mirror of https://github.com/python/cpython
671 lines
14 KiB
ReStructuredText
671 lines
14 KiB
ReStructuredText
.. bpo: 42938
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.. date: 2021-01-18-09-27-31
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.. nonce: 4Zn4Mp
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.. release date: 2021-02-02
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.. section: Security
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Avoid static buffers when computing the repr of :class:`ctypes.c_double` and
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:class:`ctypes.c_longdouble` values.
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..
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.. bpo: 42990
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.. date: 2021-01-30-11-31-44
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.. nonce: 69h_zK
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.. section: Core and Builtins
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Refactor the ``PyEval_`` family of functions.
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* An new function ``_PyEval_Vector`` is added to simplify calls to Python from C.
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* ``_PyEval_EvalCodeWithName`` is removed
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* ``PyEval_EvalCodeEx`` is retained as part of the API, but is not used internally
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..
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.. bpo: 38631
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.. date: 2021-01-29-17-48-44
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.. nonce: jR-3kC
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.. section: Core and Builtins
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Replace :c:func:`Py_FatalError` calls in the compiler with regular
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:exc:`SystemError` exceptions. Patch by Victor Stinner.
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..
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.. bpo: 42997
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.. date: 2021-01-24-20-19-55
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.. nonce: QUOPgP
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.. section: Core and Builtins
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Improve error message for missing ":" before blocks. Patch by Pablo Galindo.
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..
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.. bpo: 43017
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.. date: 2021-01-24-18-02-05
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.. nonce: emEcXX
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.. section: Core and Builtins
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Improve error message in the parser when using un-parenthesised tuples in
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comprehensions. Patch by Pablo Galindo.
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..
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.. bpo: 42986
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.. date: 2021-01-20-23-44-15
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.. nonce: sWoaGf
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.. section: Core and Builtins
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Fix parser crash when reporting syntax errors in f-string with newlines.
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Patch by Pablo Galindo.
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..
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.. bpo: 40176
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.. date: 2021-01-20-22-31-01
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.. nonce: anjyWw
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.. section: Core and Builtins
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Syntax errors for unterminated string literals now point to the start of the
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string instead of reporting EOF/EOL.
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..
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.. bpo: 42927
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.. date: 2021-01-15-20-05-56
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.. nonce: GI-l-7
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.. section: Core and Builtins
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The inline cache for ``LOAD_ATTR`` now also optimizes access to attributes
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defined by ``__slots__``. This makes reading such attribute up to 30%
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faster.
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..
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.. bpo: 42864
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.. date: 2021-01-14-23-15-34
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.. nonce: QgOAQ1
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.. section: Core and Builtins
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Improve error messages in the parser when parentheses are not closed. Patch
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by Pablo Galindo.
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..
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.. bpo: 42924
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.. date: 2021-01-13-14-06-01
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.. nonce: _WS1Ok
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.. section: Core and Builtins
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Fix ``bytearray`` repetition incorrectly copying data from the start of the
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buffer, even if the data is offset within the buffer (e.g. after reassigning
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a slice at the start of the ``bytearray`` to a shorter byte string).
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..
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.. bpo: 42882
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.. date: 2021-01-11-17-58-52
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.. nonce: WfTdfg
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.. section: Core and Builtins
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Fix the :c:func:`_PyUnicode_FromId` function (_Py_IDENTIFIER(var) API) when
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:c:func:`Py_Initialize` / :c:func:`Py_Finalize` is called multiple times:
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preserve ``_PyRuntime.unicode_ids.next_index`` value.
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..
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.. bpo: 42827
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.. date: 2021-01-06-17-06-37
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.. nonce: jtRR0D
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.. section: Core and Builtins
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Fix a crash when working out the error line of a :exc:`SyntaxError` in some
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multi-line expressions.
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..
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.. bpo: 42823
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.. date: 2021-01-04-18-17-07
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.. nonce: dcSynu
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.. section: Core and Builtins
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frame.f_lineno is correct even if frame.f_trace is set to True
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..
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.. bpo: 37324
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.. date: 2020-12-12-20-09-12
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.. nonce: jB-9_U
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.. section: Core and Builtins
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Remove deprecated aliases to :ref:`collections-abstract-base-classes` from
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the :mod:`collections` module.
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..
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.. bpo: 41994
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.. date: 2020-10-10-14-16-03
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.. nonce: Xop8sV
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.. section: Core and Builtins
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Fixed possible leak in ``import`` when ``sys.modules`` is not a ``dict``.
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..
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.. bpo: 27772
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.. date: 2018-12-20-23-59-23
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.. nonce: idHEcj
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.. section: Core and Builtins
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In string formatting, preceding the *width* field by ``'0'`` no longer
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affects the default alignment for strings.
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..
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.. bpo: 43108
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.. date: 2021-02-02-20-23-31
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.. nonce: lqcCZ6
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.. section: Library
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Fixed a reference leak in the :mod:`curses` module. Patch by Pablo Galindo
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..
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.. bpo: 43077
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.. date: 2021-01-30-15-20-06
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.. nonce: Owk61z
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.. section: Library
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Update the bundled pip to 21.0.1 and setuptools to 52.0.0.
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..
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.. bpo: 41282
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.. date: 2021-01-27-20-49-32
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.. nonce: SEPdV0
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.. section: Library
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Deprecate ``distutils`` in documentation and add warning on import.
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..
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.. bpo: 43014
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.. date: 2021-01-24-00-37-40
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.. nonce: BVPhEr
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.. section: Library
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Improve performance of :mod:`tokenize` by 20-30%. Patch by Anthony Sottile.
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..
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.. bpo: 42323
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.. date: 2021-01-20-12-10-47
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.. nonce: PONB8e
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.. section: Library
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Fix :func:`math.nextafter` for NaN on AIX.
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..
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.. bpo: 42955
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.. date: 2021-01-18-11-59-46
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.. nonce: CSWLC9
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.. section: Library
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Add :data:`sys.stdlib_module_names`, containing the list of the standard
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library module names. Patch by Victor Stinner.
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..
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.. bpo: 42944
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.. date: 2021-01-18-10-41-44
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.. nonce: RrONvy
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.. section: Library
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Fix ``random.Random.sample`` when ``counts`` argument is not ``None``.
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..
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.. bpo: 42934
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.. date: 2021-01-15-11-48-00
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.. nonce: ILKoOI
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.. section: Library
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Use :class:`~traceback.TracebackException`'s new ``compact`` param in
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:class:`~unittest.TestResult` to reduce time and memory consumed by
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traceback formatting.
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..
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.. bpo: 42931
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.. date: 2021-01-15-00-23-50
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.. nonce: QD6U2B
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.. section: Library
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Add :func:`randbytes` to ``random.__all__``.
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..
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.. bpo: 38250
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.. date: 2021-01-14-15-07-16
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.. nonce: 1fvhOk
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.. section: Library
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[Enum] Flags consisting of a single bit are now considered canonical, and
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will be the only flags returned from listing and iterating over a Flag class
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or a Flag member. Multi-bit flags are considered aliases; they will be
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returned from lookups and operations that result in their value. Iteration
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for both Flag and Flag members is in definition order.
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..
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.. bpo: 42877
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.. date: 2021-01-13-12-55-41
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.. nonce: Fi1zEG
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.. section: Library
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Added the ``compact`` parameter to the constructor of
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:class:`traceback.TracebackException` to reduce time and memory for use
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cases that only need to call :func:`TracebackException.format` and
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:func:`TracebackException.format_exception_only`.
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..
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.. bpo: 42923
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.. date: 2021-01-13-12-15-13
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.. nonce: zBiNls
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.. section: Library
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The :c:func:`Py_FatalError` function and the :mod:`faulthandler` module now
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dump the list of extension modules on a fatal error.
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..
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.. bpo: 42848
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.. date: 2021-01-12-19-34-06
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.. nonce: 5G8oBl
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.. section: Library
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Removed recursion from :class:`~traceback.TracebackException` to allow it to
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handle long exception chains.
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..
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.. bpo: 42901
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.. date: 2021-01-11-17-36-59
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.. nonce: gFd-ta
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.. section: Library
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[Enum] move member creation from ``EnumMeta.__new__`` to
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``_proto_member.__set_name__``, allowing members to be created and visible
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in ``__init_subclass__``.
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..
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.. bpo: 42780
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.. date: 2021-01-08-15-49-20
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.. nonce: rtqi6B
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.. section: Library
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Fix os.set_inheritable() for O_PATH file descriptors on Linux.
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..
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.. bpo: 42866
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.. date: 2021-01-08-10-57-21
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.. nonce: Y1DnrO
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.. section: Library
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Fix a reference leak in the ``getcodec()`` function of CJK codecs. Patch by
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Victor Stinner.
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..
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.. bpo: 42846
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.. date: 2021-01-07-23-31-17
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.. nonce: kukDjw
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.. section: Library
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Convert the 6 CJK codec extension modules (_codecs_cn, _codecs_hk,
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_codecs_iso2022, _codecs_jp, _codecs_kr and _codecs_tw) to the multiphase
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initialization API (:pep:`489`). Patch by Victor Stinner.
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..
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.. bpo: 42851
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.. date: 2021-01-07-11-44-22
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.. nonce: uyQFyd
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.. section: Library
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remove __init_subclass__ support for Enum members
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..
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.. bpo: 42834
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.. date: 2021-01-05-23-55-24
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.. nonce: LxRnZC
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.. section: Library
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Make internal caches of the ``_json`` module compatible with
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subinterpreters.
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..
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.. bpo: 41748
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.. date: 2021-01-05-21-26-29
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.. nonce: KdC0w3
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.. section: Library
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Fix HTMLParser parsing rules for element attributes containing commas with
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spaces. Patch by Karl Dubost.
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..
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.. bpo: 40810
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.. date: 2021-01-05-00-52-30
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.. nonce: JxQqPe
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.. section: Library
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Require SQLite 3.7.15 or newer. Patch by Erlend E. Aasland.
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..
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.. bpo: 1635741
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.. date: 2021-01-04-15-05-40
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.. nonce: EOCfZY
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.. section: Library
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Convert the _multibytecodec extension module (CJK codecs) to multi-phase
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initialization (:pep:`489`). Patch by Erlend E. Aasland.
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..
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.. bpo: 42802
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.. date: 2021-01-01-15-29-16
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.. nonce: Lw-bzl
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.. section: Library
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The distutils ``bdist_wininst`` command deprecated in Python 3.8 has been
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removed. The distutils ``bdist_wheel`` command is now recommended to
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distribute binary packages on Windows.
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..
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.. bpo: 24464
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.. date: 2020-12-30-14-56-25
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.. nonce: vbNVHe
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.. section: Library
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The undocumented built-in function ``sqlite3.enable_shared_cache`` is now
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deprecated, scheduled for removal in Python 3.12. Its use is strongly
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discouraged by the SQLite3 documentation. Patch by Erlend E. Aasland.
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..
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.. bpo: 42384
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.. date: 2020-11-17-14-32-39
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.. nonce: 1ZnQSn
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.. section: Library
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Make pdb populate sys.path[0] exactly the same as regular python execution.
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..
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.. bpo: 42383
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.. date: 2020-11-17-14-30-12
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.. nonce: ubl0Y_
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.. section: Library
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Fix pdb: previously pdb would fail to restart the debugging target if it was
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specified using a relative path and the current directory changed.
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..
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.. bpo: 42005
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.. date: 2020-10-11-13-48-03
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.. nonce: Jq6Az-
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.. section: Library
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Fix CLI of :mod:`cProfile` and :mod:`profile` to catch
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:exc:`BrokenPipeError`.
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..
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.. bpo: 41604
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.. date: 2020-08-21-15-24-14
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.. nonce: rTXleO
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.. section: Library
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Don't decrement the reference count of the previous user_ptr when
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set_panel_userptr fails.
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..
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.. bpo: 41149
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.. date: 2020-06-28-16-13-02
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.. nonce: jiZWtJ
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.. section: Library
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Allow executing callables that have a boolean value of ``False`` when passed
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to :class:`Threading.thread` as the target. Patch contributed by Barney
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Stratford.
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..
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.. bpo: 38307
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.. date: 2020-03-16-03-03-21
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.. nonce: 2cmw2i
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.. section: Library
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Add an 'end_lineno' attribute to the Class and Function objects that appear
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in the tree returned by pyclbr functions. This and the existing 'lineno'
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attribute define the extent of class and def statements. Patch by Aviral
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Srivastava.
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..
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.. bpo: 39273
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.. date: 2020-01-13-23-37-58
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.. nonce: m5hzxV
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.. section: Library
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The ``BUTTON5_*`` constants are now exposed in the :mod:`curses` module if
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available.
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..
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.. bpo: 33289
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.. date: 2018-04-23-13-44-10
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.. nonce: anBnUr
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.. section: Library
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Correct call to :mod:`tkinter.colorchooser` to return RGB triplet of ints
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instead of floats. Patch by Cheryl Sabella.
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..
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.. bpo: 40304
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.. date: 2021-01-20-23-03-49
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.. nonce: -LK7Ps
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.. section: Documentation
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Fix doc for type(name, bases, dict). Patch by Boris Verkhovskiy and Éric
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Araujo.
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..
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.. bpo: 42811
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.. date: 2021-01-04-22-14-22
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.. nonce: HY2beA
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.. section: Documentation
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Updated importlib.utils.resolve_name() doc to use __spec__.parent instead of
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__package__. (Thanks Yair Frid.)
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..
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.. bpo: 40823
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.. date: 2020-05-30-13-39-22
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.. nonce: yB7K5w
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.. section: Tests
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Use :meth:`unittest.TestLoader().loadTestsFromTestCase` instead of
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:meth:`unittest.makeSuite` in :mod:`sqlite3` tests. Patch by Erlend E.
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Aasland.
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..
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.. bpo: 40810
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.. date: 2020-05-30-10-56-38
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.. nonce: LPqDLQ
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.. section: Tests
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In :mod:`sqlite3`, fix ``CheckTraceCallbackContent`` for SQLite pre 3.7.15.
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..
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.. bpo: 43031
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.. date: 2021-01-26-14-48-40
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.. nonce: 44nK9U
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.. section: Build
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Pass ``--timeout=$(TESTTIMEOUT)`` option to the default profile task
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``./python -m test --pgo`` command.
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..
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.. bpo: 36143
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.. date: 2021-01-18-20-52-06
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.. nonce: kgnIYo
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.. section: Build
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``make regen-all`` now also runs ``regen-keyword``. Patch by Victor Stinner.
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..
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.. bpo: 42874
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.. date: 2021-01-12-10-06-50
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.. nonce: XKK61g
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.. section: Build
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Removed the grep -q and -E flags in the tzpath validation section of the
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configure script to better accomodate users of some platforms (specifically
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Solaris 10).
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..
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.. bpo: 31904
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.. date: 2021-01-11-23-26-00
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.. nonce: ty8f3h
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.. section: Build
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Add library search path by wr-cc in add_cross_compiling_paths() for VxWorks.
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..
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.. bpo: 42856
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.. date: 2021-01-07-12-51-38
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.. nonce: n3cMHV
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.. section: Build
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Add ``--with-wheel-pkg-dir=PATH`` option to the ``./configure`` script. If
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specified, the :mod:`ensurepip` module looks for ``setuptools`` and ``pip``
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wheel packages in this directory: if both are present, these wheel packages
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are used instead of ensurepip bundled wheel packages.
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Some Linux distribution packaging policies recommend against bundling
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dependencies. For example, Fedora installs wheel packages in the
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``/usr/share/python-wheels/`` directory and don't install the
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``ensurepip._bundled`` package.
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..
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.. bpo: 41837
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.. date: 2021-01-05-20-36-40
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.. nonce: bmS7vB
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.. section: Windows
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Updated Windows installer to include OpenSSL 1.1.1i
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..
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.. bpo: 42584
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.. date: 2020-12-07-11-40-52
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.. nonce: AsYnVX
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.. section: Windows
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Upgrade Windows installer to use SQLite 3.34.0.
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..
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.. bpo: 42504
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.. date: 2021-01-26-14-36-11
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.. nonce: ZxWt71
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.. section: macOS
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Ensure that the value of
|
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sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET') is always a string,
|
|
even in when the value is parsable as an integer.
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|
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..
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.. bpo: 43008
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.. date: 2021-01-26-18-12-17
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.. nonce: mbQUc7
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.. section: IDLE
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Make IDLE invoke :func:`sys.excepthook` in normal, 2-process mode. Patch by
|
|
Ken Hilton.
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..
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.. bpo: 33065
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.. date: 2021-01-10-01-25-43
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.. nonce: zmyHYJ
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|
.. section: IDLE
|
|
|
|
Fix problem debugging user classes with __repr__ method.
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|
|
|
..
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.. bpo: 23544
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.. date: 2019-11-14-23-41-07
|
|
.. nonce: 3etemb
|
|
.. section: IDLE
|
|
|
|
Disable Debug=>Stack Viewer when user code is running or Debugger is active,
|
|
to prevent hang or crash. Patch by Zackery Spytz.
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|
|
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..
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.. bpo: 32631
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.. date: 2019-06-30-20-31-09
|
|
.. nonce: e7_4BG
|
|
.. section: IDLE
|
|
|
|
Finish zzdummy example extension module: make menu entries work; add
|
|
docstrings and tests with 100% coverage.
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|
|
|
..
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|
|
|
.. bpo: 42979
|
|
.. date: 2021-01-28-01-11-59
|
|
.. nonce: JrGkrm
|
|
.. section: C API
|
|
|
|
When Python is built in debug mode (with C assertions), calling a type slot
|
|
like ``sq_length`` (``__len__()`` in Python) now fails with a fatal error if
|
|
the slot succeeded with an exception set, or failed with no exception set.
|
|
The error message contains the slot, the type name, and the current
|
|
exception (if an exception is set). Patch by Victor Stinner.
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|
|
|
..
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|
|
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.. bpo: 43030
|
|
.. date: 2021-01-27-10-27-47
|
|
.. nonce: loDcD_
|
|
.. section: C API
|
|
|
|
Fixed a compiler warning in :c:func:`Py_UNICODE_ISSPACE()` on platforms with
|
|
signed ``wchar_t``.
|