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Issue #18501, #18408: Fix expat handlers in pyexpat, don't call Python

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functions if a Python exception was raised
This commit is contained in:
Victor Stinner 2013-07-18 23:17:01 +02:00
parent 3fd8cbd5e4
commit 9e09c26e8a
1 changed files with 15 additions and 0 deletions
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15
Modules/pyexpat.c
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@ -402,6 +402,10 @@ static void
my_CharacterDataHandler(void *userData, const XML_Char *data, int len)
{
xmlparseobject *self = (xmlparseobject *) userData;
if (PyErr_Occurred())
return;
if (self->buffer == NULL)
call_character_handler(self, data, len);
else {
@ -436,6 +440,9 @@ my_StartElementHandler(void *userData,
PyObject *container, *rv, *args;
int i, max;
if (PyErr_Occurred())
return;
if (flush_character_buffer(self) < 0)
return;
/* Set max to the number of slots filled in atts[]; max/2 is
@ -519,6 +526,8 @@ my_##NAME##Handler PARAMS {\
INIT \
\
if (have_handler(self, NAME)) { \
if (PyErr_Occurred()) \
return RETURN; \
if (flush_character_buffer(self) < 0) \
return RETURN; \
args = Py_BuildValue PARAM_FORMAT ;\
@ -633,6 +642,9 @@ my_ElementDeclHandler(void *userData,
PyObject *rv = NULL;
PyObject *modelobj, *nameobj;
if (PyErr_Occurred())
return;
if (flush_character_buffer(self) < 0)
goto finally;
modelobj = conv_content_model(model, (conv_string_to_unicode));
@ -1125,6 +1137,9 @@ PyUnknownEncodingHandler(void *encodingHandlerData,
void *data;
unsigned int kind;
if (PyErr_Occurred())
return XML_STATUS_ERROR;
if (template_buffer[1] == 0) {
for (i = 0; i < 256; i++)
template_buffer[i] = i;