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Mon May 25 22:40:30 CEST 2015 · https://mail.python.org/pipermail/python-dev/2015-May/140179.html

On 5/25/2015 3:40 PM, Eric Snow wrote:
> On Mon, May 25, 2015 at 1:33 AM, Antoine Pitrou <solipsis at pitrou.net> wrote:
>> On Sat, 23 May 2015 20:14:56 -0700
>> Larry Hastings <larry at hastings.org> wrote:
>>> Yeah, I'm willing to grant the feature freeze exception, assuming he can
>>> find general approval from the community (and assuming he still has

To me, the message from Antoine, below, and Benjamin's second suggest a 
lack of 'general approval'.

>>> Guido's blessing).  I just wanted a little more sunlight on the topic,
>>> rather than rushing to check it in.
>>
>> Given the pain that has gone into making the patch segfault- and
>> reference leak-free, and given it adds a lot of complication in the
>> data types area, I'm frankly uneasy with having this land after the
>> feature freeze. It's a sure recipe to *add* instability rather than
>> remove it.
>
> Well, the exception for C OrderedDict itself is a separate matter.  I
> chose to be more public than I could have been about the last
> remaining bugs in the interest of getting them resolved a bit faster.
> At this point I wouldn't consider C OrderedDict to add a whole lot of
> risk to 3.5.

> That said, at this point landing it in 3.5 it doesn't matter to me
> much because my main motivator (__definition_order__) isn't landing in
> 3.5.  The fact that 3.6 is already open to new features eases the
> sting a bit.  I'd still prefer to land OrdereDict-by-default class
> definition namespaces in 3.5, which is dependent on C OrderedDict, but
> alone that isn't as important to me for 3.5 as
> cls.__definition_order__ was.
>
> Regardless, I know there were a few folks (e.g. Yury) that wanted to
> see C OrderedDict in 3.5 and there may be others that would really
> like OrderedDict-by-default in 3.5 (Nick?).  Since Larry already gave
> an exception,

Conditional on 'general approval of the community'.

 > I'd still be glad to land both in 3.5 if Yury (or
> others) wants to make that case.  The patches will be ready.

-- 
Terry Jan Reedy

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[Python-Dev] Preserving the definition order of class namespaces.