traverseda
/
cpython
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Python 3.8.2rc1

This commit is contained in:
Łukasz Langa 2020-02-10 20:08:24 +01:00
parent b086ea5edc
commit 8623e68ea8
No known key found for this signature in database
GPG Key ID: B26995E310250568
62 changed files with 705 additions and 165 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
Include/patchlevel.h
View File

@ -18,12 +18,12 @@
/*--start constants--*/
#define PY_MAJOR_VERSION 3
#define PY_MINOR_VERSION 8
#define PY_MICRO_VERSION 1
#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_FINAL
#define PY_RELEASE_SERIAL 0
#define PY_MICRO_VERSION 2
#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_GAMMA
#define PY_RELEASE_SERIAL 1
/* Version as a string */
#define PY_VERSION "3.8.1+"
#define PY_VERSION "3.8.2rc1"
/*--end constants--*/
/* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.

171
Lib/pydoc_data/topics.py
View File

@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
# Autogenerated by Sphinx on Wed Dec 18 18:17:58 2019
# Autogenerated by Sphinx on Mon Feb 10 19:25:27 2020
topics = {'assert': 'The "assert" statement\n'
'**********************\n'
'\n'
@ -470,24 +470,25 @@ topics = {'assert': 'The "assert" statement\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'
@ -507,23 +508,27 @@ topics = {'assert': 'The "assert" statement\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'
' aexit = type(manager).__aexit__\n'
' aenter = type(manager).__aenter__\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'
@ -2518,11 +2523,13 @@ topics = {'assert': 'The "assert" statement\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 '
@ -2535,9 +2542,9 @@ topics = {'assert': 'The "assert" statement\n'
'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, '
@ -2559,18 +2566,42 @@ topics = {'assert': 'The "assert" statement\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'
@ -2934,24 +2965,25 @@ topics = {'assert': 'The "assert" statement\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'
@ -2971,23 +3003,27 @@ topics = {'assert': 'The "assert" statement\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'
' aexit = type(manager).__aexit__\n'
' aenter = type(manager).__aenter__\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'
@ -6803,7 +6839,7 @@ topics = {'assert': 'The "assert" statement\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'
@ -8963,7 +8999,9 @@ topics = {'assert': 'The "assert" statement\n'
'bases,\n'
'**kwds)" (where the additional keyword arguments, if any, '
'come from\n'
'the class definition).\n'
'the class definition). The "__prepare__" method should be '
'implemented\n'
'as a "classmethod()".\n'
'\n'
'If the metaclass has no "__prepare__" attribute, then the '
'class\n'
@ -9477,7 +9515,7 @@ topics = {'assert': 'The "assert" statement\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'
@ -11918,8 +11956,9 @@ topics = {'assert': 'The "assert" statement\n'
' bytecode offsets to line numbers (for details see the source\n'
' code of the interpreter); "co_stacksize" is the required '
'stack\n'
' size (including local variables); "co_flags" is an integer\n'
' encoding a number of flags for the interpreter.\n'
' size; "co_flags" is an integer encoding a number of flags '
'for\n'
' the interpreter.\n'
'\n'
' The following flag bits are defined for "co_flags": bit '
'"0x04"\n'
@ -12372,6 +12411,8 @@ topics = {'assert': 'The "assert" statement\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 '
@ -13577,11 +13618,13 @@ topics = {'assert': 'The "assert" statement\n'
'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'
@ -13591,9 +13634,9 @@ topics = {'assert': 'The "assert" statement\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'
@ -13613,17 +13656,41 @@ topics = {'assert': 'The "assert" statement\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'

580
Misc/NEWS.d/3.8.2rc1.rst Normal file
View File

@ -0,0 +1,580 @@
.. bpo: 39401
.. date: 2020-01-28-20-54-09
.. nonce: he7h_A
.. release date: 2020-02-10
.. section: Security
Avoid unsafe load of ``api-ms-win-core-path-l1-1-0.dll`` at startup on
Windows 7.
..
.. bpo: 39184
.. date: 2020-01-07-00-42-08
.. nonce: fe7NgK
.. section: Security
Add audit events to command execution functions in os and pty modules.
..
.. bpo: 39579
.. date: 2020-02-07-15-18-35
.. nonce: itNmC0
.. section: Core and Builtins
Change the ending column offset of `Attribute` nodes constructed in
`ast_for_dotted_name` to point at the end of the current node and not at the
end of the last `NAME` node.
..
.. bpo: 39510
.. date: 2020-02-04-10-27-41
.. nonce: PMIh-f
.. section: Core and Builtins
Fix segfault in ``readinto()`` method on closed BufferedReader.
..
.. bpo: 39492
.. date: 2020-01-30-01-14-42
.. nonce: eTuy0F
.. section: Core and Builtins
Fix a reference cycle in the C Pickler that was preventing the garbage
collection of deleted, pickled objects.
..
.. 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: 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: 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: 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: 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: 39590
.. date: 2020-02-09-05-51-05
.. nonce: rf98GU
.. section: Library
Collections.deque now holds strong references during deque.__contains__ and
deque.count, fixing crashes.
..
.. bpo: 38149
.. date: 2020-02-05-11-24-16
.. nonce: GWsjHE
.. section: Library
:func:`sys.audit` is now called only once per call of :func:`glob.glob` and
:func:`glob.iglob`.
..
.. bpo: 39450
.. date: 2020-02-02-14-46-34
.. nonce: 48R274
.. section: Library
Striped whitespace from docstring before returning it from
:func:`unittest.case.shortDescription`.
..
.. bpo: 39493
.. date: 2020-01-30-01-13-19
.. nonce: CbFRi7
.. section: Library
Mark ``typing.IO.closed`` as a property
..
.. bpo: 39485
.. date: 2020-01-29-14-58-27
.. nonce: Zy3ot6
.. section: Library
Fix a bug in :func:`unittest.mock.create_autospec` that would complain about
the wrong number of arguments for custom descriptors defined in an extension
module returning functions.
..
.. bpo: 39082
.. date: 2020-01-24-13-24-35
.. nonce: qKgrq_
.. section: Library
Allow AsyncMock to correctly patch static/class methods
..
.. bpo: 39430
.. date: 2020-01-24-11-05-21
.. nonce: I0UQzM
.. section: Library
Fixed race condition in lazy imports in :mod:`tarfile`.
..
.. 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: 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: 39274
.. date: 2020-01-15-23-13-03
.. nonce: lpc0-n
.. section: Library
``bool(fraction.Fraction)`` now returns a boolean even if (numerator != 0)
does not return a boolean (ex: numpy number).
..
.. 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: 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: 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: 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: 39033
.. date: 2019-12-13-18-54-49
.. nonce: cepuyD
.. section: Library
Fix :exc:`NameError` in :mod:`zipimport`. Patch by Karthikeyan Singaravelan.
..
.. 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: 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: 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: 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: 39153
.. date: 2020-01-27-22-24-51
.. nonce: Pjl8jV
.. section: Documentation
Clarify refcounting semantics for the following functions: -
PyObject_SetItem - PyMapping_SetItemString - PyDict_SetItem -
PyDict_SetItemString
..
.. bpo: 39392
.. date: 2020-01-27-18-18-42
.. nonce: oiqcLO
.. section: Documentation
Explain that when filling with turtle, overlap regions may be left unfilled.
..
.. 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: 39502
.. date: 2020-01-30-15-04-54
.. nonce: chbpII
.. section: Tests
Skip test_zipfile.test_add_file_after_2107() if :func:`time.localtime` fails
with :exc:`OverflowError`. It is the case on AIX 6.1 for example.
..
.. bpo: 38546
.. date: 2019-12-18-14-52-08
.. nonce: 2kxNuM
.. section: Tests
Fix test_ressources_gced_in_workers() of test_concurrent_futures: explicitly
stop the manager to prevent leaking a child process running in the
background after the test completes.
..
.. 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: 39439
.. date: 2020-01-24-03-15-05
.. nonce: sFxGfR
.. section: Windows
Honor the Python path when a virtualenv is active on Windows.
..
.. bpo: 39393
.. date: 2020-01-20-23-42-53
.. nonce: gWlJDG
.. section: Windows
Improve the error message when attempting to load a DLL with unresolved
dependencies.
..
.. bpo: 38883
.. date: 2020-01-11-22-53-55
.. nonce: X7FRaN
.. section: Windows
:meth:`~pathlib.Path.home()` and :meth:`~pathlib.Path.expanduser()` on
Windows now prefer :envvar:`USERPROFILE` and no longer use :envvar:`HOME`,
which is not normally set for regular user accounts. This makes them again
behave like :func:`os.path.expanduser`, which was changed to ignore
:envvar:`HOME` in 3.8, see :issue:`36264`.
..
.. bpo: 39185
.. date: 2020-01-02-01-11-53
.. nonce: T4herN
.. section: Windows
The build.bat script has additional options for very-quiet output (-q) and
very-verbose output (-vv)
..
.. bpo: 30780
.. date: 2020-01-27-16-44-29
.. nonce: nR80qu
.. section: IDLE
Add remaining configdialog tests for buttons and highlights and keys tabs.
..
.. bpo: 39388
.. date: 2020-01-25-02-26-45
.. nonce: x4TQNh
.. section: IDLE
IDLE Settings Cancel button now cancels pending changes
..
.. 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: 38792
.. date: 2019-11-13-23-51-39
.. nonce: xhTC5a
.. section: IDLE
Close an IDLE shell calltip if a :exc:`KeyboardInterrupt` or shell restart
occurs. Patch by Zackery Spytz.
..
.. 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.

1
Misc/NEWS.d/next/Build/2019-12-27-22-18-26.bpo-39144.dwHMlR.rst
View File

@ -1 +0,0 @@
The ctags and etags build targets both include Modules/_ctypes and Python standard library source files.

2
Misc/NEWS.d/next/Core and Builtins/2019-10-31-14-30-39.bpo-38610.fHdVMS.rst
View File

@ -1,2 +0,0 @@
Fix possible crashes in several list methods by holding strong references to
list elements when calling :c:func:`PyObject_RichCompareBool`.

2
Misc/NEWS.d/next/Core and Builtins/2019-12-29-19-13-54.bpo-38588.pgXnNS.rst
View File

@ -1,2 +0,0 @@
Fix possible crashes in dict and list when calling
:c:func:`PyObject_RichCompareBool`.

2
Misc/NEWS.d/next/Core and Builtins/2020-01-04-17-25-34.bpo-39215.xiqiIz.rst
View File

@ -1,2 +0,0 @@
Fix ``SystemError`` when nested function has annotation on positional-only
argument - by Anthony Sottile.

2
Misc/NEWS.d/next/Core and Builtins/2020-01-05-06-55-52.bpo-39216.74jLh9.rst
View File

@ -1,2 +0,0 @@
Fix constant folding optimization for positional only arguments - by Anthony
Sottile.

2
Misc/NEWS.d/next/Core and Builtins/2020-01-06-10-29-16.bpo-39209.QHAONe.rst
View File

@ -1,2 +0,0 @@
Correctly handle multi-line tokens in interactive mode. Patch by Pablo
Galindo.

2
Misc/NEWS.d/next/Core and Builtins/2020-01-09-10-01-18.bpo-39235.RYwjoc.rst
View File

@ -1,2 +0,0 @@
Fix AST end location for lone generator expression in function call, e.g.
f(i for i in a).

1
Misc/NEWS.d/next/Core and Builtins/2020-01-20-21-40-57.bpo-39386.ULqD8t.rst
View File

@ -1 +0,0 @@
Prevent double awaiting of async iterator.

2
Misc/NEWS.d/next/Core and Builtins/2020-01-22-15-53-37.bpo-39421.O3nG7u.rst
View File

@ -1,2 +0,0 @@
Fix possible crashes when operating with the functions in the :mod:`heapq`
module and custom comparison operators.

1
Misc/NEWS.d/next/Core and Builtins/2020-01-30-01-14-42.bpo-39492.eTuy0F.rst
View File

@ -1 +0,0 @@
Fix a reference cycle in the C Pickler that was preventing the garbage collection of deleted, pickled objects.

1
Misc/NEWS.d/next/Core and Builtins/2020-02-04-10-27-41.bpo-39510.PMIh-f.rst
View File

@ -1 +0,0 @@
Fix segfault in ``readinto()`` method on closed BufferedReader.

1
Misc/NEWS.d/next/Core and Builtins/2020-02-07-15-18-35.bpo-39579.itNmC0.rst
View File

@ -1 +0,0 @@
Change the ending column offset of `Attribute` nodes constructed in `ast_for_dotted_name` to point at the end of the current node and not at the end of the last `NAME` node.

2
Misc/NEWS.d/next/Documentation/2019-11-17-11-53-10.bpo-3530.8zFUMc.rst
View File

@ -1,2 +0,0 @@
In the :mod:`ast` module documentation, fix a misleading ``NodeTransformer`` example and add
advice on when to use the ``fix_missing_locations`` function.

3
Misc/NEWS.d/next/Documentation/2019-12-15-22-04-41.bpo-38918.8JnDTS.rst
View File

@ -1,3 +0,0 @@
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>`_

2
Misc/NEWS.d/next/Documentation/2020-01-18-15-37-56.bpo-39381.wTWe8d.rst
View File

@ -1,2 +0,0 @@
Mention in docs that :func:`asyncio.get_event_loop` implicitly creates new
event loop only if called from the main thread.

1
Misc/NEWS.d/next/Documentation/2020-01-27-18-18-42.bpo-39392.oiqcLO.rst
View File

@ -1 +0,0 @@
Explain that when filling with turtle, overlap regions may be left unfilled.

5
Misc/NEWS.d/next/Documentation/2020-01-27-22-24-51.bpo-39153.Pjl8jV.rst
View File

@ -1,5 +0,0 @@
Clarify refcounting semantics for the following functions:
- PyObject_SetItem
- PyMapping_SetItemString
- PyDict_SetItem
- PyDict_SetItemString

2
Misc/NEWS.d/next/IDLE/2018-03-03-12-56-26.bpo-32989.FVhmhH.rst
View File

@ -1,2 +0,0 @@
Add tests for editor newline_and_indent_event method.
Remove dead code from pyparse find_good_parse_start method.

2
Misc/NEWS.d/next/IDLE/2019-11-13-23-51-39.bpo-38792.xhTC5a.rst
View File

@ -1,2 +0,0 @@
Close an IDLE shell calltip if a :exc:`KeyboardInterrupt`
or shell restart occurs. Patch by Zackery Spytz.

2
Misc/NEWS.d/next/IDLE/2019-12-30-16-44-07.bpo-34118.FaNW0a.rst
View File

@ -1,2 +0,0 @@
Tag memoryview, range, and tuple as classes, the same as list, etcetera, in
the library manual built-in functions list.

1
Misc/NEWS.d/next/IDLE/2020-01-22-22-28-06.bpo-39050.zkn0FO.rst
View File

@ -1 +0,0 @@
Make IDLE Settings dialog Help button work again.

1
Misc/NEWS.d/next/IDLE/2020-01-25-02-26-45.bpo-39388.x4TQNh.rst
View File

@ -1 +0,0 @@
IDLE Settings Cancel button now cancels pending changes

1
Misc/NEWS.d/next/IDLE/2020-01-27-16-44-29.bpo-30780.nR80qu.rst
View File

@ -1 +0,0 @@
Add remaining configdialog tests for buttons and highlights and keys tabs.

1
Misc/NEWS.d/next/Library/2019-09-29-08-17-03.bpo-38293.wls5s3.rst
View File

@ -1 +0,0 @@
Add :func:`copy.copy` and :func:`copy.deepcopy` support to :func:`property` objects.

2
Misc/NEWS.d/next/Library/2019-10-14-21-14-55.bpo-38473.uXpVld.rst
View File

@ -1,2 +0,0 @@
Use signature from inner mock for autospecced methods attached with
:func:`unittest.mock.attach_mock`. Patch by Karthikeyan Singaravelan.

3
Misc/NEWS.d/next/Library/2019-10-31-19-23-25.bpo-35182.hzeNl9.rst
View File

@ -1,3 +0,0 @@
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.

2
Misc/NEWS.d/next/Library/2019-11-22-12-08-52.bpo-38878.EJ0cFf.rst
View File

@ -1,2 +0,0 @@
Fixed __subclasshook__ of :class:`os.PathLike` to return a correct result
upon inheritence. Patch by Bar Harel.

1
Misc/NEWS.d/next/Library/2019-12-13-18-54-49.bpo-39033.cepuyD.rst
View File

@ -1 +0,0 @@
Fix :exc:`NameError` in :mod:`zipimport`. Patch by Karthikeyan Singaravelan.

2
Misc/NEWS.d/next/Library/2019-12-15-19-23-23.bpo-39055.FmN3un.rst
View File

@ -1,2 +0,0 @@
:func:`base64.b64decode` with ``validate=True`` raises now a binascii.Error
if the input ends with a single ``\n``.

2
Misc/NEWS.d/next/Library/2019-12-15-21-05-16.bpo-39056.nEfUM9.rst
View File

@ -1,2 +0,0 @@
Fixed handling invalid warning category in the -W option. No longer import
the re module if it is not needed.

2
Misc/NEWS.d/next/Library/2019-12-15-21-47-54.bpo-39057.FOxn-w.rst
View File

@ -1,2 +0,0 @@
:func:`urllib.request.proxy_bypass_environment` now ignores leading dots and
no longer ignores a trailing newline.

1
Misc/NEWS.d/next/Library/2019-12-24-10-43-13.bpo-39129.jVx5rW.rst
View File

@ -1 +0,0 @@
Fix import path for ``asyncio.TimeoutError``

5
Misc/NEWS.d/next/Library/2019-12-31-19-27-23.bpo-39142.oqU5iD.rst
View File

@ -1,5 +0,0 @@
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.

2
Misc/NEWS.d/next/Library/2020-01-01-18-44-52.bpo-38871.3EEOLg.rst
View File

@ -1,2 +0,0 @@
Correctly parenthesize filter-based statements that contain lambda
expressions in mod:`lib2to3`. Patch by Dong-hee Na.

3
Misc/NEWS.d/next/Library/2020-01-02-17-28-03.bpo-39191.ur_scy.rst
View File

@ -1,3 +0,0 @@
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.

1
Misc/NEWS.d/next/Library/2020-01-02-20-21-03.bpo-39198.nzwGyG.rst
View File

@ -1 +0,0 @@
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.

2
Misc/NEWS.d/next/Library/2020-01-03-18-02-50.bpo-39152.JgPjCC.rst
View File

@ -1,2 +0,0 @@
Fix ttk.Scale.configure([name]) to return configuration tuple for name
or all options. Giovanni Lombardo contributed part of the patch.

1
Misc/NEWS.d/next/Library/2020-01-06-02-14-38.bpo-38907.F1RkCR.rst
View File

@ -1 +0,0 @@
In http.server script, restore binding to IPv4 on Windows.

3
Misc/NEWS.d/next/Library/2020-01-08-23-25-27.bpo-39242.bnL65N.rst
View File

@ -1,3 +0,0 @@
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.

1
Misc/NEWS.d/next/Library/2020-01-11-01-15-37.bpo-39297.y98Z6Q.rst
View File

@ -1 +0,0 @@
Improved performance of importlib.metadata distribution discovery and resilients to inaccessible sys.path entries (importlib_metadata v1.4.0).

1
Misc/NEWS.d/next/Library/2020-01-15-23-13-03.bpo-39274.lpc0-n.rst
View File

@ -1 +0,0 @@
``bool(fraction.Fraction)`` now returns a boolean even if (numerator != 0) does not return a boolean (ex: numpy number).

2
Misc/NEWS.d/next/Library/2020-01-20-00-56-01.bpo-39389.fEirIS.rst
View File

@ -1,2 +0,0 @@
Write accurate compression level metadata in :mod:`gzip` archives, rather
than always signaling maximum compression.

2
Misc/NEWS.d/next/Library/2020-01-23-21-34-29.bpo-39390.D2tSXk.rst
View File

@ -1,2 +0,0 @@
Fixed a regression with the `ignore` callback of :func:`shutil.copytree`.
The argument types are now str and List[str] again.

1
Misc/NEWS.d/next/Library/2020-01-24-11-05-21.bpo-39430.I0UQzM.rst
View File

@ -1 +0,0 @@
Fixed race condition in lazy imports in :mod:`tarfile`.

1
Misc/NEWS.d/next/Library/2020-01-24-13-24-35.bpo-39082.qKgrq_.rst
View File

@ -1 +0,0 @@
Allow AsyncMock to correctly patch static/class methods

3
Misc/NEWS.d/next/Library/2020-01-29-14-58-27.bpo-39485.Zy3ot6.rst
View File

@ -1,3 +0,0 @@
Fix a bug in :func:`unittest.mock.create_autospec` that would complain about
the wrong number of arguments for custom descriptors defined in an extension
module returning functions.

1
Misc/NEWS.d/next/Library/2020-01-30-01-13-19.bpo-39493.CbFRi7.rst
View File

@ -1 +0,0 @@
Mark ``typing.IO.closed`` as a property

2
Misc/NEWS.d/next/Library/2020-02-02-14-46-34.bpo-39450.48R274.rst
View File

@ -1,2 +0,0 @@
Striped whitespace from docstring before returning it from
:func:`unittest.case.shortDescription`.

2
Misc/NEWS.d/next/Library/2020-02-05-11-24-16.bpo-38149.GWsjHE.rst
View File

@ -1,2 +0,0 @@
:func:`sys.audit` is now called only once per call of :func:`glob.glob` and
:func:`glob.iglob`.

1
Misc/NEWS.d/next/Library/2020-02-09-05-51-05.bpo-39590.rf98GU.rst
View File

@ -1 +0,0 @@
Collections.deque now holds strong references during deque.__contains__ and deque.count, fixing crashes.

1
Misc/NEWS.d/next/Security/2020-01-07-00-42-08.bpo-39184.fe7NgK.rst
View File

@ -1 +0,0 @@
Add audit events to command execution functions in os and pty modules.

1
Misc/NEWS.d/next/Security/2020-01-28-20-54-09.bpo-39401.he7h_A.rst
View File

@ -1 +0,0 @@
Avoid unsafe load of ``api-ms-win-core-path-l1-1-0.dll`` at startup on Windows 7.

3
Misc/NEWS.d/next/Tests/2019-12-18-14-52-08.bpo-38546.2kxNuM.rst
View File

@ -1,3 +0,0 @@
Fix test_ressources_gced_in_workers() of test_concurrent_futures: explicitly
stop the manager to prevent leaking a child process running in the background
after the test completes.

2
Misc/NEWS.d/next/Tests/2020-01-30-15-04-54.bpo-39502.chbpII.rst
View File

@ -1,2 +0,0 @@
Skip test_zipfile.test_add_file_after_2107() if :func:`time.localtime` fails
with :exc:`OverflowError`. It is the case on AIX 6.1 for example.

1
Misc/NEWS.d/next/Windows/2020-01-02-01-11-53.bpo-39185.T4herN.rst
View File

@ -1 +0,0 @@
The build.bat script has additional options for very-quiet output (-q) and very-verbose output (-vv)

5
Misc/NEWS.d/next/Windows/2020-01-11-22-53-55.bpo-38883.X7FRaN.rst
View File

@ -1,5 +0,0 @@
:meth:`~pathlib.Path.home()` and :meth:`~pathlib.Path.expanduser()` on Windows
now prefer :envvar:`USERPROFILE` and no longer use :envvar:`HOME`, which is not
normally set for regular user accounts. This makes them again behave like
:func:`os.path.expanduser`, which was changed to ignore :envvar:`HOME` in 3.8,
see :issue:`36264`.

2
Misc/NEWS.d/next/Windows/2020-01-20-23-42-53.bpo-39393.gWlJDG.rst
View File

@ -1,2 +0,0 @@
Improve the error message when attempting to load a DLL with unresolved
dependencies.

1
Misc/NEWS.d/next/Windows/2020-01-24-03-15-05.bpo-39439.sFxGfR.rst
View File

@ -1 +0,0 @@
Honor the Python path when a virtualenv is active on Windows.

4
README.rst
View File

@ -1,5 +1,5 @@
This is Python version 3.8.1
============================
This is Python version 3.8.2rc1
===============================
.. image:: https://travis-ci.org/python/cpython.svg?branch=3.8
:alt: CPython build status on Travis CI