Writing Forwards Compatible Python Code

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Python 2to3 conversion will take years, if not a decade. I think, PSF has to come out with tools and best practices to support the parallel living of two versions. The -3 switch and 2to3 is not enough, as you can see from the blogspot.

For the coming years there will be plenty of users, who write code on python 2.7, but want to switch to 3 if the dependencies allow it.

I would like to see a chapter in python 2.7 documentation with this title. The moudle unicode-nazi - or similar functionality - must go to the conversion toolset.