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81 lines
1.9 KiB
81 lines
1.9 KiB
try:
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import json
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except ImportError:
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import ujson as json
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def sensor(cls):
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Sensor.register(cls)
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return cls
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class Sensor(object):
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hostname = None
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platform = None
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_sensor_classes = {}
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_mqtt_callbacks = {}
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HAS_SENSOR_DATA = True
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def __init__(self, id, name, type, pin, description, **sensor_conf):
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self.id = id
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self.name = name
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self.type = type
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self.pin = pin
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self.description = description
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@classmethod
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def configure(cls, hostname, platform):
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cls.hostname = hostname
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cls.platform = platform
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@classmethod
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def register(cls, new_cls):
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cls._sensor_classes[new_cls.sensor_class] = new_cls
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@classmethod
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def make_sensor(cls, **kwargs):
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sensor_cls = cls._sensor_classes[kwargs['type']]
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return sensor_cls(**kwargs)
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def get_data(self):
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raise NotImplementedError("You missed a spot!")
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def gen_datapoint(self, legacy=True):
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return {
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'type': 'measurement',
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'tags': {
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'name': self.name,
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'sub-id': self.id,
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'sensor': self.type,
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'hostname': self.hostname,
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'platform': self.platform,
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},
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'fields': self.get_data()
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}
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def register_callbacks(self):
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pass
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def get_mqtt_topics(self):
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return []
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@classmethod
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def register_callback(cls, mqtt_topic, callback):
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cls._mqtt_callbacks[mqtt_topic] = callback
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@classmethod
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def run_mqtt_callback(cls, mqtt_topic, data):
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try:
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data = json.loads(data)
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except ValueError:
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print("Could not parse data {}".format(data))
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if mqtt_topic in cls._mqtt_callbacks:
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cls._mqtt_callbacks[mqtt_topic](data)
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else:
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print("Unknown callback for", mqtt_topic)
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def get_topics(self):
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return []
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