core/homeassistant/components/delijn/sensor.py

128 lines
3.7 KiB
Python

"""Support for De Lijn (Flemish public transport) information."""
from __future__ import annotations
from datetime import datetime
import logging
from pydelijn.api import Passages
from pydelijn.common import HttpException
import voluptuous as vol
from homeassistant.components.sensor import (
PLATFORM_SCHEMA as SENSOR_PLATFORM_SCHEMA,
SensorDeviceClass,
SensorEntity,
)
from homeassistant.const import CONF_API_KEY
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
_LOGGER = logging.getLogger(__name__)
ATTRIBUTION = "Data provided by data.delijn.be"
CONF_NEXT_DEPARTURE = "next_departure"
CONF_STOP_ID = "stop_id"
CONF_NUMBER_OF_DEPARTURES = "number_of_departures"
DEFAULT_NAME = "De Lijn"
PLATFORM_SCHEMA = SENSOR_PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_API_KEY): cv.string,
vol.Required(CONF_NEXT_DEPARTURE): [
{
vol.Required(CONF_STOP_ID): cv.string,
vol.Optional(CONF_NUMBER_OF_DEPARTURES, default=5): cv.positive_int,
}
],
}
)
AUTO_ATTRIBUTES = (
"line_number_public",
"line_transport_type",
"final_destination",
"due_at_schedule",
"due_at_realtime",
"is_realtime",
)
async def async_setup_platform(
hass: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Create the sensor."""
api_key = config[CONF_API_KEY]
session = async_get_clientsession(hass)
async_add_entities(
(
DeLijnPublicTransportSensor(
Passages(
nextpassage[CONF_STOP_ID],
nextpassage[CONF_NUMBER_OF_DEPARTURES],
api_key,
session,
True,
)
)
for nextpassage in config[CONF_NEXT_DEPARTURE]
),
True,
)
class DeLijnPublicTransportSensor(SensorEntity):
"""Representation of a Ruter sensor."""
_attr_attribution = ATTRIBUTION
_attr_device_class = SensorDeviceClass.TIMESTAMP
_attr_icon = "mdi:bus"
def __init__(self, line):
"""Initialize the sensor."""
self.line = line
self._attr_extra_state_attributes = {}
async def async_update(self) -> None:
"""Get the latest data from the De Lijn API."""
try:
await self.line.get_passages()
self._attr_name = await self.line.get_stopname()
except HttpException:
self._attr_available = False
_LOGGER.error("De Lijn http error")
return
self._attr_extra_state_attributes["stopname"] = self._attr_name
if not self.line.passages:
self._attr_available = False
return
try:
first = self.line.passages[0]
if (first_passage := first["due_at_realtime"]) is None:
first_passage = first["due_at_schedule"]
self._attr_native_value = datetime.strptime(
first_passage, "%Y-%m-%dT%H:%M:%S%z"
)
for key in AUTO_ATTRIBUTES:
self._attr_extra_state_attributes[key] = first[key]
self._attr_extra_state_attributes["next_passages"] = self.line.passages
self._attr_available = True
except KeyError as error:
_LOGGER.error("Invalid data received from De Lijn: %s", error)
self._attr_available = False