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bpo-39573: Convert Py_TYPE() and Py_SIZE() back to macros (GH-23366)

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This change partically reverts
commit ad3252bad9
and the commit fe2978b3b9.

Many third party C extension modules rely on the ability of using
Py_TYPE() to set an object type: "Py_TYPE(obj) = type;" or to set an
object type using: "Py_SIZE(obj) = size;".
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Victor Stinner 2020-11-18 18:48:06 +01:00 • committed by GitHub
parent 2156d964a1
commit 0e2ac21dd4
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5 changed files with 35 additions and 26 deletions
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8
Doc/c-api/structures.rst
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@ -68,9 +68,7 @@ the definition of all other Python objects.
Return a :term:`borrowed reference`.
.. versionchanged:: 3.10
:c:func:`Py_TYPE()` is changed to the inline static function.
Use :c:func:`Py_SET_TYPE()` to set an object type.
The :c:func:`Py_SET_TYPE` function must be used to set an object type.
.. c:function:: int Py_IS_TYPE(PyObject *o, PyTypeObject *type)
@ -108,9 +106,7 @@ the definition of all other Python objects.
Get the size of the Python object *o*.
.. versionchanged:: 3.10
:c:func:`Py_SIZE()` is changed to the inline static function.
Use :c:func:`Py_SET_SIZE()` to set an object size.
The :c:func:`Py_SET_SIZE` function must be used to set an object size.
.. c:function:: void Py_SET_SIZE(PyVarObject *o, Py_ssize_t size)