How to use the pyhanlp.HANLP_JAR_VERSION function in pyhanlp

server_parser = task_parser.add_parser(name='serve', help='start http server',
                                           description='A http server for HanLP')
    server_parser.add_argument('--port', type=int, default=8765)
    update_parser = task_parser.add_parser(name='update', help='update jar and data of HanLP')

    def add_args(p):
        p.add_argument("--config", default=PATH_CONFIG,
                       help='path to hanlp.properties')
        # p.add_argument("--action", dest="action", default='predict',
        #                help='Which action (train, test, predict)?')

    add_args(segment_parser)
    add_args(parse_parser)

    if '-v' in sys.argv or '--version' in sys.argv:
        print('jar  {}: {}'.format(HANLP_JAR_VERSION, HANLP_JAR_PATH))
        data_version = hanlp_installed_data_version()
        print('data {}: {}'.format(data_version if data_version else '自定义', HANLP_DATA_PATH))
        print('config    : {}'.format(os.path.join(STATIC_ROOT, 'hanlp.properties')))
        exit(0)

    args = arg_parser.parse_args()

    def eprint(*args, **kwargs):
        print(*args, file=sys.stderr, **kwargs)

    def die(msg):
        eprint(msg)
        exit(1)

    if hasattr(args, 'config') and args.config:
        if os.path.isfile(args.config):

def main():
    if len(sys.argv) == 1:
        sys.argv.append('--help')

    arg_parser = argparse.ArgumentParser(description='HanLP: Han Language Processing v{}'.format(HANLP_JAR_VERSION))
    arg_parser.add_argument('-v', '--version', required=False, action='store_true',
                            help='show installed versions of HanLP')
    task_parser = arg_parser.add_subparsers(dest="task", help='which task to perform?')
    segment_parser = task_parser.add_parser(name='segment', help='word segmentation')
    tag_parser = segment_parser.add_mutually_exclusive_group(required=False)
    tag_parser.add_argument('--tag', dest='tag', action='store_true', help='show part-of-speech tags')
    tag_parser.add_argument('--no-tag', dest='tag', action='store_false', help='don\'t show part-of-speech tags')
    segment_parser.set_defaults(tag=True)
    segment_parser.add_argument('-a', '--algorithm', type=str, default='viterbi',
                                help='algorithm of segmentation e.g. perceptron')
    parse_parser = task_parser.add_parser(name='parse', help='dependency parsing')
    server_parser = task_parser.add_parser(name='serve', help='start http server',
                                           description='A http server for HanLP')
    server_parser.add_argument('--port', type=int, default=8765)
    update_parser = task_parser.add_parser(name='update', help='update jar and data of HanLP')