I've just uploaded the first public release of mwlib to python's package index:
mwlib provides a library for parsing mediawiki articles. mwlib is BSD licensed. It is currently aimed at
developers, who have a need to somehow handle mediawiki articles.
More Information can be found here: http://code.pediapress.com
The pypi entry is here: http://pypi.python.org/pypi/mwlib/