I mentioned mysql-connector as an example of a complex enough library that runs with gevent via monkey patching (in reply to "gevent only solves the most simple

I mentioned mysql-connector as an example of a complex enough library that runs with gevent via monkey patching (in reply to "gevent only solves the most simple conversions by monkey patching", which is wrong). Have you tried gevent-MySQL? It's written in Cython and as far as I know is fast.