All these programs, Tivo Desktop, PyTivo, KMTTG. all just interact with the Tivo.
.TiVo files are simply .MPG files with an encryption layer. It can be removed with TivoDecode. KMTTG has it already with the program and is a function called decrypt.
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!