mirror of https://github.com/python/cpython
1505 lines
31 KiB
ReStructuredText
1505 lines
31 KiB
ReStructuredText
.. bpo: 40791
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.. date: 2020-05-28-06-06-47
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.. nonce: QGZClX
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.. release date: 2020-12-07
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.. section: Security
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Add ``volatile`` to the accumulator variable in ``hmac.compare_digest``,
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making constant-time-defeating optimizations less likely.
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..
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.. bpo: 42576
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.. date: 2020-12-05-22-34-47
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.. nonce: lEeEl7
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.. section: Core and Builtins
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``types.GenericAlias`` will now raise a ``TypeError`` when attempting to
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initialize with a keyword argument. Previously, this would cause the
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interpreter to crash if the interpreter was compiled with debug symbols.
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This does not affect interpreters compiled for release. Patch by Ken Jin.
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..
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.. bpo: 42536
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.. date: 2020-12-02-20-23-31
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.. nonce: Kx3ZOu
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.. section: Core and Builtins
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Several built-in and standard library types now ensure that their internal
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result tuples are always tracked by the :term:`garbage collector <garbage
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collection>`:
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- :meth:`collections.OrderedDict.items() <collections.OrderedDict>`
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- :meth:`dict.items`
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- :func:`enumerate`
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- :func:`functools.reduce`
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- :func:`itertools.combinations`
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- :func:`itertools.combinations_with_replacement`
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- :func:`itertools.permutations`
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- :func:`itertools.product`
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- :func:`itertools.zip_longest`
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- :func:`zip`
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Previously, they could have become untracked by a prior garbage collection.
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Patch by Brandt Bucher.
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..
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.. bpo: 42500
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.. date: 2020-11-30-14-27-29
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.. nonce: excVKU
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.. section: Core and Builtins
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Improve handling of exceptions near recursion limit. Converts a number of
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Fatal Errors in RecursionErrors.
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..
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.. bpo: 42246
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.. date: 2020-11-24-14-01-43
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.. nonce: c9k9hj
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.. section: Core and Builtins
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PEP 626: After a return, the f_lineno attribute of a frame is always the
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last line executed.
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..
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.. bpo: 42435
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.. date: 2020-11-22-14-34-55
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.. nonce: uwlB2W
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.. section: Core and Builtins
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Speed up comparison of bytes objects with non-bytes objects when option
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:option:`-b` is specified. Speed up comparison of bytarray objects with
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non-buffer object.
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..
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.. bpo: 1635741
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.. date: 2020-11-18-23-46-31
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.. nonce: GVOQ-m
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.. section: Core and Builtins
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Port the ``_warnings`` extension module to the multi-phase initialization
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API (:pep:`489`). Patch by Victor Stinner.
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..
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.. bpo: 41686
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.. date: 2020-11-17-16-25-50
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.. nonce: hX77kL
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.. section: Core and Builtins
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On Windows, the ``SIGINT`` event, ``_PyOS_SigintEvent()``, is now created
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even if Python is configured to not install signal handlers (if
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:c:member:`PyConfig.install_signal_handlers` equals to 0, or
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``Py_InitializeEx(0)``).
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..
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.. bpo: 42381
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.. date: 2020-11-16-23-45-56
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.. nonce: G4AWxL
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.. section: Core and Builtins
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Allow assignment expressions in set literals and set comprehensions as per
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PEP 572. Patch by Pablo Galindo.
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..
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.. bpo: 42202
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.. date: 2020-11-16-18-13-07
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.. nonce: ZxenYD
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.. section: Core and Builtins
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Change function parameters annotations internal representation to tuple of
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strings. Patch provided by Yurii Karabas.
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..
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.. bpo: 42374
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.. date: 2020-11-16-17-57-09
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.. nonce: t7np1E
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.. section: Core and Builtins
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Fix a regression introduced by the new parser, where an unparenthesized
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walrus operator was not allowed within generator expressions.
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..
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.. bpo: 42316
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.. date: 2020-11-16-17-30-03
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.. nonce: _DdmpQ
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.. section: Core and Builtins
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Allow an unparenthesized walrus in subscript indexes.
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..
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.. bpo: 42349
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.. date: 2020-11-13-17-25-44
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.. nonce: JdWxez
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.. section: Core and Builtins
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Make sure that the compiler front-end produces a well-formed control flow
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graph. Be more aggressive in the compiler back-end, as it is now safe to
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do so.
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..
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.. bpo: 42296
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.. date: 2020-11-13-13-53-11
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.. nonce: DuGrLJ
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.. section: Core and Builtins
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On Windows, fix a regression in signal handling which prevented to interrupt
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a program using CTRL+C. The signal handler can be run in a thread different
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than the Python thread, in which case the test deciding if the thread can
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handle signals is wrong.
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..
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.. bpo: 42332
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.. date: 2020-11-12-23-16-14
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.. nonce: fEQIdk
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.. section: Core and Builtins
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:class:`types.GenericAlias` objects can now be the targets of weakrefs.
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..
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.. bpo: 42282
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.. date: 2020-11-07-21-02-05
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.. nonce: M1W4Wj
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.. section: Core and Builtins
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Optimise constant subexpressions that appear as part of named expressions
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(previously the AST optimiser did not descend into named expressions). Patch
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by Nick Coghlan.
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..
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.. bpo: 42266
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.. date: 2020-11-04-23-03-25
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.. nonce: G4hGDe
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.. section: Core and Builtins
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Fixed a bug with the LOAD_ATTR opcode cache that was not respecting
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monkey-patching a class-level attribute to make it a descriptor. Patch by
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Pablo Galindo.
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..
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.. bpo: 40077
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.. date: 2020-11-03-21-58-27
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.. nonce: a9qM1j
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.. section: Core and Builtins
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Convert :mod:`queue` to use heap types.
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..
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.. bpo: 42246
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.. date: 2020-11-02-15-48-17
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.. nonce: 3CNQEX
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.. section: Core and Builtins
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Improved accuracy of line tracing events and f_lineno attribute of Frame
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objects. See PEP 626 for details.
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..
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.. bpo: 40077
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.. date: 2020-11-02-14-39-48
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.. nonce: grY9TG
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.. section: Core and Builtins
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Convert :mod:`mmap` to use heap types.
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..
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.. bpo: 42233
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.. date: 2020-11-01-23-34-56
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.. nonce: zOSzja
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.. section: Core and Builtins
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Allow ``GenericAlias`` objects to use :ref:`union type expressions
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<types-union>`. This allows expressions like ``list[int] | dict[float,
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str]`` where previously a ``TypeError`` would have been thrown. This also
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fixes union type expressions not de-duplicating ``GenericAlias`` objects.
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(Contributed by Ken Jin in :issue:`42233`.)
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..
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.. bpo: 26131
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.. date: 2020-10-22-17-27-08
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.. nonce: B-Veg7
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.. section: Core and Builtins
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The import system triggers a ``ImportWarning`` when it falls back to using
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``load_module()``.
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..
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.. bpo: 5054
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.. date: 2020-12-04-03-51-12
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.. nonce: 53StYZ
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.. section: Library
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CGIHTTPRequestHandler.run_cgi() HTTP_ACCEPT improperly parsed. Replace the
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special purpose getallmatchingheaders with generic get_all method and add
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relevant tests.
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Original Patch by Martin Panter. Modified by Senthil Kumaran.
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..
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.. bpo: 42562
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.. date: 2020-12-03-22-42-03
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.. nonce: 2hPmhi
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.. section: Library
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Fix issue when dis failed to parse function that has no line numbers. Patch
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provided by Yurii Karabas.
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..
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.. bpo: 17735
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.. date: 2020-12-03-22-22-24
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.. nonce: Qsaaue
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.. section: Library
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:func:`inspect.findsource` now raises :exc:`OSError` instead of
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:exc:`IndexError` when :attr:`co_lineno` of a code object is greater than
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the file length. This can happen, for example, when a file is edited after
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it was imported. PR by Irit Katriel.
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..
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.. bpo: 42116
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.. date: 2020-12-03-15-42-32
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.. nonce: yIwroP
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.. section: Library
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Fix handling of trailing comments by :func:`inspect.getsource`.
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..
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.. bpo: 42532
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.. date: 2020-12-02-07-37-59
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.. nonce: ObNep_
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.. section: Library
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Remove unexpected call of ``__bool__`` when passing a ``spec_arg`` argument
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to a Mock.
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..
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.. bpo: 38200
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.. date: 2020-11-28-22-52-57
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.. nonce: DuWGlW
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.. section: Library
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Added itertools.pairwise()
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..
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.. bpo: 41818
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.. date: 2020-11-28-06-34-53
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.. nonce: mFSMc2
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.. section: Library
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Fix test_master_read() so that it succeeds on all platforms that either
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raise OSError or return b"" upon reading from master.
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..
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.. bpo: 42487
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.. date: 2020-11-28-04-31-20
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.. nonce: iqtC4L
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.. section: Library
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ChainMap.__iter__ no longer calls __getitem__ on underlying maps
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..
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.. bpo: 42482
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.. date: 2020-11-27-16-46-58
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.. nonce: EJC3sd
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.. section: Library
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:class:`~traceback.TracebackException` no longer holds a reference to the
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exception's traceback object. Consequently, instances of TracebackException
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for equivalent but non-equal exceptions now compare as equal.
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..
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.. bpo: 41818
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.. date: 2020-11-27-09-19-43
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.. nonce: KWYUbL
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.. section: Library
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Make test_openpty() avoid unexpected success due to number of rows and/or
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number of columns being == 0.
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..
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.. bpo: 42392
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.. date: 2020-11-26-12-40-16
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.. nonce: GbmdHE
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.. section: Library
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Remove loop parameter from ``asyncio.subprocess`` and ``asyncio.tasks``
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functions. Patch provided by Yurii Karabas.
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..
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.. bpo: 42392
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.. date: 2020-11-25-22-44-59
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.. nonce: T_DAEl
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.. section: Library
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Remove loop parameter from ``asyncio.open_connection`` and
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``asyncio.start_server`` functions. Patch provided by Yurii Karabas.
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..
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.. bpo: 28468
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.. date: 2020-11-24-13-18-05
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.. nonce: 8Gh2d4
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.. section: Library
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Add :func:`platform.freedesktop_os_release` function to parse
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freedesktop.org ``os-release`` files.
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..
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.. bpo: 42299
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.. date: 2020-11-23-23-42-08
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.. nonce: Fdn4Wf
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.. section: Library
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Removed the ``formatter`` module, which was deprecated in Python 3.4. It is
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somewhat obsolete, little used, and not tested. It was originally scheduled
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to be removed in Python 3.6, but such removals were delayed until after
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Python 2.7 EOL. Existing users should copy whatever classes they use into
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their code. Patch by Donghee Na and and Terry J. Reedy.
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..
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.. bpo: 26131
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.. date: 2020-11-22-12-30-26
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.. nonce: -HsFPG
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.. section: Library
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Deprecate zipimport.zipimporter.load_module() in favour of exec_module().
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..
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.. bpo: 41818
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.. date: 2020-11-20-14-44-07
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.. nonce: 33soAw
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.. section: Library
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Updated tests for the pty library. test_basic() has been changed to
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test_openpty(); this additionally checks if slave termios and slave winsize
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are being set properly by pty.openpty(). In order to add support for
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FreeBSD, NetBSD, OpenBSD, and Darwin, this also adds test_master_read(),
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which demonstrates that pty.spawn() should not depend on an OSError to exit
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from its copy loop.
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..
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.. bpo: 42392
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.. date: 2020-11-20-14-01-29
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.. nonce: -OUzvl
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.. section: Library
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Remove loop parameter from ``__init__`` in all ``asyncio.locks`` and
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``asyncio.Queue`` classes. Patch provided by Yurii Karabas.
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..
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.. bpo: 15450
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.. date: 2020-11-20-10-38-34
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.. nonce: E-y9PA
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.. section: Library
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Make :class:`filecmp.dircmp` respect subclassing. Now the
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:attr:`filecmp.dircmp.subdirs` behaves as expected when subclassing dircmp.
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..
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.. bpo: 42413
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.. date: 2020-11-19-20-27-51
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.. nonce: fjHrHx
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.. section: Library
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The exception :exc:`socket.timeout` is now an alias of :exc:`TimeoutError`.
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..
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.. bpo: 31904
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.. date: 2020-11-19-16-14-36
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.. nonce: 83kf9d
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.. section: Library
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Support signal module on VxWorks.
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..
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.. bpo: 42406
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.. date: 2020-11-19-10-44-41
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.. nonce: r9rNCj
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.. section: Library
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We fixed an issue in ``pickle.whichmodule`` in which importing
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``multiprocessing`` could change the how pickle identifies which module an
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object belongs to, potentially breaking the unpickling of those objects.
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..
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.. bpo: 42403
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.. date: 2020-11-19-10-12-39
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.. nonce: t7q5AX
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.. section: Library
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Simplify the :mod:`importlib` external bootstrap code:
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``importlib._bootstrap_external`` now uses regular imports to import builtin
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modules. When it is imported, the builtin :func:`__import__()` function is
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already fully working and so can be used to import builtin modules like
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:mod:`sys`. Patch by Victor Stinner.
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..
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.. bpo: 1635741
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.. date: 2020-11-19-09-59-07
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.. nonce: 7cMypH
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.. section: Library
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Convert _sre module types to heap types (PEP 384). Patch by Erlend E.
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Aasland.
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..
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.. bpo: 42375
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.. date: 2020-11-19-04-13-53
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.. nonce: U8bp4s
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.. section: Library
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subprocess module update for DragonFlyBSD support.
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..
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.. bpo: 41713
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.. date: 2020-11-17-23-00-27
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.. nonce: -Us0tf
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.. section: Library
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Port the ``_signal`` extension module to the multi-phase initialization API
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(:pep:`489`). Patch by Victor Stinner and Mohamed Koubaa.
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..
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.. bpo: 37205
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.. date: 2020-11-16-15-08-12
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.. nonce: Wh5svI
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.. section: Library
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:func:`time.time()`, :func:`time.perf_counter()` and
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:func:`time.monotonic()` functions can no longer fail with a Python fatal
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error, instead raise a regular Python exception on failure.
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..
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.. bpo: 42328
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.. date: 2020-11-15-17-02-00
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.. nonce: bqpPlR
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.. section: Library
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Fixed :meth:`tkinter.ttk.Style.map`. The function accepts now the
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representation of the default state as empty sequence (as returned by
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``Style.map()``). The structure of the result is now the same on all
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platform and does not depend on the value of ``wantobjects``.
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..
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.. bpo: 42345
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.. date: 2020-11-15-15-23-34
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.. nonce: hiIR7x
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.. section: Library
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Fix various issues with ``typing.Literal`` parameter handling (flatten,
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deduplicate, use type to cache key). Patch provided by Yurii Karabas.
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..
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.. bpo: 37205
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.. date: 2020-11-14-14-34-32
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.. nonce: iDbHrw
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.. section: Library
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:func:`time.perf_counter()` on Windows and :func:`time.monotonic()` on macOS
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are now system-wide. Previously, they used an offset computed at startup to
|
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reduce the precision loss caused by the float type. Use
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:func:`time.perf_counter_ns()` and :func:`time.monotonic_ns()` added in
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Python 3.7 to avoid this precision loss.
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..
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.. bpo: 42318
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.. date: 2020-11-14-13-46-27
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.. nonce: wYAcBD
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.. section: Library
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Fixed support of non-BMP characters in :mod:`tkinter` on macOS.
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..
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.. bpo: 42350
|
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.. date: 2020-11-13-18-53-50
|
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.. nonce: rsql7V
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.. section: Library
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Fix the :class:`threading.Thread` class at fork: do nothing if the thread is
|
|
already stopped (ex: fork called at Python exit). Previously, an error was
|
|
logged in the child process.
|
|
|
|
..
|
|
|
|
.. bpo: 42333
|
|
.. date: 2020-11-12-18-21-15
|
|
.. nonce: J9vFmV
|
|
.. section: Library
|
|
|
|
Port _ssl extension module to heap types.
|
|
|
|
..
|
|
|
|
.. bpo: 42014
|
|
.. date: 2020-11-10-15-40-56
|
|
.. nonce: ShM37l
|
|
.. section: Library
|
|
|
|
The ``onerror`` callback from ``shutil.rmtree`` now receives correct
|
|
function when ``os.open`` fails.
|
|
|
|
..
|
|
|
|
.. bpo: 42237
|
|
.. date: 2020-11-10-14-27-49
|
|
.. nonce: F363jO
|
|
.. section: Library
|
|
|
|
Fix ``os.sendfile()`` on illumos.
|
|
|
|
..
|
|
|
|
.. bpo: 42308
|
|
.. date: 2020-11-10-12-09-13
|
|
.. nonce: yaJHH9
|
|
.. section: Library
|
|
|
|
Add :data:`threading.__excepthook__` to allow retrieving the original value
|
|
of :func:`threading.excepthook` in case it is set to a broken or a different
|
|
value. Patch by Mario Corchero.
|
|
|
|
..
|
|
|
|
.. bpo: 42131
|
|
.. date: 2020-11-06-18-20-47
|
|
.. nonce: l2rjjG
|
|
.. section: Library
|
|
|
|
Implement PEP 451/spec methods on zipimport.zipimporter: find_spec(),
|
|
create_module(), and exec_module().
|
|
|
|
This also allows for the documented deprecation of find_loader(),
|
|
find_module(), and load_module().
|
|
|
|
..
|
|
|
|
.. bpo: 41877
|
|
.. date: 2020-11-05-16-00-03
|
|
.. nonce: FHbngM
|
|
.. section: Library
|
|
|
|
Mock objects which are not unsafe will now raise an AttributeError if an
|
|
attribute with the prefix asert, aseert, or assrt is accessed, in addition
|
|
to this already happening for the prefixes assert or assret.
|
|
|
|
..
|
|
|
|
.. bpo: 42264
|
|
.. date: 2020-11-05-13-32-41
|
|
.. nonce: r4KYUU
|
|
.. section: Library
|
|
|
|
``sqlite3.OptimizedUnicode`` has been undocumented and obsolete since Python
|
|
3.3, when it was made an alias to :class:`str`. It is now deprecated,
|
|
scheduled for removal in Python 3.12.
|
|
|
|
..
|
|
|
|
.. bpo: 42251
|
|
.. date: 2020-11-03-14-15-35
|
|
.. nonce: 6TC32V
|
|
.. section: Library
|
|
|
|
Added :func:`threading.gettrace` and :func:`threading.getprofile` to
|
|
retrieve the functions set by :func:`threading.settrace` and
|
|
:func:`threading.setprofile` respectively. Patch by Mario Corchero.
|
|
|
|
..
|
|
|
|
.. bpo: 42249
|
|
.. date: 2020-11-03-09-22-56
|
|
.. nonce: vfNO2u
|
|
.. section: Library
|
|
|
|
Fixed writing binary Plist files larger than 4 GiB.
|
|
|
|
..
|
|
|
|
.. bpo: 42236
|
|
.. date: 2020-11-02-23-05-17
|
|
.. nonce: aJ6ZBR
|
|
.. section: Library
|
|
|
|
On Unix, the :func:`os.device_encoding` function now returns ``'UTF-8'``
|
|
rather than the device encoding if the :ref:`Python UTF-8 Mode <utf8-mode>`
|
|
is enabled.
|
|
|
|
..
|
|
|
|
.. bpo: 41754
|
|
.. date: 2020-11-01-15-07-20
|
|
.. nonce: DraSZh
|
|
.. section: Library
|
|
|
|
webbrowser: Ignore *NotADirectoryError* when calling ``xdg-settings``.
|
|
|
|
..
|
|
|
|
.. bpo: 42183
|
|
.. date: 2020-10-29-11-17-35
|
|
.. nonce: 50ZcIi
|
|
.. section: Library
|
|
|
|
Fix a stack overflow error for asyncio Task or Future repr().
|
|
|
|
The overflow occurs under some circumstances when a Task or Future
|
|
recursively returns itself.
|
|
|
|
..
|
|
|
|
.. bpo: 42140
|
|
.. date: 2020-10-24-04-02-36
|
|
.. nonce: miLqvb
|
|
.. section: Library
|
|
|
|
Improve asyncio.wait function to create the futures set just one time.
|
|
|
|
..
|
|
|
|
.. bpo: 42133
|
|
.. date: 2020-10-23-15-47-47
|
|
.. nonce: BzizYV
|
|
.. section: Library
|
|
|
|
Update various modules in the stdlib to fall back on ``__spec__.loader`` when
|
|
``__loader__`` isn't defined on a module.
|
|
|
|
..
|
|
|
|
.. bpo: 26131
|
|
.. date: 2020-10-22-17-26-35
|
|
.. nonce: CAsI3O
|
|
.. section: Library
|
|
|
|
The ``load_module()`` methods found in ``importlib`` now trigger a
|
|
``DeprecationWarning``.
|
|
|
|
..
|
|
|
|
.. bpo: 39825
|
|
.. date: 2020-10-20-08-28-26
|
|
.. nonce: n6KnG0
|
|
.. section: Library
|
|
|
|
Windows: Change ``sysconfig.get_config_var('EXT_SUFFIX')`` to the expected
|
|
full ``platform_tag.extension`` format. Previously it was hard-coded to
|
|
``.pyd``, now it is compatible with ``distutils.sysconfig`` and will result
|
|
in something like ``.cp38-win_amd64.pyd``. This brings windows into
|
|
conformance with the other platforms.
|
|
|
|
..
|
|
|
|
.. bpo: 26389
|
|
.. date: 2020-10-08-23-51-55
|
|
.. nonce: uga44e
|
|
.. section: Library
|
|
|
|
The :func:`traceback.format_exception`,
|
|
:func:`traceback.format_exception_only`, and
|
|
:func:`traceback.print_exception` functions can now take an exception object
|
|
as a positional-only argument.
|
|
|
|
..
|
|
|
|
.. bpo: 41889
|
|
.. date: 2020-10-01-16-17-11
|
|
.. nonce: qLkNh8
|
|
.. section: Library
|
|
|
|
Enum: fix regression involving inheriting a multiply inherited enum
|
|
|
|
..
|
|
|
|
.. bpo: 41861
|
|
.. date: 2020-10-01-15-44-52
|
|
.. nonce: YTqJ7z
|
|
.. section: Library
|
|
|
|
Convert :mod:`sqlite3` to use heap types (PEP 384). Patch by Erlend E.
|
|
Aasland.
|
|
|
|
..
|
|
|
|
.. bpo: 40624
|
|
.. date: 2020-09-08-03-19-04
|
|
.. nonce: 0-gYfx
|
|
.. section: Library
|
|
|
|
Added support for the XPath ``!=`` operator in xml.etree
|
|
|
|
..
|
|
|
|
.. bpo: 28850
|
|
.. date: 2020-09-06-21-55-44
|
|
.. nonce: HJNggD
|
|
.. section: Library
|
|
|
|
Fix :meth:`pprint.PrettyPrinter.format` overrides being ignored for contents
|
|
of small containers. The :func:`pprint._safe_repr` function was removed.
|
|
|
|
..
|
|
|
|
.. bpo: 41625
|
|
.. date: 2020-08-24-16-59-04
|
|
.. nonce: Cc967V
|
|
.. section: Library
|
|
|
|
Expose the :c:func:`splice` as :func:`os.splice` in the :mod:`os` module.
|
|
Patch by Pablo Galindo
|
|
|
|
..
|
|
|
|
.. bpo: 34215
|
|
.. date: 2020-08-19-20-17-51
|
|
.. nonce: _Cv8c-
|
|
.. section: Library
|
|
|
|
Clarify the error message for :exc:`asyncio.IncompleteReadError` when
|
|
``expected`` is ``None``.
|
|
|
|
..
|
|
|
|
.. bpo: 41543
|
|
.. date: 2020-08-14-00-39-04
|
|
.. nonce: RpcRjb
|
|
.. section: Library
|
|
|
|
Add async context manager support for contextlib.nullcontext.
|
|
|
|
..
|
|
|
|
.. bpo: 21041
|
|
.. date: 2020-08-10-15-06-55
|
|
.. nonce: cYz1eL
|
|
.. section: Library
|
|
|
|
:attr:`pathlib.PurePath.parents` now supports negative indexing. Patch
|
|
contributed by Yaroslav Pankovych.
|
|
|
|
..
|
|
|
|
.. bpo: 41332
|
|
.. date: 2020-07-18-17-39-28
|
|
.. nonce: QRGmA5
|
|
.. section: Library
|
|
|
|
Added missing connect_accepted_socket() method to
|
|
``asyncio.AbstractEventLoop``.
|
|
|
|
..
|
|
|
|
.. bpo: 12800
|
|
.. date: 2020-07-09-11-32-28
|
|
.. nonce: fNgWwx
|
|
.. section: Library
|
|
|
|
Extracting a symlink from a tarball should succeed and overwrite the symlink
|
|
if it already exists. The fix is to remove the existing file or symlink
|
|
before extraction. Based on patch by Chris AtLee, Jeffrey Kintscher, and
|
|
Senthil Kumaran.
|
|
|
|
..
|
|
|
|
.. bpo: 40968
|
|
.. date: 2020-06-18-11-35-16
|
|
.. nonce: R8Edbv
|
|
.. section: Library
|
|
|
|
:mod:`urllib.request` and :mod:`http.client` now send ``http/1.1`` ALPN
|
|
extension during TLS handshake when no custom context is supplied.
|
|
|
|
..
|
|
|
|
.. bpo: 41001
|
|
.. date: 2020-06-17-12-24-26
|
|
.. nonce: 5mi7b0
|
|
.. section: Library
|
|
|
|
Add :func:`os.eventfd` to provide a low level interface for Linux's event
|
|
notification file descriptor.
|
|
|
|
..
|
|
|
|
.. bpo: 40816
|
|
.. date: 2020-05-29-15-25-41
|
|
.. nonce: w61Pob
|
|
.. section: Library
|
|
|
|
Add AsyncContextDecorator to contextlib to support async context manager as
|
|
a decorator.
|
|
|
|
..
|
|
|
|
.. bpo: 40550
|
|
.. date: 2020-05-08-21-30-54
|
|
.. nonce: i7GWkb
|
|
.. section: Library
|
|
|
|
Fix time-of-check/time-of-action issue in subprocess.Popen.send_signal.
|
|
|
|
..
|
|
|
|
.. bpo: 39411
|
|
.. date: 2020-01-21-16-38-25
|
|
.. nonce: 9uHFqT
|
|
.. section: Library
|
|
|
|
Add an ``is_async`` identifier to :mod:`pyclbr`'s ``Function`` objects.
|
|
Patch by Batuhan Taskaya
|
|
|
|
..
|
|
|
|
.. bpo: 35498
|
|
.. date: 2018-12-14-13-29-17
|
|
.. nonce: LEJHl7
|
|
.. section: Library
|
|
|
|
Add slice support to :attr:`pathlib.PurePath.parents`.
|
|
|
|
..
|
|
|
|
.. bpo: 42238
|
|
.. date: 2020-11-24-22-54-49
|
|
.. nonce: 62EOTu
|
|
.. section: Documentation
|
|
|
|
Tentative to deprecate ``make suspicious`` by first removing it from the CI
|
|
and documentation builds, but keeping it around for manual uses.
|
|
|
|
..
|
|
|
|
.. bpo: 42153
|
|
.. date: 2020-11-15-13-46-31
|
|
.. nonce: KjBhx3
|
|
.. section: Documentation
|
|
|
|
Fix the URL for the IMAP protocol documents.
|
|
|
|
..
|
|
|
|
.. bpo: 41028
|
|
.. date: 2020-06-18-23-37-03
|
|
.. nonce: vM8bC8
|
|
.. section: Documentation
|
|
|
|
Language and version switchers, previously maintained in every cpython
|
|
branches, are now handled by docsbuild-script.
|
|
|
|
..
|
|
|
|
.. bpo: 41473
|
|
.. date: 2020-12-04-11-47-09
|
|
.. nonce: W_updK
|
|
.. section: Tests
|
|
|
|
Re-enable test_gdb on gdb 9.2 and newer:
|
|
https://bugzilla.redhat.com/show_bug.cgi?id=1866884 bug is fixed in gdb
|
|
10.1.
|
|
|
|
..
|
|
|
|
.. bpo: 42553
|
|
.. date: 2020-12-03-13-32-44
|
|
.. nonce: 2TRE2N
|
|
.. section: Tests
|
|
|
|
Fix ``test_asyncio.test_call_later()`` race condition: don't measure asyncio
|
|
performance in the ``call_later()`` unit test. The test failed randomly on
|
|
the CI.
|
|
|
|
..
|
|
|
|
.. bpo: 31904
|
|
.. date: 2020-12-01-15-51-19
|
|
.. nonce: iwetj4
|
|
.. section: Tests
|
|
|
|
Fix test_netrc on VxWorks: create temporary directories using temp_cwd().
|
|
|
|
..
|
|
|
|
.. bpo: 31904
|
|
.. date: 2020-11-26-11-13-13
|
|
.. nonce: ay4g89
|
|
.. section: Tests
|
|
|
|
skip test_getaddrinfo_ipv6_scopeid_symbolic and
|
|
test_getnameinfo_ipv6_scopeid_symbolic on VxWorks
|
|
|
|
..
|
|
|
|
.. bpo: 31904
|
|
.. date: 2020-11-25-17-00-53
|
|
.. nonce: ue4hd9
|
|
.. section: Tests
|
|
|
|
skip test_test of test_mailcap on VxWorks
|
|
|
|
..
|
|
|
|
.. bpo: 31904
|
|
.. date: 2020-11-24-17-26-41
|
|
.. nonce: eug834
|
|
.. section: Tests
|
|
|
|
add shell requirement for test_pipes
|
|
|
|
..
|
|
|
|
.. bpo: 31904
|
|
.. date: 2020-11-23-11-11-29
|
|
.. nonce: V3sUZk
|
|
.. section: Tests
|
|
|
|
skip some tests related to fifo on VxWorks
|
|
|
|
..
|
|
|
|
.. bpo: 31904
|
|
.. date: 2020-11-20-15-07-18
|
|
.. nonce: EBJXjJ
|
|
.. section: Tests
|
|
|
|
Fix test_doctest.py failures for VxWorks.
|
|
|
|
..
|
|
|
|
.. bpo: 40754
|
|
.. date: 2020-11-13-21-51-34
|
|
.. nonce: Ekoxkg
|
|
.. section: Tests
|
|
|
|
Include ``_testinternalcapi`` module in Windows installer for test suite
|
|
|
|
..
|
|
|
|
.. bpo: 41561
|
|
.. date: 2020-09-18-16-14-03
|
|
.. nonce: uPnwrW
|
|
.. section: Tests
|
|
|
|
test_ssl: skip test_min_max_version_mismatch when TLS 1.0 is not available
|
|
|
|
..
|
|
|
|
.. bpo: 31904
|
|
.. date: 2020-05-20-17-28-46
|
|
.. nonce: yt83Ge
|
|
.. section: Tests
|
|
|
|
Fix os module failures for VxWorks RTOS.
|
|
|
|
..
|
|
|
|
.. bpo: 31904
|
|
.. date: 2020-05-20-14-28-48
|
|
.. nonce: yJik6k
|
|
.. section: Tests
|
|
|
|
Fix fifo test cases for VxWorks RTOS.
|
|
|
|
..
|
|
|
|
.. bpo: 31904
|
|
.. date: 2020-11-19-17-01-50
|
|
.. nonce: 894dk2
|
|
.. section: Build
|
|
|
|
remove libnet dependency from detect_socket() for VxWorks
|
|
|
|
..
|
|
|
|
.. bpo: 42398
|
|
.. date: 2020-11-18-11-58-44
|
|
.. nonce: Yt5wO8
|
|
.. section: Build
|
|
|
|
Fix a race condition in "make regen-all" when make -jN option is used to run
|
|
jobs in parallel. The clinic.py script now only use atomic write to write
|
|
files. Moveover, generated files are now left unchanged if the content does
|
|
not change, to not change the file modification time.
|
|
|
|
..
|
|
|
|
.. bpo: 41617
|
|
.. date: 2020-11-13-15-04-53
|
|
.. nonce: 98_oaE
|
|
.. section: Build
|
|
|
|
Fix building ``pycore_bitutils.h`` internal header on old clang version
|
|
without ``__builtin_bswap16()`` (ex: Xcode 4.6.3 on Mac OS X 10.7). Patch by
|
|
Joshua Root and Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 38823
|
|
.. date: 2020-11-12-13-45-15
|
|
.. nonce: C0z_Fe
|
|
.. section: Build
|
|
|
|
It is no longer possible to build the ``_ctypes`` extension module without
|
|
:c:type:`wchar_t` type: remove ``CTYPES_UNICODE`` macro. Anyway, the
|
|
:c:type:`wchar_t` type is required to build Python. Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 42087
|
|
.. date: 2020-10-19-15-41-05
|
|
.. nonce: 2AhRFP
|
|
.. section: Build
|
|
|
|
Support was removed for AIX 5.3 and below. See :issue:`40680`.
|
|
|
|
..
|
|
|
|
.. bpo: 40998
|
|
.. date: 2020-06-17-09-05-02
|
|
.. nonce: sgqmg9
|
|
.. section: Build
|
|
|
|
Addressed three compiler warnings found by undefined behavior sanitizer
|
|
(ubsan).
|
|
|
|
..
|
|
|
|
.. bpo: 42120
|
|
.. date: 2020-11-16-22-41-02
|
|
.. nonce: 9scgko
|
|
.. section: Windows
|
|
|
|
Remove macro definition of ``copysign`` (to ``_copysign``) in headers.
|
|
|
|
..
|
|
|
|
.. bpo: 38506
|
|
.. date: 2020-11-15-23-01-14
|
|
.. nonce: hhdnuP
|
|
.. section: Windows
|
|
|
|
The Windows launcher now properly handles Python 3.10 when listing installed
|
|
Python versions.
|
|
|
|
..
|
|
|
|
.. bpo: 42504
|
|
.. date: 2020-12-02-15-48-40
|
|
.. nonce: RQmMOR
|
|
.. section: macOS
|
|
|
|
Fix build on macOS Big Sur when MACOSX_DEPLOYMENT_TARGET=11
|
|
|
|
..
|
|
|
|
.. bpo: 41116
|
|
.. date: 2020-11-15-16-43-45
|
|
.. nonce: oCkbrF
|
|
.. section: macOS
|
|
|
|
Ensure distutils.unixxcompiler.find_library_file can find system provided
|
|
libraries on macOS 11.
|
|
|
|
..
|
|
|
|
.. bpo: 41100
|
|
.. date: 2020-11-01-16-40-23
|
|
.. nonce: BApztP
|
|
.. section: macOS
|
|
|
|
Add support for macOS 11 and Apple Silicon systems.
|
|
|
|
It is now possible to build "Universal 2" binaries using
|
|
"--enable-universalsdk --with-universal-archs=universal2".
|
|
|
|
Binaries build on later macOS versions can be deployed back to older
|
|
versions (tested up to macOS 10.9), when using the correct deployment
|
|
target. This is tested using Xcode 11 and later.
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|
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|
..
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.. bpo: 42232
|
|
.. date: 2020-11-01-15-10-28
|
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.. nonce: 2zI1GN
|
|
.. section: macOS
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|
|
|
Added Darwin specific madvise options to mmap module.
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|
|
|
..
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.. bpo: 38443
|
|
.. date: 2020-10-23-10-26-53
|
|
.. nonce: vu64tl
|
|
.. section: macOS
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|
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|
The ``--enable-universalsdk`` and ``--with-universal-archs`` options for the
|
|
configure script now check that the specified architectures can be used.
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|
|
..
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|
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.. bpo: 42508
|
|
.. date: 2020-11-30-19-46-05
|
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.. nonce: fE7w4M
|
|
.. section: IDLE
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|
|
|
Keep IDLE running on macOS. Remove obsolete workaround that prevented
|
|
running files with shortcuts when using new universal2 installers built on
|
|
macOS 11.
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..
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.. bpo: 42426
|
|
.. date: 2020-11-21-17-21-21
|
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.. nonce: kNnPoC
|
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.. section: IDLE
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|
|
Fix reporting offset of the RE error in searchengine.
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..
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.. bpo: 42415
|
|
.. date: 2020-11-20-01-30-27
|
|
.. nonce: CyD-va
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|
.. section: IDLE
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|
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Get docstrings for IDLE calltips more often by using inspect.getdoc.
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..
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.. bpo: 42212
|
|
.. date: 2020-11-20-15-11-05
|
|
.. nonce: sjzgOf
|
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.. section: Tools/Demos
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|
|
The smelly.py script now also checks the Python dynamic library and
|
|
extension modules, not only the Python static library. Make also the script
|
|
more verbose: explain what it does.
|
|
|
|
..
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|
|
|
.. bpo: 36310
|
|
.. date: 2020-05-03-01-30-46
|
|
.. nonce: xDxxwY
|
|
.. section: Tools/Demos
|
|
|
|
Allow :file:`Tools/i18n/pygettext.py` to detect calls to ``gettext`` in
|
|
f-strings.
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|
|
..
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|
|
|
.. bpo: 42423
|
|
.. date: 2020-11-21-12-27-19
|
|
.. nonce: ByJHhY
|
|
.. section: C API
|
|
|
|
The :c:func:`PyType_FromSpecWithBases` and
|
|
:c:func:`PyType_FromModuleAndSpec` functions now accept a single class as
|
|
the *bases* argument.
|
|
|
|
..
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|
|
|
.. bpo: 1635741
|
|
.. date: 2020-11-19-17-44-36
|
|
.. nonce: qBZc3o
|
|
.. section: C API
|
|
|
|
Port :mod:`select` extension module to multiphase initialization
|
|
(:pep:`489`).
|
|
|
|
..
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|
|
|
.. bpo: 1635741
|
|
.. date: 2020-11-19-16-54-16
|
|
.. nonce: 9tVsZt
|
|
.. section: C API
|
|
|
|
Port _posixsubprocess extension module to multiphase initialization
|
|
(:pep:`489`).
|
|
|
|
..
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|
|
|
.. bpo: 1635741
|
|
.. date: 2020-11-19-15-33-42
|
|
.. nonce: 9tVsZt
|
|
.. section: C API
|
|
|
|
Port _posixshmem extension module to multiphase initialization (:pep:`489`)
|
|
|
|
..
|
|
|
|
.. bpo: 1635741
|
|
.. date: 2020-11-19-12-06-43
|
|
.. nonce: KEfZpn
|
|
.. section: C API
|
|
|
|
Port _struct extension module to multiphase initialization (:pep:`489`)
|
|
|
|
..
|
|
|
|
.. bpo: 1635741
|
|
.. date: 2020-11-19-09-17-01
|
|
.. nonce: 6F9o6L
|
|
.. section: C API
|
|
|
|
Port :mod:`!spwd` extension module to multiphase initialization (:pep:`489`)
|
|
|
|
..
|
|
|
|
.. bpo: 1635741
|
|
.. date: 2020-11-18-20-33-35
|
|
.. nonce: B4ztSk
|
|
.. section: C API
|
|
|
|
Port :mod:`gc` extension module to multiphase initialization (:pep:`489`)
|
|
|
|
..
|
|
|
|
.. bpo: 1635741
|
|
.. date: 2020-11-18-20-11-13
|
|
.. nonce: fe3iRb
|
|
.. section: C API
|
|
|
|
Port _queue extension module to multiphase initialization (:pep:`489`)
|
|
|
|
..
|
|
|
|
.. bpo: 39573
|
|
.. date: 2020-11-18-15-21-59
|
|
.. nonce: VB3G2y
|
|
.. section: C API
|
|
|
|
Convert :c:func:`Py_TYPE` and :c:func:`Py_SIZE` back to macros to allow
|
|
using them as an l-value. Many third party C extension modules rely on the
|
|
ability of using Py_TYPE() and Py_SIZE() to set an object type and size:
|
|
``Py_TYPE(obj) = type;`` and ``Py_SIZE(obj) = size;``.
|
|
|
|
..
|
|
|
|
.. bpo: 1635741
|
|
.. date: 2020-11-18-10-52-38
|
|
.. nonce: FrWAwJ
|
|
.. section: C API
|
|
|
|
Port :mod:`symtable` extension module to multiphase initialization
|
|
(:pep:`489`)
|
|
|
|
..
|
|
|
|
.. bpo: 1635741
|
|
.. date: 2020-11-18-09-46-35
|
|
.. nonce: SH8OIT
|
|
.. section: C API
|
|
|
|
Port :mod:`grp` and :mod:`pwd` extension modules to multiphase
|
|
initialization (:pep:`489`)
|
|
|
|
..
|
|
|
|
.. bpo: 1635741
|
|
.. date: 2020-11-18-09-16-23
|
|
.. nonce: gkoI7Y
|
|
.. section: C API
|
|
|
|
Port _random extension module to multiphase initialization (:pep:`489`)
|
|
|
|
..
|
|
|
|
.. bpo: 1635741
|
|
.. date: 2020-11-18-08-45-36
|
|
.. nonce: VLZfiY
|
|
.. section: C API
|
|
|
|
Port _hashlib extension module to multiphase initialization (:pep:`489`)
|
|
|
|
..
|
|
|
|
.. bpo: 41713
|
|
.. date: 2020-11-17-15-39-10
|
|
.. nonce: Rq99Vc
|
|
.. section: C API
|
|
|
|
Removed the undocumented ``PyOS_InitInterrupts()`` function. Initializing
|
|
Python already implicitly installs signal handlers: see
|
|
:c:member:`PyConfig.install_signal_handlers`. Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 40170
|
|
.. date: 2020-11-13-01-40-28
|
|
.. nonce: uh8lEf
|
|
.. section: C API
|
|
|
|
The ``Py_TRASHCAN_BEGIN`` macro no longer accesses PyTypeObject attributes,
|
|
but now can get the condition by calling the new private
|
|
:c:func:`_PyTrash_cond()` function which hides implementation details.
|
|
|
|
..
|
|
|
|
.. bpo: 42260
|
|
.. date: 2020-11-10-14-27-39
|
|
.. nonce: -Br3Co
|
|
.. section: C API
|
|
|
|
:c:func:`Py_GetPath`, :c:func:`Py_GetPrefix`, :c:func:`Py_GetExecPrefix`,
|
|
:c:func:`Py_GetProgramFullPath`, :c:func:`Py_GetPythonHome` and
|
|
:c:func:`Py_GetProgramName` functions now return ``NULL`` if called before
|
|
:c:func:`Py_Initialize` (before Python is initialized). Use the new
|
|
:ref:`Python Initialization Configuration API <init-config>` to get the
|
|
:ref:`Python Path Configuration. <init-path-config>`. Patch by Victor
|
|
Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 42260
|
|
.. date: 2020-11-05-18-02-07
|
|
.. nonce: pAeaNR
|
|
.. section: C API
|
|
|
|
The :c:func:`PyConfig_Read` function now only parses
|
|
:c:member:`PyConfig.argv` arguments once: :c:member:`PyConfig.parse_argv` is
|
|
set to ``2`` after arguments are parsed. Since Python arguments are
|
|
strippped from :c:member:`PyConfig.argv`, parsing arguments twice would
|
|
parse the application options as Python options.
|
|
|
|
..
|
|
|
|
.. bpo: 42262
|
|
.. date: 2020-11-04-17-22-36
|
|
.. nonce: fCWzBb
|
|
.. section: C API
|
|
|
|
Added :c:func:`Py_NewRef` and :c:func:`Py_XNewRef` functions to increment
|
|
the reference count of an object and return the object. Patch by Victor
|
|
Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 42260
|
|
.. date: 2020-11-04-16-31-55
|
|
.. nonce: CmgHtF
|
|
.. section: C API
|
|
|
|
When :c:func:`Py_Initialize` is called twice, the second call now updates
|
|
more :mod:`sys` attributes for the configuration, rather than only
|
|
:data:`sys.argv`. Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 41832
|
|
.. date: 2020-11-03-19-47-06
|
|
.. nonce: dL1VJJ
|
|
.. section: C API
|
|
|
|
The :c:func:`PyType_FromModuleAndSpec` function now accepts NULL ``tp_doc``
|
|
slot.
|
|
|
|
..
|
|
|
|
.. bpo: 1635741
|
|
.. date: 2020-11-03-11-52-27
|
|
.. nonce: aDYJKB
|
|
.. section: C API
|
|
|
|
Added :c:func:`PyModule_AddObjectRef` function: similar to
|
|
:c:func:`PyModule_AddObject` but don't steal a reference to the value on
|
|
success. Patch by Victor Stinner.
|
|
|
|
..
|
|
|
|
.. bpo: 42171
|
|
.. date: 2020-10-27-21-10-14
|
|
.. nonce: S3FWTP
|
|
.. section: C API
|
|
|
|
The :c:macro:`METH_FASTCALL` calling convention is added to the limited API.
|
|
The functions :c:func:`PyModule_AddType`,
|
|
:c:func:`PyType_FromModuleAndSpec`, :c:func:`PyType_GetModule` and
|
|
:c:func:`PyType_GetModuleState` are added to the limited API on Windows.
|
|
|
|
..
|
|
|
|
.. bpo: 42085
|
|
.. date: 2020-10-19-15-58-16
|
|
.. nonce: NhEf3W
|
|
.. section: C API
|
|
|
|
Add dedicated entry to PyAsyncMethods for sending values
|
|
|
|
..
|
|
|
|
.. bpo: 41073
|
|
.. date: 2020-07-08-21-01-49
|
|
.. nonce: VqQZON
|
|
.. section: C API
|
|
|
|
:c:func:`PyType_GetSlot()` can now accept static types.
|
|
|
|
..
|
|
|
|
.. bpo: 30459
|
|
.. date: 2020-05-06-23-54-57
|
|
.. nonce: N9_Jai
|
|
.. section: C API
|
|
|
|
:c:func:`PyList_SET_ITEM`, :c:func:`PyTuple_SET_ITEM` and
|
|
:c:func:`PyCell_SET` macros can no longer be used as l-value or r-value. For
|
|
example, ``x = PyList_SET_ITEM(a, b, c)`` and ``PyList_SET_ITEM(a, b, c) =
|
|
x`` now fail with a compiler error. It prevents bugs like ``if
|
|
(PyList_SET_ITEM (a, b, c) < 0) ...`` test. Patch by Zackery Spytz and
|
|
Victor Stinner.
|