|
| 1 | +#!/usr/bin/env python3 |
| 2 | +""" |
| 3 | +Author : robert <robert@localhost> |
| 4 | +Date : 2020-09-01 |
| 5 | +Purpose: Rock the Casbah |
| 6 | +""" |
| 7 | + |
| 8 | +import argparse |
| 9 | + |
| 10 | + |
| 11 | +# -------------------------------------------------- |
| 12 | +def get_args(): |
| 13 | + """Get command-line arguments""" |
| 14 | + |
| 15 | + parser = argparse.ArgumentParser( |
| 16 | + description='Rock the Casbah', |
| 17 | + formatter_class=argparse.ArgumentDefaultsHelpFormatter) |
| 18 | + |
| 19 | + parser.add_argument('positional', |
| 20 | + metavar='str', |
| 21 | + help='A positional argument') |
| 22 | + |
| 23 | + parser.add_argument('-a', |
| 24 | + '--arg', |
| 25 | + help='A named string argument', |
| 26 | + metavar='str', |
| 27 | + type=str, |
| 28 | + default='') |
| 29 | + |
| 30 | + parser.add_argument('-i', |
| 31 | + '--int', |
| 32 | + help='A named integer argument', |
| 33 | + metavar='int', |
| 34 | + type=int, |
| 35 | + default=0) |
| 36 | + |
| 37 | + parser.add_argument('-f', |
| 38 | + '--file', |
| 39 | + help='A readable file', |
| 40 | + metavar='FILE', |
| 41 | + type=argparse.FileType('rt'), |
| 42 | + default=None) |
| 43 | + |
| 44 | + parser.add_argument('-o', |
| 45 | + '--on', |
| 46 | + help='A boolean flag', |
| 47 | + action='store_true') |
| 48 | + |
| 49 | + return parser.parse_args() |
| 50 | + |
| 51 | + |
| 52 | +# -------------------------------------------------- |
| 53 | +def main(): |
| 54 | + """Make a jazz noise here""" |
| 55 | + |
| 56 | + args = get_args() |
| 57 | + str_arg = args.arg |
| 58 | + int_arg = args.int |
| 59 | + file_arg = args.file |
| 60 | + flag_arg = args.on |
| 61 | + pos_arg = args.positional |
| 62 | + |
| 63 | + print(f'str_arg = "{str_arg}"') |
| 64 | + print(f'int_arg = "{int_arg}"') |
| 65 | + print('file_arg = "{}"'.format(file_arg.name if file_arg else '')) |
| 66 | + print(f'flag_arg = "{flag_arg}"') |
| 67 | + print(f'positional = "{pos_arg}"') |
| 68 | + |
| 69 | + |
| 70 | +# -------------------------------------------------- |
| 71 | +if __name__ == '__main__': |
| 72 | + main() |
0 commit comments