[Python-3000] Discussions with no PEPs (original) (raw)

Barry Warsaw barry at python.org
Mon Mar 12 19:14:24 CET 2007

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On Mar 11, 2007, at 7:50 AM, Benji York wrote:

Greg Ewing wrote:

Barry Warsaw wrote:

We already have an established, community accepted implementation of interfaces, Really? Which one is that? I believe Barry was referring to zope.interface.

Correct. AFAIK, there is only one other competing, mature package
(but please correct me if I'm wrong!): PyProtocols. My impression is
that the latter is essentially a superset of the former and that the
latter is compatible with the former.

The question then becomes whether we really want to invent a third
way of doing interfaces in Python, or whether our time is better
spent selecting and promoting one of the existing, tried-and-true
packages. Perhaps it would be better for us to figure out how and if
the two packages can be integrated. If a third way is still
advocated, then I think it must have a fairly high barrier to
acceptance in order to push aside such long accepted libraries.

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