foo-snapshot / foo-diff convenience functions

[Joshua Root]

On 2016-10-21 01:42 , Lawrence Velázquez wrote:
>> On Oct 20, 2016, at 3:40 AM, René J.V. Bertin <rjvbertin at gmail.com> wrote:
>>
>>> On Wednesday October 19 2016 21:44:04 Ryan Schmidt wrote:
>>>
>>> No, that situation should not be common, nor indeed present at all.
>>
>> I'm not sure I agree. PortGroups are intended to take care of setting
>> up things for the ports that use them (like declaring a dependency in
>> such a way ports work with the main as well as the -devel port), and
>> even an official one like the github PG adds dependency info. Ditto
>> for the Python PG: you cannot (to my knowledge) include it just to
>> obtain the variables that provide the python paths without also
>> redefining the configure mechanism.
>>
>> You could claim that it should be uncommon that ports want only part
>> of the info a PG provides, but even that might not be relevant as
>> I think there are quite a few ports providing Python extensions but
>> that don't use Python's own configure/build/install mechanism (PyQt
>> and PyKDE come to mind).
>
> This is arguably a defect of python-1.0 that should be fixed in the
> portgroup.

No, it's just out of scope. The python portgroup is for installing with 
setup.py.

There is of course no reason why a different portgroup with a different 
purpose couldn't be created, and share code with this one behind the scenes.

- Josh