[Numpy-discussion] Prep for NumPy 1.16.0 branch

Stefan van der Walt stefanv at berkeley.edu
Tue Nov 6 18:06:40 EST 2018

On Sun, 04 Nov 2018 17:16:12 -0800, Stephan Hoyer wrote:
> On Sun, Nov 4, 2018 at 10:32 AM Marten van Kerkwijk <
> m.h.vankerkwijk at gmail.com> wrote:
> > For `__array_function__`, there was some discussion in
> > https://github.com/numpy/numpy/issues/12225 that for 1.16 we might want
> > to follow after all Nathaniel's suggestion of using an environment variable
> > or so to opt in (since introspection breaks on python2 with our wrapped
> > implementations).  Given also the possibly significant hit in performance,
> > this may be the best option.
> > All the best,
> I am also leaning towards this right now, depending on how long we plan to
> wait for releasing 1.16. It will take us at least a little while to sort
> out performance issues for __array_function__, I'd guess at least a few
> weeks. Then a blocker still might turn up during the release candidate
> process (though I think we've found most of the major bugs / downstream
> issues already through tests on NumPy's dev branch).

Just to make sure I understand correctly: the suggestion is to use an
environment variable to temporarily toggle the feature, but the plan in
the long run will be to have it enabled all the time, correct?


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