Old style .__dict__ and .__class__

src/runtime/classobj.cpp

@@ -142,6 +142,13 @@ static Box* _instanceGetattribute(Box* _inst, Box* _attr, bool raise_on_missing)
     BoxedString* attr = static_cast<BoxedString*>(_attr);
 
     // TODO: special handling for accessing __dict__ and __class__
+    if (attr->s[0] == '_' && attr->s[1] == '_') {
+        if (attr->s == "__dict__")
+            return makeAttrWrapper(inst);
+
+        if (attr->s == "__class__")
+            return inst->inst_cls;
+    }
 
     Box* r = inst->getattr(attr->s);
     if (r)

test/tests/oldstyle_classes.py

@@ -121,3 +121,5 @@ g = GetattrTest()
 g.b = 2
 print g.a
 print g.b
+print g.__class__
+print g.__dict__.items()