def __call__(self, request, model, app_label, object_id, field_name, score):
try:<EOL><INDENT>content_type = ContentType.objects.get(model=model, app_label=app_label)<EOL><DEDENT>except ContentType.DoesNotExist:<EOL><INDENT>raise Http404('<STR_LIT>')<EOL><DEDENT>return super(AddRatingFromModel, self).__call__(request, content_type.id,<EOL>object_id, field_name, score)<EOL>
__call__(request, model, app_label, object_id, field_name, score)

        Adds a vote to the specified model field.