mirror of
https://github.com/home-assistant/core
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58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
"""Allows reading temperatures from ecoal/esterownik.pl controller."""
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from homeassistant.components.sensor import SensorEntity
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from homeassistant.const import DEVICE_CLASS_TEMPERATURE, TEMP_CELSIUS
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from . import AVAILABLE_SENSORS, DATA_ECOAL_BOILER
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the ecoal sensors."""
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if discovery_info is None:
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return
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devices = []
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ecoal_contr = hass.data[DATA_ECOAL_BOILER]
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for sensor_id in discovery_info:
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name = AVAILABLE_SENSORS[sensor_id]
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devices.append(EcoalTempSensor(ecoal_contr, name, sensor_id))
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add_entities(devices, True)
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class EcoalTempSensor(SensorEntity):
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"""Representation of a temperature sensor using ecoal status data."""
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def __init__(self, ecoal_contr, name, status_attr):
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"""Initialize the sensor."""
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self._ecoal_contr = ecoal_contr
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self._name = name
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self._status_attr = status_attr
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self._state = None
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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 native_value(self):
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"""Return the state of the sensor."""
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return self._state
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@property
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def device_class(self):
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"""Return the class of this device, from component DEVICE_CLASSES."""
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return DEVICE_CLASS_TEMPERATURE
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@property
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def native_unit_of_measurement(self):
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"""Return the unit of measurement."""
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return TEMP_CELSIUS
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def update(self):
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"""Fetch new state data for the sensor.
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This is the only method that should fetch new data for Home Assistant.
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"""
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# Old values read 0.5 back can still be used
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status = self._ecoal_contr.get_cached_status()
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self._state = getattr(status, self._status_attr)
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