[Numpy-discussion] Deprecating ndarray.tostring()

Charles R Harris charlesr.harris at gmail.com
Tue Mar 31 09:57:50 EDT 2020

On Tue, Mar 31, 2020 at 5:33 AM Ralf Gommers <ralf.gommers at gmail.com> wrote:

> On Mon, Mar 30, 2020 at 1:09 PM Eric Wieser <wieser.eric+numpy at gmail.com>
> wrote:
>> Hi all,
>> Just a heads up that in https://github.com/numpy/numpy/pull/15867 I plan
>> to deprecate ndarray.tostring(), which is just a confusing way to spell
>> ndarray.tobytes().
>> This function has been documented as a compatibility alias since NumPy
>> 1.9, but never emitted a warning upon use.
>> Given array.array.tostring() has been warning as far back as Python 3.1,
>> it seems like we should follow suit.
>> In order to reduce the impact of such a deprecation, I’ve filed the
>> necessary scipy PR: https://github.com/scipy/scipy/pull/11755.
>> It’s unlikely we’ll remove this function entirely any time soon, but the
>> act of deprecating it may cause a few failing CI runs in projects where
>> warnings are turned into errors.
> +1 agree with the deprecation, and with making it a long one given the
> handful of uses in Matplotlib and several handfuls in SciPy.
+1 also.

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