Design by Contract for Python

[A. Lloyd Flanagan]

Terence Way <terry at wayforward.net> wrote in message news:<mailman.1052896821.2209.python-list at python.org>...
> I'm interested in adding pre-conditions, post-conditions, invariant 
> assertions into Python code...  just like in Eiffel.
> 
> I'm putting together an implementation, more details here:
>      http://www.wayforward.net/pydbc/
> 

This python cookbook recipe seems relevant:
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/81790

Hope it helps.