43 lines
1.9 KiB
Cython
43 lines
1.9 KiB
Cython
from .object cimport PyObject
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cdef extern from "Python.h":
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bint PyWeakref_Check(object ob)
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# Return true if ob is either a reference or proxy object.
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bint PyWeakref_CheckRef(object ob)
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# Return true if ob is a reference object.
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bint PyWeakref_CheckProxy(ob)
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# Return true if *ob* is a proxy object.
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object PyWeakref_NewRef(object ob, object callback)
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# Return a weak reference object for the object ob. This will
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# always return a new reference, but is not guaranteed to create a
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# new object; an existing reference object may be returned. The
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# second parameter, callback, can be a callable object that
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# receives notification when ob is garbage collected; it should
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# accept a single parameter, which will be the weak reference
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# object itself. callback may also be None or NULL. If ob is not
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# a weakly-referencable object, or if callback is not callable,
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# None, or NULL, this will return NULL and raise TypeError.
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object PyWeakref_NewProxy(object ob, object callback)
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# Return a weak reference proxy object for the object ob. This
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# will always return a new reference, but is not guaranteed to
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# create a new object; an existing proxy object may be returned.
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# The second parameter, callback, can be a callable object that
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# receives notification when ob is garbage collected; it should
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# accept a single parameter, which will be the weak reference
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# object itself. callback may also be None or NULL. If ob is not
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# a weakly-referencable object, or if callback is not callable,
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# None, or NULL, this will return NULL and raise TypeError.
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PyObject* PyWeakref_GetObject(object ref) except NULL
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# Return the referenced object from a weak reference, ref. If the
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# referent is no longer live, returns None.
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PyObject* PyWeakref_GET_OBJECT(object ref)
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# Similar to PyWeakref_GetObject, but implemented as a macro that
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# does no error checking.
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