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Fri Dec 29 20:13:06 EST 2017 · https://mail.python.org/pipermail/python-dev/2017-December/151510.html

No, I am concerned about the rule being too complex to explain, and about
surprising effects when the base changes (action at a distance).

I also don't necessarily think "we all agree" that what attrs does is
wrong, but the rule I propose seems reasonable.

On Dec 29, 2017 5:58 PM, "Ethan Smith" <ethan at ethanhs.me> wrote:

>
>
> On Fri, Dec 29, 2017 at 4:52 PM, Guido van Rossum <guido at python.org>
> wrote:
>
>> I still think it should overrides anything that's just inherited but
>> nothing that's defined in the class being decorated.
>>
>>
> Could you explain why you are of this opinion? Is it a concern about
> complexity of implementation?
>
>
>> On Dec 29, 2017 5:43 PM, "Nathaniel Smith" <njs at pobox.com> wrote:
>>
>>> On Fri, Dec 29, 2017 at 12:30 PM, Ethan Furman <ethan at stoneleaf.us>
>>> wrote:
>>> > Good point.  So auto-generate a new __repr__ if:
>>> >
>>> > - one is not provided, and
>>> > - existing __repr__ is either:
>>> >   - object.__repr__, or
>>> >   - a previous dataclass __repr__
>>> >
>>> > And if the auto default doesn't work for one's use-case, use the
>>> keyword
>>> > parameter to specify what you want.
>>>
>>> What does attrs do here?
>>>
>>> -n
>>>
>>> --
>>> Nathaniel J. Smith -- https://vorpus.org
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>>
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[Python-Dev] Concerns about method overriding and subclassing with dataclasses