Use KMTTG in conjunction with PyTivo. It also has remote functions onscreen that will mock your remote, but you would need to see your Tivo screen as well.
Series 2 (PLS, sold)
TiVo HD 1TB (157 HD Hrs, PLS, "652")
Roamio! Oh, wait, Its Juliet!
OTA! OTA! OTA!
The TiVo Apocalypse begins on Sat 2013 Feb 16 00:00 GMT!