core/homeassistant/components/nmbs/sensor.py

440 lines
14 KiB
Python

"""Get ride details and liveboard details for NMBS (Belgian railway)."""
from __future__ import annotations
import logging
from typing import Any
from pyrail import iRail
import voluptuous as vol
from homeassistant.components.sensor import (
PLATFORM_SCHEMA as SENSOR_PLATFORM_SCHEMA,
SensorEntity,
)
from homeassistant.config_entries import SOURCE_IMPORT, ConfigEntry
from homeassistant.const import (
ATTR_LATITUDE,
ATTR_LONGITUDE,
CONF_NAME,
CONF_PLATFORM,
CONF_SHOW_ON_MAP,
UnitOfTime,
)
from homeassistant.core import DOMAIN as HOMEASSISTANT_DOMAIN, HomeAssistant
from homeassistant.helpers import config_validation as cv
from homeassistant.helpers.entity_platform import (
AddConfigEntryEntitiesCallback,
AddEntitiesCallback,
)
from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from homeassistant.util import dt as dt_util
from .const import ( # noqa: F401
CONF_EXCLUDE_VIAS,
CONF_STATION_FROM,
CONF_STATION_LIVE,
CONF_STATION_TO,
DOMAIN,
PLATFORMS,
find_station,
find_station_by_name,
)
_LOGGER = logging.getLogger(__name__)
API_FAILURE = -1
DEFAULT_NAME = "NMBS"
DEFAULT_ICON = "mdi:train"
DEFAULT_ICON_ALERT = "mdi:alert-octagon"
PLATFORM_SCHEMA = SENSOR_PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_STATION_FROM): cv.string,
vol.Required(CONF_STATION_TO): cv.string,
vol.Optional(CONF_STATION_LIVE): cv.string,
vol.Optional(CONF_EXCLUDE_VIAS, default=False): cv.boolean,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_SHOW_ON_MAP, default=False): cv.boolean,
}
)
def get_time_until(departure_time=None):
"""Calculate the time between now and a train's departure time."""
if departure_time is None:
return 0
delta = dt_util.utc_from_timestamp(int(departure_time)) - dt_util.now()
return round(delta.total_seconds() / 60)
def get_delay_in_minutes(delay=0):
"""Get the delay in minutes from a delay in seconds."""
return round(int(delay) / 60)
def get_ride_duration(departure_time, arrival_time, delay=0):
"""Calculate the total travel time in minutes."""
duration = dt_util.utc_from_timestamp(
int(arrival_time)
) - dt_util.utc_from_timestamp(int(departure_time))
duration_time = int(round(duration.total_seconds() / 60))
return duration_time + get_delay_in_minutes(delay)
async def async_setup_platform(
hass: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the NMBS sensor with iRail API."""
if config[CONF_PLATFORM] == DOMAIN:
if CONF_SHOW_ON_MAP not in config:
config[CONF_SHOW_ON_MAP] = False
if CONF_EXCLUDE_VIAS not in config:
config[CONF_EXCLUDE_VIAS] = False
station_types = [CONF_STATION_FROM, CONF_STATION_TO, CONF_STATION_LIVE]
for station_type in station_types:
station = (
find_station_by_name(hass, config[station_type])
if station_type in config
else None
)
if station is None and station_type in config:
async_create_issue(
hass,
DOMAIN,
"deprecated_yaml_import_issue_station_not_found",
breaks_in_ha_version="2025.7.0",
is_fixable=False,
issue_domain=DOMAIN,
severity=IssueSeverity.WARNING,
translation_key="deprecated_yaml_import_issue_station_not_found",
translation_placeholders={
"domain": DOMAIN,
"integration_title": "NMBS",
"station_name": config[station_type],
"url": "/config/integrations/dashboard/add?domain=nmbs",
},
)
return
hass.async_create_task(
hass.config_entries.flow.async_init(
DOMAIN,
context={"source": SOURCE_IMPORT},
data=config,
)
)
async_create_issue(
hass,
HOMEASSISTANT_DOMAIN,
f"deprecated_yaml_{DOMAIN}",
breaks_in_ha_version="2025.7.0",
is_fixable=False,
issue_domain=DOMAIN,
severity=IssueSeverity.WARNING,
translation_key="deprecated_yaml",
translation_placeholders={
"domain": DOMAIN,
"integration_title": "NMBS",
},
)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up NMBS sensor entities based on a config entry."""
api_client = iRail()
name = config_entry.data.get(CONF_NAME, None)
show_on_map = config_entry.data.get(CONF_SHOW_ON_MAP, False)
excl_vias = config_entry.data.get(CONF_EXCLUDE_VIAS, False)
station_from = find_station(hass, config_entry.data[CONF_STATION_FROM])
station_to = find_station(hass, config_entry.data[CONF_STATION_TO])
# setup the connection from station to station
# setup a disabled liveboard for both from and to station
async_add_entities(
[
NMBSSensor(
api_client, name, show_on_map, station_from, station_to, excl_vias
),
NMBSLiveBoard(
api_client, station_from, station_from, station_to, excl_vias
),
NMBSLiveBoard(api_client, station_to, station_from, station_to, excl_vias),
]
)
class NMBSLiveBoard(SensorEntity):
"""Get the next train from a station's liveboard."""
_attr_attribution = "https://api.irail.be/"
def __init__(
self,
api_client: iRail,
live_station: dict[str, Any],
station_from: dict[str, Any],
station_to: dict[str, Any],
excl_vias: bool,
) -> None:
"""Initialize the sensor for getting liveboard data."""
self._station = live_station
self._api_client = api_client
self._station_from = station_from
self._station_to = station_to
self._excl_vias = excl_vias
self._attrs: dict[str, Any] | None = {}
self._state: str | None = None
self.entity_registry_enabled_default = False
@property
def name(self) -> str:
"""Return the sensor default name."""
return f"Trains in {self._station['standardname']}"
@property
def unique_id(self) -> str:
"""Return the unique ID."""
unique_id = (
f"{self._station['id']}_{self._station_from['id']}_{self._station_to['id']}"
)
vias = "_excl_vias" if self._excl_vias else ""
return f"nmbs_live_{unique_id}{vias}"
@property
def icon(self) -> str:
"""Return the default icon or an alert icon if delays."""
if self._attrs and int(self._attrs["delay"]) > 0:
return DEFAULT_ICON_ALERT
return DEFAULT_ICON
@property
def native_value(self) -> str | None:
"""Return sensor state."""
return self._state
@property
def extra_state_attributes(self) -> dict[str, Any] | None:
"""Return the sensor attributes if data is available."""
if self._state is None or not self._attrs:
return None
delay = get_delay_in_minutes(self._attrs["delay"])
departure = get_time_until(self._attrs["time"])
attrs = {
"departure": f"In {departure} minutes",
"departure_minutes": departure,
"extra_train": int(self._attrs["isExtra"]) > 0,
"vehicle_id": self._attrs["vehicle"],
"monitored_station": self._station["standardname"],
}
if delay > 0:
attrs["delay"] = f"{delay} minutes"
attrs["delay_minutes"] = delay
return attrs
def update(self) -> None:
"""Set the state equal to the next departure."""
liveboard = self._api_client.get_liveboard(self._station["id"])
if liveboard == API_FAILURE:
_LOGGER.warning("API failed in NMBSLiveBoard")
return
if not (departures := liveboard.get("departures")):
_LOGGER.warning("API returned invalid departures: %r", liveboard)
return
_LOGGER.debug("API returned departures: %r", departures)
if departures["number"] == "0":
# No trains are scheduled
return
next_departure = departures["departure"][0]
self._attrs = next_departure
self._state = (
f"Track {next_departure['platform']} - {next_departure['station']}"
)
class NMBSSensor(SensorEntity):
"""Get the total travel time for a given connection."""
_attr_attribution = "https://api.irail.be/"
_attr_native_unit_of_measurement = UnitOfTime.MINUTES
def __init__(
self,
api_client: iRail,
name: str,
show_on_map: bool,
station_from: dict[str, Any],
station_to: dict[str, Any],
excl_vias: bool,
) -> None:
"""Initialize the NMBS connection sensor."""
self._name = name
self._show_on_map = show_on_map
self._api_client = api_client
self._station_from = station_from
self._station_to = station_to
self._excl_vias = excl_vias
self._attrs: dict[str, Any] | None = {}
self._state = None
@property
def unique_id(self) -> str:
"""Return the unique ID."""
unique_id = f"{self._station_from['id']}_{self._station_to['id']}"
vias = "_excl_vias" if self._excl_vias else ""
return f"nmbs_connection_{unique_id}{vias}"
@property
def name(self) -> str:
"""Return the name of the sensor."""
if self._name is None:
return f"Train from {self._station_from['standardname']} to {self._station_to['standardname']}"
return self._name
@property
def icon(self) -> str:
"""Return the sensor default icon or an alert icon if any delay."""
if self._attrs:
delay = get_delay_in_minutes(self._attrs["departure"]["delay"])
if delay > 0:
return "mdi:alert-octagon"
return "mdi:train"
@property
def extra_state_attributes(self) -> dict[str, Any] | None:
"""Return sensor attributes if data is available."""
if self._state is None or not self._attrs:
return None
delay = get_delay_in_minutes(self._attrs["departure"]["delay"])
departure = get_time_until(self._attrs["departure"]["time"])
canceled = int(self._attrs["departure"]["canceled"])
attrs = {
"destination": self._attrs["departure"]["station"],
"direction": self._attrs["departure"]["direction"]["name"],
"platform_arriving": self._attrs["arrival"]["platform"],
"platform_departing": self._attrs["departure"]["platform"],
"vehicle_id": self._attrs["departure"]["vehicle"],
}
if canceled != 1:
attrs["departure"] = f"In {departure} minutes"
attrs["departure_minutes"] = departure
attrs["canceled"] = False
else:
attrs["departure"] = None
attrs["departure_minutes"] = None
attrs["canceled"] = True
if self._show_on_map and self.station_coordinates:
attrs[ATTR_LATITUDE] = self.station_coordinates[0]
attrs[ATTR_LONGITUDE] = self.station_coordinates[1]
if self.is_via_connection and not self._excl_vias:
via = self._attrs["vias"]["via"][0]
attrs["via"] = via["station"]
attrs["via_arrival_platform"] = via["arrival"]["platform"]
attrs["via_transfer_platform"] = via["departure"]["platform"]
attrs["via_transfer_time"] = get_delay_in_minutes(
via["timebetween"]
) + get_delay_in_minutes(via["departure"]["delay"])
if delay > 0:
attrs["delay"] = f"{delay} minutes"
attrs["delay_minutes"] = delay
return attrs
@property
def native_value(self) -> int | None:
"""Return the state of the device."""
return self._state
@property
def station_coordinates(self) -> list[float]:
"""Get the lat, long coordinates for station."""
if self._state is None or not self._attrs:
return []
latitude = float(self._attrs["departure"]["stationinfo"]["locationY"])
longitude = float(self._attrs["departure"]["stationinfo"]["locationX"])
return [latitude, longitude]
@property
def is_via_connection(self) -> bool:
"""Return whether the connection goes through another station."""
if not self._attrs:
return False
return "vias" in self._attrs and int(self._attrs["vias"]["number"]) > 0
def update(self) -> None:
"""Set the state to the duration of a connection."""
connections = self._api_client.get_connections(
self._station_from["id"], self._station_to["id"]
)
if connections == API_FAILURE:
_LOGGER.warning("API failed in NMBSSensor")
return
if not (connection := connections.get("connection")):
_LOGGER.warning("API returned invalid connection: %r", connections)
return
_LOGGER.debug("API returned connection: %r", connection)
if int(connection[0]["departure"]["left"]) > 0:
next_connection = connection[1]
else:
next_connection = connection[0]
self._attrs = next_connection
if self._excl_vias and self.is_via_connection:
_LOGGER.debug(
"Skipping update of NMBSSensor because this connection is a via"
)
return
duration = get_ride_duration(
next_connection["departure"]["time"],
next_connection["arrival"]["time"],
next_connection["departure"]["delay"],
)
self._state = duration