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Adds pymqtt support to your Python application.

Project description

pymqtt

pymqtt is a mqtt python client library extension meant to facilitate the integration of a MQTT client into your web application. Basically it is a thin wrapper around the paho-mqtt package to simplify MQTT integration in a python application. MQTT is a machine-to-machine (M2M)/”Internet of Things” (IoT) protocol which is designed as a lightweight publish/subscribe messaging transport. It comes very handy when trying to connect multiple IoT devices with each other or monitor and control these devices from one or multiple clients.

Installing

Install and update using pip:

$ pip install -U pymqtt

A Simple Example

import logging

from flask import Flask

from pymqtt import Mqtt

logging.basicConfig(format='%(asctime)s %(process)d,%(threadName)s %(filename)s:%(lineno)d [%(levelname)s] %(message)s',
                    datefmt='%Y-%m-%d %H:%M:%S',
                    level=logging.INFO)

logger = logging.getLogger(__name__)

app = Flask(__name__)

app.config.setdefault('MQTT_IP', '127.0.0.1')
app.config.setdefault('MQTT_PORT', 1883)
app.config.setdefault('MQTT_USER', 'user')
app.config.setdefault('MQTT_PASSWORD', 'password')

fmqtt = Mqtt()
fmqtt.config_from_obj(app.config)


@app.route('/')
def hello_world():
    content = 'hello world'
    success = fmqtt.publish('hell world', 'topic', qos=2)
    return 'send %s success %s' % (content, success)


@fmqtt.subscribe(topic='topic', qos=2)
def flask_rabmq_test(body):
    logger.info(body)
    return True


if __name__ == '__main__':
    fmqtt.run()
    app.run()

Project details


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