Python 3.10.0a1
This commit is contained in:
Pablo Galindo
parent
d02d824e05
commit
8e9afaf822
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#define PY_MINOR_VERSION 10
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#define PY_MICRO_VERSION 0
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#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_ALPHA
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#define PY_RELEASE_SERIAL 0
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#define PY_RELEASE_SERIAL 1
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/* Version as a string */
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#define PY_VERSION "3.10.0a0"
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#define PY_VERSION "3.10.0a1"
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/*--end constants--*/
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/* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
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Fixed an issue where the :mod:`zoneinfo` module and its tests were not
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included when Python is installed with ``make``.
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``make install`` now uses the ``PLATLIBDIR`` variable for the destination
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``lib-dynload/`` directory when ``./configure --with-platlibdir`` is used.
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The C99 functions :c:func:`snprintf` and :c:func:`vsnprintf` are now required
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to build Python.
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Pin Sphinx version to 2.3.1 in ``Doc/Makefile``.
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Fix ``pycore_bitutils.h`` header file to support old clang versions:
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``__builtin_bswap16()`` is not available in LLVM clang 3.0.
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Update :c:macro:`Py_UNREACHABLE` to use __builtin_unreachable() if only the
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compiler is able to use it. Patch by Dong-hee Na.
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Remove superfluous "extern C" declarations from ``Include/cpython/*.h``.
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The PyType_FromSpec*() functions no longer overwrite the type's "__module__" attribute
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if it is set via "Py_tp_members" or "Py_tp_getset".
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@ -1,5 +0,0 @@
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Convert :c:func:`Py_REFCNT` and :c:func:`Py_SIZE` macros to static inline
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functions. They cannot be used as l-value anymore: use
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:c:func:`Py_SET_REFCNT` and :c:func:`Py_SET_SIZE` to set an object reference
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count and size. This change is backward incompatible on purpose, to prepare
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the C API for an opaque :c:type:`PyObject` structure.
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@ -1,2 +0,0 @@
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The result of :c:func:`PyNumber_Index` now always has exact type :class:`int`.
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Previously, the result could have been an instance of a subclass of ``int``.
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:c:func:`PyOS_InterruptOccurred` now fails with a fatal error if it is
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called with the GIL released.
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Calling :c:func:`PyDict_GetItem` without :term:`GIL` held had been allowed for
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historical reason. It is no longer allowed.
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Fix a ``_PyEval_EvalCode()`` crash if *qualname* argument is NULL.
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Allow defining buffer slots in type specs.
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Export explicitly the :c:func:`Py_GetArgcArgv` function to the C API and
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document the function. Previously, it was exported implicitly which no
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longer works since Python is built with ``-fvisibility=hidden``.
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@ -1,5 +0,0 @@
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The ``PY_SSIZE_T_CLEAN`` macro must now be defined to use
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:c:func:`PyArg_ParseTuple` and :c:func:`Py_BuildValue` formats which use ``#``:
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``es#``, ``et#``, ``s#``, ``u#``, ``y#``, ``z#``, ``U#`` and ``Z#``.
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See :ref:`Parsing arguments and building values <arg-parsing>` and the
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:pep:`353`.
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On Windows, ``#include "pyerrors.h"`` no longer defines ``snprintf`` and
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``vsnprintf`` macros.
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The :c:func:`PyObject_INIT` and :c:func:`PyObject_INIT_VAR` macros become
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aliases to, respectively, :c:func:`PyObject_Init` and
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:c:func:`PyObject_InitVar` functions.
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Mark ``Py_UNICODE_COPY``, ``Py_UNICODE_FILL``, ``PyUnicode_WSTR_LENGTH``,
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``PyUnicode_FromUnicode``, ``PyUnicode_AsUnicode``,
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and ``PyUnicode_AsUnicodeAndSize`` as deprecated in C. Remove ``Py_UNICODE_MATCH``
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which was deprecated and broken since Python 3.3.
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Raises DeprecationWarning for ``PyUnicode_FromUnicode(NULL, size)`` and
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``PyUnicode_FromStringAndSize(NULL, size)`` with ``size > 0``.
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``PyObject_AsCharBuffer()``, ``PyObject_AsReadBuffer()``,
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``PyObject_CheckReadBuffer()``, and ``PyObject_AsWriteBuffer()`` are
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removed. Please migrate to new buffer protocol; :c:func:`PyObject_GetBuffer`
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and :c:func:`PyBuffer_Release`.
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Removed ``Py_UNICODE_str*`` functions manipulating ``Py_UNICODE*`` strings.
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Removed ``PyUnicode_GetMax()``.
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Removed ``PyLong_FromUnicode()``.
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Remove ``PyUnicode_AsUnicodeCopy``.
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Revert :c:func:`PyType_HasFeature` change: it reads again directly the
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:c:member:`PyTypeObject.tp_flags` member when the limited C API is not used,
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rather than always calling :c:func:`PyType_GetFlags` which hides implementation
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details.
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Add :c:func:`PyDateTime_DATE_GET_TZINFO` and
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:c:func:`PyDateTime_TIME_GET_TZINFO` macros for accessing the ``tzinfo``
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attributes of :class:`datetime.datetime` and :class:`datetime.time` objects.
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Add a minimal decimal capsule API. The API supports fast conversions
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between Decimals up to 38 digits and their triple representation as a C
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struct.
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Fix bug in PyOS_mystrnicmp and PyOS_mystricmp that incremented
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pointers beyond the end of a string.
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Types created with :c:func:`PyType_FromSpec` now make any signature in their
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``tp_doc`` slot accessible from ``__text_signature__``.
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Remove the ``_Py_CheckRecursionLimit`` variable: it has been replaced by
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``ceval.recursion_limit`` of the :c:type:`PyInterpreterState`
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structure. Patch by Victor Stinner.
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Add :c:func:`PyCodec_Unregister` function to unregister a codec search
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function.
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The ``PyUnicode_InternImmortal()`` function is now deprecated and will be
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removed in Python 3.12: use :c:func:`PyUnicode_InternInPlace` instead.
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Patch by Victor Stinner.
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Removed undocumented macros ``Py_ALLOW_RECURSION`` and
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``Py_END_ALLOW_RECURSION`` and the ``recursion_critical`` field of the
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:c:type:`PyInterpreterState` structure.
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The int type now supports the x.is_integer() method for compatibility with
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float.
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Add the private macros ``_Py_COMP_DIAG_PUSH``,
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``_Py_COMP_DIAG_IGNORE_DEPR_DECLS``, and ``_Py_COMP_DIAG_POP``.
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Use ncurses extended color functions when available to support terminals with 256 colors, and add the new function :func:`curses.has_extended_color_support` to indicate whether extended color support is provided by the underlying ncurses library.
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Add :meth:`int.bit_count()`, counting the number of ones in the binary
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representation of an integer. Patch by Niklas Fiekas.
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Builtin and extension functions that take integer arguments no longer accept
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:class:`~decimal.Decimal`\ s, :class:`~fractions.Fraction`\ s and other
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objects that can be converted to integers only with a loss (e.g. that have
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the :meth:`~object.__int__` method but do not have the
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:meth:`~object.__index__` method).
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Port :mod:`_lzma` to multiphase initialization.
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Port :mod:`mmap` to multiphase initialization.
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Improve performance of generators by not raising internal StopIteration.
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Make the stack trace correct after calling :meth:`generator.throw`
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on a generator that has yielded from a ``yield from``.
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Certain :exc:`TypeError` messages about missing or extra arguments now include the function's
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:term:`qualified name`. Patch by Dennis Sweeney.
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Each interpreter now its has own free lists, singletons and caches:
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* Free lists: float, tuple, list, dict, frame, context,
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asynchronous generator, MemoryError.
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* Singletons: empty tuple, empty bytes string, empty Unicode string,
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single byte character, single Unicode (latin1) character.
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* Slice cache.
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They are no longer shared by all interpreters.
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Fix a hang that can arise after :meth:`generator.throw` due to a cycle
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in the exception context chain.
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:c:func:`Py_TYPE()` is changed to the inline static function. Patch by
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Dong-hee Na.
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Instances of types created with :c:func:`PyType_FromSpecWithBases` will no
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longer automatically visit their class object when traversing references in
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the garbage collector. The user is expected to manually visit the object's
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class. Patch by Pablo Galindo.
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Support the "-d" debug flag in the new PEG parser. Patch by Pablo Galindo
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@ -1 +0,0 @@
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When there's a :exc:`SyntaxError` in the expression part of an fstring, the filename attribute of the :exc:`SyntaxError` gets correctly set to the name of the file the fstring resides in.
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Fix a corner case where g-style string formatting of a float failed to
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remove trailing zeros.
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@ -1,3 +0,0 @@
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Attributes ``start``, ``stop`` and ``step`` of the :class:`range` object now
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always has exact type :class:`int`. Previously, they could have been an
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instance of a subclass of ``int``.
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Unexpected errors in calling the ``__iter__`` method are no longer masked by
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``TypeError`` in the :keyword:`in` operator and functions
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:func:`~operator.contains`, :func:`~operator.indexOf` and
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:func:`~operator.countOf` of the :mod:`operator` module.
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Delete unnecessary instance check in importlib.reload().
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Patch by Furkan Önder.
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@ -1 +0,0 @@
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Port :mod:`fcntl` to multiphase initialization.
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Fix GIL usage in :c:func:`PyOS_Readline`: lock the GIL to set an exception
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and pass the Python thread state when checking if there is a pending signal.
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@ -1 +0,0 @@
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Allow overriding :data:`sys.platlibdir` via a new :envvar:`PYTHONPLATLIBDIR` environment variable.
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Raise :exc:`ValueError` when validating custom AST's where the constants
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``True``, ``False`` and ``None`` are used within a :class:`ast.Name` node.
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Fix memory leak in when parsing f-strings in the new parser. Patch by Pablo Galindo
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@ -1,2 +0,0 @@
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Fix invalid memory read in the new parser when checking newlines in string
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literals. Patch by Pablo Galindo.
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@ -1 +0,0 @@
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Fixed a possible segfault in the new PEG parser when producing error messages for invalid assignments of the form :code:`p=p=`. Patch by Pablo Galindo
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@ -1,2 +0,0 @@
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Fix possible segfault in the new PEG parser when parsing f-string containing
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yield statements with no value (:code:`f"{yield}"`). Patch by Pablo Galindo
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@ -1 +0,0 @@
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Improved the performance of symmetric difference operations on dictionary item views. Patch by Dennis Sweeney.
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@ -1 +0,0 @@
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Each dictionary view now has a ``mapping`` attribute that provides a :class:`types.MappingProxyType` wrapping the original dictionary. Patch contributed by Dennis Sweeney.
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@ -1,4 +0,0 @@
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Fix a bug where a line with only a line continuation character is not considered a blank line at tokenizer level.
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In such cases, more than a single `NEWLINE` token was emitted. The old parser was working around the issue,
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but the new parser threw a :exc:`SyntaxError` for valid input due to this. For example, an empty line following
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a line continuation character was interpreted as a :exc:`SyntaxError`.
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@ -1 +0,0 @@
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Remove the old parser, the :mod:`parser` module and all associated support code, command-line options and environment variables. Patch by Pablo Galindo.
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@ -1,2 +0,0 @@
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The Python :ref:`Path Configuration <init-path-config>` now takes
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:c:member:`PyConfig.platlibdir` in account.
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@ -1,2 +0,0 @@
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Add a state to the :mod:`nis` module (:pep:`3121`) and apply
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the multiphase initialization. Patch by Dong-hee Na.
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Fix refleak in _Py_fopen_obj() when PySys_Audit() fails
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@ -1 +0,0 @@
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Port :mod:`_dbm` to multiphase initialization.
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@ -1,2 +0,0 @@
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Fix a possible buffer overflow in the PEG parser when gathering information
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for emitting syntax errors. Patch by Pablo Galindo.
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@ -1 +0,0 @@
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Fix a bug that caused the :exc:`SyntaxError` text to be empty when a file ends with a line ending in a line continuation character (i.e. backslash). The error text should contain the text of the last line.
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Port :mod:`_gdbm` to multiphase initialization.
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:func:`zip` now supports :pep:`618`'s ``strict`` parameter, which raises a
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:exc:`ValueError` if the arguments are exhausted at different lengths.
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Patch by Brandt Bucher.
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The ``encodings.latin_1`` module is no longer imported at startup. Now it is
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only imported when it is the filesystem encoding or the stdio encoding.
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@ -1 +0,0 @@
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Convert :mod:`_bz2` to use :c:func:`PyType_FromSpec`.
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Remove the remaining files from the old parser and the :mod:`symbol` module.
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Stefan Behnel reported that cf_feature_version is used even when
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PyCF_ONLY_AST is not set. This is against the intention and against the
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documented behavior, so it's been fixed.
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Rename `PyPegen*` functions to `PyParser*`, so that we can remove the old set of `PyParser*` functions that were using the old parser, but keep everything backwards-compatible.
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@ -1 +0,0 @@
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Opt out serialization/deserialization for _random.Random
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Fix incorrect expressions and asserts in hashtable code and tests.
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Fixes a reference to deallocated stack space during startup when constructing sys.path involving a relative symlink when code was supplied via -c. (discovered via Coverity)
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Pre-feed the parser with the location of the f-string expression, not the f-string itself, which allows us to skip the shifting of the AST node locations after the parsing is completed.
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Empty frozensets are no longer singletons.
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@ -1 +0,0 @@
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Prefix the error message with 'f-string: ', when parsing an f-string expression which throws a :exc:`SyntaxError`.
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@ -1,2 +0,0 @@
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The "hackcheck" that prevents sneaking around a type's __setattr__() by calling the
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superclass method was rewritten to allow C implemented heap types.
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@ -1,2 +0,0 @@
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Fix decoding errors with audit when open files with non-ASCII names on non-UTF-8
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locale.
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@ -1 +0,0 @@
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add arm64 to the allowable Mac OS arches in mpdecimal.h
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Guard against a NULL pointer dereference within bytearrayobject triggered by
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the ``bytearray() + bytearray()`` operation.
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@ -1 +0,0 @@
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Port :mod:`sha256` to multiphase initialization
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@ -1 +0,0 @@
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Port :mod:`faulthandler` to multiphase initialization.
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Python 3.8.3 had a regression where compiling with
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ast.PyCF_ALLOW_TOP_LEVEL_AWAIT would aggressively mark list comprehension
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with CO_COROUTINE. Now only list comprehension making use of async/await
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will tagged as so.
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@ -1,2 +0,0 @@
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Use non-NULL default values in the PEG parser keyword list to overcome a bug that was preventing
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Python from being properly compiled when using the XLC compiler. Patch by Pablo Galindo.
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@ -1 +0,0 @@
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Port :mod:`winapi` to multiphase initialization
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@ -1 +0,0 @@
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Port :mod:`multiprocessing` to multi-phase initialization
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@ -1 +0,0 @@
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Fix incorrect refcounting in _ssl.c's ``_servername_callback()``.
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Always cache the running loop holder when running
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``asyncio.set_running_loop``.
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