57 lines
1.6 KiB
Python
57 lines
1.6 KiB
Python
import json
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import logging
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import re
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from queue import Queue
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import paho.mqtt.client as mqtt
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LOG = logging.getLogger('MQTTQueue')
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class MQTTQueue:
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def __init__(self, config, queue):
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self.config = config
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self.client = mqtt.Client()
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self.queue = queue
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self.client.on_connect = self.on_connect
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self.client.on_disconnect = self.on_disconnect
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self.client.on_message = self.on_mqtt_message
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def start(self):
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if self.config['mqtt'].get('user') and self.config['mqtt'].get('password'):
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self.client.username_pw_set(
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self.config['mqtt']['user'], self.config['mqtt']['password']
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)
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self.client.connect(self.config['mqtt']['host'], 1883, 60)
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self.client.loop_start()
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def stop(self):
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self.client.loop_stop()
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self.client.disconnect()
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def on_connect(self, client, userdata, flags, rc):
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LOG.info(f'Connected to MQTT with code {rc}')
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self.client.subscribe(self.config['mqtt']['topic'])
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LOG.info(f'Subscribed')
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def on_disconnect(self, client, userdata, rc):
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LOG.warning(f'Disconnected from MQTT with code {rc}')
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def on_mqtt_message(self, client, userdata, msg):
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try:
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data = json.loads(msg.payload.decode('utf-8'))
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text = re.sub(r'\<[a-z\/]+\>', '', data['msg'])
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self.queue.put(
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(
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data['level'].lower(),
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data['component'],
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text,
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)
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)
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except Exception as e:
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LOG.exception(msg.payload)
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