command_line_input.py

import argparse, shlex

def main():
    parser = argparse.ArgumentParser('My Command Line Program')
    parser.add_argument(
        '--debug',
        action='store_true',
        help='Print debug info'
    )
    subprasers = parser.add_subparsers(dest='command')
    create = subprasers.add_parser('create', help='Create a new Game object')
    create.add_argument('-n', '--name', nargs='+', required=True, help='Name of the game')
    create.add_argument('-i', '--ID', nargs='+', required=True, help='ID of the game')
    create.add_argument('-p', '--price', nargs='+', required=True, help='Minimum Price of the game')


    update = subprasers.add_parser('update', help='Update prices')
    update.add_argument('-a', '--autobuy', help = 'Wether to autobuy or not.')

    args = parser.parse_args(arg)
    if args.debug:
        print("debug: " + str(args))
    if args.command == 'create':
        print("Created game with name " + str(args.name) + " ID " + str(args.ID) + ", and min price " + str(args.price))
    elif args.command == 'update':
        if not args.autobuy:
            args.autobuy = False
        print('Updating. Autobuy is ' + str(args.autobuy))


if __name__ == '__main__':
    while True:
        arg = shlex.split(input())
        main()