[Numpy-discussion] new NEP: np.AbstractArray and np.asabstractarray

[Thomas Caswell]

It would be nice if there was an IntEnum [1] that was taken is an input to
`np.asarrayish` and `np.isarrayish` to require a combination of the groups
of attributes/methods/semantics.

Tom

[1] https://docs.python.org/3/library/enum.html#intenum

On Sat, Mar 10, 2018 at 7:14 PM Marten van Kerkwijk <
m.h.vankerkwijk at gmail.com> wrote:

>
> ​I think we don't have to make it sounds like there are *that* many types
> of compatibility: really there is just array organisation
> (indexing/reshaping) and array arithmetic. These correspond roughly to
> ShapedLikeNDArray in astropy and NDArrayOperatorMixin in numpy (missing so
> far is concatenation). The advantage of the ABC classes is that they can
> supply missing methods (say, size, isscalar, __len__, and ndim given shape;
> __iter__ given __getitem__, ravel, squeeze, flatten given reshape; etc.).
>
> -- Marten
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