Fix type aliases with fixed-length tuples #14184
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Diff from mypy_primer, showing the effect of this PR on open source code: artigraph (https://github.com/artigraph/artigraph)
+ tests/arti/types/test_python_adapters.py:188: error: Unused "type: ignore" comment
+ tests/arti/internal/test_models.py:183: error: Unused "type: ignore" comment
+ tests/arti/internal/test_models.py:192: error: Unused "type: ignore" comment
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ilevkivskyi
approved these changes
Nov 25, 2022
sobolevn
approved these changes
Nov 25, 2022
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I just ran into this (#11098) issue in one of my code bases today. I go to github to see whether it's been reported before, and whether it is being worked on. What am I greeted by?
and then...
I absolutely love you guys. ❤️ |
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Fix type aliases like these:
Type applications involving fixed-length tuples still don't fully work. The inferred type is a variable-length tuple when constructing a tuple using a type application, e.g.
tuple[int, str]((1, "")). This seems a pretty low-priority issue, whereas the type alias use case seems common.Most of the work was by @sobolevn originally in #12134. I just finished it up.
Fixes #11098.