mirror of
https://github.com/python/cpython.git
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1494 lines
34 KiB
ReStructuredText
1494 lines
34 KiB
ReStructuredText
.. date: 2025-02-25-10-25-27
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.. gh-issue: 128540
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.. nonce: QDz3OL
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.. release date: 2025-03-14
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.. section: macOS
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Ensure web browser is launched by :func:`webbrowser.open` on macOS, even for
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``file://`` URLs.
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..
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.. date: 2025-03-09-19-57-35
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.. gh-issue: 131020
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.. nonce: _c87wf
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.. section: Windows
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:source:`pylauncher <PC/launcher2.c>` correctly detects a BOM when searching
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for the shebang. Fix by Chris Eibl.
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..
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.. date: 2025-02-28-23-24-03
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.. gh-issue: 130453
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.. nonce: EK0Vk_
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.. section: Tools/Demos
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Make it possible to override default keywords in :program:`pygettext`.
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..
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.. date: 2025-02-24-21-36-23
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.. gh-issue: 85012
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.. nonce: 9K1U0E
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.. section: Tools/Demos
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Correctly reset ``msgctxt`` when compiling messages in :program:`msgfmt`.
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..
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.. date: 2025-02-22-18-08-35
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.. gh-issue: 130453
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.. nonce: njRXG8
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.. section: Tools/Demos
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Extend support for specifying custom keywords in :program:`pygettext`.
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..
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.. date: 2025-02-16-19-00-00
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.. gh-issue: 130195
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.. nonce: 19274
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.. section: Tools/Demos
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Add warning messages when ``pygettext`` unimplemented ``-a/--extract-all``
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option is called.
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..
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.. date: 2025-02-12-23-24-37
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.. gh-issue: 130057
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.. nonce: TKUKI6
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.. section: Tools/Demos
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Add support for translator comments in :program:`pygettext.py`.
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..
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.. date: 2025-02-12-14-58-54
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.. gh-issue: 130025
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.. nonce: _-mp5K
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.. section: Tools/Demos
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The iOS testbed now correctly handles symlinks used as Python framework
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references.
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..
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.. date: 2025-02-09-20-29-06
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.. gh-issue: 129911
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.. nonce: uMFtf1
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.. section: Tools/Demos
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Fix the keyword entry in the help output of :program:`pygettext`.
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..
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.. date: 2025-02-26-15-10-16
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.. gh-issue: 129200
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.. nonce: XH4TeC
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.. section: Tests
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Multiple iOS testbed runners can now be started at the same time without
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introducing an ambiguity over simulator ownership.
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..
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.. date: 2025-02-20-13-50-07
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.. gh-issue: 130292
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.. nonce: RvK2Ou
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.. section: Tests
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The iOS testbed will now run successfully on a machine that has not
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previously run Xcode tests (such as CI configurations).
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..
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.. date: 2025-02-20-13-39-12
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.. gh-issue: 130293
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.. nonce: 5igSsu
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.. section: Tests
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The tests of terminal colorization are no longer sensitive to the value of
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the ``TERM`` variable in the testing environment.
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..
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.. date: 2025-02-10-14-34-29
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.. gh-issue: 129401
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.. nonce: Cq6Ruy
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.. section: Tests
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Fix a flaky test in ``test_repr_rlock`` that checks the representation of
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:class:`multiprocessing.RLock`.
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..
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.. date: 2025-01-26-20-17-58
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.. gh-issue: 126332
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.. nonce: c0wUS-
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.. section: Tests
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Add unit tests for pyrepl.
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..
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.. date: 2024-11-28-20-29-21
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.. gh-issue: 127371
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.. nonce: PeEhUd
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.. section: Security
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Avoid unbounded buffering for
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:meth:`!tempfile.SpooledTemporaryFile.writelines`. Previously, disk
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spillover was only checked after the lines iterator had been exhausted. This
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is now done after each line is written.
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..
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.. date: 2025-03-14-09-28-13
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.. gh-issue: 131204
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.. nonce: wogNEX
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.. section: Library
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Use monospace font from System Font Stack for cross-platform support in
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:class:`difflib.HtmlDiff`.
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..
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.. date: 2025-03-13-19-53-57
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.. gh-issue: 131196
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.. nonce: 3sBFv2
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.. section: Library
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Improve performance of :attr:`uuid.UUID.hex` and :meth:`uuid.UUID.__str__
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<object.__str__>`.
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..
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.. date: 2025-03-13-07-06-22
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.. gh-issue: 130940
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.. nonce: i5cUI5
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.. section: Library
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The behavior of ``PyConfig.use_system_logger`` was modified to be enabled by
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default on iOS. It remains disabled by default on macOS.
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..
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.. date: 2025-03-11-23-58-45
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.. gh-issue: 131123
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.. nonce: WB6tPh
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.. section: Library
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Supported completions for attributes of convenience variables in :mod:`pdb`.
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..
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.. date: 2025-03-11-20-35-41
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.. gh-issue: 93096
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.. nonce: Jdt_8a
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.. section: Library
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Removed undocumented CLI ``python -m difflib``. Use ``python -m doctest
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Lib/difflib.py -v`` instead. Patch by Semyon Moroz.
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..
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.. date: 2025-03-11-08-07-07
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.. gh-issue: 93096
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.. nonce: DyPXUX
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.. section: Library
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Removed undocumented ``-t`` and ``-v`` arguments of ``python -m pickle``.
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Use ``python -m doctest Lib/pickle.py -v`` instead. Patch by Semyon Moroz.
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..
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.. date: 2025-03-10-20-23-00
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.. gh-issue: 81267
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.. nonce: a39381
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.. section: Library
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Correct :func:`time.sleep` error message when an object that cannot be
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interpreted as an integer or float is provided.
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..
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.. date: 2025-03-10-14-44-04
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.. gh-issue: 93096
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.. nonce: kmt59U
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.. section: Library
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Removed undocumented ``-t`` and ``-v`` arguments of ``python -m
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pickletools``. Use ``python -m doctest Lib/pickletools.py -v`` instead.
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Patch by Semyon Moroz.
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..
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.. date: 2025-03-10-12-26-56
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.. gh-issue: 131045
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.. nonce: s1TssJ
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.. section: Library
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Fix issue with ``__contains__``, values, and pseudo-members for
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:class:`enum.Flag`.
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..
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.. date: 2025-03-07-19-24-27
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.. gh-issue: 130959
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.. nonce: xO8vVS
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.. section: Library
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Fix pure-Python implementation of :func:`datetime.time.fromisoformat` to
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reject times with spaces in fractional part (for example, ``12:34:56.400
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+02:00``), matching the C implementation. Patch by Michał Gorny.
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..
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.. date: 2025-03-05-20-02-21
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.. gh-issue: 130806
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.. nonce: o0l2FJ
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.. section: Library
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Deleting :class:`gzip.GzipFile` before it is closed now emits a
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:exc:`ResourceWarning`.
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..
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.. date: 2025-03-01-02-19-28
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.. gh-issue: 130637
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.. nonce: swet54w4rs
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.. section: Library
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Add validation for numeric response data in poplib.POP3.stat() method
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..
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.. date: 2025-02-28-11-56-19
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.. gh-issue: 130665
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.. nonce: cfksVk
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.. section: Library
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Only apply locale to :ref:`calendar CLI <calendar-cli>` when set via
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``--locale`` and not via ``LANG`` environment variable.
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..
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.. date: 2025-02-28-01-10-14
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.. gh-issue: 130660
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.. nonce: VIThEz
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.. section: Library
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``sys.ps1`` and ``sys.ps2`` are now restored after :func:`code.interact`
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call.
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..
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.. date: 2025-02-26-21-21-08
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.. gh-issue: 130608
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.. nonce: f7ix0Y
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.. section: Library
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Remove *dirs_exist_ok* argument from :meth:`pathlib.Path.copy` and
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:meth:`~pathlib.Path.copy_into`. These methods are new in Python 3.14.
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..
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.. date: 2025-02-25-03-53-00
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.. gh-issue: 130461
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.. nonce: asr2dg
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.. section: Library
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Remove ``.. index::`` directives from the :mod:`uuid` module documentation.
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These directives previously created entries in the general index for
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:func:`~uuid.getnode` as well as the :func:`~uuid.uuid1`,
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:func:`~uuid.uuid3`, :func:`~uuid.uuid4`, :func:`~uuid.uuid5`, and
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:func:`~uuid.uuid8` constructor functions.
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..
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.. date: 2025-02-24-14-46-20
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.. gh-issue: 130379
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.. nonce: lsef7A
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.. section: Library
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The zipapp module now calculates the list of files to be added to the
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archive before creating the archive. This avoids accidentally including the
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target when it is being created in the source directory.
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..
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.. date: 2025-02-24-01-49-11
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.. gh-issue: 82987
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.. nonce: vHfQlG
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.. section: Library
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Inline breakpoints like :func:`breakpoint` or :func:`pdb.set_trace` will
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always stop the program at calling frame, ignoring the ``skip`` pattern (if
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any).
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..
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.. date: 2025-02-22-19-44-00
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.. gh-issue: 125377
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.. nonce: LFTK0H
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.. section: Library
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``<tab>`` at the beginning of the line in :mod:`pdb` multi-line input will
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fill in a 4-space indentation now, instead of inserting a ``\t`` character.
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..
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.. date: 2025-02-21-21-50-21
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.. gh-issue: 125413
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.. nonce: DEAD0L
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.. section: Library
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Ensure the path returned from :meth:`pathlib.Path.copy` or
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:meth:`~pathlib.Path.move` has fresh :attr:`~pathlib.Path.info`.
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..
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.. date: 2025-02-21-20-22-45
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.. gh-issue: 65697
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.. nonce: BLxt6y
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.. section: Library
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stdlib configparser will now attempt to validate that keys it writes will
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not result in file corruption (creating a file unable to be accurately
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parsed by a future read() call from the same parser). Attempting a
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corrupting write() will raise an InvalidWriteError.
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..
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.. date: 2025-02-21-20-16-32
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.. gh-issue: 125413
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.. nonce: YJ7Msf
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.. section: Library
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Speed up :meth:`Path.copy <pathlib.Path.copy>` by making better use of
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:attr:`~pathlib.Path.info` internally.
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..
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.. date: 2025-02-21-10-32-05
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.. gh-issue: 130285
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.. nonce: C0fkh7
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.. section: Library
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Fix corner case for :func:`random.sample` allowing the *counts* parameter to
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specify an empty population. So now, ``sample([], 0, counts=[])`` and
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``sample('abc', k=0, counts=[0, 0, 0])`` both give the same result as
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``sample([], 0)``.
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..
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.. date: 2025-02-21-09-05-44
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.. gh-issue: 124703
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.. nonce: AMJD4Y
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.. section: Library
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Executing ``quit`` command in :mod:`pdb` will raise :exc:`bdb.BdbQuit` when
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:mod:`pdb` is started from an interactive console using :func:`breakpoint`
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or :func:`pdb.set_trace`.
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..
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.. date: 2025-02-19-20-29-33
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.. gh-issue: 107773
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.. nonce: 7y6Ug2
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.. section: Library
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Make :mod:`datetime` subclass :meth:`~object.__repr__` consistent both
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implementations. Patch by Semyon Moroz.
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..
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.. date: 2025-02-19-19-29-19
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.. gh-issue: 130250
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.. nonce: T00tql
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.. section: Library
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Fix regression in ``traceback.print_last()``.
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..
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.. date: 2025-02-19-08-06-37
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.. gh-issue: 123471
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.. nonce: br7uyR
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.. section: Library
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Make concurrent iterations over :class:`itertools.batched` safe under
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free-threading.
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..
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.. date: 2025-02-19-01-29-16
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.. gh-issue: 57537
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.. nonce: 4tdVuK
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.. section: Library
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Support breakpoints for :mod:`zipimport` modules on :mod:`pdb`
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..
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.. date: 2025-02-17-21-16-51
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.. gh-issue: 130230
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.. nonce: 9ta9P9
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.. section: Library
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Fix crash in :func:`pow` with only :class:`~decimal.Decimal` third argument.
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..
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.. date: 2025-02-17-21-01-25
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.. gh-issue: 126944
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.. nonce: 49YTHZ
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.. section: Library
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Show explicit errors when required arguments of :mod:`pdb` commands are
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missing
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..
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.. date: 2025-02-17-12-36-39
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.. gh-issue: 127750
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.. nonce: ZC-hBq
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.. section: Library
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Improve repr of :class:`functools.singledispatchmethod` methods and
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descriptors.
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..
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.. date: 2025-02-16-18-13-40
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.. gh-issue: 128520
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.. nonce: iZtOMz
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.. section: Library
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Apply type conversion consistently in :class:`pathlib.PurePath` and
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:class:`~pathlib.Path` methods can accept a path object as an argument, such
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as :meth:`~pathlib.PurePath.match` and :meth:`~pathlib.Path.rename`. The
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argument is now converted to path object if it lacks a
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:meth:`~pathlib.PurePath.with_segments` attribute, and not otherwise.
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..
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.. date: 2025-02-16-10-12-27
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.. gh-issue: 118761
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.. nonce: TNw5ZC
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.. section: Library
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Reverts a change in the previous release attempting to make some stdlib
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imports used within the :mod:`subprocess` module lazy as this was causing
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errors during ``__del__`` finalizers calling methods such as ``terminate``,
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or ``kill``, or ``send_signal``.
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..
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.. date: 2025-02-16-08-56-48
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.. gh-issue: 130164
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.. nonce: vvoaU2
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.. section: Library
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Fixed failure to raise :exc:`TypeError` in :meth:`inspect.Signature.bind`
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for positional-only arguments provided by keyword when a variadic keyword
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argument (e.g. ``**kwargs``) is present.
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..
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.. date: 2025-02-15-12-36-49
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.. gh-issue: 130151
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.. nonce: 3IFumF
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.. section: Library
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Fix reference leaks in :func:`!_hashlib.hmac_new` and
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:func:`!_hashlib.hmac_digest`. Patch by Bénédikt Tran.
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..
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.. date: 2025-02-15-07-50-37
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.. gh-issue: 130145
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.. nonce: I0CkV0
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.. section: Library
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Fix :meth:`!asyncio.AbstractEventloop.run_forever` when another loop is
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already running.
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..
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.. date: 2025-02-15-01-37-47
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.. gh-issue: 130139
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.. nonce: gntc7B
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.. section: Library
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Fix bug where :func:`ast.parse` did not error on AST input which is not of
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the correct type, when called with optimize=False.
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..
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.. date: 2025-02-14-23-38-03
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.. gh-issue: 127260
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.. nonce: dXQ8P0
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.. section: Library
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Forbid the use of colon (":") as a fractional component separator and other
|
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improvements to the consistency of error raising between the C and Python
|
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implementations of :meth:`datetime.time.fromisoformat` and
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:meth:`datetime.datetime.fromisoformat`. Patch by Semyon Moroz.
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..
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.. date: 2025-02-13-15-10-56
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.. gh-issue: 85795
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.. nonce: jeXXI9
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.. section: Library
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Using :func:`super` and ``__class__`` :term:`closure variable` in
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user-defined methods of :class:`typing.NamedTuple` subclasses is now
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explicitly prohibited at runtime. Contributed by Bartosz Sławecki in
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:gh:`130082`.
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..
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.. date: 2025-02-13-02-03-38
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.. gh-issue: 118761
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.. nonce: le_qEg
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.. section: Library
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Improve import time of :mod:`cmd` by lazy importing :mod:`inspect` and
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removing :mod:`string`. Patch by Semyon Moroz.
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..
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.. date: 2025-02-12-12-38-24
|
|
.. gh-issue: 129726
|
|
.. nonce: jB0sxu
|
|
.. section: Library
|
|
|
|
Fix :class:`gzip.GzipFile` raising an unraisable exception during garbage
|
|
collection when referring to a temporary object by breaking the reference
|
|
loop with :mod:`weakref`.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-11-18-37-26
|
|
.. gh-issue: 127750
|
|
.. nonce: 41SDhF
|
|
.. section: Library
|
|
|
|
Remove broken :func:`functools.singledispatchmethod` caching introduced in
|
|
:gh:`85160`. Achieve the same performance using different optimization.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-11-06-42-17
|
|
.. gh-issue: 129948
|
|
.. nonce: ZcugY9
|
|
.. section: Library
|
|
|
|
Add support for shared :class:`set` to
|
|
:class:`multiprocessing.managers.SyncManager` via :meth:`SyncManager.set()
|
|
<multiprocessing.managers.SyncManager.set>`.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-10-19-16-48
|
|
.. gh-issue: 129965
|
|
.. nonce: B6wik0
|
|
.. section: Library
|
|
|
|
Update MIME types for ``.avi`` and ``.wav``. Add MIME types for ``.docx``,
|
|
``.pptx``, ``.xlsx``, ``.epub``, ``.flac``, ``.m4a``, ``.odg``, ``.odp``,
|
|
``.ods``, ``.odt``, ``.oga``, ``.ogg``, ``.ogx`` and ``.weba``. Patch by
|
|
Hugo van Kemenade.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-10-09-45-49
|
|
.. gh-issue: 129889
|
|
.. nonce: PBHXU5
|
|
.. section: Library
|
|
|
|
Support context manager protocol by :class:`contextvars.Token`. Patch by
|
|
Andrew Svetlov.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-08-15-13-43
|
|
.. gh-issue: 97850
|
|
.. nonce: jQ0CvW
|
|
.. section: Library
|
|
|
|
Update the deprecation warning of :meth:`importlib.abc.Loader.load_module`.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-05-15-17-31
|
|
.. gh-issue: 129678
|
|
.. nonce: GIUrmV
|
|
.. section: Library
|
|
|
|
:class:`configparser.ConfigParser`: do not write an empty unnamed section
|
|
|
|
..
|
|
|
|
.. date: 2025-02-02-23-47-35
|
|
.. gh-issue: 128641
|
|
.. nonce: GFs673
|
|
.. section: Library
|
|
|
|
Restore :meth:`configparser.ConfigParser.read` performance.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-02-16-30-27
|
|
.. gh-issue: 129569
|
|
.. nonce: i0kPOG
|
|
.. section: Library
|
|
|
|
Fix :func:`unicodedata.normalize` to always return a built-in :class:`str`
|
|
object when given an input of a :class:`str` subclass, regardless of whether
|
|
the string is already normalized.
|
|
|
|
..
|
|
|
|
.. date: 2025-01-30-22-49-42
|
|
.. gh-issue: 128231
|
|
.. nonce: SuEC18
|
|
.. section: Library
|
|
|
|
Execution of multiple statements in the new REPL now stops immediately upon
|
|
the first exception encountered. Patch by Bartosz Sławecki.
|
|
|
|
..
|
|
|
|
.. date: 2025-01-26-19-35-06
|
|
.. gh-issue: 96092
|
|
.. nonce: mMg3gL
|
|
.. section: Library
|
|
|
|
Fix bug in :func:`traceback.walk_stack` called with None where it was
|
|
skipping more frames than in prior versions. This bug fix also changes
|
|
walk_stack to walk the stack in the frame where it was called rather than
|
|
where it first gets used.
|
|
|
|
..
|
|
|
|
.. date: 2025-01-26-15-35-53
|
|
.. gh-issue: 129288
|
|
.. nonce: wB3uxU
|
|
.. section: Library
|
|
|
|
Add optional ``l2_cid`` and ``l2_bdaddr_type`` fields to :mod:`socket`
|
|
``BTPROTO_L2CAP`` sockaddr tuple.
|
|
|
|
..
|
|
|
|
.. date: 2025-01-15-12-04-30
|
|
.. gh-issue: 128703
|
|
.. nonce: 6WPf38
|
|
.. section: Library
|
|
|
|
Fix :func:`mimetypes.guess_type` to use default mapping for empty
|
|
``Content-Type`` in registry.
|
|
|
|
..
|
|
|
|
.. date: 2025-01-08-15-14-17
|
|
.. gh-issue: 128647
|
|
.. nonce: GabglU
|
|
.. section: Library
|
|
|
|
Eagerly write to buffers passed to :class:`gzip.GzipFile`'s
|
|
:meth:`~io.BufferedIOBase.readinto` and :meth:`~io.BufferedIOBase.readinto1`
|
|
implementations, avoiding unnecessary allocations. Patch by Chris
|
|
Markiewicz.
|
|
|
|
..
|
|
|
|
.. date: 2024-12-23-17-00-35
|
|
.. gh-issue: 128184
|
|
.. nonce: cRQvgM
|
|
.. section: Library
|
|
|
|
Improve display of :class:`annotationlib.ForwardRef` object within
|
|
:class:`inspect.Signature` representations. This also fixes a
|
|
:exc:`NameError` that was raised when using :func:`dataclasses.dataclass` on
|
|
classes with unresolvable forward references.
|
|
|
|
..
|
|
|
|
.. date: 2024-12-17-18-53-21
|
|
.. gh-issue: 128041
|
|
.. nonce: W96kAr
|
|
.. section: Library
|
|
|
|
Add :meth:`concurrent.futures.ProcessPoolExecutor.terminate_workers` and
|
|
:meth:`concurrent.futures.ProcessPoolExecutor.kill_workers` as ways to
|
|
terminate or kill all living worker processes in the given pool.
|
|
(Contributed by Charles Machalow in :gh:`130849`.)
|
|
|
|
..
|
|
|
|
.. date: 2024-12-05-19-54-16
|
|
.. gh-issue: 127647
|
|
.. nonce: Xd78Vs
|
|
.. section: Library
|
|
|
|
Add protocols :class:`io.Reader` and :class:`io.Writer` as alternatives to
|
|
:class:`typing.IO`, :class:`typing.TextIO`, and :class:`typing.BinaryIO`.
|
|
|
|
..
|
|
|
|
.. date: 2024-11-27-23-29-05
|
|
.. gh-issue: 109798
|
|
.. nonce: OPj1CT
|
|
.. section: Library
|
|
|
|
Added additional information into error messages in :mod:`datetime`, and
|
|
made the messages more consistent between the C and Python implementations.
|
|
Patch by Semyon Moroz.
|
|
|
|
..
|
|
|
|
.. date: 2024-10-20-13-01-05
|
|
.. gh-issue: 125746
|
|
.. nonce: wDLTay
|
|
.. section: Library
|
|
|
|
Delay deprecated :meth:`zipimport.zipimporter.load_module` removal time to
|
|
3.15. Use :meth:`zipimport.zipimporter.exec_module` instead.
|
|
|
|
..
|
|
|
|
.. date: 2024-10-18-10-27-54
|
|
.. gh-issue: 74028
|
|
.. nonce: 4d4vVD
|
|
.. section: Library
|
|
|
|
Add the optional ``buffersize`` parameter to
|
|
:meth:`concurrent.futures.Executor.map` to limit the number of submitted
|
|
tasks whose results have not yet been yielded. If the buffer is full,
|
|
iteration over the *iterables* pauses until a result is yielded from the
|
|
buffer.
|
|
|
|
..
|
|
|
|
.. date: 2024-10-05-13-25-07
|
|
.. gh-issue: 124927
|
|
.. nonce: uzNA32
|
|
.. section: Library
|
|
|
|
Non-printing characters are now properly handled in the new REPL.
|
|
|
|
..
|
|
|
|
.. date: 2024-09-16-17-03-52
|
|
.. gh-issue: 124096
|
|
.. nonce: znin0O
|
|
.. section: Library
|
|
|
|
Turn on virtual terminal mode and enable bracketed paste in REPL on Windows
|
|
console. (If the terminal does not support bracketed paste, enabling it does
|
|
nothing.)
|
|
|
|
..
|
|
|
|
.. date: 2024-06-28-11-27-25
|
|
.. gh-issue: 89083
|
|
.. nonce: DKL_Sk
|
|
.. section: Library
|
|
|
|
Add :func:`uuid.uuid7` for generating UUIDv7 objects as specified in
|
|
:rfc:`9562`. Patch by Bénédikt Tran.
|
|
|
|
..
|
|
|
|
.. date: 2024-06-17-17-31-27
|
|
.. gh-issue: 89083
|
|
.. nonce: nW00Yq
|
|
.. section: Library
|
|
|
|
Add :func:`uuid.uuid6` for generating UUIDv6 objects as specified in
|
|
:rfc:`9562`. Patch by Bénédikt Tran.
|
|
|
|
..
|
|
|
|
.. date: 2024-04-30-14-03-09
|
|
.. gh-issue: 117151
|
|
.. nonce: yt2H8c
|
|
.. section: Library
|
|
|
|
Increase ``io.DEFAULT_BUFFER_SIZE`` from 8k to 128k and adjust :func:`open`
|
|
on platforms where :meth:`os.fstat` provides a ``st_blksize`` field (such as
|
|
Linux) to use ``max(min(blocksize, 8 MiB), io.DEFAULT_BUFFER_SIZE)`` rather
|
|
than always using the device block size. This should improve I/O
|
|
performance. Patch by Romain Morotti.
|
|
|
|
..
|
|
|
|
.. date: 2023-06-08-07-56-05
|
|
.. gh-issue: 105499
|
|
.. nonce: 7jV6cP
|
|
.. section: Library
|
|
|
|
Make :class:`types.UnionType` an alias for :class:`typing.Union`. Both ``int
|
|
| str`` and ``Union[int, str]`` now create instances of the same type. Patch
|
|
by Jelle Zijlstra.
|
|
|
|
..
|
|
|
|
.. date: 2022-05-28-19-41-02
|
|
.. gh-issue: 93096
|
|
.. nonce: qjUyRG
|
|
.. section: Library
|
|
|
|
Document the command-line for :mod:`mimetypes`. It now exits with ``1`` on
|
|
failure instead of ``0`` and ``2`` on incorrect command-line parameters
|
|
instead of ``1``. Also, errors are printed to stderr instead of stdout and
|
|
their text is made tighter. Patch by Oleg Iarygin and Hugo van Kemenade.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-22-02-24-39
|
|
.. gh-issue: 125722
|
|
.. nonce: zDIUFV
|
|
.. section: Documentation
|
|
|
|
Require Sphinx 8.2.0 or later to build the Python documentation. Patch by
|
|
Adam Turner.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-21-08-44-31
|
|
.. gh-issue: 129712
|
|
.. nonce: 4AcfWQ
|
|
.. section: Documentation
|
|
|
|
The wheel tags supported by each macOS universal SDK option are now
|
|
documented.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-16-14-57-00
|
|
.. gh-issue: 46236
|
|
.. nonce: 2HuS4S
|
|
.. section: Documentation
|
|
|
|
C API: Document :c:func:`PyUnicode_RSplit`, :c:func:`PyUnicode_Partition`
|
|
and :c:func:`PyUnicode_RPartition`.
|
|
|
|
..
|
|
|
|
.. date: 2025-03-12-11-19-46
|
|
.. gh-issue: 131141
|
|
.. nonce: tQz594
|
|
.. section: Core and Builtins
|
|
|
|
Fix data race in :data:`sys.monitoring` instrumentation while registering
|
|
callback.
|
|
|
|
..
|
|
|
|
.. date: 2025-03-10-21-46-37
|
|
.. gh-issue: 130804
|
|
.. nonce: 0PpcTx
|
|
.. section: Core and Builtins
|
|
|
|
Fix support of unicode characters on Windows in the new REPL.
|
|
|
|
..
|
|
|
|
.. date: 2025-03-06-22-56-02
|
|
.. gh-issue: 130932
|
|
.. nonce: QVHaKT
|
|
.. section: Core and Builtins
|
|
|
|
Fix incorrect exception handling in ``_PyModule_IsPossiblyShadowing``
|
|
|
|
..
|
|
|
|
.. date: 2025-03-05-21-52-20
|
|
.. gh-issue: 122029
|
|
.. nonce: d_z93q
|
|
.. section: Core and Builtins
|
|
|
|
:func:`sys.setprofile` and :func:`sys.settrace` will not generate a
|
|
``c_call`` event for ``INSTRUMENTED_CALL_FUNCTION_EX`` if the callable is a
|
|
method with a C function wrapped, because we do not generate ``c_return``
|
|
event in such case.
|
|
|
|
..
|
|
|
|
.. date: 2025-03-05-15-19-21
|
|
.. gh-issue: 129964
|
|
.. nonce: jqu89w
|
|
.. section: Core and Builtins
|
|
|
|
Fix JIT crash on Windows on Arm. Patch by Diego Russo and Brandt Bucher.
|
|
|
|
..
|
|
|
|
.. date: 2025-03-04-20-33-28
|
|
.. gh-issue: 130851
|
|
.. nonce: MT9j7n
|
|
.. section: Core and Builtins
|
|
|
|
Fix a crash in the :term:`free threading` build when constructing a
|
|
:class:`code` object with :attr:`~codeobject.co_consts` that contains
|
|
instances of types that are not otherwise generated by the bytecode
|
|
compiler.
|
|
|
|
..
|
|
|
|
.. date: 2025-03-04-15-12-32
|
|
.. gh-issue: 128534
|
|
.. nonce: 3A0K3D
|
|
.. section: Core and Builtins
|
|
|
|
Ensure that both left and right branches have the same source for ``async
|
|
for`` loops. Add these branches to the ``co_branches()`` iterator.
|
|
|
|
..
|
|
|
|
.. date: 2025-03-03-20-33-44
|
|
.. gh-issue: 130794
|
|
.. nonce: LwtGQc
|
|
.. section: Core and Builtins
|
|
|
|
Fix memory leak in the :term:`free threaded <free threading>` build when
|
|
resizing a shared list or dictionary from multiple short-lived threads.
|
|
|
|
..
|
|
|
|
.. date: 2025-03-03-01-21-04
|
|
.. gh-issue: 130415
|
|
.. nonce: ibOV6B
|
|
.. section: Core and Builtins
|
|
|
|
Improve JIT understanding of integers in boolean context.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-28-16-13-02
|
|
.. gh-issue: 130382
|
|
.. nonce: 66VTmy
|
|
.. section: Core and Builtins
|
|
|
|
Fix ``PyRefTracer_DESTROY`` not being sent from :file:`Python/ceval.c`
|
|
``Py_DECREF()``.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-28-13-34-51
|
|
.. gh-issue: 130574
|
|
.. nonce: ujr3Vx
|
|
.. section: Core and Builtins
|
|
|
|
Renumber :opcode:`RESUME` from 149 to 128.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-27-18-48-42
|
|
.. gh-issue: 124878
|
|
.. nonce: DS0MIL
|
|
.. section: Core and Builtins
|
|
|
|
Fix race conditions during runtime finalization that could lead to accessing
|
|
freed memory.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-27-17-05-05
|
|
.. gh-issue: 130415
|
|
.. nonce: iijvfW
|
|
.. section: Core and Builtins
|
|
|
|
Improve the experimental JIT's ability to narrow boolean values based on the
|
|
results of truthiness tests.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-27-15-07-06
|
|
.. gh-issue: 130618
|
|
.. nonce: JTcsRB
|
|
.. section: Core and Builtins
|
|
|
|
Fix a bug that was causing ``UnicodeDecodeError`` or ``SystemError`` to be
|
|
raised when using f-strings with ``lambda`` expressions with non-ASCII
|
|
characters. Patch by Pablo Galindo
|
|
|
|
..
|
|
|
|
.. date: 2025-02-27-10-47-09
|
|
.. gh-issue: 123044
|
|
.. nonce: 8182Un
|
|
.. section: Core and Builtins
|
|
|
|
Make sure that the location of branch targets in ``match`` cases is in the
|
|
body, not the pattern.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-26-10-32-48
|
|
.. gh-issue: 128534
|
|
.. nonce: JEiQex
|
|
.. section: Core and Builtins
|
|
|
|
Add branch monitoring (``BRANCH_LEFT`` and ``BRANCH_RIGHT`` events) for
|
|
``async for`` loops.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-24-14-25-36
|
|
.. gh-issue: 130163
|
|
.. nonce: rGpc9v
|
|
.. section: Core and Builtins
|
|
|
|
Fix possible crashes related to concurrent change and use of the :mod:`sys`
|
|
module attributes.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-23-20-48-31
|
|
.. gh-issue: 122029
|
|
.. nonce: iW8GvA
|
|
.. section: Core and Builtins
|
|
|
|
``INSTRUMENTED_CALL_KW`` will expand the method before monitoring to reflect
|
|
the actual behavior more accurately.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-22-22-49-00
|
|
.. gh-issue: 130415
|
|
.. nonce: WyxBYS
|
|
.. section: Core and Builtins
|
|
|
|
Improve JIT's ability to optimize strings in boolean contexts.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-21-11-12-41
|
|
.. gh-issue: 130396
|
|
.. nonce: SIenSP
|
|
.. section: Core and Builtins
|
|
|
|
Use actual stack limits (from :manpage:`pthread_getattr_np(3)`) for linux,
|
|
and other systems with ``_GNU_SOURCE`` defined, when determining limits for
|
|
C stack protection.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-17-18-59-33
|
|
.. gh-issue: 128396
|
|
.. nonce: iVtoYY
|
|
.. section: Core and Builtins
|
|
|
|
Fix a crash that occurs when calling :func:`locals` inside an inline
|
|
comprehension that uses the same local variable as the outer frame scope
|
|
where the variable is a free or cell var.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-17-15-32-26
|
|
.. gh-issue: 129107
|
|
.. nonce: fPPBLw
|
|
.. section: Core and Builtins
|
|
|
|
Fix two more :class:`bytearray` functions for :term:`free threading`.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-17-12-48-00
|
|
.. gh-issue: 127705
|
|
.. nonce: Qad2hx
|
|
.. section: Core and Builtins
|
|
|
|
Use tagged references (``_PyStackRef``) for the default build as well as for
|
|
the free-threading build. This has a small negative performance impact
|
|
short-term but will enable larger speedups in the future and significantly
|
|
reduce maintenance costs by allowing a single implementation of tagged
|
|
references in the future.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-14-00-32-52
|
|
.. gh-issue: 130094
|
|
.. nonce: m3EF9E
|
|
.. section: Core and Builtins
|
|
|
|
Fix two race conditions involving concurrent imports that could lead to
|
|
spurious failures with :exc:`ModuleNotFoundError`.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-13-20-42-53
|
|
.. gh-issue: 129107
|
|
.. nonce: _olg-L
|
|
.. section: Core and Builtins
|
|
|
|
Make :class:`bytearray` iterator safe under :term:`free threading`.
|
|
|
|
..
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|
|
|
.. date: 2025-02-13-12-31-53
|
|
.. gh-issue: 115802
|
|
.. nonce: 0kN4xM
|
|
.. section: Core and Builtins
|
|
|
|
Use the more efficient "medium" code model for JIT-compiled code on
|
|
supported platforms.
|
|
|
|
..
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|
|
|
.. date: 2025-02-13-02-39-42
|
|
.. gh-issue: 107956
|
|
.. nonce: dLguDW
|
|
.. section: Core and Builtins
|
|
|
|
A ``build-details.json`` file is now install in the platform-independent
|
|
standard library directory (:pep:`739` implementation).
|
|
|
|
..
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|
|
|
.. date: 2025-02-13-00-28-43
|
|
.. gh-issue: 116042
|
|
.. nonce: 861juq
|
|
.. section: Core and Builtins
|
|
|
|
Fix location for SyntaxErrors of invalid escapes in the tokenizer. Patch by
|
|
Pablo Galindo
|
|
|
|
..
|
|
|
|
.. date: 2025-02-12-12-44-36
|
|
.. gh-issue: 91079
|
|
.. nonce: 8Nq08d
|
|
.. section: Core and Builtins
|
|
|
|
Change C stack overflow protection to consider the amount of stack consumed,
|
|
rather than a counter. This allows deeper recursion in many cases, but
|
|
remains safe.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-11-22-20-21
|
|
.. gh-issue: 129715
|
|
.. nonce: mopO8n
|
|
.. section: Core and Builtins
|
|
|
|
Improve the experimental JIT's handling of returns to unknown callers.
|
|
|
|
..
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|
|
|
.. date: 2025-02-11-20-38-37
|
|
.. gh-issue: 129983
|
|
.. nonce: _1Fujo
|
|
.. section: Core and Builtins
|
|
|
|
Fix data race in compile_template in :file:`sre.c`.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-10-20-01-56
|
|
.. gh-issue: 129967
|
|
.. nonce: J60tEl
|
|
.. section: Core and Builtins
|
|
|
|
Fix a race condition in the :term:`free threading` build when ``repr(set)``
|
|
is called concurrently with ``set.clear()``.
|
|
|
|
..
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|
|
|
.. date: 2025-02-10-11-30-13
|
|
.. gh-issue: 129953
|
|
.. nonce: wipsl_
|
|
.. section: Core and Builtins
|
|
|
|
The internal (evaluation) stack is now spilled to memory whenever execution
|
|
escapes from the interpreter or JIT compiled code. This should have no
|
|
observable effect in either Python or builtin extensions, but will allow
|
|
various important optimizations in the future.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-09-11-30-38
|
|
.. gh-issue: 129515
|
|
.. nonce: 3L3vmo
|
|
.. section: Core and Builtins
|
|
|
|
Clarify syntax error messages for conditional expressions when a statement
|
|
is specified before an :keyword:`if` or after an :keyword:`else` keyword.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-08-09-55-33
|
|
.. gh-issue: 129349
|
|
.. nonce: PkcG-l
|
|
.. section: Core and Builtins
|
|
|
|
:meth:`bytes.fromhex` and :meth:`bytearray.fromhex` now accepts ASCII
|
|
:class:`bytes` and :term:`bytes-like objects <bytes-like object>`.
|
|
|
|
..
|
|
|
|
.. date: 2025-01-25-20-07-03
|
|
.. gh-issue: 129149
|
|
.. nonce: njeFJi
|
|
.. section: Core and Builtins
|
|
|
|
Add fast path for medium-size integers in :c:func:`PyLong_FromSsize_t`.
|
|
Patch by Chris Eibl.
|
|
|
|
..
|
|
|
|
.. date: 2025-01-20-23-34-14
|
|
.. gh-issue: 129107
|
|
.. nonce: T5gBva
|
|
.. section: Core and Builtins
|
|
|
|
Make the :type:`bytearray` safe under :term:`free threading`.
|
|
|
|
..
|
|
|
|
.. date: 2025-01-18-10-50-04
|
|
.. gh-issue: 128974
|
|
.. nonce: KltI-A
|
|
.. section: Core and Builtins
|
|
|
|
Fix a crash in :meth:`UnicodeError.__str__ <object.__str__>` when custom
|
|
attributes implement :meth:`~object.__str__` with side-effects. Patch by
|
|
Bénédikt Tran.
|
|
|
|
..
|
|
|
|
.. date: 2024-12-15-16-56-26
|
|
.. gh-issue: 126085
|
|
.. nonce: BvyEXk
|
|
.. section: Core and Builtins
|
|
|
|
:class:`typing.TypeAliasType` now supports star unpacking.
|
|
|
|
..
|
|
|
|
.. date: 2024-10-29-23-30-35
|
|
.. gh-issue: 125331
|
|
.. nonce: quKQ7V
|
|
.. section: Core and Builtins
|
|
|
|
``from __future__ import barry_as_FLUFL`` now works in more contexts,
|
|
including when it is used in files, with the ``-c`` flag, and in the REPL
|
|
when there are multiple statements on the same line. Previously, it worked
|
|
only on subsequent lines in the REPL, and when the appropriate flags were
|
|
passed directly to :func:`compile`. Patch by Pablo Galindo.
|
|
|
|
..
|
|
|
|
.. date: 2024-10-19-20-22-19
|
|
.. gh-issue: 121464
|
|
.. nonce: IHwfpK
|
|
.. section: Core and Builtins
|
|
|
|
Make concurrent iterations over the same :func:`enumerate` iterator safe
|
|
under free-threading. See `Strategy for Iterators in Free Threading
|
|
<https://github.com/python/cpython/issues/124397>`_.
|
|
|
|
..
|
|
|
|
.. date: 2024-10-11-10-41-05
|
|
.. gh-issue: 87790
|
|
.. nonce: mlfEGl
|
|
.. section: Core and Builtins
|
|
|
|
Support underscore and comma as thousands separators in the fractional part
|
|
for floating-point presentation types of the new-style string formatting
|
|
(with :func:`format` or :ref:`f-strings`). Patch by Sergey B Kirpichev.
|
|
|
|
..
|
|
|
|
.. date: 2024-09-25-13-45-01
|
|
.. gh-issue: 124445
|
|
.. nonce: zfsD7q
|
|
.. section: Core and Builtins
|
|
|
|
Fix specialization of generic aliases that are generic over a
|
|
:class:`typing.ParamSpec` and have been specialized with a nested type
|
|
variable.
|
|
|
|
..
|
|
|
|
.. date: 2024-06-24-20-08-55
|
|
.. gh-issue: 120608
|
|
.. nonce: d75n8U
|
|
.. section: Core and Builtins
|
|
|
|
Adapt :func:`reversed` for use in the free-threading build. The
|
|
:func:`reversed` is still not thread-safe in the sense that concurrent
|
|
iterations may see the same object, but they will not corrupt the
|
|
interpreter state.
|
|
|
|
..
|
|
|
|
.. date: 2022-12-21-14-28-01
|
|
.. gh-issue: 100388
|
|
.. nonce: vne8ky
|
|
.. section: Core and Builtins
|
|
|
|
Fix the ``platform._sys_version()`` method when ``__DATE__`` is undefined at
|
|
buildtime by changing default buildtime datetime string to the UNIX epoch.
|
|
|
|
..
|
|
|
|
.. bpo: 44369
|
|
.. date: 2021-06-09-23-04-58
|
|
.. nonce: R7QkFv
|
|
.. section: Core and Builtins
|
|
|
|
Improve syntax errors for incorrectly closed strings. Patch by Pablo Galindo
|
|
|
|
..
|
|
|
|
.. date: 2025-03-12-08-29-23
|
|
.. gh-issue: 111178
|
|
.. nonce: Jny_YJ
|
|
.. section: C API
|
|
|
|
Fix :c:type:`PyCMethod` API: replace ``size_t nargs`` with ``Py_ssize_t
|
|
nargs`` in :c:type:`PyCMethod`. Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. date: 2025-03-07-14-49-06
|
|
.. gh-issue: 130947
|
|
.. nonce: _Pw0IX
|
|
.. section: C API
|
|
|
|
Add again :c:func:`PySequence_Fast` to the limited C API. Patch by Victor
|
|
Stinner.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-19-14-41-26
|
|
.. gh-issue: 128863
|
|
.. nonce: TELwyV
|
|
.. section: C API
|
|
|
|
The following private functions are deprecated and planned for removal in
|
|
Python 3.18:
|
|
|
|
* :c:func:`!_PyUnicodeWriter_Init`:
|
|
replace ``_PyUnicodeWriter_Init(&writer)`` with
|
|
:c:func:`writer = PyUnicodeWriter_Create(0) <PyUnicodeWriter_Create>`.
|
|
* :c:func:`!_PyUnicodeWriter_Finish`:
|
|
replace ``_PyUnicodeWriter_Finish(&writer)`` with
|
|
:c:func:`PyUnicodeWriter_Finish(writer) <PyUnicodeWriter_Finish>`.
|
|
* :c:func:`!_PyUnicodeWriter_Dealloc`:
|
|
replace ``_PyUnicodeWriter_Dealloc(&writer)`` with
|
|
:c:func:`PyUnicodeWriter_Discard(writer) <PyUnicodeWriter_Discard>`.
|
|
* :c:func:`!_PyUnicodeWriter_WriteChar`:
|
|
replace ``_PyUnicodeWriter_WriteChar(&writer, ch)`` with
|
|
:c:func:`PyUnicodeWriter_WriteChar(writer, ch) <PyUnicodeWriter_WriteChar>`.
|
|
* :c:func:`!_PyUnicodeWriter_WriteStr`:
|
|
replace ``_PyUnicodeWriter_WriteStr(&writer, str)`` with
|
|
:c:func:`PyUnicodeWriter_WriteStr(writer, str) <PyUnicodeWriter_WriteStr>`.
|
|
* :c:func:`!_PyUnicodeWriter_WriteSubstring`:
|
|
replace ``_PyUnicodeWriter_WriteSubstring(&writer, str, start, end)`` with
|
|
:c:func:`PyUnicodeWriter_WriteSubstring(writer, str, start, end) <PyUnicodeWriter_WriteSubstring>`.
|
|
* :c:func:`!_PyUnicodeWriter_WriteASCIIString`:
|
|
replace ``_PyUnicodeWriter_WriteASCIIString(&writer, str)`` with
|
|
:c:func:`PyUnicodeWriter_WriteUTF8(writer, str) <PyUnicodeWriter_WriteUTF8>`.
|
|
* :c:func:`!_PyUnicodeWriter_WriteLatin1String`:
|
|
replace ``_PyUnicodeWriter_WriteLatin1String(&writer, str)`` with
|
|
:c:func:`PyUnicodeWriter_WriteUTF8(writer, str) <PyUnicodeWriter_WriteUTF8>`.
|
|
* :c:func:`!_PyUnicodeWriter_Prepare`: (no replacement).
|
|
* :c:func:`!_PyUnicodeWriter_PrepareKind`: (no replacement).
|
|
|
|
The `pythoncapi-compat project
|
|
<https://github.com/python/pythoncapi-compat/>`__ can be used to get these
|
|
new public functions on Python 3.13 and older.
|
|
|
|
Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-13-00-57-05
|
|
.. gh-issue: 45325
|
|
.. nonce: Cwif9z
|
|
.. section: C API
|
|
|
|
Add a new ``p`` format parameter to :c:func:`Py_BuildValue` that allows to
|
|
take a C integer and produce a Python :class:`bool` object. Patch by Pablo
|
|
Galindo.
|
|
|
|
..
|
|
|
|
.. date: 2025-03-10-10-52-25
|
|
.. gh-issue: 131035
|
|
.. nonce: KF1w4j
|
|
.. section: Build
|
|
|
|
Use ``-flto=thin`` for faster build times using clang-cl on Windows. Patch
|
|
by Chris Eibl.
|
|
|
|
..
|
|
|
|
.. date: 2025-03-01-18-27-42
|
|
.. gh-issue: 130740
|
|
.. nonce: nDFSHR
|
|
.. section: Build
|
|
|
|
Ensure that ``Python.h`` is included before ``stdbool.h`` unless
|
|
``pyconfig.h`` is included before or in some platform-specific contexts.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-13-19-21-41
|
|
.. gh-issue: 130090
|
|
.. nonce: 3ngJaV
|
|
.. section: Build
|
|
|
|
Building with ``PlatformToolset=ClangCL`` on Windows now supports PGO
|
|
(profile guided optimization). Patch by Chris Eibl with invaluable support
|
|
from Steve Dover.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-11-08-06-44
|
|
.. gh-issue: 129819
|
|
.. nonce: 7rn4dY
|
|
.. section: Build
|
|
|
|
Allow building the JIT with the tailcall interpreter.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-11-07-55-28
|
|
.. gh-issue: 129989
|
|
.. nonce: kaSKlD
|
|
.. section: Build
|
|
|
|
Fix a bug where the tailcall interpreter was enabled when
|
|
``--without-tail-call-interp`` was provided to the configure script.
|
|
|
|
..
|
|
|
|
.. date: 2025-02-07-21-20-21
|
|
.. gh-issue: 129838
|
|
.. nonce: fkuiEc
|
|
.. section: Build
|
|
|
|
Don't redefine ``_Py_NO_SANITIZE_UNDEFINED`` when compiling with a recent
|
|
GCC version and undefined sanitizer enabled.
|
|
|
|
..
|
|
|
|
.. date: 2023-04-02-14-20-29
|
|
.. gh-issue: 82909
|
|
.. nonce: LGcZJy
|
|
.. section: Build
|
|
|
|
``#pragma``-based linking with ``python3*.lib`` can now be switched off with
|
|
:c:expr:`Py_NO_LINK_LIB`. Patch by Jean-Christophe Fillion-Robin.
|