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gh-103509: PEP 697 -- Limited C API for Extending Opaque Types (GH-103511)

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Co-authored-by: Oleg Iarygin <oleg@arhadthedev.net>
Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
This commit is contained in:
Petr Viktorin 2023-05-04 09:56:53 +02:00 • committed by GitHub
parent 35d273825a
commit cd9a56c2b0
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30 changed files with 970 additions and 19 deletions
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5
Include/object.h
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@ -355,6 +355,8 @@ PyAPI_FUNC(PyObject *) PyType_GetQualName(PyTypeObject *);
#endif
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030C0000
PyAPI_FUNC(PyObject *) PyType_FromMetaclass(PyTypeObject*, PyObject*, PyType_Spec*, PyObject*);
PyAPI_FUNC(void *) PyObject_GetTypeData(PyObject *obj, PyTypeObject *cls);
PyAPI_FUNC(Py_ssize_t) PyType_GetTypeDataSize(PyTypeObject *cls);
#endif
/* Generic type check */
@ -521,6 +523,9 @@ given type object has a specified feature.
// subject itself (rather than a mapped attribute on it):
#define _Py_TPFLAGS_MATCH_SELF (1UL << 22)
/* Items (ob_size*tp_itemsize) are found at the end of an instance's memory */
#define Py_TPFLAGS_ITEMS_AT_END (1UL << 23)
/* These flags are used to determine if a type is a subclass. */
#define Py_TPFLAGS_LONG_SUBCLASS (1UL << 24)
#define Py_TPFLAGS_LIST_SUBCLASS (1UL << 25)