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bpo-40170: PyType_SUPPORTS_WEAKREFS() becomes a regular function (GH-30938)

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Convert the PyType_SUPPORTS_WEAKREFS() macro to a regular function.
It no longer access the PyTypeObject.tp_weaklistoffset member
directly.

Add _PyType_SUPPORTS_WEAKREFS() static inline functions, used
internally by Python for best performance.
This commit is contained in:
Victor Stinner 2022-01-27 03:00:55 +01:00 • committed by GitHub
parent f0a648152f
commit af32b3ef1f
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7 changed files with 24 additions and 10 deletions
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9
Objects/typeobject.c
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@ -2473,12 +2473,21 @@ type_init(PyObject *cls, PyObject *args, PyObject *kwds)
return 0;
}
unsigned long
PyType_GetFlags(PyTypeObject *type)
{
return type->tp_flags;
}
int
PyType_SUPPORTS_WEAKREFS(PyTypeObject *type)
{
return _PyType_SUPPORTS_WEAKREFS(type);
}
/* Determine the most derived metatype. */
PyTypeObject *
_PyType_CalculateMetaclass(PyTypeObject *metatype, PyObject *bases)