[Slackbuilds-users] Support for Python 3 in python-pillow?

[Philip Lacroix]

Hi Larry

> It may be best to create a second python3 package for python-pillow and
> possibly other python slackbuilds that support python3 to avoid file
> conflicts.

This makes sense.

If having separate packages is a safer option I may take care of that 
and submit python3-pillow, unless Brenton Earl prefers to do that (as he 
already maintains python-pillow). I'll wait a few days for his feedback.

Thank you
Philip


Am 13.12.2015 20:54 schrieb Larry Hajali:
> I've been on the fence about adding that auto-detection in my python
> slackbuilds.  Some people think that this should be an option set at 
> build
> time to add python3 support by using a variable.
> 
> Eg.
> 
> if ["${PYTHON3SUPPORT:-no}" == "yes" ]; then
> 
>   python3 setup.py install --root=$PKG
> 
> fi
> 
> 
> I'm not opposed to that, but I'm also not sure how to handle packages 
> that
> put files in /usr/bin directory (like python-pillow) for python2 and
> python3 scripts.  If python3 files are built after python2 files, then
> everything in /usr/bin/* will have a shebang with #!/usr/bin/python3.  
> I'm
> not sure that is a desired outcome.
> 
> It may be best to create a second python3 package for python-pillow and
> possibly other python slackbuilds that support python3 to avoid file
> conflicts.
> 
> Thanks,
> --Larry
> 
> On Sun, Dec 13, 2015 at 11:23 AM, Philip Lacroix <slackph at posteo.de> 
> wrote:
> 
>> Greetings
>> 
>> I wonder if something like the following test could be added to
>> python-pillow.SlackBuild, in order to automatically add support for 
>> Python3
>> if the latter is installed:
>> 
>>  python setup.py install --root=$PKG
>>> 
>>> + if $(python3 -c 'import sys' 2>/dev/null); then
>>> +  python3 setup.py install --root=$PKG
>>> + fi
>>> 
>> 
>> I've been using this test in my script for glances, after borrowing it
>> from Larry Hajali's script for psutil, and it seems to do its job 
>> nicely.
>> 
>> The reason for my suggestion is that I'm preparing a new SlackBuild 
>> that
>> will require both python3 and python-pillow. The software expects 
>> pillow to
>> support Python 3, but it doesn't, unless the script is manually 
>> edited. I
>> understand that Slackware-current, from which the python-pillow script 
>> was
>> taken, doesn't include Python 3, however SBo does, so it would be nice 
>> to
>> have it autodetected. :)
>> 
>> Best regards
>> Philip
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> 
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