[Python-Dev] Merging Jython code into standard Lib [was Re: Python Language Summit at PyCon: Agenda]

Chris Jerdonek chris.jerdonek at gmail.com
Thu Feb 28 20:24:21 CET 2013

On Thu, Feb 28, 2013 at 1:30 AM, Antoine Pitrou <solipsis at pitrou.net> wrote:
> Le Wed, 27 Feb 2013 11:33:30 -0800,
> "fwierzbicki at gmail.com" <fwierzbicki at gmail.com> a écrit :
>> There are a couple of spots that might be more controversial. For
>> example, Jython has a file Lib/zlib.py that implements zlib in terms
>> of the existing Java support for zlib. I do wonder if such a file is
>> acceptable in CPython's Lib since its 195 lines of code would be
>> entirely skipped by CPython.
> That's a bit annoying. How will we know that the code still works, even
> though our buildbots don't exercise it?
> Also, what happens if the code doesn't work anymore?

Agreed on those problems.  Would it be possible to use a design
pattern in these cases so the Jython-only code wouldn't need to be
part of the CPython repo?  A naive example would be refactoring zlib
to allow subclassing in the way that Jython needs, and then Jython
could subclass in its own repo.  CPython could have tests to check the
subclass "contract" that Jython needs.


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