backup.py 文件源码

def main():
    parser = argparse.ArgumentParser(
        description="Backup files preserving metadata")
    parser.add_argument("-n", "--dry-run", dest="dryrun", action="store_true",
                        help="dry run, do not perform actual action")
    parser.add_argument("-q", "--quiet", dest="quiet", action="store_true",
                        help="be quiet")
    parser.add_argument("-d", "--debug", dest="debug", action="store_true",
                        help="show verbose debug information")
    parser.add_argument("config", help="configuration file")
    args = parser.parse_args()

    if args.quiet and not args.dryrun:
        logging.basicConfig(level=logging.WARNING)
    if args.debug:
        logging.basicConfig(level=logging.DEBUG)

    now = datetime.now()
    logger.info("=== %s @ %s ===" % (" ".join(sys.argv), now.isoformat()))
    if args.dryrun:
        logger.info("*** DRY RUN ***")
    backup = Backup(args.config, dryrun=args.dryrun, debug=args.debug)
    backup.backup()
    backup.cleanup()
    logger.info("=== Backup Finished! @ %s ===" % datetime.now().isoformat())