Re: [gentoo-user] how to update python choice

[allan gottlieb <gottlieb@nyu.edu>]

On Thu, Jul 26 2018, Neil Bothwick wrote:

> On Wed, 25 Jul 2018 23:23:18 -0400, allan gottlieb wrote:
>
>> On Thu, Jul 26 2018, Bill Kenworthy wrote:
>> 
>> > On 26/07/18 09:10, allan gottlieb wrote:  
>> >> I am still using python 3.4, i.e.
>> >>
>> >>   sh-4.4# eselect python show
>> >>   python3.4
>> >>   sh-4.4# 
>> >>
>> >>   sh-4.4# eselect python list
>> >>   Available Python interpreters, in order of preference:
>> >>     [1]   python3.4
>> >>     [2]   python3.6 (fallback)
>> >>     [3]   python3.5 (fallback)
>> >>     [4]   python2.7 (fallback)
>> >>   sh-4.4# 
>> >>   
>> >> I realize I should have updated previously.
>> >>
>> >> Is a python update as simple as
>> >>   emerge --update --changed-use --with-bdeps=n @world
>> >>   eselect python set python3.6
>> >>   emerge --update --changed-use --with-bdeps=n @world
>> >>
>> >> I have no custom python scripts on either of my systems.
>> >>
>> >> thanks in advance,
>> >> allan
>> >>  
>> >
>> >
>> > Hi, no problems doing it except because of the large number of
>> > packages look forward to hours of compiling (24hrs on my surface
>> > pro4).  Got a few other systems to do which is going to take awhile.
>> >
>> > BillK  
>> 
>> Thank you, that is just what I needed to know.
>
> If the packages were already built with python_3.6 in PYTHON_TARGETS,
> there should be no rebuilding. It is the change on PYTHON_TARGETS that
> triggers the rebuild, eselect just chooses from one of the available
> targets AIUI.

Thanks for the clarification.
allan