Ticket #3435: serialize_file_stream.patch

django/core/serializers/base.py

@@ -107 +107 @@
         """
         Return the fully serialized queryset.
         """
-        return self.stream.getvalue()
+        # The file type doesn't have a getvalue method, so we'll do this
+        # carefully.
+        getvalue = getattr(self.stream, 'getvalue', None)
+        if getvalue and callable(getvalue):
+            return getvalue()
 
 class Deserializer(object):
     """

django/core/serializers/json.py

@@ -19 +19 @@
         simplejson.dump(self.objects, self.stream, cls=DateTimeAwareJSONEncoder, **self.options)
         
     def getvalue(self):
-        return self.stream.getvalue()
+        # The file type doesn't have a getvalue method, so we'll do this
+        # carefully.
+        getvalue = getattr(self.stream, 'getvalue', None)
+        if getvalue and callable(getvalue):
+            return getvalue()
 
 def Deserializer(stream_or_string, **options):
     """