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-rw-r--r--Modules/_elementtree.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
index 136f19c..826342a 100644
--- a/Modules/_elementtree.c
+++ b/Modules/_elementtree.c
@@ -2791,7 +2791,7 @@ typedef struct {
} XMLParserObject;
-#define XMLParser_CheckExact(op) (Py_TYPE(op) == &XMLParser_Type)
+static PyObject* xmlparser_doctype(XMLParserObject* self, PyObject* args);
/* helpers */
@@ -3190,20 +3190,21 @@ expat_start_doctype_handler(XMLParserObject *self,
doctype_name_obj, pubid_obj, sysid_obj);
Py_CLEAR(res);
}
-
- /* Now see if the parser itself has a doctype method. If yes and it's
- * a subclass, call it but warn about deprecation. If it's not a subclass
- * (i.e. vanilla XMLParser), do nothing.
- */
- parser_doctype = PyObject_GetAttrString(self_pyobj, "doctype");
- if (parser_doctype) {
- if (!XMLParser_CheckExact(self_pyobj)) {
- if (PyErr_WarnEx(PyExc_DeprecationWarning,
- "This method of XMLParser is deprecated. Define"
- " doctype() method on the TreeBuilder target.",
- 1) < 0) {
+ else {
+ /* Now see if the parser itself has a doctype method. If yes and it's
+ * a custom method, call it but warn about deprecation. If it's only
+ * the vanilla XMLParser method, do nothing.
+ */
+ parser_doctype = PyObject_GetAttrString(self_pyobj, "doctype");
+ if (parser_doctype &&
+ !(PyCFunction_Check(parser_doctype) &&
+ PyCFunction_GET_SELF(parser_doctype) == self_pyobj &&
+ PyCFunction_GET_FUNCTION(parser_doctype) ==
+ (PyCFunction) xmlparser_doctype)) {
+ res = xmlparser_doctype(self, NULL);
+ if (!res)
goto clear;
- }
+ Py_DECREF(res);
res = PyObject_CallFunction(parser_doctype, "OOO",
doctype_name_obj, pubid_obj, sysid_obj);
Py_CLEAR(res);
@@ -3556,6 +3557,12 @@ xmlparser_parse_whole(XMLParserObject* self, PyObject* args)
static PyObject*
xmlparser_doctype(XMLParserObject *self, PyObject *args)
{
+ if (PyErr_WarnEx(PyExc_DeprecationWarning,
+ "This method of XMLParser is deprecated. Define"
+ " doctype() method on the TreeBuilder target.",
+ 1) < 0) {
+ return NULL;
+ }
Py_RETURN_NONE;
}