Use visit_annotation for type alias value

Glyphack · Glyphack · commit 07a3b4e5ea31 · 2025-04-20T14:29:47.000+02:00
This was a follow up task from astral-sh#17180 (comment) separated into this PR.
diff --git a/crates/ruff_python_ast/ast.toml b/crates/ruff_python_ast/ast.toml
@@ -116,7 +116,7 @@ doc = "See also [TypeAlias](https://docs.python.org/3/library/ast.html#ast.TypeA
 fields = [
   { name = "name", type = "Expr" },
   { name = "type_params", type = "Box<crate::TypeParams>?" },
-  { name = "value", type = "Expr" },
+  { name = "value", type = "Expr", is_annotation = true },
 ]
 
 [Stmt.nodes.StmtAssign]
diff --git a/crates/ruff_python_ast/src/generated.rs b/crates/ruff_python_ast/src/generated.rs
diff --git a/crates/ruff_python_ast_integration_tests/tests/snapshots/source_order__type_aliases.snap b/crates/ruff_python_ast_integration_tests/tests/snapshots/source_order__type_aliases.snap
@@ -16,5 +16,6 @@ expression: trace
       - TypeParamParamSpec
         - Identifier
     - ExprSubscript
-      - ExprName
-      - ExprName
+      - ExprSubscript
+        - ExprName
+        - ExprName

Original file line number	Diff line number	Diff line change
`@@ -116,7 +116,7 @@ doc = "See also [TypeAlias](https://docs.python.org/3/library/ast.html#ast.TypeA`
`116`	`116`	`fields = [`
`117`	`117`	`{ name = "name", type = "Expr" },`
`118`	`118`	`{ name = "type_params", type = "Box<crate::TypeParams>?" },`
`119`		`- { name = "value", type = "Expr" },`
	`119`	`+ { name = "value", type = "Expr", is_annotation = true },`
`120`	`120`	`]`
`121`	`121`
`122`	`122`	`[Stmt.nodes.StmtAssign]`