def _get_logentry(self, msg):
"""
Logs the receipt of a message from the queue.
:param msg: kombu.transport.base.Message instance.
:return: None
"""
# No validation at this point so form log whatever fields you can find.
try:
data = json_loads(msg.body)
data.update(msg.headers)
fields = ['message_name', 'from', 'correlation_id', 'sequence']
parts = ["%s: %s" % (field, data[field]) for field in fields if
field in data]
if not parts:
return "Could Not Find Values in %s" % data
return "RECIEVED %s" % (", ".join(parts),)
except ValueError:
return "Could not decode msg body %r" % msg.body
def _route_message(self, router, msg):
"""
Sends the original message to the appropriate dispatcher provided by router.
:param router: TaskRouter instance to dispatch this message.
:param msg: kombu.transport.base.Message to decode and dispatch.
"""
current_time = datetime.now()
if not self._is_alive(msg, current_time):
msg.ack()
raise DPNMessageError(
"Message TTL has expired. Message headers details %s | body details %s. Current time: %s" %
(msg.headers, msg.body, current_time)
)
decoded_body = json_loads(msg.body)
try:
message_name = decoded_body['message_name']
except KeyError:
raise DPNMessageError(
"Invalid message received with no 'message_body' set!")
router.dispatch(message_name, msg, decoded_body)