No, it isn't. PyPy code is very poorly commented and documented, there's a lot going on inside the same codebase. So far, it feels like the only people who hack

No, it isn't. PyPy code is very poorly commented and documented, there's a lot going on inside the same codebase. So far, it feels like the only people who hack it are the ones who wrote it. This needs to be sorted out before we see mass adoption.