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- /* Weak references objects for Python. */
- #ifndef Py_WEAKREFOBJECT_H
- #define Py_WEAKREFOBJECT_H
- #ifdef __cplusplus
- extern "C" {
- #endif
- typedef struct _PyWeakReference PyWeakReference;
- PyAPI_DATA(PyTypeObject) _PyWeakref_RefType;
- PyAPI_DATA(PyTypeObject) _PyWeakref_ProxyType;
- PyAPI_DATA(PyTypeObject) _PyWeakref_CallableProxyType;
- #define PyWeakref_CheckRef(op) PyObject_TypeCheck((op), &_PyWeakref_RefType)
- #define PyWeakref_CheckRefExact(op) \
- Py_IS_TYPE((op), &_PyWeakref_RefType)
- #define PyWeakref_CheckProxy(op) \
- (Py_IS_TYPE((op), &_PyWeakref_ProxyType) \
- || Py_IS_TYPE((op), &_PyWeakref_CallableProxyType))
- #define PyWeakref_Check(op) \
- (PyWeakref_CheckRef(op) || PyWeakref_CheckProxy(op))
- PyAPI_FUNC(PyObject *) PyWeakref_NewRef(PyObject *ob,
- PyObject *callback);
- PyAPI_FUNC(PyObject *) PyWeakref_NewProxy(PyObject *ob,
- PyObject *callback);
- PyAPI_FUNC(PyObject *) PyWeakref_GetObject(PyObject *ref);
- #ifndef Py_LIMITED_API
- # define Py_CPYTHON_WEAKREFOBJECT_H
- # include "cpython/weakrefobject.h"
- # undef Py_CPYTHON_WEAKREFOBJECT_H
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif /* !Py_WEAKREFOBJECT_H */
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