On 05/04/2014 07:10 PM, José Matos wrote:
On Saturday 03 May 2014 07:27:51 Benjamin Piwowarski wrote:
Yes, but it would be good not to use it, in order to support OS X systems more 
ancient than the current one - they are running python 2.5-2.6.

benjamin
python 2.7 was released on July of 2010. The next version of lyx will be 
available probably on 2016, late 2015 at best (taking into account the previous 
releases).

If we go with python 2.7 we will be able to support python 2 and python 3 with 
the same code base, using a python version version released more than 5 years 
ago. Doing this while retaining support for previous versions will be an harder 
work that will be thrown out in the next version.

My proposal is then to support both python 2.7 and 3.3+. For those that have 
python 3.1 and 3.2 (no one in his right mind should be using python 3.0) they 
will probably also have python 2.7 so our bases are covered there.

If there are, at that time, cases where 2.7 is not going to be available, then we can package Python ourselves with the binary, as we already do on Windows.

What's the reason to require 3.3+? (I'm not familiar with developments here.)

Richard

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