[Python-Dev] collections.abc for data and non-data descriptors

[Guido van Rossum]

Well, these are an example of the purest duck typing. Just implement
__get__ and/or __set__ (and __delete__) and you're good.

What's the situation where you miss them?

--Guido

On Tue, Jan 17, 2017 at 8:51 AM, Roberto Martínez <
robertomartinezp at gmail.com> wrote:

> Hi,
>
> I miss abstract base classes in collections.abc implementing the
> descriptor protocol. Any reason why they do not exist?
>
> What do you think of adding NonDataDescriptor and DataDescriptor ABCs?
>
> Best regards,
> Roberto
>
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-- 
--Guido van Rossum (python.org/~guido)
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