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

[Thomas Caswell]

Yes, meant IntFlag :sheep:

On Sat, Mar 17, 2018 at 6:02 PM Hameer Abbasi <einstein.edison at gmail.com>
wrote:

>
> 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.
>
>
> Don’t you mean IntFlag
> <https://docs.python.org/3/library/enum.html#intflag>? I like Marten’s
> idea of “grouping together” related functionality via ABCs and implementing
> different parts via ABCs (for example, in pydata/sparse we use
> NDArrayOperatorsMixin for exactly this), but I believe that separate ABCs
> should be provided for different parts of the interface.
>
> Then we can either:
>
>    1. Check with isinstance for the ABCs, or
>    2. Check with hasattr.
>
> I like the IntFlag idea most (it seems to be designed for use-cases like
> these), but a string-based (np.aspyarray(x,
> functionality=‘arithmetic|reductions')) or list-based (np.aspyarray(x,
> functionality=[‘arithmetic’, ‘reductions’]) is also fine.
>
> It might help to have some sort of a “dry-run” interface that (given a run
> of code) figures out which parts you need.
>
> _______________________________________________
> NumPy-Discussion mailing list
> NumPy-Discussion at python.org
> https://mail.python.org/mailman/listinfo/numpy-discussion
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/numpy-discussion/attachments/20180317/30255afc/attachment.html>