Bug#935927: Suggests instead of comment of Python2 only packages? (Was: debian-science: migrate all python dependencies to their python3 variant)

[Andreas Tille]

Hi Sandro,

On Fri, Sep 27, 2019 at 11:36:17AM -0400, Sandro Tosi wrote:
> 
> i'm not very familiar on how people uses this tasks packages, but if
> (say) 90% of the python modules are python3-only, how can you use that
> 10% that's python2 only? you cant write code unless it's very
> specialized to that specific module and uses *none* of the py3k-only
> packages; most likely that module will get removed if there is no py3k
> support or if there is, we're gonna remove the py2 package anyway.
> 
> the reason i left them as comment is for the science team to
> "remember" they used to be there and decide at a later time what to
> do: is the package still in Debian and been ported to py3k? add it
> back. was it removed? remove the commented line.

I actually also was concerned about the need to remember those packages.
If a package is only Suggests than it shows up on the Blends tasks pages
- if it is commented out it is not.  Unfortunately maintainers do not
read the code of the tasks pages frequently. :-(
 
> >  If the packages are commented out they become absolutely
> > invisible while per policy suggested packages do not need to exist and
> > thus the metapackages would not block a removal of the packages
> > themselves.
> 
> the way we're tracking the removal (via
> http://sandrotosi.me/debian/py2removal/index.html) considers also the
> Suggests fields as a rdeps. Also i dont see anything about not being
> avaible as a valid state in
> https://www.debian.org/doc/debian-policy/ch-relationships.html#binary-dependencies-depends-recommends-suggests-enhances-pre-depends
> for suggests

OK, so I just kept your changes since I think this contributes better
to the Python2 removal.
 
> > Since you felt a need to change this in Git I guess you are interested
> > in a soonish upload.
> 
> indeed i am :)

Just uploaded.
 
> >  So if we have some consensus about the item above
> > I'll upload to get the changes applied.
> 
> i gave you my opinion, but i'm happy with whatever the team comes up
> about it, if that means we can upload soon :)

No further comments from the team - upload done.

Thanks a lot for your contribution

     Andreas. 

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