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gh-105927: Remove _PyWeakref_GetWeakrefCount() #106007

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Merged
vstinner merged 1 commit into from
Jun 23, 2023
Merged

gh-105927: Remove _PyWeakref_GetWeakrefCount() #106007

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4 changes: 0 additions & 4 deletions Include/cpython/weakrefobject.h
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Original file line number Diff line number Diff line change
Expand Up @@ -32,10 +32,6 @@ struct _PyWeakReference {
vectorcallfunc vectorcall;
};

PyAPI_FUNC(Py_ssize_t) _PyWeakref_GetWeakrefCount(PyWeakReference *head);

PyAPI_FUNC(void) _PyWeakref_ClearRef(PyWeakReference *self);

static inline PyObject* PyWeakref_GET_OBJECT(PyObject *ref_obj) {
PyWeakReference *ref;
PyObject *obj;
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4 changes: 4 additions & 0 deletions Include/internal/pycore_weakref.h
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Expand Up @@ -46,6 +46,10 @@ static inline int _PyWeakref_IS_DEAD(PyObject *ref_obj) {
return (Py_REFCNT(obj) == 0);
}

extern Py_ssize_t _PyWeakref_GetWeakrefCount(PyWeakReference *head);

extern void _PyWeakref_ClearRef(PyWeakReference *self);

#ifdef __cplusplus
}
#endif
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33 changes: 15 additions & 18 deletions Modules/_weakref.c
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Expand Up @@ -89,25 +89,22 @@ static PyObject *
_weakref_getweakrefs(PyObject *module, PyObject *object)
/*[clinic end generated code: output=25c7731d8e011824 input=00c6d0e5d3206693]*/
{
PyObject *result = NULL;

if (_PyType_SUPPORTS_WEAKREFS(Py_TYPE(object))) {
PyWeakReference **list = GET_WEAKREFS_LISTPTR(object);
Py_ssize_t count = _PyWeakref_GetWeakrefCount(*list);

result = PyList_New(count);
if (result != NULL) {
PyWeakReference *current = *list;
Py_ssize_t i;
for (i = 0; i < count; ++i) {
PyList_SET_ITEM(result, i, (PyObject *) current);
Py_INCREF(current);
current = current->wr_next;
}
}
if (!_PyType_SUPPORTS_WEAKREFS(Py_TYPE(object))) {
return PyList_New(0);
}
else {
result = PyList_New(0);

PyWeakReference **list = GET_WEAKREFS_LISTPTR(object);
Py_ssize_t count = _PyWeakref_GetWeakrefCount(*list);

PyObject *result = PyList_New(count);
if (result == NULL) {
return NULL;
}

PyWeakReference *current = *list;
for (Py_ssize_t i = 0; i < count; ++i) {
PyList_SET_ITEM(result, i, Py_NewRef(current));
current = current->wr_next;
}
return result;
}
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1 change: 1 addition & 0 deletions Modules/gcmodule.c
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Expand Up @@ -30,6 +30,7 @@
#include "pycore_object.h"
#include "pycore_pyerrors.h"
#include "pycore_pystate.h" // _PyThreadState_GET()
#include "pycore_weakref.h" // _PyWeakref_ClearRef()
#include "pydtrace.h"

typedef struct _gc_runtime_state GCState;
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