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diff --git a/python/libxml.c b/python/libxml.c
index bf048006..5f42e5b7 100644
--- a/python/libxml.c
+++ b/python/libxml.c
@@ -1505,6 +1505,7 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNUSED void *ctx, const char *msg,
PyObject *message;
PyObject *result;
char str[1000];
+ unsigned char *ptr = (unsigned char *)str;
if (libxml_xmlPythonErrorFuncHandler == NULL) {
va_start(ap, msg);
@@ -1516,12 +1517,20 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNUSED void *ctx, const char *msg,
str[999] = 0;
va_end(ap);
+#if PY_MAJOR_VERSION >= 3
+ /* Ensure the error string doesn't start at UTF8 continuation. */
+ while (*ptr && (*ptr & 0xc0) == 0x80)
+ ptr++;
+#endif
+
list = PyTuple_New(2);
PyTuple_SetItem(list, 0, libxml_xmlPythonErrorFuncCtxt);
Py_XINCREF(libxml_xmlPythonErrorFuncCtxt);
- message = libxml_charPtrConstWrap(str);
+ message = libxml_charPtrConstWrap(ptr);
PyTuple_SetItem(list, 1, message);
result = PyObject_CallObject(libxml_xmlPythonErrorFuncHandler, list);
+ /* Forget any errors caused in the error handler. */
+ PyErr_Clear();
Py_XDECREF(list);
Py_XDECREF(result);
}
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