[Python-Dev] Downloads page: Which version of Python should be listed first?

Terry Reedy tjreedy at udel.edu
Sat Dec 15 01:52:28 CET 2012

On 12/13/2012 4:14 PM, Ross Lagerwall wrote:
> On Fri, Dec 14, 2012 at 07:57:52AM +1100, Chris Angelico wrote:
>> The default version shown on http://docs.python.org/ is now 3.3.0,
>> which I think is a Good Thing. However, http://python.org/download/
>> puts 2.7 first, and says:
>> """If you don't know which version to use, start with Python 2.7; more
>> existing third party software is compatible with Python 2 than Python
>> 3 right now."""
>> Firstly, is this still true? (I wouldn't have a clue.) And secondly,
>> would this be better worded as "one's better but the other's a good
>> fall-back"? Something like:
>> """Don't know which version to use? Python 3.3 is the recommended
>> version for new projects, but much existing software is compatible
>> with Python 2."""
> I would say listing 3.3 as the recommended version to use is a good
> thing, especially as distros like Ubuntu and Fedora transition to Python
> 3. It also makes sense, given that the docs default to 3.3.

 From the LibreOffice 4.0beta1 release notes


The bundled Python was upgraded from Python 2.6 to Python 3.3 (Michael 

Python extensions and macros may require some degree of re-work to work 
on the latest Python; see for example Porting to Python 3.

The last is a link to Lennart Regebro's book: http://python3porting.com/

Terry Jan Reedy

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