[Numpy-discussion] New Indexing Methods Revival #N (subclasses!)

[Sebastian Berg]

On Mo, 2016-09-05 at 21:02 -0400, Marten van Kerkwijk wrote:
> p.s. Just to be clear: personally, I think we should have neither
> `__numpy_getitem__` nor a mixin; we should just get the quite
> wonderful new indexing methods!

Hehe, yes but see MaskedArrays. They need logic to also index the mask,
so `__getitem__`, etc. actually do a lot of things. Without any complex
changes (implementing a unified method within that class or similar).
The new indexing attributes simply cannot work right. And I think at
least a warning might be in order (from the numpy side) for such a
subclass.

But maybe MaskedArrays are pretty much the most complex subclass
available in that regard....

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