[issue10984] argparse add_mutually_exclusive_group should accept existing arguments to register conflicts

[Michael Twomey]

Michael Twomey added the comment:

I've picked up on this as part of the EP 2013 sprints.

I've attached a patch which implements the behaviour described in the comments. It doesn't break any existing functionality but the help generated by argparse is definitely not quite right.

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keywords: +patch
nosy: +micktwomey
Added file: http://bugs.python.org/file30818/args_in_multiple_mutually_exclusive_groups.patch

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