====== argparse ======

임의의 타입 parsing 하기

예) bool 

<code python>
def str2bool(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.')
        
...
        
parser.add_argument("--nice", type=str2bool, nargs='?',
                        const=True, default=NICE,
                        help="Activate nice mode.")

...

script --nice
script --nice <bool>
</code>

bool 타입

command --feature  / command --no-feature 방식

<code python>
parser.add_argument('--feature', dest='feature', action='store_true')
parser.add_argument('--no-feature', dest='feature', action='store_false')
parser.set_defaults(feature=True)
</code>



  * https://stackoverflow.com/questions/15008758/parsing-boolean-values-with-argparse


===== GUI =====

  * https://github.com/chriskiehl/Gooey


===== 대체모듈 ======

  * https://pypi.org/project/python-decouple/

{{tag>config args argparse}}