I've released version 0.20 of pyelftools, with support for Python 3. Now pyelftools supports Python 2.6, 2.7 and 3.2 in a single code-base. The new version is also available on PyPI.

This was surprisingly painless for a project that has close to 6KLOC of Python code, probably because I planned for eventual Python 3 support from the start, and the minimal required version of Python 2 is 2.6, which is much more compatible with Python 3 than earlier versions in the 2.x line.

If you're curious, here's a direct link to the py3compat module which pyelftools uses for various compatibility issues between Python 2 and 3. It's partially based on the six library.

By far the hardest part of this port to Python 3 was porting the construct library on which pyelftools relies for the low-level binary stream parsing. I've forked the construct Github repository to perform the port - it's available here. After construct was ported, it took around 2 hours to port the rest of pyelftools. construct is also being distributed with pyelftools, so there are no actual external dependencies.


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