Omer Katz created PROTON-2095:
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Summary: Move away from SWIG to CFFI
Key: PROTON-2095
URL: https://issues.apache.org/jira/browse/PROTON-2095
Project: Qpid Proton
Issue Type: Wish
Components: python-binding
Affects Versions: proton-c-0.29.0, proton-c-future
Reporter: Omer Katz
Fix For: proton-c-future
SWIG is fine but we're not using it for anything other than exporting all of
proton-c's API as is.
Unfortunately SWIG only generates CPython extension bindings. This may be a
problem on PyPy where CPython extensions are either slow or simply won't
compile.
Unlike SWIG, CFFI is portable both on CPython and PyPy.
It also satisfies the same requirements as SWIG currently does.
In addition, calls to CFFI simply release the GIL which will help parallelizing
Python applications using threads.
By using CFFI we can also get rid of all of our setup.py code and simply use it
to build the extension. We will also no longer have problems building wheels.
The newest version of CFFI supports pkg-config so we can use that to find
proton-c easily.
I'm willing to help with the refactor but I'll need a mentor since I'm not
familiar with the code base.
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