MQTT tools.
Project description
MQTT Tools
Requires Python 3.7 or later!
NOTE: This project is far from complete. Lots of MQTT features are not implemented yet, and those implemented are probably buggy.
Features:
asyncio MQTT 5.0 client (under development).
MQTT 5.0 specification: https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html
Examples
Command line
Subscribe
Connect to given MQTT broker and subscribe to a topic. All received messages are printed to standard output.
$ mqttools subscribe /test/#
Topic: /test
Message: 11
Topic: /test/mqttools/foo
Message: bar
Publish
Connect to given MQTT broker and publish a message to a topic.
$ mqttools publish /test/mqttools/foo bar
Published 1 message(s) in 0 seconds from 1 concurrent task(s).
Publish multiple messages as quickly as possible with --count to benchmark the client and the broker.
$ mqttools publish --count 100 --qos 1 /test/mqttools/foo
Published 100 message(s) in 0.39 seconds from 10 concurrent task(s).
Monitor
Connect to given MQTT broker and monitor given topics in a text based user interface.
$ mqttools monitor /test/#
The menu at the bottom of the monitor shows the available commands.
Quit: Quit the monitor. Ctrl-C can be used as well.
Play/Pause: Toggle between playing and paused (or running and freezed).
Scripting
Subscribe
An example connecting to an MQTT broker, subscribing to the topic /test/#, and printing all published messaged.
import asyncio
import mqttools
async def subscriber():
client = mqttools.Client('broker.hivemq.com', 1883)
await client.start()
await client.subscribe('/test/#', 0)
while True:
topic, message = await client.messages.get()
if topic is None:
print('Broker connection lost!')
break
print(f'Topic: {topic}')
print(f'Message: {message}')
asyncio.run(subscriber())
Publish
An example connecting to an MQTT broker and publishing the message bar to the topic /test/mqttools/foo.
import asyncio
import mqttools
async def publisher():
client = mqttools.Client('broker.hivemq.com', 1883)
await client.start()
await client.publish('/test/mqttools/foo', b'bar', 0)
await client.stop()
asyncio.run(publisher())
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