On Wed, Aug 5, 2020 at 3:01 PM Stefano Borini <stefano.bor...@gmail.com> wrote:
> Maybe I should open a new PEP? > I"ll let teh PEP editors decide, but it look slike it was "rejected"m with this comment: "The idea never seemed to gain any traction over its near 5 years in existence as a PEP." So I'd think re-opening it would be fine -- rather than clutter up the PEP namespace... Maybe we could use a "suspended" status for PEPs? -CHB On Tue, 4 Aug 2020 at 14:26, Jonathan Fine <jfine2...@gmail.com> wrote: > > > > Thank you all for your posts. I'm busy now and for the next few days, so > have little time to respond. Here's some comments and suggestions. > > > > I hope that Andras, Caleb, Stefano, Neil, Joao Bueno, Todd and Stephan > will take a special interest in this post. In the previous thread, these > people saw that the proposed new syntax > > d[1, 2, a=3, b=4] > > would bring benefits to their own particular use of Python. (Apologies > for any omitted names or misunderstanding of posts). > > > > I hope the package kwkey shows that it is possible now to write > > from kwkey import o > > d[o(1, 2, a=3, b=4)] > > as a workable present day substitute for the proposed syntax > > d[1, 2, a=3, b=4] > > > > I think using this can safely go ahead, even though there may be > disagreements on the meaning of 'o' and the implementation of classes that > take advantage of the new syntax. Indeed, I think going ahead now will > contribute to understanding and resolving the disagreements, by creating a > shared experience. > > > > I suggest that those who previously suggested uses for the proposed > syntax now implement some examples. (I give a list below.) They can do this > using my API, Steven's API, or any other API. Or indeed now, using the > return value of 'o' directly. > > > > I've started this process with a toy example: > > > https://github.com/jfine2358/python-kwkey/blob/master/kwkey/example_jfine.py > > > > Here are three aspects to the proposed syntax. They are all important, > and good design will balance between the various parts and interests. > > > > First, ordinary programmers, who perhaps want > > d[1, 2] > > d[x=1, y=2] > > d[1, y=2] > > d[y=2, x=1] > > to all be equivalent, for d a mapping of whose domain is points in the > x-y plane. More complicated examples might be found in function annotations > (Andras Tantos, Caleb Donovick), quantum chemistry (Stefano Borini), > networkx (Neil Girdhar), numpy and pandas (Joao Bueno), xarrary (Todd, > Stephan Hoyer). > > > > Second, there are those who implement classes that make use of the > proposed syntax. > > > > Third, there are those who implement the extension of Python that allows > > d[o(1, 2, a=3, b=4)] > > to be replaced by > > d[1, 2, 3, 4] > > > > I suggest that those who see benefits in feature produce experimental > implementations via kwkey, just as I did in my kwkey.example_jfine. It is > possible to do this now, and so have benefits now, in a way that is > reasonably future proof regarding implementation of the proposed new syntax. > > > > If you're a user of kwkey, I will have some time available to help you > if you want it. > > > > I hope this helps some, and harms none. > > -- > > Jonathan > > > > > > > -- > Kind regards, > > Stefano Borini > _______________________________________________ > Python-ideas mailing list -- python-ideas@python.org > To unsubscribe send an email to python-ideas-le...@python.org > https://mail.python.org/mailman3/lists/python-ideas.python.org/ > Message archived at > https://mail.python.org/archives/list/python-ideas@python.org/message/QK3YV3BUTF4VCPKNNMHFDWVJDQIJMZ3A/ > Code of Conduct: http://python.org/psf/codeofconduct/ > -- Christopher Barker, PhD Python Language Consulting - Teaching - Scientific Software Development - Desktop GUI and Web Development - wxPython, numpy, scipy, Cython
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