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670bf0641a
* Update london-tube-status for TfL API breaking change The TfL API used by the london_underground component (through the london-tube-status module) introduced breaking changes recently, which in turn broke the component, and require updating the london-tube-status dependency to fix. However the newer module versions also introduced other changes, including switching from requests to aiohttp, which require converting the london_underground component to use async APIs. Fixes #73442 * Update sensor.py Co-authored-by: Erik Montnemery <erik@montnemery.com>
104 lines
2.7 KiB
Python
104 lines
2.7 KiB
Python
"""Sensor for checking the status of London Underground tube lines."""
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from __future__ import annotations
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from datetime import timedelta
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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 PLATFORM_SCHEMA, SensorEntity
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from homeassistant.const import ATTR_ATTRIBUTION
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from homeassistant.core import HomeAssistant
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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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ATTRIBUTION = "Powered by TfL Open Data"
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CONF_LINE = "line"
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ICON = "mdi:subway"
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SCAN_INTERVAL = timedelta(seconds=30)
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TUBE_LINES = [
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"Bakerloo",
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"Central",
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"Circle",
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"District",
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"DLR",
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"Hammersmith & City",
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"Jubilee",
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"London Overground",
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"Metropolitan",
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"Northern",
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"Piccadilly",
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"TfL Rail",
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"Victoria",
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"Waterloo & City",
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]
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PLATFORM_SCHEMA = 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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await data.update()
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sensors = []
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for line in config[CONF_LINE]:
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sensors.append(LondonTubeSensor(line, data))
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async_add_entities(sensors, True)
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class LondonTubeSensor(SensorEntity):
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"""Sensor that reads the status of a line from Tube Data."""
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def __init__(self, name, data):
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"""Initialize the London Underground sensor."""
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self._data = data
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self._description = None
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self._name = name
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self._state = None
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self.attrs = {ATTR_ATTRIBUTION: ATTRIBUTION}
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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 icon(self):
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"""Icon to use in the frontend, if any."""
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return ICON
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@property
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def extra_state_attributes(self):
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"""Return other details about the sensor state."""
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self.attrs["Description"] = self._description
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return self.attrs
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async def async_update(self):
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"""Update the sensor."""
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await self._data.update()
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self._state = self._data.data[self.name]["State"]
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self._description = self._data.data[self.name]["Description"]
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