bin/tracker_service.py

@@ -137,6 +137,7 @@ class TrackerService(webservice_base_class):
         self.db = security_db.DB(db_name)
         self.json_data = None # the JSON dump itself
         self.json_timestamp = None # timestamp of JSON generation
+        self.json_last_modified = None
         self.register('', self.page_home)
         self.register('*', self.page_object)
         self.register('redirect/*', self.page_redirect)
@@ -1452,14 +1453,15 @@ Debian bug number.'''),
         # store the JSON dump in memory, and update the generation
         # timestamp before returning
         new_data = json.dumps(data, separators=(',', ':'))
+        self.json_timestamp = time.time()
         if new_data != self.json_data:
             self.json_data = new_data
-            self.json_timestamp = time.time()
+            self.json_last_modified = self.json_timestamp
         return self.json_data
 
     def page_json(self, path, params, url):
         result = BinaryResult(self._get_json(),'application/json')
-        result.headers['Last-Modified'] = email.utils.formatdate(self.json_timestamp, usegmt=True)
+        result.headers['Last-Modified'] = email.utils.formatdate(self.json_last_modified, usegmt=True)
         return result
 
     def page_debsecan(self, path, params, url):