100 lines
2.6 KiB
Python
100 lines
2.6 KiB
Python
"""
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Support for Melissa climate Sensors.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/sensor.melissa/
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"""
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import logging
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from homeassistant.components.melissa import DATA_MELISSA
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from homeassistant.const import TEMP_CELSIUS
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from homeassistant.helpers.entity import Entity
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DEPENDENCIES = ['melissa']
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_LOGGER = logging.getLogger(__name__)
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Setup the melissa sensor platform."""
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sensors = []
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api = hass.data[DATA_MELISSA]
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devices = api.fetch_devices().values()
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for device in devices:
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if device['type'] == 'melissa':
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sensors.append(MelissaTemperatureSensor(device, api))
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sensors.append(MelissaHumiditySensor(device, api))
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add_devices(sensors)
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class MelissaSensor(Entity):
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"""Representation of a Melissa Sensor."""
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_type = 'generic'
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def __init__(self, device, api):
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"""Initialize the sensor."""
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self._api = api
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self._state = None
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self._name = '{0} {1}'.format(
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device['name'],
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self._type
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)
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self._serial = device['serial_number']
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self._data = device['controller_log']
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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@property
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def state(self):
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"""Return the state of the sensor."""
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return self._state
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def update(self):
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"""Fetch status from melissa."""
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self._data = self._api.status(cached=True)
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class MelissaTemperatureSensor(MelissaSensor):
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"""Representation of a Melissa temperature Sensor."""
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_type = 'temperature'
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_unit = TEMP_CELSIUS
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@property
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def unit_of_measurement(self):
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"""Return the unit of measurement."""
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return self._unit
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def update(self):
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"""Fetch new state data for the sensor."""
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super().update()
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try:
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self._state = self._data[self._serial]['temp']
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except KeyError:
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_LOGGER.warning("Unable to get temperature for %s", self.entity_id)
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class MelissaHumiditySensor(MelissaSensor):
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"""Representation of a Melissa humidity Sensor."""
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_type = 'humidity'
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_unit = '%'
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@property
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def unit_of_measurement(self):
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"""Return the unit of measurement."""
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return self._unit
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def update(self):
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"""Fetch new state data for the sensor."""
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super().update()
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try:
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self._state = self._data[self._serial]['humidity']
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except KeyError:
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_LOGGER.warning("Unable to get humidity for %s", self.entity_id)
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