If I were to guess, not having seen PyPy's: I'd like something about 100x smaller than PyPy seems to be, and I don't want a mandatory up-front translation "build" step.
I really, really want to do Python client-side (or rather compile Python to Javascript). Javascript is just so painful for me. Being able to test Python code as Python would be the major reason.
If I were to guess, not having seen PyPy's: I'd like something about 100x smaller than PyPy seems to be, and I don't want a mandatory up-front translation "build" step.