[Python-3000] iostack and Oh Oh (original) (raw)

Guido van Rossum guido at python.org
Fri Dec 1 20:25:50 CET 2006

On 12/1/06, Phillip J. Eby <pje at telecommunity.com> wrote:

At 10:19 AM 12/1/2006 -0800, Guido van Rossum wrote: >On 12/1/06, Fred L. Drake, Jr. <fdrake at acm.org> wrote: > > On Friday 01 December 2006 12:08, tomer filiba wrote: > > > i would still like to understand how object proxying (e.g., weakrefs, > > > RPyC), could work when all/most frameworks/libraries would be based on > > > ABCs. > > > > That's a realy problem. zope.interface works hard to deal with > proxies, but > > it probably only works with proxies based on zope.proxy. > >I think the proper solution is to make isinstance() overridable by the >instance.

It already is, and has been since Python 2.3, in large part to support zope-style proxying. It's also leveraged by my ProxyTypes package in the Cheeseshop, and by a few bits of code in Chandler.

I know (I should, since I wrote the code :-) but I think the solution could be much cleaner.

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

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