Merge pull request #24 from wiseman/louder_errors

Make exceptions in the mqtt message handler more... noticeable.

axis-ptz/camera.py

@@ -279,7 +279,14 @@ def update_config(config):
 #############################################
 ## MQTT Callback Function ##
 #############################################
+
 def on_message(client, userdata, message):
+ try:
+ return on_message_impl(client, userdata, message)
+ except Exception as exc: 
+ logging.exception("Error in MQTT message callback: %s", exc)
+
+def on_message_impl(client, userdata, message):
  global currentPlane
  global object_timeout
  global camera_longitude
@@ -296,13 +303,14 @@ def on_message(client, userdata, message):
  #payload = json.loads(messsage.payload) # you can use json.loads to convert string to json
  except JSONDecodeError as e:
  # do whatever you want
- print(e)
+ logging.exception("Error decoding message as JSON: %s", e)
  except TypeError as e:
+ logging.exception("Error decoding message as JSON: %s", e)
  # do whatever you want in this case
- print(e)
  except ValueError as e:
- print(e)
+ logging.exception("Error decoding message as JSON: %s", e)
  except:
+ logging.exception("Error decoding message as JSON: %s", e)
  print("Caught it!")
 
  if message.topic == object_topic: