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Python 3.9.0a1
This commit is contained in:
Łukasz Langa
parent
24555ce2f9
commit
fd757083df
573 changed files with 6113 additions and 1382 deletions
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Use singular/plural noun in error message when instantiating an abstract
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class with non-overriden abstract method(s).
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Convert posixmodule.c statically allocated types ``DirEntryType`` and
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``ScandirIteratorType`` to heap-allocated types.
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Fix the cast on error in :c:func:`PyLong_AsUnsignedLongLongMask()`.
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Add a new public :c:func:`PyObject_CallNoArgs` function to the C API: call a
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callable Python object without any arguments. It is the most efficient way to
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call a callback without any argument. On x86-64, for example,
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``PyObject_CallFunctionObjArgs(func, NULL)`` allocates 960 bytes on the stack
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per call, whereas ``PyObject_CallNoArgs(func)`` only allocates 624 bytes per
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call.
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Fix dtrace issue introduce by bpo-36842
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The new function :c:func:`PyCode_NewWithPosOnlyArgs` allows to create
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code objects like :c:func:`PyCode_New`, but with an extra *posonlyargcount*
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parameter for indicating the number of positonal-only arguments.
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The :const:`METH_FASTCALL` calling convention has been documented.
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Add fast functions for calling methods: :c:func:`_PyObject_VectorcallMethod`,
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:c:func:`_PyObject_CallMethodNoArgs` and :c:func:`_PyObject_CallMethodOneArg`.
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Add :func:`PyConfig_SetWideStringList` function.
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Add new function ``_PyObject_CallOneArg`` for calling an object with one
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positional argument.
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Exclude Python-ast.h, ast.h and asdl.h from the limited API.
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The vectorcall protocol is now enabled for ``type`` objects: set
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``tp_vectorcall`` to a vectorcall function to be used instead of ``tp_new``
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and ``tp_init`` when calling the class itself.
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The vectorcall protocol now requires that the caller passes only strings as
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keyword names.
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``PyCFunction_Call`` is now a deprecated alias of :c:func:`PyObject_Call`.
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The functions ``PyEval_CallObject``, ``PyEval_CallFunction``,
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``PyEval_CallMethod`` and ``PyEval_CallObjectWithKeywords`` are deprecated.
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Use :c:func:`PyObject_Call` and its variants instead.
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Add :c:func:`_PyObject_FunctionStr` to get a user-friendly string representation
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of a function-like object. Patch by Jeroen Demeyer.
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Fix subtype_dealloc to suppress the type decref when the base type is a C
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heap type
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Fix a crash in ``PySys_SetArgvEx(0, NULL, 0)``.
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Options added by ``PySys_AddXOption()`` are now handled the same way than
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``PyConfig.xoptions`` and command line ``-X`` options.
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The C function ``PyGen_NeedsFinalizing`` has been removed. It was not
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documented, tested or used anywhere within CPython after the implementation
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of :pep:`442`. Patch by Joannah Nanjekye.
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(Patch by Joannah Nanjekye)
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Make dict and weakref offsets opaque for C heap types by passing the offsets
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through PyMemberDef
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The :c:func:`Py_UNREACHABLE` macro now calls :c:func:`Py_FatalError`.
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Python ignored arguments passed to :c:func:`Py_SetPath`,
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:c:func:`Py_SetPythonHome` and :c:func:`Py_SetProgramName`: fix Python
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initialization to use specified arguments.
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:c:func:`Py_SetPath` now sets :data:`sys.executable` to the program full
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path (:c:func:`Py_GetProgramFullPath`) rather than to the program name
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(:c:func:`Py_GetProgramName`).
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Update audioop extension module to use the stable ABI (PEP-384). Patch by Tyler Kieft.
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Revert the removal of PyThreadState_DeleteCurrent() with documentation.
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The ``_PyObject_CheckConsistency()`` function is now also available in release
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mode. For example, it can be used to debug a crash in the ``visit_decref()``
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function of the GC.
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Fix a crash in :class:`weakref.proxy` objects due to incorrect lifetime
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management when calling some associated methods that may delete the last
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reference to object being referenced by the proxy. Patch by Pablo Galindo.
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Fixed possible leak in :c:func:`PyArg_Parse` and similar functions for
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format units ``"es#"`` and ``"et#"`` when the macro
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:c:macro:`PY_SSIZE_T_CLEAN` is not defined.
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The global variable :c:data:`PyStructSequence_UnnamedField` is now a
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constant and refers to a constant string.
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Provide :c:func:`Py_EnterRecursiveCall` and :c:func:`Py_LeaveRecursiveCall`
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as regular functions for the limited API. Previously, there were defined as
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macros, but these macros didn't work with the limited API which cannot access
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``PyThreadState.recursion_depth`` field. Remove ``_Py_CheckRecursionLimit``
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from the stable ABI.
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Reëxport some function compatibility wrappers for macros in ``pythonrun.h``.
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