Babel3 is a fork of Babel that is compatible with Python 2.6/2.7 and 3.2/3.3 - using the same python source code without conversion.
Babel is a Python library that provides an integrated collection of utilities that assist with internationalizing and localizing Python applications (in particular web-based applications).
Details can be found in the HTML files in the doc folder.
For more information please visit the Babel web site.
Continuous integration testing for this fork has been set up, see the results here.