def is_for_driver_task(self):
        """See whether this function descriptor is for a driver or not.

        Returns:
            True if this function descriptor is for driver tasks.
        """
        return all(
            len(x) == 0
            for x in [self.module_name, self.class_name, self.function_name])
See whether this function descriptor is for a driver or not.

        Returns:
            True if this function descriptor is for driver tasks.