127 lines
4.0 KiB
Python
127 lines
4.0 KiB
Python
"""Support for Dyson Pure Cool Air Quality Sensors."""
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import logging
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from homeassistant.components.air_quality import AirQualityEntity, DOMAIN
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from . import DYSON_DEVICES
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ATTRIBUTION = 'Dyson purifier air quality sensor'
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_LOGGER = logging.getLogger(__name__)
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DYSON_AIQ_DEVICES = 'dyson_aiq_devices'
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ATTR_VOC = 'volatile_organic_compounds'
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the Dyson Sensors."""
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from libpurecool.dyson_pure_cool import DysonPureCool
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if discovery_info is None:
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return
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hass.data.setdefault(DYSON_AIQ_DEVICES, [])
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# Get Dyson Devices from parent component
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device_ids = [device.unique_id for device in hass.data[DYSON_AIQ_DEVICES]]
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for device in hass.data[DYSON_DEVICES]:
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if isinstance(device, DysonPureCool) and \
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device.serial not in device_ids:
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hass.data[DYSON_AIQ_DEVICES].append(DysonAirSensor(device))
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add_entities(hass.data[DYSON_AIQ_DEVICES])
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class DysonAirSensor(AirQualityEntity):
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"""Representation of a generic Dyson air quality sensor."""
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def __init__(self, device):
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"""Create a new generic air quality Dyson sensor."""
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self._device = device
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self._old_value = None
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self._name = device.name
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async def async_added_to_hass(self):
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"""Call when entity is added to hass."""
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self.hass.async_add_executor_job(
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self._device.add_message_listener, self.on_message)
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def on_message(self, message):
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"""Handle new messages which are received from the fan."""
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from libpurecool.dyson_pure_state_v2 import \
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DysonEnvironmentalSensorV2State
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_LOGGER.debug('%s: Message received for %s device: %s',
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DOMAIN, self.name, message)
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if (self._old_value is None or
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self._old_value != self._device.environmental_state) and \
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isinstance(message, DysonEnvironmentalSensorV2State):
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self._old_value = self._device.environmental_state
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self.schedule_update_ha_state()
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@property
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def should_poll(self):
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"""No polling needed."""
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return False
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@property
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def name(self):
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"""Return the name of the Dyson sensor."""
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return self._name
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@property
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def attribution(self):
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"""Return the attribution."""
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return ATTRIBUTION
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@property
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def air_quality_index(self):
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"""Return the Air Quality Index (AQI)."""
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return max(self.particulate_matter_2_5,
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self.particulate_matter_10,
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self.nitrogen_dioxide,
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self.volatile_organic_compounds)
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@property
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def particulate_matter_2_5(self):
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"""Return the particulate matter 2.5 level."""
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if self._device.environmental_state:
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return int(self._device.environmental_state.particulate_matter_25)
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return None
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@property
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def particulate_matter_10(self):
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"""Return the particulate matter 10 level."""
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if self._device.environmental_state:
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return int(self._device.environmental_state.particulate_matter_10)
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return None
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@property
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def nitrogen_dioxide(self):
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"""Return the NO2 (nitrogen dioxide) level."""
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if self._device.environmental_state:
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return int(self._device.environmental_state.nitrogen_dioxide)
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return None
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@property
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def volatile_organic_compounds(self):
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"""Return the VOC (Volatile Organic Compounds) level."""
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if self._device.environmental_state:
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return int(self._device.
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environmental_state.volatile_organic_compounds)
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return None
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@property
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def unique_id(self):
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"""Return the sensor's unique id."""
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return self._device.serial
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@property
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def device_state_attributes(self):
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"""Return the device state attributes."""
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data = {}
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voc = self.volatile_organic_compounds
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if voc is not None:
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data[ATTR_VOC] = voc
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return data
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