meta_events.py 文件源码

def end_of_track(data: Union[FileIO, BufferedReader]) -> Tuple[int, None, None]:
    length_bytes = data.read(4)
    length = int.from_bytes(length_bytes, "big")
    if length != 0:
        raise EventLengthError("End of Track event with non-zero length")
    return length, None, None