Fix serialisation with pydantic 2.14 by not passing info as index_key

src/rune/runtime/base_data_class.py

@@ -107,7 +107,7 @@ def _unwrap_cow_inputs(cls, data: Any) -> Any:
     @model_serializer(mode='wrap')
     def _serialize_refs(self, serializer, info):
         '''should replace objects with refs while serializing'''
-        res = serializer(self, info)
+        res = serializer(self)
         refs = self._get_rune_refs_container()
         for property_nm, (key, ref_type) in refs.items():
             res[property_nm] = {ref_type.rune_ref_tag: key}

src/rune/runtime/metadata.py

@@ -689,7 +689,7 @@ class EnumWithMetaMixin:
     def serialise(cls, obj, handler, info) -> dict:
         '''used as serialisation method with pydantic'''
         res = obj.serialise_meta()
-        res['@data'] = handler(obj.enum_instance, info)
+        res['@data'] = handler(obj.enum_instance)
         return res
 
     @classmethod

test/test_basic_types_with_meta.py

@@ -356,6 +356,14 @@ def test_fail_create_constrained_num_model():
         ConstrainedNumberModel(amount=NumberWithMeta(-1))
 
 
+def test_dump_annotated_enum_scheme():
+    '''test the serialisation of an enum with meta'''
+    scheme_json = '{"enum_t":{"@scheme":"http://fpml.org","@data":"B"}}'
+    model = AnnotatedEnumModel.model_validate_json(scheme_json)
+    json_str = model.model_dump_json(exclude_unset=True)
+    assert json_str == scheme_json
+
+
 def test_annotated_enum_assignment():
     '''test assignment'''
     model = AnnotatedEnumModel(enum_t=EnumType.B)