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Bug#968508: blender-data: Please only recommend blender instead of python3



Quoting Elrond (2020-08-16 17:16:26)
> Package: blender-data
> Version: 2.83.3+dfsg-1
> Severity: wishlist
> 
> Hi,
> 
> Installing blender-data alone doesn't make much sense. It
> is most useful with the blender package.
> So, please:
>         Recommends: blender (= ${source:Version})
> Don't use "Depends", because that would introduce a
> circular dependency. Which is not good.

Package relations are directional.  Since blender-data cannot use 
blender for anything (data does not use apps - apps uses their data), it 
is correct for blender-data to not depend on or recommend blender.


> On the other hand, blender-data does not need to depend on python3. 
> Yes, there are some python scripts in there, but they do only make 
> sense together with blender.

If blender-data contains scripts which require Python3 to run, then it 
must declare either Depends or Recommends on python3.


> If you want to keep the python3 dep, please turn it into
> python3:any, and also into a Recommends. Recommends means
> "You really should install this. If you don't, expect
> missing functionality", which seems right then.

If those python3 scripts are not always used, then it makes sense to 
relax to only recommend python3.

Only if those python3 scripts are not really used other than as 
examples, they can instead be installed below 
/usr/share/doc/blender/examples and _then_ relax to only suggest 
python3.


 - Jonas

-- 
 * Jonas Smedegaard - idealist & Internet-arkitekt
 * Tlf.: +45 40843136  Website: http://dr.jones.dk/

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