How to use the pywws.logger.setup_handler function in pywws

print(__usage__.strip(), file=sys.stderr)
        return 1
    # process options
    verbose = 0
    for o, a in opts:
        if o in ('-h', '--help'):
            print(__usage__.strip())
            return 0
        elif o in ('-v', '--verbose'):
            verbose += 1
    # check arguments
    if len(args) != 1:
        print('Error: 1 argument required\n', file=sys.stderr)
        print(__usage__.strip(), file=sys.stderr)
        return 2
    pywws.logger.setup_handler(verbose)
    data_dir = args[0]
    with pywws.storage.pywws_context(data_dir) as context:
        return process_data(context)