235 lines
7.8 KiB
Python
235 lines
7.8 KiB
Python
"""Train information for departures and delays, provided by Trafikverket."""
|
|
from __future__ import annotations
|
|
|
|
from datetime import date, datetime, time, timedelta
|
|
import logging
|
|
from typing import Any
|
|
|
|
from pytrafikverket import TrafikverketTrain
|
|
from pytrafikverket.trafikverket_train import TrainStop
|
|
import voluptuous as vol
|
|
|
|
from homeassistant.components.sensor import (
|
|
PLATFORM_SCHEMA,
|
|
SensorDeviceClass,
|
|
SensorEntity,
|
|
)
|
|
from homeassistant.const import CONF_API_KEY, CONF_NAME, CONF_WEEKDAY, WEEKDAYS
|
|
from homeassistant.core import HomeAssistant
|
|
from homeassistant.helpers.aiohttp_client import async_get_clientsession
|
|
import homeassistant.helpers.config_validation as cv
|
|
from homeassistant.helpers.entity_platform import AddEntitiesCallback
|
|
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
|
|
from homeassistant.util.dt import as_utc, get_time_zone
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
CONF_TRAINS = "trains"
|
|
CONF_FROM = "from"
|
|
CONF_TO = "to"
|
|
CONF_TIME = "time"
|
|
|
|
ATTR_DEPARTURE_STATE = "departure_state"
|
|
ATTR_CANCELED = "canceled"
|
|
ATTR_DELAY_TIME = "number_of_minutes_delayed"
|
|
ATTR_PLANNED_TIME = "planned_time"
|
|
ATTR_ESTIMATED_TIME = "estimated_time"
|
|
ATTR_ACTUAL_TIME = "actual_time"
|
|
ATTR_OTHER_INFORMATION = "other_information"
|
|
ATTR_DEVIATIONS = "deviations"
|
|
|
|
ICON = "mdi:train"
|
|
SCAN_INTERVAL = timedelta(minutes=5)
|
|
STOCKHOLM_TIMEZONE = get_time_zone("Europe/Stockholm")
|
|
|
|
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
|
|
{
|
|
vol.Required(CONF_API_KEY): cv.string,
|
|
vol.Required(CONF_TRAINS): [
|
|
{
|
|
vol.Required(CONF_NAME): cv.string,
|
|
vol.Required(CONF_TO): cv.string,
|
|
vol.Required(CONF_FROM): cv.string,
|
|
vol.Optional(CONF_TIME): cv.time,
|
|
vol.Optional(CONF_WEEKDAY, default=WEEKDAYS): vol.All(
|
|
cv.ensure_list, [vol.In(WEEKDAYS)]
|
|
),
|
|
}
|
|
],
|
|
}
|
|
)
|
|
|
|
|
|
async def async_setup_platform(
|
|
hass: HomeAssistant,
|
|
config: ConfigType,
|
|
async_add_entities: AddEntitiesCallback,
|
|
discovery_info: DiscoveryInfoType | None = None,
|
|
) -> None:
|
|
"""Set up the departure sensor."""
|
|
httpsession = async_get_clientsession(hass)
|
|
train_api = TrafikverketTrain(httpsession, config[CONF_API_KEY])
|
|
sensors = []
|
|
station_cache = {}
|
|
for train in config[CONF_TRAINS]:
|
|
try:
|
|
trainstops = [train[CONF_FROM], train[CONF_TO]]
|
|
for station in trainstops:
|
|
if station not in station_cache:
|
|
station_cache[station] = await train_api.async_get_train_station(
|
|
station
|
|
)
|
|
|
|
except ValueError as station_error:
|
|
if "Invalid authentication" in station_error.args[0]:
|
|
_LOGGER.error("Unable to set up up component: %s", station_error)
|
|
return
|
|
_LOGGER.error(
|
|
"Problem when trying station %s to %s. Error: %s ",
|
|
train[CONF_FROM],
|
|
train[CONF_TO],
|
|
station_error,
|
|
)
|
|
continue
|
|
|
|
sensor = TrainSensor(
|
|
train_api,
|
|
train[CONF_NAME],
|
|
station_cache[train[CONF_FROM]],
|
|
station_cache[train[CONF_TO]],
|
|
train[CONF_WEEKDAY],
|
|
train.get(CONF_TIME),
|
|
)
|
|
sensors.append(sensor)
|
|
|
|
async_add_entities(sensors, update_before_add=True)
|
|
|
|
|
|
def next_weekday(fromdate: date, weekday: int) -> date:
|
|
"""Return the date of the next time a specific weekday happen."""
|
|
days_ahead = weekday - fromdate.weekday()
|
|
if days_ahead <= 0:
|
|
days_ahead += 7
|
|
return fromdate + timedelta(days_ahead)
|
|
|
|
|
|
def next_departuredate(departure: list[str]) -> date:
|
|
"""Calculate the next departuredate from an array input of short days."""
|
|
today_date = date.today()
|
|
today_weekday = date.weekday(today_date)
|
|
if WEEKDAYS[today_weekday] in departure:
|
|
return today_date
|
|
for day in departure:
|
|
next_departure = WEEKDAYS.index(day)
|
|
if next_departure > today_weekday:
|
|
return next_weekday(today_date, next_departure)
|
|
return next_weekday(today_date, WEEKDAYS.index(departure[0]))
|
|
|
|
|
|
def _to_iso_format(traintime: datetime) -> str:
|
|
"""Return isoformatted utc time."""
|
|
return as_utc(traintime.replace(tzinfo=STOCKHOLM_TIMEZONE)).isoformat()
|
|
|
|
|
|
class TrainSensor(SensorEntity):
|
|
"""Contains data about a train depature."""
|
|
|
|
_attr_icon = ICON
|
|
_attr_device_class = SensorDeviceClass.TIMESTAMP
|
|
|
|
def __init__(
|
|
self,
|
|
train_api: TrafikverketTrain,
|
|
name: str,
|
|
from_station: str,
|
|
to_station: str,
|
|
weekday: list,
|
|
departuretime: time,
|
|
) -> None:
|
|
"""Initialize the sensor."""
|
|
self._train_api = train_api
|
|
self._attr_name = name
|
|
self._from_station = from_station
|
|
self._to_station = to_station
|
|
self._weekday = weekday
|
|
self._time = departuretime
|
|
|
|
async def async_update(self) -> None:
|
|
"""Retrieve latest state."""
|
|
when = datetime.now()
|
|
_state: TrainStop | None = None
|
|
if self._time:
|
|
departure_day = next_departuredate(self._weekday)
|
|
when = datetime.combine(departure_day, self._time).replace(
|
|
tzinfo=STOCKHOLM_TIMEZONE
|
|
)
|
|
try:
|
|
if self._time:
|
|
_state = await self._train_api.async_get_train_stop(
|
|
self._from_station, self._to_station, when
|
|
)
|
|
else:
|
|
|
|
_state = await self._train_api.async_get_next_train_stop(
|
|
self._from_station, self._to_station, when
|
|
)
|
|
except ValueError as output_error:
|
|
_LOGGER.error("Departure %s encountered a problem: %s", when, output_error)
|
|
|
|
if not _state:
|
|
self._attr_available = False
|
|
self._attr_native_value = None
|
|
self._attr_extra_state_attributes = {}
|
|
return
|
|
|
|
self._attr_available = True
|
|
|
|
# The original datetime doesn't provide a timezone so therefore attaching it here.
|
|
self._attr_native_value = _state.advertised_time_at_location.replace(
|
|
tzinfo=STOCKHOLM_TIMEZONE
|
|
)
|
|
if _state.time_at_location:
|
|
self._attr_native_value = _state.time_at_location.replace(
|
|
tzinfo=STOCKHOLM_TIMEZONE
|
|
)
|
|
if _state.estimated_time_at_location:
|
|
self._attr_native_value = _state.estimated_time_at_location.replace(
|
|
tzinfo=STOCKHOLM_TIMEZONE
|
|
)
|
|
|
|
self._update_attributes(_state)
|
|
|
|
def _update_attributes(self, state: TrainStop) -> None:
|
|
"""Return extra state attributes."""
|
|
|
|
attributes: dict[str, Any] = {
|
|
ATTR_DEPARTURE_STATE: state.get_state().name,
|
|
ATTR_CANCELED: state.canceled,
|
|
ATTR_DELAY_TIME: None,
|
|
ATTR_PLANNED_TIME: None,
|
|
ATTR_ESTIMATED_TIME: None,
|
|
ATTR_ACTUAL_TIME: None,
|
|
ATTR_OTHER_INFORMATION: None,
|
|
ATTR_DEVIATIONS: None,
|
|
}
|
|
|
|
if delay_in_minutes := state.get_delay_time():
|
|
attributes[ATTR_DELAY_TIME] = delay_in_minutes.total_seconds() / 60
|
|
|
|
if advert_time := state.advertised_time_at_location:
|
|
attributes[ATTR_PLANNED_TIME] = _to_iso_format(advert_time)
|
|
|
|
if est_time := state.estimated_time_at_location:
|
|
attributes[ATTR_ESTIMATED_TIME] = _to_iso_format(est_time)
|
|
|
|
if time_location := state.time_at_location:
|
|
attributes[ATTR_ACTUAL_TIME] = _to_iso_format(time_location)
|
|
|
|
if other_info := state.other_information:
|
|
attributes[ATTR_OTHER_INFORMATION] = ", ".join(other_info)
|
|
|
|
if deviation := state.deviations:
|
|
attributes[ATTR_DEVIATIONS] = ", ".join(deviation)
|
|
|
|
self._attr_extra_state_attributes = attributes
|