Python: argparse optional arguments without dashes

Question

I would like to have the following syntax:

python utility.py file1 FILE1 file2 FILE2

where file1 and file2 are optional arguments. It is si

Answer 1

Had same problem. My workaround is:

lastarg = sys.argv[-1]
if len(sys.argv) > 1 and lastarg[0] != '-':
    sys.argv[-1] = '-file'
    sys.argv.append(lastarg)

argparser = argparse.ArgumentParser()
argparser.add_argument('-d', action='store_true')
argparser.add_argument('-nrv', action='store_true')
argparser.add_argument('-file', type=str, default='')
args = argparser.parse_args()