Defining Python class methods in C 
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/54352

python class in c / global calls
http://mail.python.org/pipermail/python-list/2002-August/160784.html

How to create a python class in C
http://mail.python.org/pipermail/python-list/2000-August/047158.html