问题
I wish to wrap an existing C (pure C that is. No C++) library into Python so that I can call it from Python scripts. Which approach among the various available (C Api, SWIG etc.) would be the most suitable?
回答1:
go with Ctypes, it is part of standard distribution and works very well. basically you can wrap C structures and types in python classes, as well as functions. Some types and functionality is already provided by library.
ctypes
couple caveats though: passing triple pointers to C routines is not obvious (if you have to), and I could not get it to work with static libraries on Linux, DLL and shared objects are fine.
回答2:
SWIG is great for doing this. Here is a sample tutorial: http://www.swig.org/Doc1.3/Python.html.
回答3:
Since your code is "pure" C you might consider using Pyrex/Cython. This is not a voting issue and Cython has already been mentioned. I am just clarifying why it is a better choice for pure C.
来源：https://stackoverflow.com/questions/2144542/python-c-interoperability