Fix __pydantic_config__ ignored for TypedDict (#8734)

pydantic/json_schema.py

@@ -1214,18 +1214,24 @@ def typed_dict_schema(self, schema: core_schema.TypedDictSchema) -> JsonSchemaVa
         ]
         if self.mode == 'serialization':
             named_required_fields.extend(self._name_required_computed_fields(schema.get('computed_fields', [])))
-
-        config = _get_typed_dict_config(schema)
+        cls = _get_typed_dict_cls(schema)
+        config = _get_typed_dict_config(cls)
         with self._config_wrapper_stack.push(config):
             json_schema = self._named_required_fields_schema(named_required_fields)
 
+        json_schema_extra = config.get('json_schema_extra')
         extra = schema.get('extra_behavior')
         if extra is None:
             extra = config.get('extra', 'ignore')
-        if extra == 'forbid':
-            json_schema['additionalProperties'] = False
-        elif extra == 'allow':
-            json_schema['additionalProperties'] = True
+
+        if cls is not None:
+            title = config.get('title') or cls.__name__
+            json_schema = self._update_class_schema(json_schema, title, extra, cls, json_schema_extra)
+        else:
+            if extra == 'forbid':
+                json_schema['additionalProperties'] = False
+            elif extra == 'allow':
+                json_schema['additionalProperties'] = True
 
         return json_schema
 
@@ -2414,9 +2420,13 @@ def __hash__(self) -> int:
             return hash(type(self))
 
 
-def _get_typed_dict_config(schema: core_schema.TypedDictSchema) -> ConfigDict:
+def _get_typed_dict_cls(schema: core_schema.TypedDictSchema) -> type[Any] | None:
     metadata = _core_metadata.CoreMetadataHandler(schema).metadata
     cls = metadata.get('pydantic_typed_dict_cls')
+    return cls
+
+
+def _get_typed_dict_config(cls: type[Any] | None) -> ConfigDict:
     if cls is not None:
         try:
             return _decorators.get_attribute_from_bases(cls, '__pydantic_config__')

tests/test_json_schema.py

@@ -2545,6 +2545,46 @@ def __get_pydantic_core_schema__(cls, source_type: Any, handler: GetCoreSchemaHa
     }
 
 
+def test_typeddict_with_title():
+    class Model(TypedDict):
+        __pydantic_config__ = ConfigDict(title='Test')  # type: ignore
+        a: str
+
+    assert TypeAdapter(Model).json_schema() == {
+        'title': 'Test',
+        'type': 'object',
+        'properties': {'a': {'title': 'A', 'type': 'string'}},
+        'required': ['a'],
+    }
+
+
+def test_typeddict_with_json_schema_extra():
+    class Model(TypedDict):
+        __pydantic_config__ = ConfigDict(title='Test', json_schema_extra={'foobar': 'hello'})  # type: ignore
+        a: str
+
+    assert TypeAdapter(Model).json_schema() == {
+        'title': 'Test',
+        'type': 'object',
+        'properties': {'a': {'title': 'A', 'type': 'string'}},
+        'required': ['a'],
+        'foobar': 'hello',
+    }
+
+
+def test_typeddict_with__callable_json_schema_extra():
+    def json_schema_extra(schema, model_class):
+        schema.pop('properties')
+        schema['type'] = 'override'
+        assert model_class is Model
+
+    class Model(TypedDict):
+        __pydantic_config__ = ConfigDict(title='Test', json_schema_extra=json_schema_extra)  # type: ignore
+        a: str
+
+    assert TypeAdapter(Model).json_schema() == {'title': 'Test', 'type': 'override', 'required': ['a']}
+
+
 @pytest.mark.parametrize(
     'annotation,kwargs,field_schema',
     [