When and how to evaluate Python annotations
When and how to evaluate Python annotations
Posted Jun 17, 2021 4:36 UTC (Thu) by jamesh (guest, #1159)In reply to: When and how to evaluate Python annotations by timrichardson
Parent article: When and how to evaluate Python annotations
From a quick look at the docs, pydantic is treating annotations as types: the same as static type checkers. The same seems to go for attrs. So they don't seem to be examples of using annotations for non-typing purposes.
Posted Nov 28, 2022 17:06 UTC (Mon)
by agarbanzo (guest, #162411)
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When and how to evaluate Python annotations
I think there's a lot of use cases stemming from PEP 593: https://peps.python.org/pep-0593/. It provides a way to attach arbitrary metadata which is ignored by static type checkers. So pretty much by definition any use of PEP 593 is going to be non-typing related. The PEP even gives an example use case: https://peps.python.org/pep-0593/#combining-runtime-and-s...