Matthijs Kooijman <matthijskooij...@gmail.com> added the comment:
One way to make the original example from Victor work, is to use the following
action class:
class ConvertChoices(argparse.Action):
"""
Argparse action that interprets the `choices` argument as a dict
mapping the user-specified choices values to the resulting option
values.
"""
def __init__(self, *args, choices, **kwargs):
super().__init__(*args, choices=choices.keys(), **kwargs)
self.mapping = choices
def __call__(self, parser, namespace, value, option_string=None):
setattr(namespace, self.dest, self.mapping[value])
----------
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue34188>
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