Greg Ward has proposed to add his Optik module to the Python library.
Optik is a parser for command line options with the features described here:
If you have a competitive library, or suggestions for changes to Optik, please forward your comments to python-dev mailing list (firstname.lastname@example.org). If a long-running conversation ensues, you may need to join the list to participate. Discussions in comp.lang.python will not be considered unless you at least forward a reference to python-dev. If you propose a competitor to Optik, please describe how it compares to the feature list described above.