.

longs/models.py

@@ -120,6 +120,8 @@ class Long(models.Model):
         help_text="If the json cache needs updating", default=False
     )
 
+    json_creation_time = models.DateTimeField(blank=True)
+
     #question_file = models.FileField(upload_to=question_file_directory_path, blank=True, null=True)
 
     def get_absolute_url(self):
@@ -175,11 +177,11 @@ class Long(models.Model):
         url= "{0}longs/questions/{1}.json".format(settings.MEDIA_URL, question_id)
         with open(path, "w+") as f:
 
+            # We manually create the json for long questions to reducem memroy usade
             f.write("""{{
             "title": "{}",
-            "image_titles": "{}",
             "type": "long",
-            "generated": "long",
+            "generated": "{}",
             """.format(q.history, datetime.datetime.now().isoformat())
             )
 
@@ -209,6 +211,8 @@ class Long(models.Model):
             f.write('"image_titles" : {} }}'.format(json.dumps(image_titles)))
 
 
+        self.json_creation_time = datetime.datetime.now()
+        self.save()
 
         #exam_question = {
         #    "title": q.history,