Richard, 15.03.2011 16:16: > I am wondering, what is the best way to write a Python module as an > interface to a C++ class? Cython. http://cython.org Here are a couple of tutorials for your use case: http://docs.cython.org/src/userguide/wrapping_CPlusPlus.html http://docs.cython.org/src/tutorial/clibraries.html Stefan