Mutually exclusive options with argparse.

[Lee Congdon]

Does a mutually exclusive group, as described in "Mutual exclusion" at
https://docs.python.org/3/library/argparse.html meet your needs?

On Wed, Sep 1, 2021 at 9:48 AM hongy... at gmail.com <hongyi.zhao at gmail.com>
wrote:

> See the following code snippets [1] for implementation of the exclusive
> options with argparse:
>
> def query_builder(args):
>     if args.r and args.s:
>         sys.exit(Term.FAIL + 'Only one of -re and -sql should be set' +
> Term.ENDC)
>     sum_status = sum(1 for x in [args.failure, args.code != -1] if x)
>     if sum_status > 1:
>         sys.exit(Term.FAIL + ('Only one of --failure and --code has to be
> set') + Term.ENDC)
>
> [1]
> https://github.com/hongyi-zhao/recent2/blob/5486afbd56a6b06bb149a3ea969fb33d9d8b288f/recent2.py#L391
>
> It seems that the above method is awkward, but I'm out of idea to work out
> more graceful solutions. Any comment/suggestion/enhancement will be highly
> appreciated.
>
> Regards,
> HY
> --
> https://mail.python.org/mailman/listinfo/python-list
>


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