2021-11-05 16:02:44 -03:00
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.. bpo: 45716
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.. date: 2021-11-04-20-19-07
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.. nonce: 5C0pA1
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.. release date: 2021-11-05
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.. section: Core and Builtins
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Improve the :exc:`SyntaxError` message when using ``True``, ``None`` or
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``False`` as keywords in a function call. Patch by Pablo Galindo.
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..
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.. bpo: 45688
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.. date: 2021-11-02-09-27-46
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.. nonce: v5Der1
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.. section: Core and Builtins
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:data:`sys.stdlib_module_names` now contains the macOS-specific module
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:mod:`_scproxy`.
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..
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.. bpo: 45379
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.. date: 2021-10-23-13-49-00
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.. nonce: ZF7G3n
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.. section: Core and Builtins
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Clarify :exc:`ImportError` message when we try to explicitly import a frozen
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module but frozen modules are disabled.
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..
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.. bpo: 44525
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.. date: 2021-10-20-11-57-31
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.. nonce: veL4lJ
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.. section: Core and Builtins
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Specialize simple calls to Python functions (no starargs, keyowrd dict, or
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closure)
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..
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.. bpo: 45530
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.. date: 2021-10-20-01-28-26
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.. nonce: 5r7n4m
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.. section: Core and Builtins
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Cases of sorting using tuples as keys may now be significantly faster in
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some cases. Patch by Tim Peters.
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The order of the result may differ from earlier releases if the tuple
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elements don't define a total ordering (see
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:ref:`expressions-value-comparisons` for information on total ordering).
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It's generally true that the result of sorting simply isn't well-defined in
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the absence of a total ordering on list elements.
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..
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.. bpo: 45526
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.. date: 2021-10-19-10-29-47
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.. nonce: WQnvW9
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.. section: Core and Builtins
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In obmalloc, set ADDRESS_BITS to not ignore any bits (ignored 16 before).
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That is safer in the case that the kernel gives user-space virtual addresses
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that span a range greater than 48 bits.
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..
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.. bpo: 30570
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.. date: 2021-10-19-01-04-08
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.. nonce: _G30Ms
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.. section: Core and Builtins
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Fixed a crash in ``issubclass()`` from infinite recursion when searching
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pathological ``__bases__`` tuples.
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..
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.. bpo: 45521
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.. date: 2021-10-18-22-40-33
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.. nonce: GdMiuW
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.. section: Core and Builtins
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Fix a bug in the obmalloc radix tree code. On 64-bit machines, the bug
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causes the tree to hold 46-bits of virtual addresses, rather than the
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intended 48-bits.
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..
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.. bpo: 45494
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.. date: 2021-10-16-17-27-48
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.. nonce: vMt1g4
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.. section: Core and Builtins
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Fix parser crash when reporting errors involving invalid continuation
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characters. Patch by Pablo Galindo.
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..
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.. bpo: 45445
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.. date: 2021-10-12-14-41-39
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.. nonce: _F5cMf
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.. section: Core and Builtins
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Python now fails to initialize if it finds an invalid :option:`-X` option in
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the command line. Patch by Pablo Galindo.
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..
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.. bpo: 45340
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.. date: 2021-10-08-09-47-38
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.. nonce: ukHgDb
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.. section: Core and Builtins
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Object attributes are held in an array instead of a dictionary. An object's
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dictionary are created lazily, only when needed. Reduces the memory
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consumption of a typical Python object by about 30%. Patch by Mark Shannon.
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..
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.. bpo: 45408
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.. date: 2021-10-07-21-26-44
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.. nonce: qUqzcd
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.. section: Core and Builtins
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Fix a crash in the parser when reporting tokenizer errors that occur at the
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same time unclosed parentheses are detected. Patch by Pablo Galindo.
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..
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.. bpo: 29410
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.. date: 2021-10-07-19-09-12
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.. nonce: bg5SYp
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.. section: Core and Builtins
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Add SipHash13 for string hash algorithm and use it by default.
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..
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.. bpo: 45385
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.. date: 2021-10-06-21-20-11
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.. nonce: CTUT8s
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.. section: Core and Builtins
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Fix reference leak from descr_check. Patch by Dong-hee Na.
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..
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.. bpo: 45367
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.. date: 2021-10-05-03-49-07
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.. nonce: _astoU
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.. section: Core and Builtins
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Specialized the ``BINARY_MULTIPLY`` opcode to ``BINARY_MULTIPLY_INT`` and
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``BINARY_MULTIPLY_FLOAT`` using the PEP 659 machinery.
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..
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.. bpo: 21736
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.. date: 2021-10-01-09-21-02
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.. nonce: RI47BU
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.. section: Core and Builtins
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Frozen stdlib modules now have ``__file__`` to the .py file they would
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otherwise be loaded from, if possible. For packages, ``__path__`` now has
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the correct entry instead of being an empty list, which allows unfrozen
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submodules to be imported. These are set only if the stdlib directory is
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known when the runtime is initialized. Note that the file at ``__file__``
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is not guaranteed to exist. None of this affects non-stdlib frozen modules
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nor, for now, frozen modules imported using
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``PyImport_ImportFrozenModule()``. Also, at the moment ``co_filename`` is
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not updated for the module.
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..
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.. bpo: 45020
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.. date: 2021-10-01-09-06-54
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.. nonce: Cj5VQN
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.. section: Core and Builtins
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For frozen stdlib modules, record the original module name as
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``module.__spec__.loader_state.origname``. If the value is different than
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``module.__spec__.name`` then the module was defined as an alias in
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Tools/scripts/freeze_modules.py. If it is ``None`` then the module comes
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from a source file outside the stdlib.
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..
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.. bpo: 45324
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.. date: 2021-09-29-12-02-39
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.. nonce: BTQElX
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.. section: Core and Builtins
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In FrozenImporter.find_spec(), we now preserve the information needed in
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exec_module() to load the module. This change mostly impacts internal
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details, rather than changing the importer's behavior.
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..
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.. bpo: 45292
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.. date: 2021-09-26-18-18-50
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.. nonce: aX5HVr
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.. section: Core and Builtins
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Implement :pep:`654`. Add :class:`ExceptionGroup` and
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:class:`BaseExceptionGroup`. Update traceback display code.
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..
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.. bpo: 40116
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.. date: 2021-09-23-14-00-05
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.. nonce: KaoeFs
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.. section: Core and Builtins
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Change to the implementation of split dictionaries. Classes where the
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instances differ either in the exact set of attributes, or in the order in
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which those attributes are set, can still share keys. This should have no
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observable effect on users of Python or the C-API. Patch by Mark Shannon.
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..
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.. bpo: 44050
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.. date: 2021-09-08-00-30-09
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.. nonce: mFI15u
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.. section: Core and Builtins
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Extensions that indicate they use global state (by setting ``m_size`` to -1)
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can again be used in multiple interpreters. This reverts to behavior of
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Python 3.8.
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..
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.. bpo: 44525
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.. date: 2021-06-28-22-23-59
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.. nonce: sSvUKG
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.. section: Core and Builtins
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Setup initial specialization infrastructure for the ``CALL_FUNCTION``
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opcode. Implemented initial specializations for C function calls:
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* ``CALL_FUNCTION_BUILTIN_O`` for ``METH_O`` flag.
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* ``CALL_FUNCTION_BUILTIN_FAST`` for ``METH_FASTCALL`` flag without keywords.
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* ``CALL_FUNCTION_LEN`` for ``len(o)``.
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* ``CALL_FUNCTION_ISINSTANCE`` for ``isinstance(o, t)``.
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..
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.. bpo: 44511
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.. date: 2021-06-26-16-55-08
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.. nonce: k8sMvV
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.. section: Core and Builtins
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Improve the generated bytecode for class and mapping patterns.
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..
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.. bpo: 43706
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.. date: 2021-04-03-02-44-15
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.. nonce: jjsXlT
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.. section: Core and Builtins
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Speed up calls to ``enumerate()`` by using the :pep:`590` ``vectorcall``
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calling convention. Patch by Dong-hee Na.
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..
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.. bpo: 45679
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.. date: 2021-10-30-21-11-37
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.. nonce: Dq8Cpu
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.. section: Library
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Fix caching of multi-value :data:`typing.Literal`. ``Literal[True, 2]`` is
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no longer equal to ``Literal[1, 2]``.
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..
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.. bpo: 42064
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.. date: 2021-10-27-13-28-52
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.. nonce: UK4jgV
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.. section: Library
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Convert :mod:`sqlite3` to multi-phase initialisation (PEP 489). Patches by
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Erlend E. Aasland.
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..
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.. bpo: 45438
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.. date: 2021-10-27-10-05-39
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.. nonce: Xz5lGU
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.. section: Library
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Fix typing.Signature string representation for generic builtin types.
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..
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.. bpo: 45613
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.. date: 2021-10-26-14-29-54
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.. nonce: 55Ie3c
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.. section: Library
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:mod:`sqlite3` now sets :attr:`sqlite3.threadsafety` based on the default
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threading mode the underlying SQLite library has been compiled with. Patch
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by Erlend E. Aasland.
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..
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.. bpo: 45574
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.. date: 2021-10-22-23-06-33
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.. nonce: svqA84
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.. section: Library
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Fix warning about ``print_escape`` being unused.
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..
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.. bpo: 45581
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.. date: 2021-10-22-21-57-02
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.. nonce: rlH6ay
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.. section: Library
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:meth:`sqlite3.connect` now correctly raises :exc:`MemoryError` if the
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underlying SQLite API signals memory error. Patch by Erlend E. Aasland.
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..
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.. bpo: 45557
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.. date: 2021-10-21-16-18-51
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.. nonce: 4MQt4r
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.. section: Library
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pprint.pprint() now handles underscore_numbers correctly. Previously it was
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always setting it to False.
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..
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.. bpo: 44019
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.. date: 2021-10-21-10-14-22
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.. nonce: Xk4Ncr
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.. section: Library
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Add :func:`operator.call` to ``operator.__all__``. Patch by Kreusada.
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..
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.. bpo: 42174
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.. date: 2021-10-19-01-30-57
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.. nonce: O2w9bi
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.. section: Library
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:meth:`shutil.get_terminal_size` now falls back to sane values if the column
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or line count are 0.
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..
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.. bpo: 35673
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.. date: 2021-10-18-18-12-47
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.. nonce: KOkHWe
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.. section: Library
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Improve the introspectability of the ``__loader__`` attribute for namespace
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packages. :class:`importlib.machinery.NamespaceLoader` is now public, and
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implements the :class:`importlib.abc.InspectLoader` interface.
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``_NamespaceLoader`` is kept for backward compatibility.
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..
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.. bpo: 45515
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.. date: 2021-10-18-14-52-48
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.. nonce: aXdvm_
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.. section: Library
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Add references to :mod:`zoneinfo` in the :mod:`datetime` documentation,
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mostly replacing outdated references to ``dateutil.tz``. Change by Paul
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Ganssle.
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..
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.. bpo: 45475
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.. date: 2021-10-18-10-46-47
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.. nonce: sb9KDF
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.. section: Library
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Reverted optimization of iterating :class:`gzip.GzipFile`,
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:class:`bz2.BZ2File`, and :class:`lzma.LZMAFile` (see bpo-43787) because it
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caused regression when user iterate them without having reference of them.
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Patch by Inada Naoki.
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..
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.. bpo: 45489
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.. date: 2021-10-16-23-46-39
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.. nonce: QB0rhG
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.. section: Library
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Update :class:`~typing.ForwardRef` to support ``|`` operator. Patch by
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Dong-hee Na.
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..
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.. bpo: 42222
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.. date: 2021-10-15-11-30-11
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.. nonce: hdHyac
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.. section: Library
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Removed deprecated support for float arguments in *randrange()*.
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..
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.. bpo: 45428
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.. date: 2021-10-14-18-04-17
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.. nonce: mM2War
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.. section: Library
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Fix a regression in py_compile when reading filenames from standard input.
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..
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.. bpo: 45467
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.. date: 2021-10-14-13-31-19
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.. nonce: Q7Ma6A
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.. section: Library
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|
Fix incremental decoder and stream reader in the "raw-unicode-escape" codec.
|
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Previously they failed if the escape sequence was split.
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..
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.. bpo: 45461
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|
.. date: 2021-10-14-00-19-02
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.. nonce: 4LB_tJ
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|
.. section: Library
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|
|
Fix incremental decoder and stream reader in the "unicode-escape" codec.
|
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|
|
Previously they failed if the escape sequence was split.
|
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|
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..
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.. bpo: 45239
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|
.. date: 2021-10-13-17-52-48
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|
.. nonce: 7li1_0
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.. section: Library
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|
Fixed :func:`email.utils.parsedate_tz` crashing with
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|
|
:exc:`UnboundLocalError` on certain invalid input instead of returning
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|
|
``None``. Patch by Ben Hoyt.
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..
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.. bpo: 45417
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|
.. date: 2021-10-12-20-35-06
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.. nonce: gQM-O7
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.. section: Library
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|
|
Fix quadratic behaviour in the enum module: Creation of enum classes with a
|
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|
|
lot of entries was quadratic.
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..
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.. bpo: 45249
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.. date: 2021-10-10-16-14-33
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.. nonce: xqLliz
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.. section: Library
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|
Fix the behaviour of :func:`traceback.print_exc` when displaying the caret
|
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|
|
when the ``end_offset`` in the exception is set to 0. Patch by Pablo Galindo
|
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..
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.. bpo: 45416
|
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|
|
.. date: 2021-10-10-09-42-34
|
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.. nonce: n35O0_
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|
.. section: Library
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|
Fix use of :class:`asyncio.Condition` with explicit :class:`asyncio.Lock`
|
|
|
|
|
objects, which was a regression due to removal of explicit loop arguments.
|
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|
|
Patch by Joongi Kim.
|
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..
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.. bpo: 20028
|
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|
|
.. date: 2021-10-10-00-25-36
|
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|
.. nonce: bPx4Z8
|
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|
.. section: Library
|
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|
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|
|
Empty escapechar/quotechar is not allowed when initializing
|
|
|
|
|
:class:`csv.Dialect`. Patch by Vajrasky Kok and Dong-hee Na.
|
|
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|
|
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|
|
..
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|
.. bpo: 44904
|
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|
|
.. date: 2021-10-09-18-42-27
|
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|
|
.. nonce: RlW5h8
|
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|
|
.. section: Library
|
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|
|
Fix bug in the :mod:`doctest` module that caused it to fail if a docstring
|
|
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|
|
included an example with a ``classmethod`` ``property``. Patch by Alex
|
|
|
|
|
Waygood.
|
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|
|
..
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|
|
.. bpo: 45406
|
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|
|
.. date: 2021-10-08-19-24-48
|
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|
|
.. nonce: Qh_Mz4
|
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|
|
.. section: Library
|
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|
|
Make :func:`inspect.getmodule` catch ``FileNotFoundError`` raised by
|
|
|
|
|
:'func:`inspect.getabsfile`, and return ``None`` to indicate that the module
|
|
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|
|
could not be determined.
|
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|
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|
|
..
|
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|
.. bpo: 45411
|
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|
|
.. date: 2021-10-08-11-29-29
|
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|
|
.. nonce: 4jR--U
|
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|
|
.. section: Library
|
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|
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|
|
Add extensions for files containing subtitles - .srt & .vtt - to the
|
|
|
|
|
mimetypes.py module.
|
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|
|
..
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|
.. bpo: 10716
|
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|
|
.. date: 2021-10-08-04-11-55
|
|
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|
|
.. nonce: QSRVK2
|
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|
|
.. section: Library
|
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|
|
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|
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|
|
Migrated pydoc to HTML5 (without changing the look of it). Side effect is to
|
|
|
|
|
update xmlrpc's ``ServerHTMLDoc`` which now uses the CSS too. cgitb now
|
|
|
|
|
relies less on pydoc (as it can't use the CSS file).
|
|
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|
|
|
|
|
|
|
..
|
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|
|
.. bpo: 27580
|
|
|
|
|
.. date: 2021-10-07-21-11-48
|
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|
|
.. nonce: tGcBTH
|
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|
|
.. section: Library
|
|
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|
|
Add support of null characters in :mod:`csv`.
|
|
|
|
|
|
|
|
|
|
..
|
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|
|
.. bpo: 45262
|
|
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|
|
.. date: 2021-10-07-14-04-10
|
|
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|
|
.. nonce: HqF71Z
|
|
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|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
Prevent use-after-free in asyncio. Make sure the cached running loop holder
|
|
|
|
|
gets cleared on dealloc to prevent use-after-free in get_running_loop
|
|
|
|
|
|
|
|
|
|
..
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|
.. bpo: 45386
|
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|
|
.. date: 2021-10-07-00-05-05
|
|
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|
|
.. nonce: q9ORpA
|
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|
|
.. section: Library
|
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|
|
|
|
|
|
|
Make :mod:`xmlrpc.client` more robust to C runtimes where the underlying C
|
|
|
|
|
``strftime`` function results in a ``ValueError`` when testing for year
|
|
|
|
|
formatting options.
|
|
|
|
|
|
|
|
|
|
..
|
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|
|
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|
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|
|
.. bpo: 20028
|
|
|
|
|
.. date: 2021-10-03-21-14-37
|
|
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|
|
.. nonce: zBA4RK
|
|
|
|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
Improve error message of :class:`csv.Dialect` when initializing. Patch by
|
|
|
|
|
Vajrasky Kok and Dong-hee Na.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
|
|
|
|
|
|
.. bpo: 45343
|
|
|
|
|
.. date: 2021-10-01-23-07-02
|
|
|
|
|
.. nonce: ixmctD
|
|
|
|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
Update bundled pip to 21.2.4 and setuptools to 58.1.0
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
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|
|
|
|
|
.. bpo: 45328
|
|
|
|
|
.. date: 2021-09-30-08-22-44
|
|
|
|
|
.. nonce: 8Z-Q0B
|
|
|
|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
Fixed :class:`http.client.HTTPConnection` to work properly in OSs that don't
|
|
|
|
|
support the ``TCP_NODELAY`` socket option.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
|
|
|
|
|
|
.. bpo: 45243
|
|
|
|
|
.. date: 2021-09-20-01-25-09
|
|
|
|
|
.. nonce: 0pJf0U
|
|
|
|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
Add :meth:`~sqlite3.Connection.setlimit` and
|
|
|
|
|
:meth:`~sqlite3.Connection.getlimit` to :class:`sqlite3.Connection` for
|
|
|
|
|
setting and getting SQLite limits by connection basis. Patch by Erlend E.
|
|
|
|
|
Aasland.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
|
|
|
|
|
|
.. bpo: 45320
|
|
|
|
|
.. date: 2021-09-15-10-21-10
|
|
|
|
|
.. nonce: 4qaf5x
|
|
|
|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
Removed from the :mod:`inspect` module:
|
|
|
|
|
|
|
|
|
|
* the ``getargspec`` function, deprecated since Python 3.0;
|
|
|
|
|
use :func:`inspect.signature` or :func:`inspect.getfullargspec` instead.
|
|
|
|
|
|
|
|
|
|
* the ``formatargspec`` function, deprecated since Python 3.5;
|
|
|
|
|
use the :func:`inspect.signature` function and :class:`Signature` object
|
|
|
|
|
directly.
|
|
|
|
|
|
2022-12-26 07:34:18 -04:00
|
|
|
* the undocumented ``Signature.from_builtin`` and ``Signature.from_function``
|
2021-11-05 16:02:44 -03:00
|
|
|
functions, deprecated since Python 3.5; use the
|
|
|
|
|
:meth:`Signature.from_callable() <inspect.Signature.from_callable>` method
|
|
|
|
|
instead.
|
|
|
|
|
|
|
|
|
|
Patch by Hugo van Kemenade.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
|
|
|
|
|
|
.. bpo: 45192
|
|
|
|
|
.. date: 2021-09-14-15-52-47
|
|
|
|
|
.. nonce: DjA-BI
|
|
|
|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
Fix the ``tempfile._infer_return_type`` function so that the ``dir``
|
|
|
|
|
argument of the :mod:`tempfile` functions accepts an object implementing the
|
|
|
|
|
``os.PathLike`` protocol.
|
|
|
|
|
|
|
|
|
|
Patch by Kyungmin Lee.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
|
|
|
|
|
|
.. bpo: 45160
|
|
|
|
|
.. date: 2021-09-11-14-47-05
|
|
|
|
|
.. nonce: VzMXbW
|
|
|
|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
When tracing a tkinter variable used by a ttk OptionMenu, callbacks are no
|
|
|
|
|
longer made twice.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
|
|
|
|
|
|
.. bpo: 25625
|
|
|
|
|
.. date: 2021-09-10-12-53-28
|
|
|
|
|
.. nonce: SzcBCw
|
|
|
|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
Added non parallel-safe :func:`~contextlib.chdir` context manager to change
|
|
|
|
|
the current working directory and then restore it on exit. Simple wrapper
|
|
|
|
|
around :func:`~os.chdir`.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
|
|
|
|
|
|
.. bpo: 24139
|
|
|
|
|
.. date: 2021-08-30-23-10-48
|
|
|
|
|
.. nonce: e38czf
|
|
|
|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
Add support for SQLite extended result codes in :exc:`sqlite3.Error`. Patch
|
|
|
|
|
by Erlend E. Aasland.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
|
|
|
|
|
|
.. bpo: 24444
|
|
|
|
|
.. date: 2021-08-30-00-19-23
|
|
|
|
|
.. nonce: Ki4bgz
|
|
|
|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
Fixed an error raised in :mod:`argparse` help display when help for an
|
|
|
|
|
option is set to 1+ blank spaces or when *choices* arg is an empty
|
|
|
|
|
container.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
|
|
|
|
|
|
.. bpo: 44547
|
|
|
|
|
.. date: 2021-08-20-10-52-40
|
|
|
|
|
.. nonce: eu0iJq
|
|
|
|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
Implement ``Fraction.__int__``, so that a :class:`fractions.Fraction`
|
|
|
|
|
instance ``f`` passes an ``isinstance(f, typing.SupportsInt)`` check.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
|
|
|
|
|
|
.. bpo: 40321
|
|
|
|
|
.. date: 2021-07-22-21-25-56
|
|
|
|
|
.. nonce: gBlFmw
|
|
|
|
|
.. section: Library
|
|
|
|
|
|
|
|
|
|
Adds support for HTTP 308 redirects to :mod:`urllib`. See :rfc:`7538` for
|
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details. Patch by Jochem Schulenklopper.
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..
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.. bpo: 41374
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.. date: 2020-07-27-19-21-05
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.. nonce: cd-kFL
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.. section: Library
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Ensure that ``socket.TCP_*`` constants are exposed on Cygwin 3.1.6 and
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greater.
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..
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.. bpo: 35970
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.. date: 2019-02-11-19-06-10
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.. nonce: ZRvh51
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.. section: Library
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Add help flag to the base64 module's command line interface. Patch
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contributed by Robert Kuska.
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..
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.. bpo: 45726
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.. date: 2021-11-05-12-15-24
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.. nonce: GwRr7e
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.. section: Documentation
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Improve documentation for :func:`functools.singledispatch` and
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:class:`functools.singledispatchmethod`.
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..
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.. bpo: 45680
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.. date: 2021-11-03-14-51-03
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.. nonce: 9_NTFU
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.. section: Documentation
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Amend the docs on ``GenericAlias`` objects to clarify that non-container
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classes can also implement ``__class_getitem__``. Patch contributed by Alex
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Waygood.
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..
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.. bpo: 45618
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.. date: 2021-10-31-20-35-06
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.. nonce: RTcNXF
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.. section: Documentation
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Update Sphinx version used to build the documentation to 4.2.0. Patch by
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Maciej Olko.
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..
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.. bpo: 45655
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.. date: 2021-10-28-19-22-55
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.. nonce: aPYGaS
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.. section: Documentation
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Add a new "relevant PEPs" section to the top of the documentation for the
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``typing`` module. Patch by Alex Waygood.
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..
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.. bpo: 45604
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.. date: 2021-10-26-10-00-45
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.. nonce: Dm-YhV
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.. section: Documentation
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Add ``level`` argument to ``multiprocessing.log_to_stderr`` function docs.
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..
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.. bpo: 45516
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.. date: 2021-10-22-21-57-42
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.. nonce: 7_RMEX
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.. section: Documentation
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Add protocol description to the :class:`importlib.abc.TraversableResources`
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documentation.
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..
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.. bpo: 45464
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.. date: 2021-10-20-16-26-53
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.. nonce: mOISBs
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.. section: Documentation
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Mention in the documentation of :ref:`Built-in Exceptions
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<bltin-exceptions>` that inheriting from multiple exception types in a
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single subclass is not recommended due to possible memory layout
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incompatibility.
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..
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.. bpo: 45449
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.. date: 2021-10-19-01-41-40
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.. nonce: fjHZJc
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.. section: Documentation
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Add note about :pep:`585` in :mod:`collections.abc`.
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..
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.. bpo: 45516
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.. date: 2021-10-18-20-12-18
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.. nonce: EJh4K8
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.. section: Documentation
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Add protocol description to the :class:`importlib.abc.Traversable`
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documentation.
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..
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.. bpo: 20692
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.. date: 2021-10-13-00-42-54
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.. nonce: K5rGtP
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.. section: Documentation
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Add Programming FAQ entry explaining that int literal attribute access
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requires either a space after or parentheses around the literal.
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..
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.. bpo: 45678
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.. date: 2021-11-04-20-03-32
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.. nonce: 1xNMjN
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.. section: Tests
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Add tests for scenarios in which :class:`functools.singledispatchmethod` is
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stacked on top of a method that has already been wrapped by two other
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decorators. Patch by Alex Waygood.
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..
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.. bpo: 45578
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.. date: 2021-10-30-19-00-25
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.. nonce: bvu6X2
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.. section: Tests
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Add tests for :func:`dis.distb`
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..
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.. bpo: 45678
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.. date: 2021-10-30-13-12-20
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.. nonce: bKrYeS
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.. section: Tests
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Add tests to ensure that ``functools.singledispatchmethod`` correctly wraps
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the attributes of the target function.
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..
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.. bpo: 45668
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.. date: 2021-10-29-17-18-56
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.. nonce: MfAw4i
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.. section: Tests
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PGO tests now pass when Python is built without test extension modules.
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..
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.. bpo: 45577
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.. date: 2021-10-22-19-44-13
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.. nonce: dSaNvK
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.. section: Tests
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Add subtests for all ``pickle`` protocols in ``test_zoneinfo``.
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..
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.. bpo: 45566
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.. date: 2021-10-22-12-05-21
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.. nonce: 2gQ3ZB
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.. section: Tests
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Fix ``test_frozen_pickle`` in ``test_dataclasses`` to check all ``pickle``
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versions.
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..
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.. bpo: 43592
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.. date: 2021-10-21-17-22-26
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.. nonce: kHRsra
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.. section: Tests
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:mod:`test.libregrtest` now raises the soft resource limit for the maximum
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number of file descriptors when the default is too low for our test suite as
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was often the case on macOS.
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..
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.. bpo: 39679
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.. date: 2021-10-18-16-18-41
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.. nonce: F18qcE
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.. section: Tests
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Add more test cases for `@functools.singledispatchmethod` when combined with
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`@classmethod` or `@staticmethod`.
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..
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.. bpo: 45410
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.. date: 2021-10-08-14-03-20
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.. nonce: Ex9xe2
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.. section: Tests
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When libregrtest spawns a worker process, stderr is now written into stdout
|
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|
|
to keep messages order. Use a single pipe for stdout and stderr, rather than
|
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|
two pipes. Previously, messages were out of order which made analysis of
|
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|
|
buildbot logs harder Patch by Victor Stinner.
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..
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.. bpo: 45402
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.. date: 2021-10-07-13-43-01
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.. nonce: jlQvep
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.. section: Tests
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|
Fix test_tools.test_sundry() when Python is built out of tree: fix how the
|
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|
freeze_modules.py tool locates the _freeze_module program. Patch by Victor
|
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|
Stinner.
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..
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.. bpo: 45403
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.. date: 2021-10-07-13-27-12
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.. nonce: 7QiDvw
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.. section: Tests
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|
Fix test_sys.test_stdlib_dir() when Python is built outside the source tree:
|
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|
|
compare normalized paths. Patch by Victor Stinner.
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..
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.. bpo: 45400
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|
.. date: 2021-10-07-13-11-45
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.. nonce: h3iT7V
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|
.. section: Tests
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|
|
Fix test_name_error_suggestions_do_not_trigger_for_too_many_locals() of
|
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|
|
|
test_exceptions if a directory name contains "a1" (like "Python-3.11.0a1"):
|
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|
|
use a stricter regular expression. Patch by Victor Stinner.
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|
..
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|
2022-07-20 16:23:59 -03:00
|
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.. bpo: 10572
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|
.. date: 2021-01-07-01-25-38
|
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.. nonce: gEEZ9z
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.. section: Tests
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|
|
Rename :mod:`sqlite3` tests from ``test_sqlite`` to ``test_sqlite3``, and
|
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|
|
relocate them to ``Lib/test/test_sqlite3``. Patch by Erlend E. Aasland.
|
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..
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2021-11-05 16:02:44 -03:00
|
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.. bpo: 43158
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.. date: 2021-11-01-12-51-46
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.. nonce: fghS6w
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.. section: Build
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|
``setup.py`` now uses values from configure script to build the ``_uuid``
|
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|
|
extension module. Configure now detects util-linux's ``libuuid``, too.
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..
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.. bpo: 45666
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.. date: 2021-10-29-12-54-53
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.. nonce: w2G63u
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.. section: Build
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Fix warning of ``swprintf`` and ``%s`` usage in ``_testembed.c``
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..
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.. bpo: 45548
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.. date: 2021-10-28-14-47-22
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.. nonce: mdCBxB
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.. section: Build
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|
``Modules/Setup`` and ``Modules/makesetup`` have been improved. The
|
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|
|
``Setup`` file now contains working rules for all extensions. Outdated
|
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|
|
comments have been removed. Rules defined by ``makesetup`` track
|
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|
dependencies correctly.
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..
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.. bpo: 45548
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.. date: 2021-10-24-21-49-49
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.. nonce: UWx0UC
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.. section: Build
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|
The :mod:`math` and :mod:`cmath` implementation now require a C99 compatible
|
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|
``libm`` and no longer ship with workarounds for missing acosh, asinh,
|
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|
atanh, expm1, and log1p functions.
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..
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.. bpo: 45595
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.. date: 2021-10-24-11-02-43
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.. nonce: WI_5YU
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.. section: Build
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|
``setup.py`` and ``makesetup`` now track build dependencies on all Python
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header files and module specific header files.
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..
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.. bpo: 45571
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.. date: 2021-10-22-15-28-29
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.. nonce: yY8NsJ
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.. section: Build
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``Modules/Setup`` now use ``PY_CFLAGS_NODIST`` instead of ``PY_CFLAGS`` to
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compile shared modules.
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..
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.. bpo: 45570
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.. date: 2021-10-22-14-45-40
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.. nonce: 61gM2A
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.. section: Build
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|
:mod:`pyexpat` and :mod:`_elementtree` no longer define obsolete macros
|
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|
|
``HAVE_EXPAT_CONFIG_H`` and ``USE_PYEXPAT_CAPI``. ``XML_POOR_ENTROPY`` is
|
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|
|
now defined in ``expat_config.h``.
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..
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.. bpo: 43974
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.. date: 2021-10-22-14-00-44
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.. nonce: HHZtbx
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.. section: Build
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|
``setup.py`` no longer defines ``Py_BUILD_CORE_MODULE``. Instead every
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|
module, that uses the internal API, defines the macro.
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..
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.. bpo: 45548
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.. date: 2021-10-20-17-02-56
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.. nonce: BoggEf
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.. section: Build
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|
Fill in missing entries in Modules/Setup.
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..
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.. bpo: 45532
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|
.. date: 2021-10-20-16-07-39
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.. nonce: kyhvis
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.. section: Build
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Update :data:`sys.version` to use ``main`` as fallback information. Patch by
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Jeong YunWon.
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..
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.. bpo: 45536
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.. date: 2021-10-20-12-42-39
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.. nonce: oQNYHB
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.. section: Build
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The ``configure`` script now checks whether OpenSSL headers and libraries
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provide required APIs. Most common APIs are verified. The check detects
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outdated or missing OpenSSL. Failures do not stop configure.
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..
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.. bpo: 45221
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.. date: 2021-10-18-10-25-56
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.. nonce: rnulhf
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.. section: Build
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Fixed regression in handling of ``LDFLAGS`` and ``CPPFLAGS`` options where
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:meth:`argparse.parse_known_args` could interpret an option as one of the
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built-in command line argument, for example ``-h`` for help.
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..
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.. bpo: 45440
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.. date: 2021-10-12-02-13-08
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.. nonce: -zYgDb
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.. section: Build
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Building Python now requires a C99 ``<math.h>`` header file providing the
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following functions: ``copysign()``, ``hypot()``, ``isfinite()``,
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``isinf()``, ``isnan()``, ``round()``. Patch by Victor Stinner.
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..
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.. bpo: 45405
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.. date: 2021-10-11-16-27-38
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.. nonce: iSfdW5
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.. section: Build
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Prevent ``internal configure error`` when running ``configure`` with recent
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versions of non-Apple clang. Patch by David Bohman.
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..
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.. bpo: 45433
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.. date: 2021-10-11-16-08-37
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.. nonce: pVDkMV
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.. section: Build
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Avoid linking libpython with libcrypt.
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..
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.. bpo: 43652
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.. date: 2021-11-04-00-41-50
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.. nonce: RnqV7I
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.. section: Windows
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Update Tcl/Tk to 8.6.11, actually this time. The previous update incorrectly
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included 8.6.10.
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..
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.. bpo: 45337
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.. date: 2021-09-30-23-17-27
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.. nonce: qg7U_h
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.. section: Windows
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venv now warns when the created environment may need to be accessed at a
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different path, due to redirections, links or junctions. It also now
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correctly installs or upgrades components when the alternate path is
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required.
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..
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.. bpo: 43851
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.. date: 2021-04-15-01-23-10
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.. nonce: qgU0gy
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.. section: Windows
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Build SQLite ``SQLITE_OMIT_AUTOINIT`` on Windows. Patch by Erlend E.
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Aasland.
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..
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.. bpo: 44828
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.. date: 2021-10-25-02-02-21
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.. nonce: XBdXlJ
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.. section: macOS
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Avoid tkinter file dialog failure on macOS 12 Monterey when using the Tk
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8.6.11 provided by python.org macOS installers. Patch by Marc Culler of the
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Tk project.
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..
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.. bpo: 45495
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.. date: 2021-10-16-17-20-32
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.. nonce: ST8RFt
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.. section: IDLE
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Add context keywords 'case' and 'match' to completions list.
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..
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.. bpo: 29103
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.. date: 2021-10-20-18-41-17
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.. nonce: CMRLyq
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.. section: C API
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:c:func:`PyType_FromSpec* <PyType_FromModuleAndSpec>` now copies the class
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|
name from the spec to a buffer owned by the class, so the original can be
|
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safely deallocated. Patch by Petr Viktorin.
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..
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.. bpo: 45522
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.. date: 2021-10-19-13-07-46
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.. nonce: kGAwmZ
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.. section: C API
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The internal freelists for frame, float, list, dict, async generators, and
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context objects can now be disabled.
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..
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.. bpo: 35134
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.. date: 2021-10-19-00-20-40
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.. nonce: Z0Zk_m
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.. section: C API
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Exclude :c:func:`PyWeakref_GET_OBJECT` from the limited C API. It never
|
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|
worked since the :c:type:`PyWeakReference` structure is opaque in the
|
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limited C API.
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..
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.. bpo: 35081
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.. date: 2021-10-15-09-29-59
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.. nonce: 2teFD3
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.. section: C API
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|
|
Move the ``interpreteridobject.h`` header file from ``Include/`` to
|
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|
|
``Include/internal/``. It only provides private functions. Patch by Victor
|
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|
|
Stinner.
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..
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.. bpo: 35134
|
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.. date: 2021-10-15-00-11-51
|
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.. nonce: eX4zqy
|
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|
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.. section: C API
|
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|
|
The non-limited API files ``cellobject.h``, ``classobject.h``,
|
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|
|
``context.h``, ``funcobject.h``, ``genobject.h`` and ``longintrepr.h`` have
|
|
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|
|
been moved to the ``Include/cpython`` directory. Moreover, the ``eval.h``
|
|
|
|
|
header file was removed. These files must not be included directly, as they
|
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|
|
|
are already included in ``Python.h``: :ref:`Include Files <api-includes>`.
|
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|
|
If they have been included directly, consider including ``Python.h``
|
|
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|
|
instead. Patch by Victor Stinner.
|
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|
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..
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.. bpo: 45474
|
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|
|
.. date: 2021-10-14-22-16-56
|
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|
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.. nonce: 1OkJQh
|
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|
|
.. section: C API
|
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|
|
|
|
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|
|
|
The following items are no longer available when ``Py_LIMITED_API`` is
|
|
|
|
|
defined:
|
|
|
|
|
|
|
|
|
|
* :c:func:`PyMarshal_WriteLongToFile`
|
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|
|
* :c:func:`PyMarshal_WriteObjectToFile`
|
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|
|
* :c:func:`PyMarshal_ReadObjectFromString`
|
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|
|
* :c:func:`PyMarshal_WriteObjectToString`
|
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|
|
* the ``Py_MARSHAL_VERSION`` macro
|
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|
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|
|
|
|
These are not part of the :ref:`limited API <stable-abi-list>`.
|
|
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|
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|
|
Patch by Victor Stinner.
|
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|
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..
|
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.. bpo: 45434
|
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|
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.. date: 2021-10-13-14-42-46
|
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|
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.. nonce: INNEEt
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.. section: C API
|
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|
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|
|
Remove the ``pystrhex.h`` header file. It only contains private functions. C
|
|
|
|
|
extensions should only include the main ``<Python.h>`` header file. Patch by
|
|
|
|
|
Victor Stinner.
|
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|
|
|
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|
|
..
|
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|
|
.. bpo: 45440
|
|
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|
|
.. date: 2021-10-12-02-13-41
|
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|
|
.. nonce: Gf94rE
|
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|
|
.. section: C API
|
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|
|
|
|
|
|
|
|
Remove the ``Py_FORCE_DOUBLE()`` macro. It was used by the
|
|
|
|
|
``Py_IS_INFINITY()`` macro. Patch by Victor Stinner.
|
|
|
|
|
|
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|
|
..
|
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|
|
|
.. bpo: 45434
|
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|
|
.. date: 2021-10-11-23-03-49
|
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|
|
.. nonce: tsS8I_
|
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|
|
.. section: C API
|
|
|
|
|
|
|
|
|
|
``<Python.h>`` no longer includes the header files ``<stdlib.h>``,
|
|
|
|
|
``<stdio.h>``, ``<errno.h>`` and ``<string.h>`` when the ``Py_LIMITED_API``
|
|
|
|
|
macro is set to ``0x030b0000`` (Python 3.11) or higher. C extensions should
|
|
|
|
|
explicitly include the header files after ``#include <Python.h>``. Patch by
|
|
|
|
|
Victor Stinner.
|
|
|
|
|
|
|
|
|
|
..
|
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|
|
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|
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|
|
.. bpo: 41123
|
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|
|
|
.. date: 2021-10-11-22-58-33
|
|
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|
|
.. nonce: myrlIp
|
|
|
|
|
.. section: C API
|
|
|
|
|
|
|
|
|
|
Remove ``Py_UNICODE_COPY()`` and ``Py_UNICODE_FILL()`` macros, deprecated
|
|
|
|
|
since Python 3.3. Use ``PyUnicode_CopyCharacters()`` or ``memcpy()``
|
|
|
|
|
(``wchar_t*`` string), and ``PyUnicode_Fill()`` functions instead. Patch by
|
|
|
|
|
Victor Stinner.
|
|
|
|
|
|
|
|
|
|
..
|
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|
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|
|
.. bpo: 45412
|
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|
|
.. date: 2021-10-08-15-54-07
|
|
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|
|
.. nonce: KHyJCT
|
|
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|
|
.. section: C API
|
|
|
|
|
|
|
|
|
|
Remove the following math macros using the ``errno`` variable:
|
|
|
|
|
|
|
|
|
|
* ``Py_ADJUST_ERANGE1()``
|
|
|
|
|
* ``Py_ADJUST_ERANGE2()``
|
|
|
|
|
* ``Py_OVERFLOWED()``
|
|
|
|
|
* ``Py_SET_ERANGE_IF_OVERFLOW()``
|
|
|
|
|
* ``Py_SET_ERRNO_ON_MATH_ERROR()``
|
|
|
|
|
|
|
|
|
|
Patch by Victor Stinner.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
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|
|
|
|
|
.. bpo: 45395
|
|
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|
|
.. date: 2021-10-06-15-54-40
|
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|
|
.. nonce: yVhdAl
|
|
|
|
|
.. section: C API
|
|
|
|
|
|
|
|
|
|
Custom frozen modules (the array set to ``PyImport_FrozenModules``) are now
|
|
|
|
|
treated as additions, rather than replacing all the default frozen modules.
|
|
|
|
|
Frozen stdlib modules can still be disabled by setting the "code" field of
|
|
|
|
|
the custom array entry to NULL.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
|
|
|
|
|
|
.. bpo: 43760
|
|
|
|
|
.. date: 2021-09-24-11-12-21
|
|
|
|
|
.. nonce: Bfxd1-
|
|
|
|
|
.. section: C API
|
|
|
|
|
|
|
|
|
|
Add new :c:func:`PyThreadState_EnterTracing`, and
|
|
|
|
|
:c:func:`PyThreadState_LeaveTracing` functions to the limited C API to
|
|
|
|
|
suspend and resume tracing and profiling. Patch by Victor Stinner.
|
|
|
|
|
|
|
|
|
|
..
|
|
|
|
|
|
|
|
|
|
.. bpo: 44220
|
|
|
|
|
.. date: 2021-05-24-22-12-40
|
|
|
|
|
.. nonce: H9CUGl
|
|
|
|
|
.. section: C API
|
|
|
|
|
|
|
|
|
|
:c:var:`PyStructSequence_UnnamedField` is added to the Stable ABI.
|
