[Python-3000] Revised PEP 3119 (Abstract Base Classes)

Guido van Rossum guido at python.org
Mon May 14 17:22:48 CEST 2007

On 5/14/07, Paul Moore <p.f.moore at gmail.com> wrote:
> > ABCs vs. Duck Typing
> This remains my key concern. The PEP nicely addresses the issue as far
> as core Python is concerned, but I'd be happier with some style
> recommendations for 3rd party frameworks clarifying that they should
> also avoid taking the "stick" approach. OTOH, we've had interface
> implementations, and heavy users of them (e.g. zope.interface and
> Twisted) for ages now, and the world hasn't ended, so I guess there's
> no reason to assume that people won't use ABCs sensibly, too.

I'm not sure what language you would specifically like to see added to
the PEP. "Recommendation for 3rd party frameworks: please don't use
the stick approach." sounds a little strange. What's the point you're
trying to get across?

--Guido van Rossum (home page: http://www.python.org/~guido/)

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