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

[Steven Bethard]

Steven Bethard <steven.bethard at gmail.com> added the comment:

I'm definitely open to providing such functionality. I assume you're imagining something like:

parser = argparse.ArgumentParser()
a_action = parser.add_argument('-a')
b_action = parser.add_argument('-b')
c_action = parser.add_argument('-c')
d_action = parser.add_argument('-d')
parser.add_mutually_exclusive_group(a_action, c_action)
parser.add_mutually_exclusive_group(a_action, d_action)
...

If you can supply a patch, I'll take a look at it.

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type: behavior -> feature request
versions:  -Python 2.7, Python 3.1, Python 3.2

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<http://bugs.python.org/issue10984>
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