Just completed writing my first ever C-based Python extension. MUUUUUCH better experience than writing the same exact extension, but for PHP. Like, I'm in wholly different universe.
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CFFI is the easiest and nicest way to interface with C from Python. Strongly recommend that over CPython extensions unless you have special requirements like needing to do work without the CPython GIL held. It's probably a bad choice of language when that's relevant though.
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How well does CFFI work with ABIs that use linked lists provided by queue(3)?
Directly related example here:
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It fully understands C89 macros so that should all work fine without even needing any wrapper code.
You can easily make C wrapper code without needing to deal with building it, etc. yourself but you usually don't need to do that.
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CFFI is similar to the ctypes module for simple cases but it has a lot of conveniences and what makes it a lot different is that it understands a large subset of C to make the bindings for you. You just write a bit of Python code. Usually don't need to actually write any C code.
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I think after I've hit a few crucial milestones at ${DAYJOB}, I'll revisit CFFI. Since the module's already written at this point, there's not much need to redo the work.
Thanks for the suggestion! I'll take a deeper look into CFFI for our next modules.
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