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gst-python: fix compatibility with PyGObject>=3.52.0

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PyGObject 3.52.0 moved OverridesProxyModule _introspection_module to __slots__,
causing Segmentation Faults when accessing the field.
Since _introspection_module is used to get Gst.Element but is never actually
used afterward, we fix the issue by removing this part.

Fixes #4314

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8653>
This commit is contained in:
Matteo Bruni 2025-03-20 10:09:21 +01:00 committed by GStreamer Marge Bot
parent f795796f89
commit 69bba61e54
1 changed files with 1 additions and 22 deletions
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23
subprojects/gst-python/plugin/gstpythonplugin.c
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@ -53,8 +53,6 @@ gstpy_module_symbol (gpointer handle, const char *name, gpointer * symbol)
} }
#endif #endif
void *_PyGstElement_Type;
GST_DEBUG_CATEGORY_STATIC (pyplugindebug); GST_DEBUG_CATEGORY_STATIC (pyplugindebug);
#define GST_CAT_DEFAULT pyplugindebug #define GST_CAT_DEFAULT pyplugindebug
@ -237,7 +235,7 @@ static gboolean
plugin_init (GstPlugin * plugin) plugin_init (GstPlugin * plugin)
{ {
PyGILState_STATE state = 0; PyGILState_STATE state = 0;
PyObject *gi, *require_version, *args, *gst, *dict, *pyplugin; PyObject *gi, *require_version, *args, *gst, *pyplugin;
gboolean we_initialized = FALSE; gboolean we_initialized = FALSE;
gpointer has_python = NULL; gpointer has_python = NULL;
const gchar *override_path; const gchar *override_path;
@ -333,25 +331,6 @@ plugin_init (GstPlugin * plugin)
} }
if (we_initialized) { if (we_initialized) {
PyObject *tmp;
dict = PyModule_GetDict (gst);
if (!dict) {
g_critical ("gi.repository.Gst is no dict");
return FALSE;
}
tmp =
PyObject_GetAttr (PyMapping_GetItemString (dict,
"_introspection_module"), PyUnicode_FromString ("__dict__"));
_PyGstElement_Type = PyMapping_GetItemString (tmp, "Element");
if (!_PyGstElement_Type) {
g_critical ("Could not get Gst.Element");
return FALSE;
}
pyplugin = pygobject_new (G_OBJECT (plugin)); pyplugin = pygobject_new (G_OBJECT (plugin));
if (!pyplugin || PyModule_AddObject (gst, "__plugin__", pyplugin) != 0) { if (!pyplugin || PyModule_AddObject (gst, "__plugin__", pyplugin) != 0) {
g_critical ("Couldn't set __plugin__ attribute"); g_critical ("Couldn't set __plugin__ attribute");