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[Python-Dev] Concerns about method overriding and subclassing with dataclasses

Ethan Furman ethan at stoneleaf.us
Fri Dec 29 20:04:35 EST 2017 
On Fri, Dec 29, 2017 at 12:30 PM, Ethan Furman 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.

On Dec 29, 2017 5:43 PM, "Nathaniel Smith" wrote:
 > What does attrs do here?

On 12/29/2017 04:52 PM, Ethan Smith wrote:
 > attrs just silently overwrites any user provided __repr__ unless you provide
 > repr=False to attr.s.

On 12/29/2017 04:52 PM, Guido van Rossum wrote:
 > I still think it should overrides anything that's just inherited but nothing
 > that's defined in the class being decorated.

I can certainly live with that.

--
~Ethan~
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