mirror of https://github.com/home-assistant/core
81 lines
2.4 KiB
Python
81 lines
2.4 KiB
Python
"""Sensor for checking the status of London Underground tube lines."""
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from __future__ import annotations
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import logging
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from typing import Any
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from london_tube_status import TubeData
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import voluptuous as vol
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from homeassistant.components.sensor import (
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PLATFORM_SCHEMA as SENSOR_PLATFORM_SCHEMA,
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SensorEntity,
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)
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from homeassistant.core import HomeAssistant
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from homeassistant.exceptions import PlatformNotReady
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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import homeassistant.helpers.config_validation as cv
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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 homeassistant.helpers.update_coordinator import CoordinatorEntity
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from .const import CONF_LINE, TUBE_LINES
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from .coordinator import LondonTubeCoordinator
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_LOGGER = logging.getLogger(__name__)
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PLATFORM_SCHEMA = SENSOR_PLATFORM_SCHEMA.extend(
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{vol.Required(CONF_LINE): vol.All(cv.ensure_list, [vol.In(list(TUBE_LINES))])}
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)
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async def async_setup_platform(
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hass: HomeAssistant,
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config: ConfigType,
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async_add_entities: AddEntitiesCallback,
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discovery_info: DiscoveryInfoType | None = None,
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) -> None:
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"""Set up the Tube sensor."""
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session = async_get_clientsession(hass)
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data = TubeData(session)
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coordinator = LondonTubeCoordinator(hass, data)
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await coordinator.async_refresh()
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if not coordinator.last_update_success:
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raise PlatformNotReady
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async_add_entities(
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LondonTubeSensor(coordinator, line) for line in config[CONF_LINE]
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)
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class LondonTubeSensor(CoordinatorEntity[LondonTubeCoordinator], SensorEntity):
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"""Sensor that reads the status of a line from Tube Data."""
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_attr_attribution = "Powered by TfL Open Data"
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_attr_icon = "mdi:subway"
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def __init__(self, coordinator: LondonTubeCoordinator, name: str) -> None:
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"""Initialize the London Underground sensor."""
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super().__init__(coordinator)
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self._name = name
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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 self._name
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@property
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def native_value(self) -> str:
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"""Return the state of the sensor."""
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return self.coordinator.data[self.name]["State"]
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@property
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def extra_state_attributes(self) -> dict[str, Any]:
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"""Return other details about the sensor state."""
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return {"Description": self.coordinator.data[self.name]["Description"]}
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