[Python-ideas] namedtuple nit...

[Antoine Rozo]

> If an object has no slots or dict and does not accept attribute
assignment, is it not effectively immutable?

No, not necessarily.

class A(list): __slots__ = ()

2017-07-28 10:00 GMT+02:00 Mike Miller <python-ideas at mgmiller.net>:

>
>
> On 2017-07-27 18:02, Chris Angelico wrote:
> > As Ivan said, this is to do with __slots__. It's nothing to do with
> > immutability:
>
> >>> object().__slots__
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> AttributeError: 'object' object has no attribute '__slots__'
>
> >>> object().__dict__
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> AttributeError: 'object' object has no attribute '__dict__'
> >>>
>
> If an object has no slots or dict and does not accept attribute
> assignment, is it not effectively immutable?
>
> -Mike
>
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-- 
Antoine Rozo
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