Code
The source used to run an ex_code session is not meant to be set in stone. In fact, it tends to change with each performance, sometimes during the performance. Some time soon I will set up git so you can track the branches as they evolve. In the meantime here is a copy of the most recent code:
Requires Python 2.5+, CherryPy and Cheetah.
It's quite the roll-your-own situation right now, but I will put up some more detailed instructions when I get around to it.