On Wed, Aug 28, 2013 at 1:30 AM, Paul Colomiets <paul@xxxxxxxxxxxxxx> wrote: > You may implement ctypes backend for pypy and set errcheck attribute > to raise exception. I don't familiar with other ways to write bindings > for Pypy. cffi, which nnpy uses, is the best way to write C bindings that work in both CPython and PyPy. Tony, do you have particular reasons for not contributing to either pynanomsg or nnpy instead? Cheers, Dirkjan