async def publish_values(self):
with PubSub.Listener(self.hub) as queue:
while True:
key, value = await queue.get()
try:
mapping = self.mappings[key]
except KeyError:
continue
if mapping.mode == Mapping.MODE_WRITEONLY:
continue
if mapping.throttle:
try:
last_send = self.last_send[mapping.key]
except KeyError:
last_send = 0
if last_send + mapping.throttle > time.time():
continue
await self.client.publish(self.write_topic(mapping.key),
mapping.formatter.to_mqtt(value))
self.last_send[mapping.key] = time.time()
async def printer(hub, ignored_topics=frozenset()):
with PubSub.Listener(hub) as queue:
while True:
key, msg = await queue.get()
if key not in ignored_topics:
print(f'Reader for key {key} got message: {msg}')