mirror of https://github.com/astral-sh/ruff synced 2026-01-23 14:30:53 -05:00

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Dhruv Manilawala 08fa9b4a90 [red-knot] Add CallableTypeFromFunction special form (#16683 )

## Summary

This PR adds a new `CallableTypeFromFunction` special form to allow
extracting the abstract signature of a function literal i.e., convert a
`Type::Function` into a `Type::Callable` (`CallableType::General`).

This is done to support testing the `is_gradual_equivalent_to` type
relation specifically the case we want to make sure that a function that
has parameters with no annotations and does not have a return type
annotation is gradual equivalent to `Callable[[Any, Any, ...], Any]`
where the number of parameters should match between the function literal
and callable type.

Refer
https://github.com/astral-sh/ruff/pull/16634#discussion_r1989976692

### Bikeshedding

The name `CallableTypeFromFunction` is a bit too verbose. A possibly
alternative from Carl is `CallableTypeOf` but that would be similar to
`TypeOf` albeit with a limitation that the former only accepts function
literal types and errors on other types.

Some other alternatives:
* `FunctionSignature`
* `SignatureOf` (similar issues as `TypeOf`?)
* ...

## Test Plan

Update `type_api.md` with a new section that tests this special form,
both invalid and valid forms.

2025-03-13 07:49:34 +05:30

knot_extensions

[red-knot] Add CallableTypeFromFunction special form (#16683 )

2025-03-13 07:49:34 +05:30

src

Bump MSRV to Rust 1.80 (#13826 )

2024-10-20 10:55:36 +02:00

vendor/typeshed

[red-knot] Do not ignore typeshed stubs for 'venv' module (#16596 )

2025-03-10 09:07:48 +01:00

.gitignore

[red-knot] Do not ignore typeshed stubs for 'venv' module (#16596 )

2025-03-10 09:07:48 +01:00

build.rs

[red-knot] Minor refactor of red_knot_vendored/build.rs (#15372 )

2025-01-09 12:23:42 +00:00

Cargo.toml

Bump MSRV to Rust 1.80 (#13826 )

2024-10-20 10:55:36 +02:00

README.md

Rename the ruff_vendored crate to red_knot_vendored (#13586 )

2024-10-01 16:16:59 +01:00

README.md

Vendored types for the stdlib

This crate vendors typeshed's stubs for the standard library. The vendored stubs can be found in crates/red_knot_vendored/vendor/typeshed. The file crates/red_knot_vendored/vendor/typeshed/source_commit.txt tells you the typeshed commit that our vendored stdlib stubs currently correspond to.

The typeshed stubs are updated every two weeks via an automated PR using the sync_typeshed.yaml workflow in the .github/workflows directory. This workflow can also be triggered at any time via workflow dispatch.