逻辑修改

SystemUpdater/UpdateManager.py

@@ -163,12 +163,10 @@ class UpdateManager():
 
     def refresh_cache(self):
         _success = True
-        header = None
-        desc = None
+        header = ''
+        desc = ''
         try:
             self.update_list = UpdateList()
-            
-            #第一次进入 之后update不进入
             if self.cache is None:
                 self.cache = MyCache(None)
             else:

SystemUpdater/UpdateManagerDbus.py

@@ -96,7 +96,11 @@ class UpdateManagerDbusController(dbus.service.Object):
     def Quit(self, caller_name):
         """Request a shutdown of the daemon."""
         self.CancelDownload()
-        unLockedEnableShutdown()
+        try:
+            logging.info("file unlocked")
+            unLockedEnableShutdown()
+        except:
+            logging.error("File lock release failure")
         logging.info("Quitting was requested")
         logging.debug("Quitting main loop...")
         mainloop.quit()

kylin-system-updater

@@ -25,10 +25,6 @@ FORMAT_DEBUG = '%(asctime)-15s %(levelname)s(%(filename)s:%(lineno)d):%(message)
 
 def signal_handler_term(signal, frame):
     # type: (int, object) -> None
-    try:
-      logging.info("SIGTERM received,file unlocked")
-    except:
-      logging.error("File lock release failure")
     logging.warning("SIGTERM received, will stop")
     app.dbusController.Quit(None)