python argparse example

argparse.py

#!/usr/bin/env python3
# https://docs.python.org/3.9/library/argparse.html
import argparse

def parse_arguments():
    parser = argparse.ArgumentParser(description='Argument Parser Template')
    parser.add_argument('-b', '--basic', help='basic arg consuming option')
    parser.add_argument('-v', '--verbose', help='increase output verbosity, flag', action='store_true')
    parser.add_argument('-g', '--greedy', help='greedy narg=* arg', nargs='*')
    parser.add_argument('-c', '--choices', help='choices demonstration', choices=['list', 'of', 'choices'])
    parser.add_argument('-s', '--string', help='string coercion arg', type=str)
    parser.add_argument('-i', '--integer', help='integer coercion arg', type=int)
    parser.add_argument('-f', '--float', help='float coercion arg', type=float)
    parser.add_argument('-r', '--required', help='required example arg', required=True)
    return parser.parse_args()

def main(*args, **kwargs):
    print(*args, **kwargs)


if __name__ == '__main__':
    args = parse_arguments()
    if args.verbose:
        print('verbosity flag enabled')
    if args.basic:
        print(f'Basic arg is type: {type(args.basic)}')
    if args.greedy:
        print(args.greedy)
    if args.choices:
        print(f'Congratulations! You chose {args.choices}')
    if args.string:
        print(f'Your arg is a {type(args.string)}')
    if args.integer:
        print(f'Your arg is a {type(args.integer)}')
    if args.float:
        print(f'Your arg is a {type(args.float)}')

    main(args.basic, args.greedy, args.choices)