backup_node.py 文件源码

def parse_args(args):
    parser = argparse.ArgumentParser()

    group = parser.add_mutually_exclusive_group()
    group.add_argument('-v', '--verbose', help='Verbose (debug) logging',
                       action='store_const', const=logging.DEBUG,
                       dest='loglevel')
    group.add_argument('-q', '--quiet', help='Silent mode, only log warnings',
                       action='store_const', const=logging.WARN,
                       dest='loglevel')
    parser.add_argument("-s", '--skip', action='store_true',
                        dest='skip_errors',
                        help="Do not stop if one steps is failed")
    parser.add_argument("-e", '--callback',
                        help='Callback for backup file (backup path '
                        'passed as a 1st arg)')
    parser.add_argument(
        'backup_dir', help="Destination for all created files")
    parser.set_defaults(func=do_node_backup)

    return parser.parse_args(args)