[red-knot] Move relation methods from CallableType to Signature#17365
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dhruvmanila merged 1 commit intomainfrom Apr 14, 2025
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[red-knot] Move relation methods from CallableType to Signature#17365dhruvmanila merged 1 commit intomainfrom
CallableType to Signature#17365dhruvmanila merged 1 commit intomainfrom
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It's much easier to verify that this is a pure move with git diff on the command line than in the PR view... 😅
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algorithm = histogram
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* main: (31 commits) [red-knot] Add some knowledge of `__all__` to `*`-import machinery (#17373) Update taiki-e/install-action digest to be7c31b (#17379) Update Rust crate mimalloc to v0.1.46 (#17382) Update PyO3/maturin-action action to v1.49.1 (#17384) Update Rust crate anyhow to v1.0.98 (#17380) dependencies: switch from `chrono` to `jiff` Update Rust crate bstr to v1.12.0 (#17385) [red-knot] Further optimize `*`-import visibility constraints (#17375) [red-knot] Minor 'member_lookup_with_policy' fix (#17407) [red-knot] Initial support for `dataclass`es (#17353) Sync vendored typeshed stubs (#17402) [red-knot] improve function/bound method type display (#17294) [red-knot] Move relation methods from `CallableType` to `Signature` (#17365) [syntax-errors] `await` outside async functions (#17363) [red-knot] optimize is_subtype_of for literals (#17394) [red-knot] add a large-union-of-string-literals benchmark (#17393) Update pre-commit dependencies (#17383) [red-knot] mypy_primer: Fail job on panic or internal errors (#17389) [red-knot] Document limitations of diagnostics-silencing in unreachable code (#17387) [red-knot] detect unreachable attribute assignments (#16852) ...
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Summary
This PR moves all the relation methods from
CallableTypetoSignature.The main reason for this is that
Signatureis going to be the common denominator between normal and overloaded callables and the core logic to check a certain relationship is going to just require the information that would exists onSignature. For example, to check whether an overloaded callable is a subtype of a normal callable, we need to check whether every overloaded signature is a subtype of the normal callable's signature. This "every" logic would become part of theCallableTypeand the core logic of checking the subtyping would exists onSignature.