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SF 1062353: set pickling problems

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Support automatic pickling of dictionaries in instance of set subclasses.
This commit is contained in:
Raymond Hettinger 2004-11-09 07:25:31 +00:00
parent f8c075cefc
commit 15056a5202
2 changed files with 18 additions and 5 deletions
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11
Objects/setobject.c
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@ -844,7 +844,7 @@ PyDoc_STRVAR(pop_doc, "Remove and return an arbitrary set element.");
static PyObject *
set_reduce(PySetObject *so)
{
PyObject *keys=NULL, *args=NULL, *result=NULL;
PyObject *keys=NULL, *args=NULL, *result=NULL, *dict=NULL;
keys = PyDict_Keys(so->data);
if (keys == NULL)
@ -852,10 +852,17 @@ set_reduce(PySetObject *so)
args = PyTuple_Pack(1, keys);
if (args == NULL)
goto done;
result = PyTuple_Pack(2, so->ob_type, args);
dict = PyObject_GetAttrString((PyObject *)so, "__dict__");
if (dict == NULL) {
PyErr_Clear();
dict = Py_None;
Py_INCREF(dict);
}
result = PyTuple_Pack(3, so->ob_type, args, dict);
done:
Py_XDECREF(args);
Py_XDECREF(keys);
Py_XDECREF(dict);
return result;
}