As an extra it will be identical with contextvars but it is going work on
builtin dicts.

On Fri, Jul 26, 2019 at 10:13 AM Batuhan Taskaya <[email protected]>
wrote:

> I am proposing namespace context managers with implementing `__enter__`
> and `__exit__` on dict objects. It would make closures possible in python
> with a pythonic syntax.
>
> a = 4
> namespace = {}
>
> with namespace:
>     a = 3
>
> assert a == 4
> assert namespace["a"] == 3
>
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