[Numpy-discussion] dtype related deprecations

Ralf Gommers ralf.gommers@googlemail....
Sat Feb 4 10:07:41 CST 2012


On Wed, Dec 28, 2011 at 2:58 PM, Ralf Gommers
<ralf.gommers@googlemail.com>wrote:

> Hi,
>
> I'm having some trouble cleaning up tests to deal with these two
> deprecations:
>
> DeprecationWarning: Setting NumPy dtype names is deprecated, the dtype
> will become immutable in a future version
> DeprecationWarning: DType strings 'O4' and 'O8' are deprecated because
> they are platform specific. Use 'O' instead
>
> They seem fairly invasive, judged by the test noise in both numpy and
> scipy. Record arrays rely on setting dtype names. There are tests for
> picking and the buffer protocol that generate warnings for O4/O8. Can
> anyone comment on the necessity of these deprecations and how to deal with
> them?
>
> Anyone? This is important for the 1.7.0 release.

Also, I don't recall this being discussed. If I'm wrong please point me to
the discussion, otherwise some discussion/explanation is in order I think.

Thanks,
Ralf
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