def _cli_parse(args):
    """
        python -m six_web 输出的帮助文档
    :param args: 参数输入
    :return:
    """
    from argparse import ArgumentParser
    parser = ArgumentParser(prog=args[0], usage=
        '%(prog)s [options] package.moudle:app', epilog=
        'Life is short, love python!', description=
        'Coding to change the world for better.')
    opt = parser.add_argument
    opt('-v', '--version', action='store_true', help='show version number')
    opt('-b', '--bind', metavar='ip:port', help=
        'bind address, default localhost:8080')
    opt('-s', '--server', metavar='SERVER', help='user SERVER as backend')
    opt('-C', '--param', metavar='NAME=VALUE', help='overwrite config value')
    opt('--debug', help='run server in debug mode')
    opt('--reload', help='auto reload on file changes')
    parser.parse_args()
