Hi Boxiang. You're far better off doing it with cffi and writing part of it in C (pure C) or Python. Cffi on pypy is quite well optimized and should not really present a performance overhead.
On Sun, Jun 21, 2015 at 1:33 AM, Boxiang Sun <daetalu...@gmail.com> wrote: > Hi all, > > I am a newbie in PyPy. But with some experience in CPython, and also > OpenCV-Python binding and OpenCV-Julia binding.I want to bring OpenCV into > PyPy. Then use PyPy to do my research. > > First, I read some PyPy and RPython document in recent days. I want to wrap > OpenCV in PyPy in "low level". Like OpenCV-CPython, it use Python-C API and > Numpy C-API to wrap function and class. Then write a autowrap script to wrap > it. In this way, OpenCV-CPython can communicate with NumPy array type. > > If my understanding is correct. NumPy-PyPy wrote in RPython, wrap the > corresponding C and Fortran function. > > I want wrap OpenCV in PyPy just like OpenCV-CPython. Let NumPy ndarray hold > the image matrix. But RPython documentation said "It(Write with RPython) > cannot be used by any 3rd-party module". Does it mean if wrap OpenCV in PyPy > with cffi. OpenCV-PyPy could not use ndarray? > > I plan to use RPython, but RPython documentation said it need rebuild PyPy > it self, and the module write in RPython will become a built-in module. > Rebuild PyPy seems unacceptable in OpenCV-PyPy. > > Is there has a way to wrap OpenCV in PyPy that could communicate with > NumPy-PyPy and without rebuild PyPy it self? > > Please correct me if my understanding was wrong. > > Regards, > Sun > > _______________________________________________ > pypy-dev mailing list > pypy-dev@python.org > https://mail.python.org/mailman/listinfo/pypy-dev > _______________________________________________ pypy-dev mailing list pypy-dev@python.org https://mail.python.org/mailman/listinfo/pypy-dev
