paul j3 <ajipa...@gmail.com> added the comment:
This is has been requested various times on StackOverflow, and possibly here
(I'd have to do a search).
The closest thing to making a compact action_invocation is to set the metavar
to '', and even thing we get a space, eg.
-f , --foo Help text
This repeat has been a part of argparse from the beginning, so I can't see
changing the default behavior. But we could add a HelpFormatter subclass that
changes one (or two methods) such as _format_action_invocation. Subclassing
the formatter is the accepted way of adding help features. I, and possibly
others, must have suggested such a change on SO.
Of course people can use such a subclass without it being part of the standard
module.
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<https://bugs.python.org/issue45110>
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