parameters - Python: don't display 'choices' with argparse -


with argparse, have following line:

parser.add_argument("-p", "--parameter", type=str, default=none, nargs='+',                         help="some option",                         choices=allvalues.keys()                         )

the resulting help message shows values in allvalues:

-p {a ,b ,c , d, e, f, g, h, i, l, m; ,b ,c , d, e, f, g, h, i, l, m} [{a ,b ,c , d, e, f, g, h, i, l, m} ...], --parameter {a ,b ,c , d, e, f, g, h, i, l, m; ,b ,c , d, e, f, g, h, i, l, m} [{a ,b ,c , d, e, f, g, h, i, l, m; ,b ,c , d, e, f, g, h, i, l, m} ...] option

can remove {a ,b ,c , d, e, f, g, h, i, l, m; ,b ,c , d, e, f, g, h, i, l, m} above , just display name of parameter , help message?

use metavar argument::

parser.add_argument("-p", "--parameter", type=str, default=none, nargs='+',                     help="some option",                     choices=allvalues.keys(),                     metavar='parameter'                     )

this give::

-p parameter, --parameter parameter option

if don't want show metavariable @ consider passing '' metavar. otherwise, believe have create own custom formatter classes , pass argumentparser.


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