CPython had one as an external module, but unfortunately it's no longer maintained as PyPy was supposed to supersede it: http://psyco.sourceforge.net/ http://ps

CPython had one as an external module, but unfortunately it's no longer maintained as PyPy was supposed to supersede it: http://psyco.sourceforge.net/ http://psyco.sourceforge.net/ It actually worked quite well, though was pretty memory hungry.