On Sun, 11 Aug 2019 20:09:41 -0400 David Shawley <daveshaw...@gmail.com> wrote: > On Aug 8, 2019, at 3:55 PM, Chris Angelico <ros...@gmail.com> wrote: > > > > > There are two broad suggestions that came out of that thread and > > others, and I think it may be worth reopening them. > > > > 1) Should JSONEncoder (the class underlying json.dumps) natively > > support decimal.Decimal, and if so, can it avoid importing that module > > unnecessarily? > > > > 2) Should there be a protocol obj.__json__() to return a string > > representation of an object for direct insertion into a JSON file? > > > > I'm inclined towards the protocol, since there are protocols for > > various other encoders (eg deepcopy, pickle), and it avoids the > > problem of json importing decimal. It can also be implemented entirely > > as a third-party patch, although you'd need to subclass Decimal to add > > that method. > > > > I proposed something similar about a year ago [1]. I really like the idea > of a protocol for this. Especially since the other encoders already use > this approach. Should I reboot this approach? The implementation was > really simple [2].
I think this would be worthwhile. Here is a use case where it may remove some pain from users'life: https://bugs.python.org/issue24313 Regards Antoine. _______________________________________________ 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/H6JDEMYCKO2XUXHVBGAFAOT5PXYA2DQU/ Code of Conduct: http://python.org/psf/codeofconduct/
