Method get_callback_func

tests/test_scene_manager.py:96–103

For testing using a callback function.

(self)

        return lambda image, frame_num: self._callback(image, frame_num)

    def get_callback_func(self):
        """For testing using a callback function."""

        def callback(image, frame_num):
            nonlocal self
            self._callback(image, frame_num)

        return callback

    def _callback(self, image, frame_num):
        self.scene_list.append(frame_num)