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gh-133644: remove PyWeakref_GetObject and PyWeakref_GET_OBJECT (GH-133657)

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Bénédikt Tran 2025-09-24 11:25:56 +02:00 • committed by GitHub
parent 30f849250b
commit a5e0562350
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16 changed files with 24 additions and 73 deletions
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Include/cpython/weakrefobject.h
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@ -47,20 +47,3 @@ PyAPI_FUNC(void) _PyWeakref_ClearRef(PyWeakReference *self);
// Test if a weak reference is dead.
PyAPI_FUNC(int) PyWeakref_IsDead(PyObject *ref);
Py_DEPRECATED(3.13) static inline PyObject* PyWeakref_GET_OBJECT(PyObject *ref_obj)
{
PyWeakReference *ref = _PyWeakref_CAST(ref_obj);
PyObject *obj = ref->wr_object;
// Explanation for the Py_REFCNT() check: when a weakref's target is part
// of a long chain of deallocations which triggers the trashcan mechanism,
// clearing the weakrefs can be delayed long after the target's refcount
// has dropped to zero. In the meantime, code accessing the weakref will
// be able to "see" the target object even though it is supposed to be
// unreachable. See issue gh-60806.
if (Py_REFCNT(obj) > 0) {
return obj;
}
return Py_None;
}
#define PyWeakref_GET_OBJECT(ref) PyWeakref_GET_OBJECT(_PyObject_CAST(ref))