I am following, but very swamped with work so I am kind of to the side for a few more days. I am thinking about looking for a sponsor for the PEP, but at this point it's better if I rework the current analysis in light of what you made and the current discussion. Maybe I should open a new PEP?
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/
