I'm also in the non-subclass array-like camp, and I'd love to just write
vindex and oindex methods, then have:

def __getitem__(self, idx):
    return np.dispatch_getitem(self, idx)

Where "dispatch_getitem" does some basic argument checking and calls either
vindex or oindex as appropriate.

Maybe that fits better as a mixin; I don't really mind either way.

On Tue, Sep 6, 2016 at 12:11 PM, Nathan Goldbaum <nathan12...@gmail.com>
wrote:

>
>
> On Tuesday, September 6, 2016, Stephan Hoyer <sho...@gmail.com> wrote:
>
>> On Mon, Sep 5, 2016 at 6:02 PM, Marten van Kerkwijk <
>> m.h.vankerkw...@gmail.com> 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!
>>
>>
>> +1
>>
>> I don't maintain ndarray subclasses (I prefer composition), but I don't
>> think it's too difficult to require implementing vindex and oindex
>> properties from scratch.
>>
>> Side note: I would prefer the more verbose "legacy_index" to "lindex". We
>> really want to discourage this one, and two new abbreviations are bad
>> enough.
>>
>
> Very much agreed.
>
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