Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (48726fd) 96.48% compared to head (e435fc9) 96.49%.

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  Coverage   96.48%   96.49%           
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  Files          90       90           
  Lines        5866     5874    +8     
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+ Hits         5660     5668    +8     
  Misses        206      206           

Would it make more sense to create a mutually exclusive group and add the exclusive args to that?

https://docs.python.org/3/library/argparse.html#mutual-exclusion

I've changed the code to create a mutually exclusive group.

I think the data model of RequiredOptional is not ideal. Whether options are exclusive should be perpendicular to whether they are required or optional. Also, it would be possible to have multiple exclusive groups. Currently this is not reflected in the RequiredOptional.exclusive property. It only allows one group, and it is not clear whether this group is required or not.

Ideally, you would have something lilke this:

RequiredOptional(
    required=("foo", exclusive("user_id", "user_email"), exclusive("project_slug", "project_id")),
    optional=("bar", exclusive("cn", "filter"))
)

But adding these exclusive options to the CLI argument parser at least makes it functioning again, if not perfect.