config.py 文件源码

def main():
    parser = argparse.ArgumentParser()
    parser.add_argument('key', help='key name to be fetched ("." to fetch all)')
    parser.add_argument('conf', help='path to a config file')

    ns = parser.parse_args()

    try:
        val = fetch_value_from_file(ns.key, ns.conf)
    except KeyError:
        log('no such key: ' + ns.key)
        sys.exit(1)

    if isinstance(val, dict) or isinstance(val, list):
        print yaml.dump(val)
    else:
        print val