[Python-Dev] PEP: Ordered Class Definition Namespace

[Raymond Hettinger]

> On Jun 7, 2016, at 10:51 AM, Eric Snow <ericsnowcurrently at gmail.com> wrote:
> 
> This PEP changes the default class definition namespace to ``OrderedDict``.

I think this would be a nice improvement.

> Furthermore, the order in which the attributes are defined in each class
> body will now be preserved in ``type.__definition_order__``.  This allows
> introspection of the original definition order, e.g. by class decorators.

I'm unclear on why this would be needed.  Wouldn't the OrderedDict be sufficient for preserving definition order?


Raymond