I had just started to play with Andrew's code on Friday, but got distracted by real work and had to drop it. This gets me further into the parts I wanted to play with, so big thanks!
On Sun, Feb 23, 2020 at 5:45 AM André Roberge <andre.robe...@gmail.com> wrote: > (Apologies if this appears twice: I attempted to create a new thread using > the Web interface but do not see any sign of it having been created.) > > When people suggest changes to Python's syntax on this list, it is often > suggested that they might want to try doing so using an import hook. > > In fact, this was suggested as recently as two days ago when Andrew > Barnert wrote [1] > > > Unfortunately, the boilerplate to write an import hook is more > complicated than you’d > like (and pretty hard to figure out the first time), and the support for > filtering on the > token stream (the most obvious way to do this one) rather than the text > stream, AST, or > bytecode is pretty minimal and clumsy. > > In an attempt to make it easier to create import hooks to "play" with > non-standard syntax, I have created a library that is simply called "ideas" > [2]. > It includes quite a few toy examples meant to illustrate what can be done. > It also includes a slightly less minimal and hopefully less clumsy way of > filtering the token stream. A reasonably complete documentation is > available [3]. > > I was planning to work some more on it but the recent comment by Andrew > Barnert gave me the impetus to finish a first draft and mention it > publicly. While it "works for me", consider it to be a pre-alpha release, > which is ready for your suggestions, criticisms, and other comments. > > My hope is that eventually enough examples will be included so that, > instead of simply suggesting "why don't you write an import hook for > testing your proposed syntax", one could say "you can use transformations > similar to that of examples X and Y of ideas to create an import hook for > testing your proposed syntax". > > André Roberge > > [1] > https://mail.python.org/archives/list/python-ideas@python.org/message/UNL62EMSNPA5USUS7SCEQZQ63PVP2FDL/ > [2] Code on github: https://github.com/aroberge/ideas; see the > documentation for the choice of name. > [3] Documentation: https://aroberge.github.io/ideas/docs/html/ > _______________________________________________ > 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/VWPD2CGZFYA5YJT7IJDCIGAGIGILAWCY/ > Code of Conduct: http://python.org/psf/codeofconduct/ >
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