#32156: Add __class_getitem__ to support runtime type parameters for more
classes
-------------------------------------+-------------------------------------
Reporter: Brady Kieffer | Owner: Brady
| Kieffer
Type: New feature | Status: assigned
Component: Utilities | Version: 2.2
Severity: Normal | Resolution:
Keywords: types, mypy, | Triage Stage:
django-stubs | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 1 | UI/UX: 0
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Comment (by Carlton Gibson):
Hi Brady. Thanks for the input.
I'm a bit sceptical about this. #31223 was fixed on the basis that:
1. ''It'll change our life''
2. It's all we need.
No 2 now (already) seems false.
More though, this is more than a bit boilerplatey...
{{{
@classmethod
def __class_getitem__(cls, *args, **kwargs):
return cls
}}}
Question: why isn't this mypy's issue? i.e. why can't we demand better
type inference in this case?
(Type annotations cool. Unnecessary boilerplate, not so much…)
What do the mypy people say about that type of case?
Thanks for helping me to understand!
--
Ticket URL: <https://code.djangoproject.com/ticket/32156#comment:2>
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