python2-simplegeneric 0.8.1 Python module for simple generic functions
The simplegeneric module lets you define simple single-dispatch generic functions, akin to Python’s built-in generic functions like
iter() and so on. However, instead of using specially-named methods, these generic functions use simple lookup tables, akin to those used by e.g.
pickle.dump() and other generic functions found in the Python standard library.