On Class namespaces, calling methods

Aahz aahz at pythoncraft.com
Fri Apr 23 16:07:46 EDT 2010

In article <4bc120bd$0$8850$c3e8da3 at news.astraweb.com>,
Steven D'Aprano  <steve at REMOVE-THIS-cybersource.com.au> wrote:
>I can only think of two circumstances where old-style classes are 
>*wrong*: if you use multiple inheritance with a diamond diagram ("...now 
>you have THREE problems" *wink*), if you intend using descriptors such as 
>properties, or if you need __slots__. That's three circumstances: 
>multiple inheritance with a diamond diagram, descriptors, __slots__, and 
>__getattribute__. Four circumstances.
>Any other time, they're merely discouraged, and gone in Python 3.x.

Discouraged by some people.  I certainly encourage the use of old-style
classes unless there's a specific reason to use new-style classes.
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

"It is easier to optimize correct code than to correct optimized code."
--Bill Harlan

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