HBMQTT is an open source MQTT client and broker implementation.

Built on top of asyncio, Python's standard asynchronous I/O framework, HBMQTT provides a straightforward API based on coroutines, making it easy to write highly concurrent applications.

HBMQTT is no longer maintained. There is a fork aqmtt under active development by different people. See here for some background.

HBMQTT implements the full set of MQTT 3.1.1 protocol specifications and provides the following features:

• Support QoS 0, QoS 1 and QoS 2 messages flow
• Client auto-reconnection on network lost
• Authentication through password file (more methods can be added through a plugin system)
• Basic $SYS topics
• TCP and websocket support
• SSL support over TCP and websocket
• Plugin system

hbmqtt is available on Pypi and can installed simply using pip : :

$ pip install hbmqtt

Documentation is available on Read the Docs.

Bug reports, patches and suggestions welcome! Just open an issue or join the gitter channel.