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<H1>[Mageia-dev] Python Packaging Policy</H1>
<B>Antoine Pitrou</B>
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TITLE="[Mageia-dev] Python Packaging Policy">solipsis at pitrou.net
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<I>Wed Jan 19 02:07:18 CET 2011</I>
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<PRE>On Wed, 19 Jan 2011 00:55:40 +0100
Michael scherer <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">misc at zarb.org</A>> wrote:
><i>
</I>><i> > The solution of generating bytecode at install time looks fine. I am
</I>><i> > not an RPM specialist though, but if you have non-RPM specific questions
</I>><i> > feel free to ask them, I'd be glad to answer.
</I>><i>
</I>><i> Well, that's not satisfying from a rpm pov, unfortunately.
</I>
Can you explain why it isn't? I'm sure other packages generate stuff at
install-time, right? Also, the list of files is well-known (it's
everything named "*.py" that goes somewhere inside /usr/lib/pythonXXX/).
><i> > What is the issue with "handling 2to3"? It's a developer tool and
</I>><i> > certainly shouldn't be invoked at install time if that's what you are
</I>><i> > asking. Generally, I don't think you (as a packager) have to invoke
</I>><i> > 2to3 manually at all. If 2to3 is part of the packaged software's build
</I>><i> > process, then their setup.py will probably invoke it automatically with
</I>><i> > the right options.
</I>><i>
</I>><i> I as more speaking of the transition from pyton 2 to python 3. I think the easiest
</I>><i> on a policy point of view is to handle this like 2 separate languages, but that mean twice the work.
</I>><i> And so we should at least try to do better ( not sure that we can, of course ).
</I>
Handling them as two separate languages looks indeed like the right
thing to do, IMO. In any case, as I said, you shouldn't be the one
wondering about 2to3. Upstream developers do, if that's the conversion
method they chose for their project.
I'm not sure about "twice the work": you don't need to track twice the
software releases (except for the interpreter itself), or twice the
upstream patches, etc.
Regards
Antoine.
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