[Python-ideas] Add a dict with the attribute access capability

[Ivan Levkivskyi]

On 29 November 2017 at 20:11, Barry Warsaw <barry at python.org> wrote:

> Serhiy Storchaka wrote:
> > In 3.7 I have removed an old-deprecated plistlib.Dict. [1] Actually it
> > already was deprecated when the plistlib module was added to the regular
> > stdlib in Python 2.6.
> >
> > Raymond noticed that that capability seemed nice to have.
>
> So nice in fact that I'm sure I've reimplemented something similar
> several times. :)
>
> > What do you think about reviving this type as general purpose type in
> > collections or types? Perhaps it can be convenient for working with
> > JSON, plists, configuration files, databases and in other cases that
> > need a dict with string keys.
> >
> > If reintroduce it, there are open questions.
> >
> > 1. The name of the type.
> >
> > 2. The location of the type. collections or types? Or other variants?
> >
> > 3. How it will collaborate with OrderedDict, defaultdict, etc?
> >
> > 4. Should it be a dict subclass, or a mixin, or a proxy? Or add several
> > types?
>
> I also wonder whether PEP 557 dataclasses could provide this except in
> the opposite direction, e.g. by optionally adding __getitem__ support.
>

This was discussed in https://github.com/ericvsmith/dataclasses/issues/21
and it was decided to postpone this.

--
Ivan
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/python-ideas/attachments/20171129/20cb22b0/attachment.html>