paul j3 added the comment:
The attached file shows how the default argument groups could be redefined,
using 'required' as the criteria.
I've implemented it as a method that is added to a subclass of ArgumentParser.
This method is invoked after arguments are defined, prior to generating the
help.
The help looks something like this:
usage: alt_grouping.py [-h] [-f FOO] -g GOO pos [baz]
required:
pos required positional
-g GOO, --goo GOO required optional
optional:
-h, --help show this help message and exit
-f FOO, --foo FOO optional
baz optional positional
I was thinking of implementing this as a formatter subclass, but given the way
the help is assembled, invoking this method from the parser is simpler.
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Added file: http://bugs.python.org/file34065/alt_grouping.py
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<http://bugs.python.org/issue9694>
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