You have to find a core dev who is willing to act as a Sponsor. I recommend
asking Steven d’Aprano (but I do not know if he’s interested). Until then,
hash out the precise spec for the idea here. Coming up with a solid
motivation is also important.
On Tue, Jul 21, 2020 at 01:15 Stefano Borini <stefano.bor...@gmail.com>
wrote:
> 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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