import argparse

__prog__ = 'Articlix'
__desc__ = f'{__prog__} stages'
__vestion__ = '0.0.1'


def parse_args():
    parser = argparse.ArgumentParser(prog=__prog__,
                                     description=__desc__,
                                     add_help=False)
    parser.add_argument('-v', '--version', action='version',
                        version=f'%(prog)s {__vestion__}',
                        help="Show program's version number and exit.")
    parser.add_argument('-h', '--help', action='help',
                        default=argparse.SUPPRESS,
                        help='Show this help message and exit.')
    parser.add_argument('tasks', metavar='T', type=str,
                        nargs='+', help='Task to run')

    class UpperAction(argparse.Action):
        def __call__(self, parser, namespace, values, option_string=None):
            setattr(namespace, 'loglevel', values.upper())

    parser.add_argument('--loglevel', dest='loglevel', type=str,
                        default='INFO', action=UpperAction,
                        help='Set logging level (default: %(default)s).')
    return parser.parse_args()


if __name__ == '__main__':
    args = parse_args()
    print(args)