def get_tag(self, context, resource, resource_id, tag):
res = self._get_resource(context, resource, resource_id)
if not any(tag == tag_db.tag for tag_db in res.standard_attr.tags):
raise tagging.TagNotFound(tag=tag)
def delete_tag(self, context, resource, resource_id, tag):
res = self._get_resource(context, resource, resource_id)
if not tag_obj.Tag.delete_objects(
context, tag=tag, standard_attr_id=res.standard_attr_id):
raise tagging.TagNotFound(tag=tag)
