Then in your main mincrack.py :
args = parser.parse_args() if hasattr(args, "func"): args.func(args) else: parser.print_help() if == " main ": main() mincrack
def register_feature(subparsers): parser = subparsers.add_parser( "new_feature", help="Description of your new feature" ) parser.add_argument( "--option", type=str, required=True, help="Some option your feature needs" ) parser.set_defaults(func=run_new_feature) Then in your main mincrack