[Python-Dev] return type of __complex__

Georg Brandl g.brandl at gmx.net
Fri Oct 19 21:46:43 CEST 2012


On 10/19/2012 06:44 PM, Tres Seaver wrote:
> On 10/19/2012 11:56 AM, Benjamin Peterson wrote:
>> 2012/10/19 Tres Seaver <tseaver at palladion.com>:
>>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
>>>
>>> On 10/19/2012 11:26 AM, Benjamin Peterson wrote:
>>>> 2012/10/19 Antonio Cuni <anto.cuni at gmail.com>:
>>>>> indeed, you are right. So I suppose that in pypy we could just
>>>>> relax the check in cmath and be happy. Is there any chance that
>>>>> this will be changed in 2.7 and/or 3.x?
>>>>
>>>> Certainly 3.x, but not 2.7.
>>>
>>> Why not 2.7?  It is a perfectly-backward-compatible change:  no
>>> currenly-working code could possibly break if cmath's restriction
>>> was relaxed.
> 
>> It's a new feature.
> 
> That is an assertion;  I can dqually assert that the current over-strict
> typechecking is a bug, because it doesn't conform to the semandics of
> 'comples_new'.

Maybe, but an assertion made by the 2.7 release manager tends to be
the stronger one :)

Georg



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