fastapi-mqtt is extension for MQTT protocol
Project description
fastapi-mqtt
MQTT is a lightweight publish/subscribe messaging protocol designed for M2M (machine to machine) telemetry in low bandwidth environments. Fastapi-mqtt is the client for working with MQTT.
For more information about MQTT, please refer to here: MQTT
Fatapi-mqtt wraps around gmqtt module. Gmqtt Python async client for MQTT client implementation. Module has support of MQTT version 5.0 protocol
Documentation: FastApi-MQTT
The key feature are:
MQTT specification avaliable with help decarator methods using callbacks:
-
on_connect()
-
on_disconnect()
-
on_subscribe()
-
on_message()
-
Base Settings available with
pydantic
class -
Authetication to broker with credentials
-
unsubscribe certain topics and publish to certain topics
🔨 Installation
$ pip install fastapi-mqtt
🕹 Guide
from fastapi import FastAPI
from fastapi_mqtt import FastMQTT, MQTTConfig
app = FastAPI()
mqtt_config = MQTTConfig()
mqtt = FastMQTT(
config=mqtt_config
)
mqtt.init_app(app)
@mqtt.on_connect()
def connect(client, flags, rc, properties):
mqtt.client.subscribe("/mqtt") #subscribing mqtt topic
print("Connected: ", client, flags, rc, properties)
@mqtt.on_message()
async def message(client, topic, payload, qos, properties):
print("Received message: ",topic, payload.decode(), qos, properties)
@mqtt.on_disconnect()
def disconnect(client, packet, exc=None):
print("Disconnected")
@mqtt.on_subscribe()
def subscribe(client, mid, qos, properties):
print("subscribed", client, mid, qos, properties)
Publish method:
async def func():
mqtt.publish("/mqtt", "Hello from Fastapi") #publishing mqtt topic
return {"result": True,"message":"Published" }
Subscribe method:
@mqtt.on_connect()
def connect(client, flags, rc, properties):
mqtt.client.subscribe("/mqtt") #subscribing mqtt topic
print("Connected: ", client, flags, rc, properties)
Changing connection params
mqtt_config = MQTTConfig(host = "mqtt.mosquito.org",
port= 1883,
keepalive = 60,
username="username",
password="strong_password")
mqtt = FastMQTT(
config=mqtt_config)
Contributing
Fell free to open issue and send pull request.
Thanks To Contributors. Contributions of any kind are welcome!
Before you start please read CONTRIBUTING
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