__init__.py 文件源码

def _cli_argument_parser():
    argp = argparse.ArgumentParser(
        description='Produce Lilypond documentation')

    argp.add_argument(
        'path', metavar='PATH',
        help='The file or directory to parse')

    argp.add_argument(
        '--output', '-o', metavar='FILE',
        help='The output file. If not given, prints to standard output')

    argp.add_argument(
        '--trace-parser', action='store_true', dest='trace_parser',
        help='Print debug information from the parser')

    argp.add_argument(
        '-d', '--debug',
        help="Detailed debugging information",
        action="store_const", dest="loglevel", const=logging.DEBUG,
        default=logging.WARNING)
    argp.add_argument(
        '-v', '--verbose',
        help="Verbose output",
        action="store_const", dest="loglevel", const=logging.INFO)

    return argp