mirror of https://github.com/python/cpython
822 lines
18 KiB
ReStructuredText
822 lines
18 KiB
ReStructuredText
.. date: 2023-02-17-10-42-48
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.. gh-issue: 99108
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.. nonce: MKA8-f
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.. release date: 2023-03-07
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.. section: Security
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Replace builtin hashlib implementations of MD5 and SHA1 with verified ones
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from the HACL* project.
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..
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.. date: 2023-02-08-22-03-04
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.. gh-issue: 101727
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.. nonce: 9P5eZz
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.. section: Security
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Updated the OpenSSL version used in Windows and macOS binary release builds
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to 1.1.1t to address :cve:`2023-0286`, :cve:`2022-4303`, and :cve:`2022-4303` per
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`the OpenSSL 2023-02-07 security advisory
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<https://openssl-library.org/news/secadv/20230207.txt>`_.
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..
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.. date: 2023-02-08-12-57-35
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.. gh-issue: 99108
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.. nonce: 6tnmhA
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.. section: Security
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Replace the builtin :mod:`hashlib` implementations of SHA2-384 and SHA2-512
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originally from LibTomCrypt with formally verified, side-channel resistant
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code from the `HACL* <https://github.com/hacl-star/hacl-star/>`_ project.
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The builtins remain a fallback only used when OpenSSL does not provide them.
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..
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.. date: 2023-01-24-16-12-00
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.. gh-issue: 101283
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.. nonce: 9tqu39
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.. section: Security
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:class:`subprocess.Popen` now uses a safer approach to find ``cmd.exe`` when
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launching with ``shell=True``. Patch by Eryk Sun, based on a patch by Oleg
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Iarygin.
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..
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.. date: 2023-03-07-16-56-28
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.. gh-issue: 102493
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.. nonce: gTXrcD
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.. section: Core and Builtins
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Fix regression in semantics of normalisation in ``PyErr_SetObject``.
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..
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.. date: 2023-03-06-13-05-33
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.. gh-issue: 102416
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.. nonce: dz6K5f
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.. section: Core and Builtins
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Do not memoize incorrectly automatically generated loop rules in the parser.
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Patch by Pablo Galindo.
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..
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.. date: 2023-03-04-20-56-12
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.. gh-issue: 102356
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.. nonce: 07KvUd
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.. section: Core and Builtins
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Fix a bug that caused a crash when deallocating deeply nested filter
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objects. Patch by Marta Gómez Macías.
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..
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.. date: 2023-02-28-21-17-03
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.. gh-issue: 102336
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.. nonce: -wL3Tm
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.. section: Core and Builtins
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Cleanup Windows 7 specific special handling. Patch by Max Bachmann.
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..
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.. date: 2023-02-26-23-10-32
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.. gh-issue: 102250
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.. nonce: 7MUKoC
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.. section: Core and Builtins
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Fixed a segfault occurring when the interpreter calls a ``__bool__`` method
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that raises.
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..
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.. date: 2023-02-24-17-59-39
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.. gh-issue: 102126
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.. nonce: HTT8Vc
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.. section: Core and Builtins
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Fix deadlock at shutdown when clearing thread states if any finalizer tries
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to acquire the runtime head lock. Patch by Kumar Aditya.
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..
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.. date: 2023-02-22-15-15-32
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.. gh-issue: 102027
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.. nonce: Km4G-d
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.. section: Core and Builtins
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Use ``GetCurrentProcessId`` on Windows when ``getpid`` is unavailable. Patch
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by Max Bachmann.
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..
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.. date: 2023-02-20-15-18-33
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.. gh-issue: 102056
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.. nonce: uHKuwH
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.. section: Core and Builtins
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Fix error handling bugs in interpreter's exception printing code, which
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could cause a crash on infinite recursion.
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..
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.. date: 2023-02-17-10-12-13
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.. gh-issue: 100982
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.. nonce: mJGJQw
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.. section: Core and Builtins
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Restrict the scope of the :opcode:`FOR_ITER_RANGE` instruction to the scope
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of the original :opcode:`FOR_ITER` instruction, to allow instrumentation.
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..
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.. date: 2023-02-16-23-19-01
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.. gh-issue: 101967
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.. nonce: Kqr1dz
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.. section: Core and Builtins
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Fix possible segfault in ``positional_only_passed_as_keyword`` function,
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when new list created.
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..
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.. date: 2023-02-16-16-57-23
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.. gh-issue: 101952
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.. nonce: Zo1dlq
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.. section: Core and Builtins
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Fix possible segfault in ``BUILD_SET`` opcode, when new set created.
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..
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.. date: 2023-02-13-22-21-58
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.. gh-issue: 74895
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.. nonce: esMNtq
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.. section: Core and Builtins
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:mod:`socket.getaddrinfo` no longer raises :class:`OverflowError` for
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:class:`int` **port** values outside of the C long range. Out of range
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values are left up to the underlying string based C library API to report. A
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:class:`socket.gaierror` ``SAI_SERVICE`` may occur instead, or no error at
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all as not all platform C libraries generate an error.
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..
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.. date: 2023-02-13-18-21-14
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.. gh-issue: 101799
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.. nonce: wpHbCn
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.. section: Core and Builtins
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Add :opcode:`CALL_INTRINSIC_2` and use it instead of
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:opcode:`!PREP_RERAISE_STAR`.
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..
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.. date: 2023-02-12-22-40-22
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.. gh-issue: 101857
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.. nonce: _bribG
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.. section: Core and Builtins
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Fix xattr support detection on Linux systems by widening the check to linux,
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not just glibc. This fixes support for musl.
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..
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.. date: 2023-02-11-23-14-06
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.. gh-issue: 84783
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.. nonce: _P5sMa
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.. section: Core and Builtins
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Make the slice object hashable. Patch by Will Bradshaw and Furkan Onder.
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..
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.. date: 2023-02-10-15-54-57
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.. gh-issue: 87849
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.. nonce: IUVvPz
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.. section: Core and Builtins
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Change the ``SEND`` instruction to leave the receiver on the stack. This
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allows the specialized form of ``SEND`` to skip the chain of C calls and
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jump directly to the ``RESUME`` in the generator or coroutine.
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..
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.. date: 2023-02-10-07-21-47
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.. gh-issue: 101765
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.. nonce: MO5LlC
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.. section: Core and Builtins
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Fix SystemError / segmentation fault in iter ``__reduce__`` when internal
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access of ``builtins.__dict__`` keys mutates the iter object.
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..
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.. date: 2023-02-10-01-15-57
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.. gh-issue: 101430
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.. nonce: T3Gegb
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.. section: Core and Builtins
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Update :mod:`tracemalloc` to handle presize of object properly. Patch by
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Donghee Na.
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..
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.. date: 2023-02-08-17-13-31
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.. gh-issue: 101696
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.. nonce: seJhTt
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.. section: Core and Builtins
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Invalidate type version tag in ``_PyStaticType_Dealloc`` for static types,
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avoiding bug where a false cache hit could crash the interpreter. Patch by
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Kumar Aditya.
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..
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.. date: 2023-02-07-14-56-43
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.. gh-issue: 101632
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.. nonce: Fd1yxk
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.. section: Core and Builtins
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Adds a new :opcode:`RETURN_CONST` instruction.
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..
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.. date: 2023-01-04-12-49-33
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.. gh-issue: 100719
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.. nonce: uRPccL
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.. section: Core and Builtins
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Remove gi_code field from generator (and coroutine and async generator)
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objects as it is redundant. The frame already includes a reference to the
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code object.
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..
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.. date: 2022-11-02-20-23-47
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.. gh-issue: 98627
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.. nonce: VJkdRM
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.. section: Core and Builtins
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When an interpreter is configured to check (and only then), importing an
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extension module will now fail when the extension does not support multiple
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interpreters (i.e. doesn't implement PEP 489 multi-phase init). This does
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not apply to the main interpreter, nor to subinterpreters created with
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``Py_NewInterpreter()``.
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..
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.. date: 2023-03-04-14-46-47
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.. gh-issue: 102302
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.. nonce: -b_s6Z
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.. section: Library
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Micro-optimise hashing of :class:`inspect.Parameter`, reducing the time it
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takes to hash an instance by around 40%.
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..
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.. date: 2023-02-28-09-52-25
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.. gh-issue: 101979
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.. nonce: or3hXV
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.. section: Library
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Fix a bug where parentheses in the ``metavar`` argument to
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:meth:`argparse.ArgumentParser.add_argument` were dropped. Patch by Yeojin
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Kim.
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..
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.. date: 2023-02-26-12-37-17
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.. gh-issue: 91038
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.. nonce: S4rFH_
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.. section: Library
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:meth:`platform.platform` now has boolean default arguments.
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..
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.. date: 2023-02-23-20-39-52
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.. gh-issue: 81652
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.. nonce: Vxz0Mr
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.. section: Library
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Add :const:`mmap.MAP_ALIGNED_SUPER` FreeBSD and :const:`mmap.MAP_CONCEAL`
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OpenBSD constants to :mod:`mmap`. Patch by Yeojin Kim.
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..
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.. date: 2023-02-23-15-06-01
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.. gh-issue: 102179
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.. nonce: P6KQ4c
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.. section: Library
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Fix :func:`os.dup2` error message for negative fds.
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..
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.. date: 2023-02-21-10-05-33
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.. gh-issue: 101961
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.. nonce: 7e56jh
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.. section: Library
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For the binary mode, :func:`fileinput.hookcompressed` doesn't set the
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``encoding`` value even if the value is ``None``. Patch by Gihwan Kim.
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..
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.. date: 2023-02-21-07-15-41
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.. gh-issue: 101936
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.. nonce: QVOxHH
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.. section: Library
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The default value of ``fp`` becomes :class:`io.BytesIO` if
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:exc:`~urllib.error.HTTPError` is initialized without a designated ``fp``
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parameter. Patch by Long Vo.
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..
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.. date: 2023-02-17-20-24-15
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.. gh-issue: 101566
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.. nonce: FjgWBt
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.. section: Library
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In zipfile, sync Path with `zipp 3.14
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<https://zipp.readthedocs.io/en/latest/history.html#v3-14-0>`_, including
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fix for extractall on the underlying zipfile after being wrapped in
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``Path``.
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..
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.. date: 2023-02-17-19-00-58
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.. gh-issue: 97930
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.. nonce: C_nQjb
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.. section: Library
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Apply changes from `importlib_resources 5.12
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<https://importlib-resources.readthedocs.io/en/latest/history.html#v5-12-0>`_,
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including fix for ``MultiplexedPath`` to support directories in multiple
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namespaces (python/importlib_resources#265).
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..
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.. date: 2023-02-17-18-44-27
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.. gh-issue: 101997
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.. nonce: A6_blD
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.. section: Library
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Upgrade pip wheel bundled with ensurepip (pip 23.0.1)
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..
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.. date: 2023-02-15-01-54-06
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.. gh-issue: 99108
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.. nonce: rjTSic
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.. section: Library
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The built-in extension modules for :mod:`hashlib` SHA2 algorithms, used when
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OpenSSL does not provide them, now live in a single internal ``_sha2``
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module instead of separate ``_sha256`` and ``_sha512`` modules.
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..
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.. date: 2023-02-14-09-08-48
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.. gh-issue: 101892
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.. nonce: FMos8l
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.. section: Library
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Callable iterators no longer raise :class:`SystemError` when the callable
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object exhausts the iterator but forgets to either return a sentinel value
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or raise :class:`StopIteration`.
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..
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.. date: 2023-02-13-12-55-48
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.. gh-issue: 87634
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.. nonce: q-SBhJ
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.. section: Library
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Remove locking behavior from :func:`functools.cached_property`.
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..
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.. date: 2023-02-11-13-23-29
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.. gh-issue: 97786
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.. nonce: QjvQ1B
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.. section: Library
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Fix potential undefined behaviour in corner cases of floating-point-to-time
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conversions.
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..
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.. date: 2023-02-10-16-02-29
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.. gh-issue: 101517
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.. nonce: r7S2u8
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.. section: Library
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Fixed bug where :mod:`bdb` looks up the source line with :mod:`linecache`
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with a ``lineno=None``, which causes it to fail with an unhandled exception.
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..
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.. date: 2023-02-10-11-59-13
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.. gh-issue: 101773
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.. nonce: J_kI7y
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.. section: Library
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Optimize :class:`fractions.Fraction` for small components. The private
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argument ``_normalize`` of the :class:`fractions.Fraction` constructor has
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been removed.
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..
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.. date: 2023-02-08-18-20-58
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.. gh-issue: 101693
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.. nonce: 4_LPXj
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.. section: Library
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In :meth:`sqlite3.Cursor.execute`, :exc:`DeprecationWarning` is now emitted
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when :ref:`named placeholders <sqlite3-placeholders>` are used together with
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parameters supplied as a :term:`sequence` instead of as a :class:`dict`.
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Starting from Python 3.14, using named placeholders with parameters supplied
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as a sequence will raise a :exc:`~sqlite3.ProgrammingError`. Patch by Erlend
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E. Aasland.
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..
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.. date: 2023-02-07-22-21-46
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.. gh-issue: 101446
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.. nonce: -c0FdK
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.. section: Library
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Change repr of :class:`collections.OrderedDict` to use regular dictionary
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formatting instead of pairs of keys and values.
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..
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.. date: 2023-02-07-22-20-32
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.. gh-issue: 101362
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.. nonce: Jlk6mt
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.. section: Library
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Speed up :class:`pathlib.PurePath` construction by handling arguments more
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uniformly. When a :class:`pathlib.Path` argument is supplied, we use its
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string representation rather than joining its parts with
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:func:`os.path.join`.
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..
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.. date: 2023-02-07-21-16-41
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.. gh-issue: 101362
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.. nonce: KMQllM
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.. section: Library
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Speed up :class:`pathlib.PurePath` construction by calling
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:func:`os.path.join` only when two or more arguments are given.
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..
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.. date: 2023-02-07-20-46-08
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.. gh-issue: 101362
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.. nonce: 2ckZ6R
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.. section: Library
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Speed up :class:`pathlib.Path` construction by running the path flavour
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compatibility check only when pathlib is imported.
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..
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.. date: 2023-02-05-21-40-15
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.. gh-issue: 85984
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.. nonce: Kfzbb2
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.. section: Library
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Refactored the implementation of :func:`pty.fork` to use
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:func:`os.login_tty`.
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A :exc:`DeprecationWarning` is now raised by ``pty.master_open()`` and
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``pty.slave_open()``. They were undocumented and deprecated long long ago in
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the docstring in favor of :func:`pty.openpty`.
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..
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.. date: 2023-02-04-16-35-46
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.. gh-issue: 101561
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.. nonce: Xo6pIZ
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.. section: Library
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Add a new decorator :func:`typing.override`. See :pep:`698` for details.
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Patch by Steven Troxler.
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..
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.. date: 2023-02-01-10-42-16
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.. gh-issue: 63301
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.. nonce: XNxSFh
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.. section: Library
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Set exit code when :mod:`tabnanny` CLI exits on error.
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..
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.. date: 2023-01-27-02-53-50
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.. gh-issue: 101360
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.. nonce: bPB7SL
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.. section: Library
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Fix anchor matching in :meth:`pathlib.PureWindowsPath.match`. Path and
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pattern anchors are now matched with :mod:`fnmatch`, just like other path
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parts. This allows patterns such as ``"*:/Users/*"`` to be matched.
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..
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|
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.. date: 2023-01-25-00-14-52
|
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.. gh-issue: 101277
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.. nonce: FceHX7
|
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.. section: Library
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Remove global state from :mod:`itertools` module (:pep:`687`). Patches by
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Erlend E. Aasland.
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..
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.. date: 2023-01-06-21-14-41
|
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.. gh-issue: 100809
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.. nonce: I697UT
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.. section: Library
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Fix handling of drive-relative paths (like 'C:' and 'C:foo') in
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:meth:`pathlib.Path.absolute`. This method now uses the OS API to retrieve
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the correct current working directory for the drive.
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..
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.. date: 2023-01-02-22-41-44
|
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.. gh-issue: 99138
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.. nonce: 17hp9U
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.. section: Library
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|
|
Apply :pep:`687` to :mod:`zoneinfo`. Patch by Erlend E. Aasland.
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..
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|
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.. date: 2022-10-22-09-26-43
|
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.. gh-issue: 96764
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|
.. nonce: Dh9Y5L
|
|
.. section: Library
|
|
|
|
:func:`asyncio.wait_for` now uses :func:`asyncio.timeout` as its underlying
|
|
implementation. Patch by Kumar Aditya.
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|
|
|
..
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|
|
|
.. date: 2022-09-05-12-17-34
|
|
.. gh-issue: 88233
|
|
.. nonce: gff9qJ
|
|
.. section: Library
|
|
|
|
Correctly preserve "extra" fields in ``zipfile`` regardless of their
|
|
ordering relative to a zip64 "extra."
|
|
|
|
..
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|
|
|
.. bpo: 23224
|
|
.. date: 2018-06-20-09-12-21
|
|
.. nonce: zxCQ13
|
|
.. section: Library
|
|
|
|
Fix segfaults when creating :class:`lzma.LZMADecompressor` and
|
|
:class:`bz2.BZ2Decompressor` objects without calling ``__init__()``, and fix
|
|
leakage of locks and internal buffers when calling the ``__init__()``
|
|
methods of :class:`lzma.LZMADecompressor`, :class:`lzma.LZMACompressor`,
|
|
:class:`bz2.BZ2Compressor`, and :class:`bz2.BZ2Decompressor` objects
|
|
multiple times.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-19-10-33-01
|
|
.. gh-issue: 85417
|
|
.. nonce: kYO8u3
|
|
.. section: Documentation
|
|
|
|
Update :mod:`cmath` documentation to clarify behaviour on branch cuts.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-07-21-43-24
|
|
.. gh-issue: 97725
|
|
.. nonce: cuY7Cd
|
|
.. section: Documentation
|
|
|
|
Fix :meth:`asyncio.Task.print_stack` description for ``file=None``. Patch by
|
|
Oleg Iarygin.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-18-10-51-02
|
|
.. gh-issue: 102019
|
|
.. nonce: 0797SJ
|
|
.. section: Tests
|
|
|
|
Fix deadlock on shutdown if ``test_current_{exception,frames}`` fails. Patch
|
|
by Jacob Bower.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-11-22-36-10
|
|
.. gh-issue: 85984
|
|
.. nonce: EVXjT9
|
|
.. section: Tests
|
|
|
|
Utilize new "winsize" functions from termios in pty tests.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-11-20-28-08
|
|
.. gh-issue: 89792
|
|
.. nonce: S-Y5BZ
|
|
.. section: Tests
|
|
|
|
``test_tools`` now copies up to 10x less source data to a temporary
|
|
directory during the ``freeze`` test by ignoring git metadata and other
|
|
artifacts. It also limits its python build parallelism based on
|
|
os.cpu_count instead of hard coding it as 8 cores.
|
|
|
|
..
|
|
|
|
.. date: 2023-01-12-00-49-16
|
|
.. gh-issue: 99942
|
|
.. nonce: DUR8b4
|
|
.. section: Build
|
|
|
|
On Android, in a static build, python-config in embed mode no longer
|
|
incorrectly reports a library to link to.
|
|
|
|
..
|
|
|
|
.. date: 2022-12-20-01-06-17
|
|
.. gh-issue: 99942
|
|
.. nonce: lbmzYj
|
|
.. section: Build
|
|
|
|
On Android, python.pc now correctly reports the library to link to, the same
|
|
as python-config.sh.
|
|
|
|
..
|
|
|
|
.. date: 2022-12-18-08-33-28
|
|
.. gh-issue: 100221
|
|
.. nonce: K94Ct3
|
|
.. section: Build
|
|
|
|
Fix creating install directories in ``make sharedinstall`` if they exist
|
|
outside ``DESTDIR`` already.
|
|
|
|
..
|
|
|
|
.. date: 2022-09-14-10-38-15
|
|
.. gh-issue: 96821
|
|
.. nonce: Zk2a9c
|
|
.. section: Build
|
|
|
|
Explicitly mark C extension modules that need defined signed integer
|
|
overflow, and add a configure option :option:`--with-strict-overflow`. Patch
|
|
by Matthias Görgens and Shantanu Jain.
|
|
|
|
..
|
|
|
|
.. date: 2023-03-01-01-36-39
|
|
.. gh-issue: 102344
|
|
.. nonce: Dgfux4
|
|
.. section: Windows
|
|
|
|
Implement ``winreg.QueryValue`` using ``QueryValueEx`` and
|
|
``winreg.SetValue`` using ``SetValueEx``. Patch by Max Bachmann.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-15-11-08-10
|
|
.. gh-issue: 101881
|
|
.. nonce: fScr3m
|
|
.. section: Windows
|
|
|
|
Handle read and write operations on non-blocking pipes properly on Windows.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-13-18-05-49
|
|
.. gh-issue: 101881
|
|
.. nonce: _TnHzN
|
|
.. section: Windows
|
|
|
|
Add support for the os.get_blocking() and os.set_blocking() functions on
|
|
Windows.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-13-16-32-50
|
|
.. gh-issue: 101849
|
|
.. nonce: 7lm_53
|
|
.. section: Windows
|
|
|
|
Ensures installer will correctly upgrade existing ``py.exe`` launcher
|
|
installs.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-10-14-26-05
|
|
.. gh-issue: 101763
|
|
.. nonce: RPaj7r
|
|
.. section: Windows
|
|
|
|
Updates copy of libffi bundled with Windows installs to 3.4.4.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-09-22-09-27
|
|
.. gh-issue: 101759
|
|
.. nonce: zFlqSH
|
|
.. section: Windows
|
|
|
|
Update Windows installer to SQLite 3.40.1.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-07-18-22-54
|
|
.. gh-issue: 101614
|
|
.. nonce: NjVP0n
|
|
.. section: Windows
|
|
|
|
Correctly handle extensions built against debug binaries that reference
|
|
``python3_d.dll``.
|
|
|
|
..
|
|
|
|
.. date: 2023-01-25-11-33-54
|
|
.. gh-issue: 101196
|
|
.. nonce: wAX_2g
|
|
.. section: Windows
|
|
|
|
The functions ``os.path.isdir``, ``os.path.isfile``, ``os.path.islink`` and
|
|
``os.path.exists`` are now 13% to 28% faster on Windows, by making fewer
|
|
Win32 API calls.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-09-22-07-17
|
|
.. gh-issue: 101759
|
|
.. nonce: B0JP2H
|
|
.. section: macOS
|
|
|
|
Update macOS installer to SQLite 3.40.1.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-14-15-53-01
|
|
.. gh-issue: 101907
|
|
.. nonce: HgF1N2
|
|
.. section: C API
|
|
|
|
Removes use of non-standard C++ extension in public header files.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-09-10-38-20
|
|
.. gh-issue: 99293
|
|
.. nonce: mFqfpp
|
|
.. section: C API
|
|
|
|
Document that the Py_TPFLAGS_VALID_VERSION_TAG is an internal feature,
|
|
should not be used, and will be removed.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-06-16-14-30
|
|
.. gh-issue: 101578
|
|
.. nonce: PW5fA9
|
|
.. section: C API
|
|
|
|
Add :c:func:`PyErr_GetRaisedException` and
|
|
:c:func:`PyErr_SetRaisedException` for saving and restoring the current
|
|
exception. These functions return and accept a single exception object,
|
|
rather than the triple arguments of the now-deprecated :c:func:`PyErr_Fetch`
|
|
and :c:func:`PyErr_Restore`. This is less error prone and a bit more
|
|
efficient.
|
|
|
|
Add :c:func:`PyException_GetArgs` and :c:func:`PyException_SetArgs` as
|
|
convenience functions for retrieving and modifying the
|
|
:attr:`~BaseException.args` passed to the exception's constructor.
|
|
|
|
..
|
|
|
|
.. date: 2022-04-21-17-25-22
|
|
.. gh-issue: 91744
|
|
.. nonce: FgvaMi
|
|
.. section: C API
|
|
|
|
Introduced the *Unstable C API tier*, marking APi that is allowed to change
|
|
in minor releases without a deprecation period. See :pep:`689` for details.
|