Monday, August 22, 2011

Python Multi-Build for Python Extensions Packaging - Report 5

Hi everybody,

This is the 5th and the final report of my Google Summer of Code project for Debian,
Python Multi-Build for Python Extensions Packaging.

During the Google's Summer of Code 2011 period, I coded a tool to packaging Python extensions which can be built by distutils, autotools, cmake and scons. I finished tool for Python3.X (py3build), its CDBS files and working on integrating it with debhelper's sequencer and the tool for Python2.X (pybuild) and its BDS/DebHelper files. I will surely continue after GSoC finished and will continue improving the tool. The tool's git repository is here[1].

I'm a bit behind of my schedule. I finished all plugins for Python3.X except packaging module. Instead of that I worked on CDBS and DebHelper files. I finished CDBS files, also write a DebHelper but we decided to do DH file a different way. So I need to change it. I will port the tool to Python2.X.

In git repository there is contrib/ directory to contain CDBS and DebHelper files. CDBS files are in contrib/cdbs/ directory and debhelper files are in contrib/debhelper/ directory. I put original files if they exists (with .orig suffix) and modified files. I also created a new file for CDBS, called python-py3build.mk.in for handling all build systems. And modified python-distutils.mk.in and python-autotools.mk.in files. All they are in git repository.

I'm still working on DebHelper file. After that I'll work on pybuild. And surely testing all of them and if any bug or problem occurs I will fix it.

Also, I need to improve my build system detection algorithm. At first, I thought that if there is multiple build system matches then show which are usable and then exit but I realized that in CDBS and DebHelper I need one build system. So even if there is multiple matches, it should return something. I'm also working on that.

For now that's all. Thanks everybody. It is a pleasure to contribute to Debian and participating from Google's Summer of Code. I will be in touch with Debian Project as a contributor.

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