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David Peter 0eb36e4345
[red-knot] Avoid panic for generic type aliases (#14312) 
## Summary

This avoids a panic inside `TypeInferenceBuilder::infer_type_parameters`
when encountering generic type aliases:
```py
type ListOrSet[T] = list[T] | set[T]
```

To fix this properly, we would have to treat type aliases as being their own
annotation scope [1]. The left hand side is a definition for the type parameter
`T` which is being used in the special annotation scope on the right hand side.
Similar to how it works for generic functions and classes.

[1] https://docs.python.org/3/reference/compound_stmts.html#generic-type-aliases


closes #14307

## Test Plan

Added new example to the corpus.
2024-11-13 16:01:15 +01:00
..
red_knot Introduce Diagnostic trait (#14130) 2024-11-07 13:26:21 +01:00
red_knot_python_semantic [red-knot] Avoid panic for generic type aliases (#14312) 2024-11-13 16:01:15 +01:00
red_knot_server Introduce Diagnostic trait (#14130) 2024-11-07 13:26:21 +01:00
red_knot_test [red-knot] Improve mdtest output (#14213) 2024-11-11 11:03:41 +00:00
red_knot_vendored Sync vendored typeshed stubs (#14030) 2024-11-01 10:51:56 +00:00
red_knot_wasm Introduce Diagnostic trait (#14130) 2024-11-07 13:26:21 +01:00
red_knot_workspace [red-knot] Avoid panic for generic type aliases (#14312) 2024-11-13 16:01:15 +01:00
ruff [flake8-markupsafe] Adds Implementation for MS001 via RUF035 (#14224) 2024-11-11 18:30:03 +00:00
ruff_benchmark Introduce Diagnostic trait (#14130) 2024-11-07 13:26:21 +01:00
ruff_cache Fix cache key collisions for paths with separators (#12159) 2024-07-03 07:36:46 -05:00
ruff_db Introduce Diagnostic trait (#14130) 2024-11-07 13:26:21 +01:00
ruff_dev Alternate quotes for strings inside f-strings in preview (#13860) 2024-10-23 07:57:53 +02:00
ruff_diagnostics Document comment policy around fix safety (#14300) 2024-11-13 08:03:58 -05:00
ruff_formatter Join implicit concatenated strings when they fit on a line (#13663) 2024-10-24 11:52:22 +02:00
ruff_graph Bump MSRV to Rust 1.80 (#13826) 2024-10-20 10:55:36 +02:00
ruff_index [red-knot] small efficiency improvements and bugfixes to use-def map building (#12373) 2024-07-18 09:24:58 -07:00
ruff_linter [flake8-type-checking] Fix false positives for typing.Annotated (#14311) 2024-11-13 12:17:52 +00:00
ruff_macros Derive message formats macro support to string (#14093) 2024-11-04 18:06:25 +01:00
ruff_notebook Bump MSRV to Rust 1.80 (#13826) 2024-10-20 10:55:36 +02:00
ruff_python_ast [flake8-simplify] Infer "unknown" truthiness for literal iterables whose items are all unpacks (SIM222) (#14263) 2024-11-11 15:23:34 -05:00
ruff_python_ast_integration_tests [internal] ComparableExpr (f)strings and bytes made invariant under concatenation (#13301) 2024-09-25 16:58:57 +02:00
ruff_python_codegen Extract LineIndex independent methods from Locator (#13938) 2024-10-28 07:53:41 +00:00
ruff_python_formatter Disallow single-line implicit concatenated strings (#13928) 2024-11-03 11:49:26 +00:00
ruff_python_index Extract LineIndex independent methods from Locator (#13938) 2024-10-28 07:53:41 +00:00
ruff_python_literal Use bitshift consistently for bitflag definitions (#14265) 2024-11-11 10:20:17 +00:00
ruff_python_parser Short circuit lex_identifier if the name is longer or shorter than any known keyword (#13815) 2024-10-19 11:07:15 +00:00
ruff_python_resolver chore(deps): update rust crate insta to v1.38.0 (#10701) 2024-04-01 15:44:30 +00:00
ruff_python_semantic [flake8-type-checking] Fix false positives for typing.Annotated (#14311) 2024-11-13 12:17:52 +00:00
ruff_python_stdlib Use bitshift consistently for bitflag definitions (#14265) 2024-11-11 10:20:17 +00:00
ruff_python_trivia Extract LineIndex independent methods from Locator (#13938) 2024-10-28 07:53:41 +00:00
ruff_python_trivia_integration_tests Extract LineIndex independent methods from Locator (#13938) 2024-10-28 07:53:41 +00:00
ruff_server Detect empty implicit namespace packages (#14236) 2024-11-09 22:03:34 -05:00
ruff_source_file Extract LineIndex independent methods from Locator (#13938) 2024-10-28 07:53:41 +00:00
ruff_text_size Extract LineIndex independent methods from Locator (#13938) 2024-10-28 07:53:41 +00:00
ruff_wasm Bump version to 0.7.3 (#14197) 2024-11-08 16:39:37 +05:30
ruff_workspace [flake8-markupsafe] Adds Implementation for MS001 via RUF035 (#14224) 2024-11-11 18:30:03 +00:00