So... I may have broken down and gotten another pet.
In my defense, I'd been watching this cat outside for a few days. She didn't have a collar or microchip, nor did it seem she was being fed or taken care of, but she was extremely friendly and returned to my house every night for a small bowl of cat food that I left out.

Finally, I just gave her some flee medicine and let her come inside.
She's been wandering around the house and getting a feel for where she is, but having just introduced her, I'm not sure how my ball python will feel about all the new smells.

In your experience, will he get used to this?