Martin v. Löwis schrieb: >> As said before, PyOpenGL is an example of an extension that moved from C >> code to Python/ctypes, luckily we don't use it, but what if the >> maintainers of MySQL-Python or cx_Oracle decide to move to ctypes. >> Having the ctypes extension in the stdlib doesn't imply it runs on any >> platform where python runs. Extension writers should keep this in mind >> when they decide to use ctypes. They should document, that their >> extension depends on ctypes and therefore doesn't run on platforms where >> ctypes doesn't work. > > Plus, even if ctypes works, the code might be incorrect, because they > had been assuming structure layouts and symbolic constants that have > just a different definition on some other platform, causing the > extension module to crash. > > Writing portable ctypes modules is really hard - significantly harder > than writing portable C code (although writing non-portable ctypes > code is apparently easier than writing non-portable C code).
I would say that writing portable C code is hard as well, aren't there just more tools that help? Thomas _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
