[Python-Dev] cpython (3.3): Issue #17576: Deprecation warning emitted now when __int__() or __index__()
Georg Brandl
g.brandl at gmx.net
Fri Dec 20 09:00:04 CET 2013
Am 12.12.2013 16:22, schrieb R. David Murray:
> On Thu, 12 Dec 2013 10:54:05 +0200, Serhiy Storchaka <storchaka at gmail.com> wrote:
>> 12.12.13 00:24, Antoine Pitrou ÐапÐÑав(ла):
>> > On Wed, 11 Dec 2013 20:28:19 +0100 (CET)
>> > serhiy.storchaka <python-checkins at python.org> wrote:
>> >> http://hg.python.org/cpython/rev/618cca51a27e
>> >> changeset: 87899:618cca51a27e
>> >> branch: 3.3
>> >> parent: 87896:46186736e91c
>> >> user: Serhiy Storchaka <storchaka at gmail.com>
>> >> date: Wed Dec 11 21:07:54 2013 +0200
>> >> summary:
>> >> Issue #17576: Deprecation warning emitted now when __int__() or __index__()
>> >> return not int instance. Introduced _PyLong_FromNbInt() and refactored
>> >> PyLong_As*() functions.
>> >
>> > Is it ok to add deprecation warnings in bugfix versions?
>>
>> Some clarifications. This is a precursor of a bugfix. I split a patch on
>> two parts for simplicity. First part doesn't change behavior besides
>> introducing warnings. Second part is simple and will change behavior (I
>> still doubt how many behavior it should change).
>
> That doesn't address the question of why the deprecation is added
> to a bug-fix release. Normal policy is deprecate in the current
> feature release and make the change in the next feature release.
>
> Is there a reason why the normal deprecation process should not be
> followed in this case? It being a not-likely-to-be-encountered
> in-the-real-world bug could be one such reason, if the release
> managers agree.
I don't think it's useful to add the warning (although it won't break
anything). Deprecations should be treated like features: their status
should only change in a minor (3.x.0) release.
Now the second part (changing behavior) also sounds potentially
dangerous :)
Georg
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