Do you want to be a champion for this development? Or does anyone else want
to volunteer?

On Mon, Jan 4, 2021 at 8:54 AM Steve Dower <steve.do...@python.org> wrote:

> On 12/29/2020 5:23 PM, Antoine Pitrou wrote:
> > The third option is to add a distinct "string view" protocol.  There
> > are peculiarities (such as the fact that different objects may have
> > different internal representations - some utf8, some utf16...) that
> > make the buffer protocol suboptimal for this.
> >
> > Also, we probably don't want unicode-like objects to start being usable
> > in contexts where a buffer-like object is required (such as writing to
> > a binary file, or zlib-compressing a bunch of bytes).
>
> I've had to deal with this problem in the past as well (WinRT HSTRINGs),
> and this is the approach that would seem to make the most sense to me.
>
> Basically, reintroduce PyString_* APIs as an _abstract_ interface to
> str-like objects.
>
> So the first line of every single one can be PyUnicode_Check() followed
> by calling the _concrete_ PyUnicode_* implementation. And then we
> develop additional type slots or whatever is necessary for someone to
> build an equivalent native object.
>
> Most "is this a str" checks can become PyString_Check, provided all the
> APIs used against the object are abstract (PyObject_* or PyString_*).
> Those that are going to mess with internals will have to get special
> treatment.
>
> I don't want to make it all sound too easy, because it probably won't
> be. But it should be possible to add a viable proxy layer as a set of
> abstract C APIs to use instead of the concrete ones.
>
> Cheers,
> Steve
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