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cnc-service/src/mqtt_methods.py
Torma Kristóf 422a7efa6f
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2020-07-20 18:19:31 +02:00

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Python

#!/usr/bin/env python3
import logging
from mqtt_flask_instance import mqtt
from db import db
from schemas import DeviceSchema
"""
MQTT Stuff
"""
__author__ = "@tormakris"
__copyright__ = "Copyright 2020, Birbnetes Team"
__module_name__ = "mqtt_methods"
__version__text__ = "1"
deviceschema = DeviceSchema(many=False)
LOGGER = logging.getLogger(__name__)
@mqtt.on_message()
def handle_status_message(client, userdata, message):
data = dict(
topic=message.topic,
payload=message.payload.decode()
)
try:
status_message = deviceschema.load(data['payload'], session=db.session, transient=True).data
LOGGER.info(f"Recieved status message from {data['payload']['id']}, persisting to db.")
db.session.merge(status_message)
except Exception as e:
db.session.rollback()
LOGGER.exception(e)
else:
db.session.commit()