Currently distutils2 has two classes and one function to perform 2to3 conversion in the build_py and build_scripts commands.  The code is a bit messy and also lack tests, for example for the conversion of doctests in text files.  I’ve started revamping it so that it’s only one class that does the work, and I will also add many tests.

Benjamin: For Python 2.4 and 2.5, should the functionality just be unavailable or is there an official release of lib2to3 on PyPI?  I only found two2three, an old copy from the Subversion sandbox done by 3to2’s Joe Amenta, so I’m not sure I can be compatible with that (or if it’s even useful to try to convert 2.4 code to 3.x).