Porting code to Python 3
Since Python 3 introduces some incompatibilities, a porting strategy is needed to be able to run code on Python 3, and to have a single codebase that can be made to work under Python 2 and Python 3 using automatic conversion.
There are two separate issues here:
When finished, these two documents are meant to be a comprehensive guide to porting and maintaining Python 2/3 code. They are authored here in the Wiki and will be included in the official Python documentation when in a good shape.
Contact
Help with and discussion of porting is available on the python-porting mailing list.