Install appdotnet from https://github.com/simondlr/Python-App.net-API-Wrapper:
$ git clone git://github.com/simondlr/Python-App.net-API-Wrapper.git
$ sudo setup.py install
Now get an access token via Jonathan Duerig's DevLite and copy it into config.cfg (You'll know where)
That's it. You're ready to go.
$ ./pattirc.py
You start in "normal mode". You can scroll through your buffer with j and k and change buffers with h and l.
Press : to go into command mode. You can now enter a command and press enter.
Currently supported commands:
q: Quit pattirc
Press i to enter message mode. type a message and press enter. This message will be sent to the currently selected channel.