I'd like to be able to use Python from a sketch. According to the Arduino website, one can use PySerial from a computer to talk with an Arduino via Python.

It looks like from that page you can also use various API's to execute Python directly on the Arduino. However, I'd like to know if you can execute Python directly from a sketch. It would be nice because then you could execute Python directly from a sketch, and not all of it would have to be written in Python.

If this is not possible, is there an easy way to execute Python on an Arduino? Looking at the various API's it was hard to determine exactly how to execute the .py scripts.