[red-knot] Improve type inference for except handlers #14838
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AlexWaygood
requested review from
carljm,
MichaReiser and
sharkdp
as code owners
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dcreager
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Dec 10, 2024
* main: [`airflow`] Add fix to remove deprecated keyword arguments (`AIR302`) (#14887) Improve mdtests style (#14884) Reference `suppress-dummy-regex-options` in documentation of rules supporting it (#14888) [`flake8-bugbear`] `itertools.batched()` without explicit `strict` (`B911`) (#14408) [`ruff`] Mark autofix for `RUF052` as always unsafe (#14824) [red-knot] Improve type inference for except handlers (#14838) More typos found by codespell (#14880) [red-knot] move standalone expression_ty to TypeInferenceBuilder::file_expression_ty (#14879) [`ruff`] Do not simplify `round()` calls (`RUF046`) (#14832) Stop referring to early ruff versions (#14862) Fix a typo in `class.rs` (#14877) [`flake8-pyi`] Also remove `self` and `cls`'s annotation (`PYI034`) (#14801) [`pyupgrade`] Remove unreachable code in `UP015` implementation (#14871) [`flake8-bugbear`] Skip `B028` if `warnings.warn` is called with `*args` or `**kwargs` (#14870)
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Summary
I noticed in #14802 (comment) that there were some TODOs around type inference for exception handlers that we could now do, following @sharkdp's implementation of
Type::SubclassOf. So this PR does them!Features added in this PR:
type[ValueError]ortuple[type[ValueError], type[OSError]]is now supported)Test Plan
New mdtests added, and TODOs in existing mdtests removed.