pycco

Pycco is a “quick-and-dirty, hundred-line-long, literate-programming-style documentation generator.”

You can see for yourself the autogenerate doc.

It is a python port from docco (the original), rocco (the ruby one) and shocco (the shell one).

(via Ryan Tomayko, author of rocco and shocco)

(was previously know as ‘pocco’)