[Numpy-discussion] Adding a version system to the deprecation functions in numpy/lib/utils ?

Robert Kern robert.kern@gmail....
Fri Jun 20 15:25:14 CDT 2008


On Fri, Jun 20, 2008 at 15:17, Sebastian Haase <haase@msg.ucsf.edu> wrote:
> On Fri, Jun 20, 2008 at 9:37 AM, David Cournapeau
> <david@ar.media.kyoto-u.ac.jp> wrote:
>> Robert Kern wrote:
>>>
>>> They should deprecated for one minor version and then deleted.
>>
>> Ok, thanks for the clarification. Since I was not aware of this, and did
>> not see this information on the wiki, I added it in
>> http://scipy.org/scipy/numpy/wiki/ApiDeprecation. Let me know if there
>> is something I misunderstood from your remarks,
>>
> Hi David,
> you say:
> """For example, if a function is deprecated in numpy 1.1.0, it will
> remain so in all 1.1.x releases, but it can and should be removed in
> 1.2.0. """
>
> But what if, say, with version 1.1.2 we decide to change a given
> default argument. So you get the deprecation warning starting with
> 1.1.2.
> But now, if this happens to be the last version of 1.1.x. -- you say
> that already with the next version ( being 1.2.0 ) it would change
> without a deprecation warning given anymore !?

You missed this part (emphasis added): "Deprecation warnings should
exist for *one*full*minor*release*cycle* before the deprecated
features are removed."

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
 -- Umberto Eco


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