Add Type::is_deprecated

Author: Glyphack

crates/ty_ide/src/completion.rs

@@ -303,11 +303,9 @@ impl<'db> Completion<'db> {
     }
 }
 
-// TODO: Not sure about this. I need to pass the deprecated value to relevance and this seems
-// like the way
-#[expect(clippy::struct_excessive_bools)]
 /// A builder for construction a `Completion`.
 #[derive(Debug)]
+#[expect(clippy::struct_excessive_bools)]
 struct CompletionBuilder<'db> {
     // See comments on `Completion` for the meaning of fields.
     name: Name,
@@ -420,13 +418,7 @@ impl<'db> CompletionBuilder<'db> {
                     );
             }
 
-            self.deprecated = {
-                match ty {
-                    Type::FunctionLiteral(f) => f.implementation_deprecated(db).is_some(),
-                    Type::ClassLiteral(c) => c.deprecated(db).is_some(),
-                    _ => false,
-                }
-            };
+            self.deprecated = ty.is_deprecated(db);
         }
         let kind = self
             .kind

crates/ty_python_semantic/src/types.rs

@@ -1053,6 +1053,15 @@ impl<'db> Type<'db> {
         }
     }
 
+    /// Returns whether this type is marked as deprecated via `@warnings.deprecated`.
+    pub fn is_deprecated(&self, db: &'db dyn Db) -> bool {
+        match self {
+            Type::FunctionLiteral(f) => f.implementation_deprecated(db).is_some(),
+            Type::ClassLiteral(c) => c.deprecated(db).is_some(),
+            _ => false,
+        }
+    }
+
     /// If the type is a specialized instance of the given `KnownClass`, returns the specialization.
     pub(crate) fn known_specialization(
         &self,

crates/ty_python_semantic/src/types/class.rs

@@ -581,7 +581,7 @@ impl<'db> ClassLiteral<'db> {
     }
 
     /// Returns the deprecated info if this class is deprecated.
-    pub fn deprecated(self, db: &'db dyn Db) -> Option<DeprecatedInstance<'db>> {
+    pub(crate) fn deprecated(self, db: &'db dyn Db) -> Option<DeprecatedInstance<'db>> {
         self.as_static().and_then(|class| class.deprecated(db))
     }
 

crates/ty_python_semantic/src/types/function.rs

@@ -1009,7 +1009,10 @@ impl<'db> FunctionType<'db> {
     /// If the implementation of this function is deprecated, returns the `@warnings.deprecated`.
     ///
     /// Checking if an overload is deprecated requires deeper call analysis.
-    pub fn implementation_deprecated(self, db: &'db dyn Db) -> Option<DeprecatedInstance<'db>> {
+    pub(crate) fn implementation_deprecated(
+        self,
+        db: &'db dyn Db,
+    ) -> Option<DeprecatedInstance<'db>> {
         self.literal(db).implementation_deprecated(db)
     }