I am unsure of the process if there's interest. Should I revise the
PEP and create a new one?
On Tue, 21 Jul 2020 at 06:29, Christopher Barker <python...@gmail.com> wrote:
>
> On Mon, Jul 20, 2020 at 3:17 AM Rhodri James <rho...@kynesim.co.uk> wrote:
>>
>> Ironically that example pushes me back to -1. It may look a lot like
>> xarray and pandas working, but that just means it should be in xarray
>> and/or pandas.
>
>
> after following most of this discussion, I'm still not sure what we'd get
> with keywords in indexing.
>
> But I do think it would be nice of we could use slice syntax in other places.
> That would allow things like xarray and pandas to use slices in regular
> function calls. here's an example from the xarray docs:
>
> da.isel(space=0, time=slice(None, 2))
>
> wouldn't that be nice as:
>
> da.isel(space=0, time=:2)
>
> or:
>
> da.sel(time=slice("2000-01-01", "2000-01-02"))
>
> could be:
>
> da.sel(time="2000-01-01":"2000-01-02")
>
> As far as I can tell, slicing syntax is currently a syntax error in these
> cases, and any others I thought to test.
>
> Is there a reason to not allow syntax for creating a slice object to be used
> anywhere (Or more places, anyway)?
>
> By the way, I just noticed this note in the xarray docs:
>
> """Note: We would love to be able to do indexing with labeled dimension names
> inside brackets, but unfortunately, Python does yet not support indexing with
> keyword arguments like da[space=0]
> """
> So they would like it :-)
>
> -CHB
>
>
>
> --
> Christopher Barker, PhD
>
> Python Language Consulting
> - Teaching
> - Scientific Software Development
> - Desktop GUI and Web Development
> - wxPython, numpy, scipy, Cython
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--
Kind regards,
Stefano Borini
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