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bpo-31428: Prevent raising a SystemError in case the memo arg of ElementTree.Element.__deepcopy__() isn't a dictionary. (#3512)

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Oren Milman 2017-09-12 17:39:15 +03:00 • committed by Serhiy Storchaka
parent 98758bc67f
commit d056818ed2
2 changed files with 24 additions and 5 deletions
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9
Modules/_elementtree.c
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@ -733,14 +733,14 @@ LOCAL(PyObject *) deepcopy(PyObject *, PyObject *);
/*[clinic input]
_elementtree.Element.__deepcopy__
memo: object
memo: object(subclass_of="&PyDict_Type")
/
[clinic start generated code]*/
static PyObject *
_elementtree_Element___deepcopy__(ElementObject *self, PyObject *memo)
/*[clinic end generated code: output=d1f19851d17bf239 input=df24c2b602430b77]*/
_elementtree_Element___deepcopy___impl(ElementObject *self, PyObject *memo)
/*[clinic end generated code: output=eefc3df50465b642 input=a2d40348c0aade10]*/
{
Py_ssize_t i;
ElementObject* element;
@ -849,7 +849,8 @@ deepcopy(PyObject *object, PyObject *memo)
/* Fall through to general case */
}
else if (Element_CheckExact(object)) {
return _elementtree_Element___deepcopy__((ElementObject *)object, memo);
return _elementtree_Element___deepcopy___impl(
(ElementObject *)object, memo);
}
}