On 04/20/2010 09:04 PM, Fred Drake wrote:
On Tue, Apr 20, 2010 at 2:58 PM, Christian Theune<c...@gocept.com>  wrote:
zope.testing uses the attribute '__bases__' to store the information what
the base layers are. __*__ are supposedly Python internal attributes.
Specifically __bases__ is known to be used to store information which base
classes a class has.


This sort of misdirection has, unfortunately, a long history in Zope 3
(and the various things that's become).  Witness __name__.  (There are
others, but most aren't *actually* used by Python implementations.)

Removing existing __*__ name ("underware") usage is probably
untenable, but I hope we can avoid extending our foolishness.

Yeah, I guess so: my impression of the OO structure after understanding what's going on was quite satisfied. It's just very misleading. :)


--
Christian Theune · c...@gocept.com
gocept gmbh & co. kg · forsterstraße 29 · 06112 halle (saale) · germany
http://gocept.com · tel +49 345 1229889 0 · fax +49 345 1229889 1
Zope and Plone consulting and development

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