cli.py 文件源码

def modpack_file(path: Path) -> Generator[ModPack, None, None]:
    """Context manager for manipulation of existing mod-pack.

    Keyword arguments:
        path: Path to the existing ModPack file, which should be provided.

    Yields:
        ModPack loaded from path. If no exception occurs, the provided modpack
        is written (with changes) back to the file on context exit.
    """

    with path.open(encoding='utf-8', mode='r') as istream:
        mp = ModPack.load(istream)

    yield mp

    with path.open(encoding='utf-8', mode='w') as ostream:
        mp.dump(ostream)