bugfix: get same obj for different obj_id

gm_serializer/__init__.py

-__version__ = '0.0.5'
+__version__ = '0.0.6'
 __author__ = 'gushitong@gmei.com'
 
 

gm_serializer/fields/descriptor.py

@@ -25,13 +25,17 @@ class MagicDescriptor(object):
         if instance is None:
             return self
 
+        related_obj_pk = getattr(instance, "%s_id" % self.field.attname)
+
         if getattr(instance, self.lazy_name, False):
-            return getattr(instance, "%s_id" % self.field.attname)
+            return related_obj_pk
 
         try:
             lazy_obj = getattr(instance, self.cache_name)
             logger.debug("Magic Hit ObjCache: %s:%s" % (self.field.attname, lazy_obj['id']))
         except AttributeError:
+            # update field pk_list, or you always get the same.
+            self.field.accessor.pk_list = [related_obj_pk]
             lazy_obj = self.field.accessor.get_object()
             setattr(instance, self.cache_name, lazy_obj)
         return lazy_obj