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getset_init(): make the arguments optional.

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getset_doc: add docstring.
This commit is contained in:
Guido van Rossum 2001-08-24 09:55:51 +00:00
parent 75a2f85593
commit 91c0d8a922
1 changed files with 11 additions and 3 deletions
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14
Objects/descrobject.c
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@ -916,10 +916,10 @@ getset_descr_set(PyObject *self, PyObject *obj, PyObject *value)
static int
getset_init(PyObject *self, PyObject *args, PyObject *kwds)
{
PyObject *get, *set;
PyObject *get = NULL, *set = NULL;
getsetobject *gs = (getsetobject *)self;
if (!PyArg_ParseTuple(args, "OO:getset.__init__", &get, &set))
if (!PyArg_ParseTuple(args, "|OO:getset.__init__", &get, &set))
return -1;
if (get == Py_None)
get = NULL;
@ -932,6 +932,14 @@ getset_init(PyObject *self, PyObject *args, PyObject *kwds)
return 0;
}
static char getset_doc[] =
"getset([getfunc[, setfunc]]) -> getset attribute\n"
"Typical use to define a managed attribute x of C instances:\n"
"class C(object):\n"
" def getx(self): return self.__x\n"
" def setx(self, value): self.__x = value\n"
" x = getset(getx, setx)";
PyTypeObject PyGetSet_Type = {
PyObject_HEAD_INIT(&PyType_Type)
0, /* ob_size */
@ -955,7 +963,7 @@ PyTypeObject PyGetSet_Type = {
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
0, /* tp_doc */
getset_doc, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */