a08bab7b18
* Create esphomelib component * Update requirements * Remove python 2 string literals * MVP * Remove config flow * Remove config flow translations * Use dispatcher more * Use data classes * Type Hints * Cleanup on remove * Use helper and cleanup * Fix HA stop listener cleanup * Add config flow * Fix SyntaxError for Py3.5 * Update * Lint * Re-do tests * ✨ Rename to ESPHome * Better error message for resolve errors * Fix tests when aioesphomeapi not installed * Refactor mock * Update requirements * Add strings.json * 🍵 100% config flow test coverage
62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
"""Support for esphome sensors."""
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import logging
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import math
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from typing import Optional, TYPE_CHECKING
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from homeassistant.components.esphome import EsphomeEntity, \
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platform_async_setup_entry
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.helpers.typing import HomeAssistantType
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if TYPE_CHECKING:
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# pylint: disable=unused-import
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from aioesphomeapi import SensorInfo, SensorState # noqa
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DEPENDENCIES = ['esphome']
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(hass: HomeAssistantType,
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entry: ConfigEntry, async_add_entities) -> None:
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"""Set up esphome sensors based on a config entry."""
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# pylint: disable=redefined-outer-name
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from aioesphomeapi import SensorInfo, SensorState # noqa
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await platform_async_setup_entry(
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hass, entry, async_add_entities,
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component_key='sensor',
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info_type=SensorInfo, entity_type=EsphomeSensor,
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state_type=SensorState
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)
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class EsphomeSensor(EsphomeEntity):
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"""A sensor implementation for esphome."""
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@property
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def _static_info(self) -> 'SensorInfo':
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return super()._static_info
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@property
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def _state(self) -> Optional['SensorState']:
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return super()._state
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@property
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def icon(self) -> str:
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"""Return the icon."""
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return self._static_info.icon
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@property
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def state(self) -> Optional[str]:
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"""Return the state of the entity."""
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if self._state is None:
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return None
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if math.isnan(self._state.state):
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return None
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return '{:.{prec}f}'.format(
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self._state.state, prec=self._static_info.accuracy_decimals)
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@property
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def unit_of_measurement(self) -> str:
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"""Return the unit the value is expressed in."""
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return self._static_info.unit_of_measurement
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