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Add support for the iterator protocol to weakref proxy objects.

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Part of fixing SF bug #591704.
This commit is contained in:
Fred Drake 2002-08-09 18:34:16 +00:00
parent ca3ac7f639
commit f16c3dc81b
1 changed files with 64 additions and 38 deletions
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26
Objects/weakrefobject.c
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@ -383,6 +383,24 @@ proxy_setitem(PyWeakReference *proxy, PyObject *key, PyObject *value)
return PyObject_SetItem(PyWeakref_GET_OBJECT(proxy), key, value); return PyObject_SetItem(PyWeakref_GET_OBJECT(proxy), key, value);
} }
/* iterator slots */
static PyObject *
proxy_iter(PyWeakReference *proxy)
{
if (!proxy_checkref(proxy))
return NULL;
return PyObject_GetIter(PyWeakref_GET_OBJECT(proxy));
}
static PyObject *
proxy_iternext(PyWeakReference *proxy)
{
if (!proxy_checkref(proxy))
return NULL;
return PyIter_Next(PyWeakref_GET_OBJECT(proxy));
}
static PyNumberMethods proxy_as_number = { static PyNumberMethods proxy_as_number = {
(binaryfunc)proxy_add, /*nb_add*/ (binaryfunc)proxy_add, /*nb_add*/
@ -467,6 +485,10 @@ _PyWeakref_ProxyType = {
0, /* tp_doc */ 0, /* tp_doc */
(traverseproc)gc_traverse, /* tp_traverse */ (traverseproc)gc_traverse, /* tp_traverse */
(inquiry)gc_clear, /* tp_clear */ (inquiry)gc_clear, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
(getiterfunc)proxy_iter, /* tp_iter */
(iternextfunc)proxy_iternext, /* tp_iternext */
}; };
@ -498,6 +520,10 @@ _PyWeakref_CallableProxyType = {
0, /* tp_doc */ 0, /* tp_doc */
(traverseproc)gc_traverse, /* tp_traverse */ (traverseproc)gc_traverse, /* tp_traverse */
(inquiry)gc_clear, /* tp_clear */ (inquiry)gc_clear, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
(getiterfunc)proxy_iter, /* tp_iter */
(iternextfunc)proxy_iternext, /* tp_iternext */
}; };