paul j3 <ajipa...@gmail.com> added the comment:
https://bugs.python.org/issue13280, argparse should use the new Formatter class Raymond Hettinger argued against making such a switch. However there may be some value in allowing its use in parallel with the '%' style of formatting. That is, if the 'help' string has '%(...)' use the '%' formatting, if it has '{}' compatible formats use the '.format' expression. I think that can be done transparently; but I haven't tested it. The reason I bring it up here, is that I think `.format' can provide the functionality this issue is asking for. If I define an Action like: a1 = parser.add_argument('--foo', '-f', default='foobar'. help='help for {dest} or {option_strings[0]}, default is {default}' Then: a1.help.format(**vars(a1)) produces: 'help for foo or --foo, default is foobar' So if there is another reason to add new style formatting to help lines, it's worth keeping this issue in mind. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue34744> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
