Python 3 argparse boilerplate

cli-boilerplate.py

import os
import sys
import argparse
import logging

APPNAME_LOCK_FILE_NAME = "PY-BOILERPLATE"

def argparse_str2bool(v):
    """
    allows handy parsing of bool args for argparse
    https://stackoverflow.com/a/43357954/5006740
    :param v:
    :return:
    """

    if not isinstance(v, str):
        return v

    if v.lower() in ('yes', 'true', 't', 'y', '1'):
        return True
    elif v.lower() in ('no', 'false', 'f', 'n', '0'):
        return False
    else:
        raise argparse.ArgumentTypeError('Boolean value expected.')
        
def main():
    parser = argparse.ArgumentParser()
    subparsers = parser.add_subparsers()

    parser.add_argument('--example1', default=1)
    parser.add_argument('--example2', default=0)

    args = parser.parse_args()
    # looks like boilerplate :-)
    args.example1 = argparse_str2bool(args.example1)
    args.example2 = argparse_str2bool(args.example1)
    print(args)

if __name__ == "__main__":
    # WITH LOCK with locket
    # import locket
    # try:
    #     with locket.lock_file(f"/tmp/{APPNAME_LOCK_FILE_NAME}.lock", timeout=0):
    #         main()
    # except locket.LockError as e:
    #     logging.info('Script is already running')

    # WITHOUT LOCK:
    main()