Denver Coneybeare <denver.coneybe...@gmail.com> added the comment: For kicks, I just took a look at this old, forgotten issue. I agree with the submitter that add_argument() should fail if nargs and metavar do not match, instead of having format_help() raise the exception later on.
I've attached a patch (issue9348_patch_v01.txt) with a proposed fix and associated test cases. The drawback of my approach is that if a custom HelpFormatter is used which has different semantics for metavar it could cause add_argument() to incorrectly reject the metavar value. I'm not sure how common that is though. ---------- nosy: +denversc Added file: http://bugs.python.org/file21294/issue9348_patch_v01.txt _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue9348> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
