mirror of https://github.com/python/cpython
665 lines
15 KiB
ReStructuredText
665 lines
15 KiB
ReStructuredText
.. date: 2022-11-08-12-06-52
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.. gh-issue: 99108
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.. nonce: 4Wrsuh
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.. release date: 2023-02-07
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.. section: Security
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Replace the builtin :mod:`hashlib` implementations of SHA2-224 and SHA2-256
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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: 2023-02-06-20-13-36
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.. gh-issue: 92173
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.. nonce: RQE0mk
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.. section: Core and Builtins
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Fix the ``defs`` and ``kwdefs`` arguments to :c:func:`PyEval_EvalCodeEx` and
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a reference leak in that function.
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..
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.. date: 2023-01-30-11-56-09
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.. gh-issue: 59956
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.. nonce: 7xqnC_
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.. section: Core and Builtins
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The GILState API is now partially compatible with subinterpreters.
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Previously, ``PyThreadState_GET()`` and ``PyGILState_GetThisThreadState()``
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would get out of sync, causing inconsistent behavior and crashes.
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..
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.. date: 2023-01-30-08-59-47
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.. gh-issue: 101400
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.. nonce: Di_ZFm
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.. section: Core and Builtins
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Fix wrong lineno in exception message on :keyword:`continue` or
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:keyword:`break` which are not in a loop. Patch by Donghee Na.
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..
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.. date: 2023-01-28-20-31-42
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.. gh-issue: 101372
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.. nonce: 8BcpCC
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.. section: Core and Builtins
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Fix :func:`~unicodedata.is_normalized` to properly handle the UCD 3.2.0
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cases. Patch by Donghee Na.
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..
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.. date: 2023-01-28-13-11-52
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.. gh-issue: 101266
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.. nonce: AxV3OF
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.. section: Core and Builtins
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Fix :func:`sys.getsizeof` reporting for :class:`int` subclasses.
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..
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.. date: 2023-01-24-17-13-32
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.. gh-issue: 101291
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.. nonce: Yr6u_c
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.. section: Core and Builtins
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Refactor the ``PyLongObject`` struct into a normal Python object header and
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a ``PyLongValue`` struct.
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..
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.. date: 2023-01-15-03-26-04
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.. gh-issue: 101046
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.. nonce: g2CM4S
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.. section: Core and Builtins
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Fix a possible memory leak in the parser when raising :exc:`MemoryError`.
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Patch by Pablo Galindo
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..
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.. date: 2023-01-14-17-03-08
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.. gh-issue: 101037
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.. nonce: 9ATNuf
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.. section: Core and Builtins
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Fix potential memory underallocation issue for instances of :class:`int`
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subclasses with value zero.
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..
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.. date: 2023-01-13-12-56-20
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.. gh-issue: 100762
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.. nonce: YvHaQJ
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.. section: Core and Builtins
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Record the (virtual) exception block depth in the oparg of
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:opcode:`YIELD_VALUE`. Use this to avoid the expensive ``throw()`` when
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closing generators (and coroutines) that can be closed trivially.
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..
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.. date: 2023-01-12-13-46-49
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.. gh-issue: 100982
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.. nonce: mJ234s
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.. section: Core and Builtins
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Adds a new :opcode:`COMPARE_AND_BRANCH` instruction. This is a bit more
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efficient when performing a comparison immediately followed by a branch, and
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restores the design intent of PEP 659 that specializations are local to a
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single instruction.
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..
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.. date: 2023-01-11-22-52-19
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.. gh-issue: 100942
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.. nonce: ontOy_
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.. section: Core and Builtins
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Fixed segfault in property.getter/setter/deleter that occurred when a
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property subclass overrode the ``__new__`` method to return a non-property
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instance.
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..
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.. date: 2023-01-10-16-59-33
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.. gh-issue: 100923
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.. nonce: ypJAX-
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.. section: Core and Builtins
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Remove the ``mask`` cache entry for the :opcode:`COMPARE_OP` instruction and
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embed the mask into the oparg.
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..
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.. date: 2023-01-10-14-11-17
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.. gh-issue: 100892
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.. nonce: qfBVYI
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.. section: Core and Builtins
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Fix race while iterating over thread states in clearing
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:class:`threading.local`. Patch by Kumar Aditya.
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..
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.. date: 2023-01-06-09-22-21
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.. gh-issue: 91351
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.. nonce: iq2vZ_
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.. section: Core and Builtins
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Fix a case where re-entrant imports could corrupt the import deadlock
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detection code and cause a :exc:`KeyError` to be raised out of
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:mod:`importlib/_bootstrap`. In addition to the straightforward cases, this
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could also happen when garbage collection leads to a warning being emitted
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-- as happens when it collects an open socket or file)
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..
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.. date: 2023-01-03-20-59-20
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.. gh-issue: 100726
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.. nonce: W9huFl
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.. section: Core and Builtins
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Optimize construction of ``range`` object for medium size integers.
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..
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.. date: 2023-01-03-14-33-23
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.. gh-issue: 100712
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.. nonce: po6xyB
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.. section: Core and Builtins
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Added option to build cpython with specialization disabled, by setting
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``ENABLE_SPECIALIZATION=False`` in :mod:`opcode`, followed by ``make
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regen-all``.
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..
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.. bpo: 32780
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.. date: 2018-02-05-21-54-46
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.. nonce: Dtiz8z
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.. section: Core and Builtins
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Inter-field padding is now inserted into the PEP3118 format strings obtained
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from :class:`ctypes.Structure` objects, reflecting their true representation
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in memory.
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..
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.. date: 2023-02-05-14-39-49
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.. gh-issue: 101541
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.. nonce: Mo3ppp
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.. section: Library
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[Enum] - fix psuedo-flag creation
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..
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.. date: 2023-02-04-21-01-49
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.. gh-issue: 101570
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.. nonce: lbtUsD
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.. section: Library
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Upgrade pip wheel bundled with ensurepip (pip 23.0)
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..
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.. date: 2023-01-26-06-44-35
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.. gh-issue: 101323
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.. nonce: h8Hk11
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.. section: Library
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Fix a bug where errors where not thrown by zlib._ZlibDecompressor if
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encountered during decompressing.
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..
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.. date: 2023-01-26-01-25-56
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.. gh-issue: 101317
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.. nonce: vWaS1x
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.. section: Library
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Add *ssl_shutdown_timeout* parameter for
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:meth:`asyncio.StreamWriter.start_tls`.
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..
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.. date: 2023-01-25-18-07-20
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.. gh-issue: 101326
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.. nonce: KL4SFv
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.. section: Library
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Fix regression when passing ``None`` as second or third argument to
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``FutureIter.throw``.
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..
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.. date: 2023-01-24-12-53-59
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.. gh-issue: 92123
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.. nonce: jf6TO5
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.. section: Library
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Adapt the ``_elementtree`` extension module to multi-phase init
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(:pep:`489`). Patches by Erlend E. Aasland.
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..
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.. date: 2023-01-21-16-50-22
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.. gh-issue: 100795
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.. nonce: NPMZf7
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.. section: Library
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Avoid potential unexpected ``freeaddrinfo`` call (double free) in
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:mod:`socket` when when a libc ``getaddrinfo()`` implementation leaves
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garbage in an output pointer when returning an error. Original patch by
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Sergey G. Brester.
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..
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.. date: 2023-01-20-10-46-59
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.. gh-issue: 101143
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.. nonce: hJo8hu
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.. section: Library
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Remove unused references to :class:`~asyncio.TimerHandle` in
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``asyncio.base_events.BaseEventLoop._add_callback``.
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..
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.. date: 2023-01-18-17-58-50
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.. gh-issue: 101144
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.. nonce: FHd8Un
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.. section: Library
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Make :func:`zipfile.Path.open` and :func:`zipfile.Path.read_text` also
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accept ``encoding`` as a positional argument. This was the behavior in
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Python 3.9 and earlier. 3.10 introduced a regression where supplying it as
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a positional argument would lead to a :exc:`TypeError`.
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..
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.. date: 2023-01-15-09-11-30
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.. gh-issue: 94518
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.. nonce: jvxtxm
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.. section: Library
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Group-related variables of ``_posixsubprocess`` module are renamed to stress
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that supplimentary group affinity is added to a fork, not replace the
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inherited ones. Patch by Oleg Iarygin.
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..
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.. date: 2023-01-14-12-58-21
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.. gh-issue: 101015
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.. nonce: stWFid
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.. section: Library
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Fix :func:`typing.get_type_hints` on ``'*tuple[...]'`` and ``*tuple[...]``.
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It must not drop the ``Unpack`` part.
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..
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.. date: 2023-01-12-21-22-20
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.. gh-issue: 101000
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.. nonce: wz4Xgc
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.. section: Library
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Add :func:`os.path.splitroot()`, which splits a path into a 3-item tuple
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``(drive, root, tail)``. This new function is used by :mod:`pathlib` to
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improve the performance of path construction by up to a third.
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..
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.. date: 2023-01-12-01-18-13
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.. gh-issue: 100573
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.. nonce: KDskqo
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.. section: Library
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Fix a Windows :mod:`asyncio` bug with named pipes where a client doing
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``os.stat()`` on the pipe would cause an error in the server that disabled
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serving future requests.
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..
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.. date: 2023-01-08-00-12-44
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.. gh-issue: 39615
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.. nonce: gn4PhB
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.. section: Library
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:func:`warnings.warn` now has the ability to skip stack frames based on code
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filename prefix rather than only a numeric ``stacklevel`` via the new
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``skip_file_prefixes`` keyword argument.
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..
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.. date: 2023-01-04-14-42-59
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.. gh-issue: 100750
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.. nonce: iFJs5Y
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.. section: Library
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pass encoding kwarg to subprocess in platform
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..
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.. date: 2022-12-21-17-49-50
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.. gh-issue: 100160
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.. nonce: N0NHRj
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.. section: Library
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Emit a deprecation warning in
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:meth:`asyncio.DefaultEventLoopPolicy.get_event_loop` if there is no current
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event loop set and it decides to create one.
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..
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.. date: 2022-12-19-23-19-26
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.. gh-issue: 96290
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.. nonce: qFjsi6
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.. section: Library
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Fix handling of partial and invalid UNC drives in ``ntpath.splitdrive()``,
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and in ``ntpath.normpath()`` on non-Windows systems. Paths such as
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'\\server' and '\\' are now considered by ``splitdrive()`` to contain only a
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drive, and consequently are not modified by ``normpath()`` on non-Windows
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systems. The behaviour of ``normpath()`` on Windows systems is unaffected,
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as native OS APIs are used. Patch by Eryk Sun, with contributions by Barney
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Gale.
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..
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.. date: 2022-12-11-14-38-59
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.. gh-issue: 99952
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.. nonce: IYGLzr
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.. section: Library
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Fix a reference undercounting issue in :class:`ctypes.Structure` with
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``from_param()`` results larger than a C pointer.
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..
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.. date: 2022-12-10-15-30-17
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.. gh-issue: 67790
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.. nonce: P9YUZM
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.. section: Library
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Add float-style formatting support for :class:`fractions.Fraction`
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instances.
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..
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.. date: 2022-11-24-21-52-31
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.. gh-issue: 99266
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.. nonce: 88GcV9
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.. section: Library
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Preserve more detailed error messages in :mod:`ctypes`.
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..
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.. date: 2022-11-15-23-30-39
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.. gh-issue: 86682
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.. nonce: gK9i1N
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.. section: Library
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Ensure runtime-created collections have the correct module name using the
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newly added (internal) :func:`sys._getframemodulename`.
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..
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.. date: 2022-11-14-03-06-03
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.. gh-issue: 88597
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.. nonce: EYJA-Q
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.. section: Library
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:mod:`uuid` now has a command line interface. Try ``python -m uuid -h``.
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..
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.. date: 2022-09-26-21-18-47
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.. gh-issue: 60580
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.. nonce: 0hBgde
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.. section: Library
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:data:`ctypes.wintypes.BYTE` definition changed from :data:`~ctypes.c_byte`
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to :data:`~ctypes.c_ubyte` to match Windows SDK. Patch by Anatoly Techtonik
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and Oleg Iarygin.
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..
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.. date: 2022-07-22-13-38-37
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.. gh-issue: 94518
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.. nonce: _ZP0cz
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.. section: Library
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``_posixsubprocess`` now initializes all UID and GID variables using a
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reserved ``-1`` value instead of a separate flag. Patch by Oleg Iarygin.
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..
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.. bpo: 38941
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.. date: 2022-02-05-12-01-58
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.. nonce: 8IhvyG
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.. section: Library
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The :mod:`xml.etree.ElementTree` module now emits :exc:`DeprecationWarning`
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when testing the truth value of an :class:`xml.etree.ElementTree.Element`.
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Before, the Python implementation emitted :exc:`FutureWarning`, and the C
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implementation emitted nothing.
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..
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.. bpo: 40077
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.. date: 2020-11-20-21-06-08
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.. nonce: M-iZq3
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.. section: Library
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Convert :mod:`elementtree` types to heap types. Patch by Erlend E. Aasland.
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..
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.. bpo: 29847
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.. date: 2020-04-18-17-45-03
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.. nonce: Uxtbq0
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.. section: Library
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Fix a bug where :class:`pathlib.Path` accepted and ignored keyword
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arguments. Patch provided by Yurii Karabas.
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..
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.. date: 2018-05-21-17-18-00
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.. gh-issue: 77772
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.. nonce: Fhg84L
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.. section: Library
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:class:`ctypes.CDLL`, :class:`ctypes.OleDLL`, :class:`ctypes.WinDLL`, and
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:class:`ctypes.PyDLL` now accept :term:`path-like objects <path-like
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object>` as their ``name`` argument. Patch by Robert Hoelzl.
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..
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.. date: 2022-06-19-22-04-47
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.. gh-issue: 88324
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.. nonce: GHhSQ1
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.. section: Documentation
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Reword :mod:`subprocess` to emphasize default behavior of *stdin*, *stdout*,
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and *stderr* arguments. Remove inaccurate statement about child file handle
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inheritance.
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..
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.. date: 2023-02-04-17-24-33
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.. gh-issue: 101334
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.. nonce: _yOqwg
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.. section: Tests
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``test_tarfile`` has been updated to pass when run as a high UID.
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..
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.. date: 2023-02-04-06-59-07
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.. gh-issue: 101282
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.. nonce: 7sQz5l
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.. section: Build
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Update BOLT configuration not to use deprecated usage of ``--split
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functions``. Patch by Donghee Na.
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..
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.. date: 2023-02-02-23-43-46
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.. gh-issue: 101522
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.. nonce: lnUDta
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.. section: Build
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Allow overriding Windows dependencies versions and paths using MSBuild
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properties.
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..
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.. date: 2023-01-26-19-02-11
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.. gh-issue: 77532
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.. nonce: cXD8bg
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.. section: Build
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Minor fixes to allow building with ``PlatformToolset=ClangCL`` on Windows.
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..
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.. date: 2023-01-21-10-31-35
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.. gh-issue: 101152
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.. nonce: xvM8pL
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.. section: Build
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In accordance with :PEP:`699`, the ``ma_version_tag`` field in
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:c:type:`PyDictObject` is deprecated for extension modules. Accessing this
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field will generate a compiler warning at compile time. This field will be
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removed in Python 3.14.
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..
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.. date: 2023-01-17-21-32-51
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.. gh-issue: 100340
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.. nonce: i9zRGM
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.. section: Build
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Allows -Wno-int-conversion for wasm-sdk 17 and onwards, thus enables
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building WASI builds once against the latest sdk.
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..
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.. date: 2023-01-15-11-22-15
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.. gh-issue: 101060
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.. nonce: 0mYk9E
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.. section: Build
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Conditionally add ``-fno-reorder-blocks-and-partition`` in configure.
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Effectively fixes ``--enable-bolt`` when using Clang, as this appears to be
|
|
a GCC-only flag.
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|
|
|
..
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|
|
|
.. date: 2022-10-27-09-57-12
|
|
.. gh-issue: 98705
|
|
.. nonce: H11XmR
|
|
.. section: Build
|
|
|
|
``__bool__`` is defined in AIX system header files which breaks the build in
|
|
AIX, so undefine it.
|
|
|
|
..
|
|
|
|
.. date: 2022-10-25-11-53-55
|
|
.. gh-issue: 98636
|
|
.. nonce: e0RPAr
|
|
.. section: Build
|
|
|
|
Fix a regression in detecting ``gdbm_compat`` library for the ``_gdbm``
|
|
module build.
|
|
|
|
..
|
|
|
|
.. date: 2022-08-30-10-16-31
|
|
.. gh-issue: 96305
|
|
.. nonce: 274i8B
|
|
.. section: Build
|
|
|
|
``_aix_support`` now uses a simple code to get platform details rather than
|
|
the now non-existent ``_bootsubprocess`` during bootstrap.
|
|
|
|
..
|
|
|
|
.. date: 2023-02-03-17-53-06
|
|
.. gh-issue: 101543
|
|
.. nonce: cORAT4
|
|
.. section: Windows
|
|
|
|
Ensure the install path in the registry is only used when the standard
|
|
library hasn't been located in any other way.
|
|
|
|
..
|
|
|
|
.. date: 2023-01-31-16-50-07
|
|
.. gh-issue: 101467
|
|
.. nonce: ye9t-L
|
|
.. section: Windows
|
|
|
|
The ``py.exe`` launcher now correctly filters when only a single runtime is
|
|
installed. It also correctly handles prefix matches on tags so that ``-3.1``
|
|
does not match ``3.11``, but would still match ``3.1-32``.
|
|
|
|
..
|
|
|
|
.. date: 2023-01-25-00-23-31
|
|
.. gh-issue: 99834
|
|
.. nonce: WN41lc
|
|
.. section: Windows
|
|
|
|
Updates bundled copy of Tcl/Tk to 8.6.13.0
|
|
|
|
..
|
|
|
|
.. date: 2023-01-18-18-25-18
|
|
.. gh-issue: 101135
|
|
.. nonce: HF9VlG
|
|
.. section: Windows
|
|
|
|
Restore ability to launch older 32-bit versions from the :file:`py.exe`
|
|
launcher when both 32-bit and 64-bit installs of the same version are
|
|
available.
|
|
|
|
..
|
|
|
|
.. date: 2023-01-17-18-17-58
|
|
.. gh-issue: 82052
|
|
.. nonce: mWyysT
|
|
.. section: Windows
|
|
|
|
Fixed an issue where writing more than 32K of Unicode output to the console
|
|
screen in one go can result in mojibake.
|
|
|
|
..
|
|
|
|
.. date: 2023-01-11-16-28-09
|
|
.. gh-issue: 100320
|
|
.. nonce: 2DU2it
|
|
.. section: Windows
|
|
|
|
Ensures the ``PythonPath`` registry key from an install is used when
|
|
launching from a different copy of Python that relies on an existing install
|
|
to provide a copy of its modules and standard library.
|
|
|
|
..
|
|
|
|
.. date: 2023-01-11-14-42-11
|
|
.. gh-issue: 100247
|
|
.. nonce: YfEmSz
|
|
.. section: Windows
|
|
|
|
Restores support for the :file:`py.exe` launcher finding shebang commands in
|
|
its configuration file using the full command name.
|