[docs] [issue13540] Document the Action API in argparse

Terry J. Reedy report at bugs.python.org
Mon Dec 12 23:58:24 CET 2011

Terry J. Reedy <tjreedy at udel.edu> added the comment:

The doc specified the Action API as the interface inherited from argparse.Action plus the addition of a custom __call__ method with 4 params (5 with self) as described. That seems mostly adequate to me, unless there is something missing in the parameter descriptions.

I agree that it should be stated if one should pass the class rather than an instance thereof. (But classes are objects, so that is not a 'contradiction'.) If the example is in error, it should be fixed.

nosy: +terry.reedy

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