54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
"""Platform for sensor integration."""
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from __future__ import annotations
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from homeassistant.components.sensor import SensorEntity
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from homeassistant.const import TEMP_CELSIUS
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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from . import DOMAIN
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def setup_platform(
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hass: HomeAssistant,
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config: ConfigType,
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add_entities: AddEntitiesCallback,
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discovery_info: DiscoveryInfoType | None = None
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) -> None:
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"""Set up the sensor platform."""
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# We only want this platform to be set up via discovery.
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if discovery_info is None:
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return
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add_entities([ExampleSensor()])
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class ExampleSensor(SensorEntity):
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"""Representation of a sensor."""
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def __init__(self) -> None:
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"""Initialize the sensor."""
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self._state = None
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@property
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def name(self) -> str:
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"""Return the name of the sensor."""
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return 'Example Temperature'
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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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@property
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def unit_of_measurement(self) -> str:
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"""Return the unit of measurement."""
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return TEMP_CELSIUS
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def update(self) -> None:
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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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self._state = self.hass.data[DOMAIN]['temperature']
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