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Code Issues Projects Releases Packages Wiki Activity Actions 15

Allow assignment to newinstance.__dict__.

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This commit is contained in:
Guido van Rossum 2001-10-26 04:26:12 +00:00
parent 0afde13b43
commit 6661be3bed
2 changed files with 50 additions and 1 deletions
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25
Objects/typeobject.c
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@ -674,8 +674,31 @@ subtype_dict(PyObject *obj, void *context)
return dict;
}
static int
subtype_setdict(PyObject *obj, PyObject *value, void *context)
{
PyObject **dictptr = _PyObject_GetDictPtr(obj);
PyObject *dict;
if (dictptr == NULL) {
PyErr_SetString(PyExc_AttributeError,
"This object has no __dict__");
return -1;
}
if (value == NULL || !PyDict_Check(value)) {
PyErr_SetString(PyExc_TypeError,
"__dict__ must be set to a dictionary");
return -1;
}
dict = *dictptr;
Py_INCREF(value);
*dictptr = value;
Py_XDECREF(dict);
return 0;
}
static PyGetSetDef subtype_getsets[] = {
{"__dict__", subtype_dict, NULL, NULL},
{"__dict__", subtype_dict, subtype_setdict, NULL},
{0},
};