library
+
+Perform a check for running loop before starting a new task in
+``loop.run_until_complete()`` to fail fast; it prevents the side effect of
+new task spawning before exception raising.
+
+..
+
+.. bpo: 38871
+.. date: 2020-01-01-18-44-52
+.. nonce: 3EEOLg
+.. section: Library
+
+Correctly parenthesize filter-based statements that contain lambda
+expressions in mod:`lib2to3`. Patch by Dong-hee Na.
+
+..
+
+.. bpo: 39142
+.. date: 2019-12-31-19-27-23
+.. nonce: oqU5iD
+.. section: Library
+
+A change was made to logging.config.dictConfig to avoid converting instances
+of named tuples to ConvertingTuple. It's assumed that named tuples are too
+specialised to be treated like ordinary tuples; if a user of named tuples
+requires ConvertingTuple functionality, they will have to implement that
+themselves in their named tuple class.
+
+..
+
+.. bpo: 39158
+.. date: 2019-12-29-15-44-38
+.. nonce: cxVoOR
+.. section: Library
+
+ast.literal_eval() now supports empty sets.
+
+..
+
+.. bpo: 39129
+.. date: 2019-12-24-10-43-13
+.. nonce: jVx5rW
+.. section: Library
+
+Fix import path for ``asyncio.TimeoutError``
+
+..
+
+.. bpo: 39057
+.. date: 2019-12-15-21-47-54
+.. nonce: FOxn-w
+.. section: Library
+
+:func:`urllib.request.proxy_bypass_environment` now ignores leading dots and
+no longer ignores a trailing newline.
+
+..
+
+.. bpo: 39056
+.. date: 2019-12-15-21-05-16
+.. nonce: nEfUM9
+.. section: Library
+
+Fixed handling invalid warning category in the -W option. No longer import
+the re module if it is not needed.
+
+..
+
+.. bpo: 39055
+.. date: 2019-12-15-19-23-23
+.. nonce: FmN3un
+.. section: Library
+
+:func:`base64.b64decode` with ``validate=True`` raises now a binascii.Error
+if the input ends with a single ``\n``.
+
+..
+
+.. bpo: 21600
+.. date: 2019-12-14-14-38-40
+.. nonce: kC4Cgh
+.. section: Library
+
+Fix :func:`mock.patch.stopall` to stop active patches that were created with
+:func:`mock.patch.dict`.
+
+..
+
+.. bpo: 39019
+.. date: 2019-12-10-21-11-05
+.. nonce: YIlgZ7
+.. section: Library
+
+Implement dummy ``__class_getitem__`` for
+:class:`tempfile.SpooledTemporaryFile`.
+
+..
+
+.. bpo: 39019
+.. date: 2019-12-10-21-03-34
+.. nonce: i8RpMZ
+.. section: Library
+
+Implement dummy ``__class_getitem__`` for ``subprocess.Popen``,
+``subprocess.CompletedProcess``
+
+..
+
+.. bpo: 38914
+.. date: 2019-11-26-23-21-56
+.. nonce: 8l-g-T
+.. section: Library
+
+Adjusted the wording of the warning issued by distutils' ``check`` command
+when the ``author`` and ``maintainer`` fields are supplied but no
+corresponding e-mail field (``author_email`` or ``maintainer_email``) is
+found. The wording now reflects the fact that these fields are suggested,
+but not required. Patch by Juergen Gmach.
+
+..
+
+.. bpo: 38878
+.. date: 2019-11-22-12-08-52
+.. nonce: EJ0cFf
+.. section: Library
+
+Fixed __subclasshook__ of :class:`os.PathLike` to return a correct result
+upon inheritence. Patch by Bar Harel.
+
+..
+
+.. bpo: 38615
+.. date: 2019-11-17-17-32-35
+.. nonce: OVyaNX
+.. section: Library
+
+:class:`~imaplib.IMAP4` and :class:`~imaplib.IMAP4_SSL` now have an optional
+*timeout* parameter for their constructors. Also, the
+:meth:`~imaplib.IMAP4.open` method now has an optional *timeout* parameter
+with this change. The overridden methods of :class:`~imaplib.IMAP4_SSL` and
+:class:`~imaplib.IMAP4_stream` were applied to this change. Patch by
+Dong-hee Na.
+
+..
+
+.. bpo: 35182
+.. date: 2019-10-31-19-23-25
+.. nonce: hzeNl9
+.. section: Library
+
+Fixed :func:`Popen.communicate` subsequent call crash when the child process
+has already closed any piped standard stream, but still continues to be
+running. Patch by Andriy Maletsky.
+
+..
+
+.. bpo: 38630
+.. date: 2019-10-29-12-21-10
+.. nonce: Dv6Xrm
+.. section: Library
+
+On Unix, :meth:`subprocess.Popen.send_signal` now polls the process status.
+Polling reduces the risk of sending a signal to the wrong process if the
+process completed, the :attr:`subprocess.Popen.returncode` attribute is
+still ``None``, and the pid has been reassigned (recycled) to a new
+different process.
+
+..
+
+.. bpo: 38536
+.. date: 2019-10-21-20-24-51
+.. nonce: beZ0Sk
+.. section: Library
+
+Removes trailing space in formatted currency with `international=True` and a
+locale with symbol following value. E.g. `locale.currency(12.34,
+international=True)` returned `'12,34 EUR '` instead of `'12,34 EUR'`.
+
+..
+
+.. bpo: 38473
+.. date: 2019-10-14-21-14-55
+.. nonce: uXpVld
+.. section: Library
+
+Use signature from inner mock for autospecced methods attached with
+:func:`unittest.mock.attach_mock`. Patch by Karthikeyan Singaravelan.
+
+..
+
+.. bpo: 38361
+.. date: 2019-10-04-09-49-56
+.. nonce: LM4u4T
+.. section: Library
+
+Fixed an issue where ``ident`` could include a leading path separator when
+:func:`syslog.openlog` was called without arguments.
+
+..
+
+.. bpo: 38293
+.. date: 2019-09-29-08-17-03
+.. nonce: wls5s3
+.. section: Library
+
+Add :func:`copy.copy` and :func:`copy.deepcopy` support to :func:`property`
+objects.
+
+..
+
+.. bpo: 37958
+.. date: 2019-08-27-03-57-25
+.. nonce: lRORI3
+.. section: Library
+
+Added the pstats.Stats.get_profile_dict() method to return the profile data
+as a StatsProfile instance.
+
+..
+
+.. bpo: 28367
+.. date: 2019-05-06-22-38-47
+.. nonce: 2AKen5
+.. section: Library
+
+Termios magic constants for the following baud rates: - B500000 -
+B576000 - B921600 - B1000000 - B1152000 - B1500000 - B2000000 -
+B2500000 - B3000000 - B3500000 - B4000000 Patch by Andrey Smirnov
+
+..
+
+.. bpo: 39381
+.. date: 2020-01-18-15-37-56
+.. nonce: wTWe8d
+.. section: Documentation
+
+Mention in docs that :func:`asyncio.get_event_loop` implicitly creates new
+event loop only if called from the main thread.
+
+..
+
+.. bpo: 38918
+.. date: 2019-12-15-22-04-41
+.. nonce: 8JnDTS
+.. section: Documentation
+
+Add an entry for ``__module__`` in the "function" & "method" sections of the
+`inspect docs types and members table
+<https://docs.python.org/3/library/inspect.html#types-and-members>`_
+
+..
+
+.. bpo: 3530
+.. date: 2019-11-17-11-53-10
+.. nonce: 8zFUMc
+.. section: Documentation
+
+In the :mod:`ast` module documentation, fix a misleading ``NodeTransformer``
+example and add advice on when to use the ``fix_missing_locations``
+function.
+
+..
+
+.. bpo: 39395
+.. date: 2020-01-23-03-05-13
+.. nonce: RoArIZ
+.. section: Build
+
+On non-Windows platforms, the :c:func:`setenv` and :c:func:`unsetenv`
+functions are now required to build Python.
+
+..
+
+.. bpo: 39160
+.. date: 2019-12-30-03-54-24
+.. nonce: aBmj13
+.. section: Build
+
+Updated the documentation in `./configure --help` to show default values,
+reference documentation where required and add additional explanation where
+needed.
+
+..
+
+.. bpo: 39144
+.. date: 2019-12-27-22-18-26
+.. nonce: dwHMlR
+.. section: Build
+
+The ctags and etags build targets both include Modules/_ctypes and Python
+standard library source files.
+
+..
+
+.. bpo: 39050
+.. date: 2020-01-22-22-28-06
+.. nonce: zkn0FO
+.. section: IDLE
+
+Make IDLE Settings dialog Help button work again.
+
+..
+
+.. bpo: 34118
+.. date: 2019-12-30-16-44-07
+.. nonce: FaNW0a
+.. section: IDLE
+
+Tag memoryview, range, and tuple as classes, the same as list, etcetera, in
+the library manual built-in functions list.
+
+..
+
+.. bpo: 32989
+.. date: 2018-03-03-12-56-26
+.. nonce: FVhmhH
+.. section: IDLE
+
+Add tests for editor newline_and_indent_event method. Remove dead code from
+pyparse find_good_parse_start method.
+
+..
+
+.. bpo: 39372
+.. date: 2020-01-17-19-25-48
+.. nonce: hGJMY6
+.. section: C API
+
+Clean header files of interfaces defined but with no implementation. The
+public API symbols being removed are:
+``_PyBytes_InsertThousandsGroupingLocale``,
+``_PyBytes_InsertThousandsGrouping``, ``_Py_InitializeFromArgs``,
+``_Py_InitializeFromWideArgs``, ``_PyFloat_Repr``, ``_PyFloat_Digits``,
+``_PyFloat_DigitsInit``, ``PyFrame_ExtendStack``, ``_PyAIterWrapper_Type``,
+``PyNullImporter_Type``, ``PyCmpWrapper_Type``, ``PySortWrapper_Type``,
+``PyNoArgsFunction``.
+
+..
+
+.. bpo: 39164
+.. date: 2019-12-30-10-43-52
+.. nonce: WEV0uu
+.. section: C API
+
+Add a private ``_PyErr_GetExcInfo()`` function to retrieve exception
+information of the specified Python thread state.
projects / thirdparty / Python / cpython.git / commitdiff
