Ganesh Pal schrieb am 01.09.2016 um 14:30: > On Thu, Sep 1, 2016 at 12:32 PM, dieter wrote: >> Ganesh Pal writes: >>> Iam pretty new to C Python extension , I was able to export few simple >>> modules to python and it look like the cool thing to do ... >> >> Maybe, it is a good idea to have a look at "cython". >> >> "cython" is a compiler. It translates Python code enhanced with >> special annotations into C. The annotations mostly tell the compiler >> that something ("object", "method", "function", ...) should be at "C" >> rather than "Python" level, thus avoiding much of Python's overhead >> and allows to do things possible in "C" but not in "Python". >> >> Developing safe "C" extensions for Python is difficult. You >> need some quite deep understanding of the Python-C interface >> and must be very careful to observe all requirements (especially >> those related to proper reference management). >> >> Developing "C" extensions with "cython" is much easier as >> "cython" hides many of the complexities and takes care of most >> requirements. > > Really appreciate the reply and your suggestion on trying to use "cython" > , but my whole idea of using "C" extension is to regular C codes . We > have bunch of C code that's already available and C -Python seems to suit > me better
>From your response it's not obvious whether you are aware that Cython also makes it substantially easier to *interface* CPython with external C code, in the same way that it makes it easy (but not necessary) to *avoid* writing C in the first place. So I thought I'd just mention that this is not a reason to rule it out as an excellent option. Stefan -- https://mail.python.org/mailman/listinfo/python-list