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https://github.com/PiBrewing/craftbeerpi4.git
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3724f76faa
- mqtt sensor is now also working after changing the configuration - config.yaml accepts now also 'true' besides 'True' to activate mqtt
62 lines
2 KiB
Python
62 lines
2 KiB
Python
# -*- coding: utf-8 -*-
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import asyncio
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from cbpi.api import parameters, Property, CBPiSensor
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from cbpi.api import *
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import logging
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import json
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@parameters([Property.Text(label="Topic", configurable=True, description="MQTT Topic"),
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Property.Text(label="PayloadDictionary", configurable=True, default_value="",
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description="Where to find msg in payload, leave blank for raw payload")])
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class MQTTSensor(CBPiSensor):
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def __init__(self, cbpi, id, props):
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super(MQTTSensor, self).__init__(cbpi, id, props)
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self.Topic = self.props.get("Topic", None)
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self.payload_text = self.props.get("PayloadDictionary", None)
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if self.payload_text != None:
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self.payload_text = self.payload_text.split('.')
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self.mqtt_task = self.cbpi.satellite.subcribe(self.Topic, self.on_message)
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self.value: int = 0
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async def on_message(self, message):
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val = json.loads(message)
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try:
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if self.payload_text is not None:
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for key in self.payload_text:
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val = val.get(key, None)
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if isinstance(val, (int, float, str)):
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self.value = float(val)
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self.log_data(self.value)
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self.push_update(self.value)
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except Exception as e:
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logging.info("MQTT Sensor Error {}".format(e))
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async def run(self):
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while self.running:
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await asyncio.sleep(1)
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def get_state(self):
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return dict(value=self.value)
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async def on_stop(self):
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if self.mqtt_task.done() is False:
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self.mqtt_task.cancel()
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try:
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await self.mqtt_task
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except asyncio.CancelledError:
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pass
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def setup(cbpi):
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'''
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This method is called by the server during startup
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Here you need to register your plugins at the server
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:param cbpi: the cbpi core
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:return:
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'''
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if str(cbpi.static_config.get("mqtt", False)).lower() == "true":
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cbpi.plugin.register("MQTTSensor", MQTTSensor)
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