def distance(self, lat: float, lon: float) -> Optional[float]:
"""Calculate distance from Open Peer Power.
Async friendly.
"""
return self.units.length(
location.distance(self.latitude, self.longitude, lat, lon), "m"
)
def test_get_distance():
"""Test getting the distance."""
meters = location_util.distance(
COORDINATES_PARIS[0],
COORDINATES_PARIS[1],
COORDINATES_NEW_YORK[0],
COORDINATES_NEW_YORK[1],
)
assert meters / 1000 - DISTANCE_KM < 0.01
def test_get_distance_to_same_place():
"""Test getting the distance."""
meters = location_util.distance(
COORDINATES_PARIS[0],
COORDINATES_PARIS[1],
COORDINATES_PARIS[0],
COORDINATES_PARIS[1],
)
assert meters == 0
def distance(opp, *args):
"""Calculate distance.
Will calculate distance from home to a point or between points.
Points can be passed in using state objects or lat/lng coordinates.
"""
locations = []
to_process = list(args)
while to_process:
value = to_process.pop(0)
if isinstance(value, str) and not valid_entity_id(value):
point_state = None
else:
point_state = _resolve_state(opp, value)
if point_state is None:
# We expect this and next value to be lat&lng
if not to_process:
_LOGGER.warning(
"Distance:Expected latitude and longitude, got %s", value)
return None
value_2 = to_process.pop(0)
latitude = convert(value, float)
longitude = convert(value_2, float)
if latitude is None or longitude is None:
_LOGGER.warning(
"Distance:Unable to process latitude and longitude: %s, %s",
value,
value_2,
)
return None
else:
if not loc_helper.has_location(point_state):
_LOGGER.warning(
"Distance:State does not contain valid location: %s",
point_state)
return None
latitude = point_state.attributes.get(ATTR_LATITUDE)
longitude = point_state.attributes.get(ATTR_LONGITUDE)
locations.append((latitude, longitude))
if len(locations) == 1:
return opp.config.distance(*locations[0])
return opp.config.units.length(
loc_util.distance(*locations[0] + locations[1]), LENGTH_METERS)
async def async_setup_platform(opp,
config,
async_add_entities,
discovery_info=None):
"""Set up the CityBikes platform."""
if PLATFORM not in opp.data:
opp.data[PLATFORM] = {MONITORED_NETWORKS: {}}
latitude = config.get(CONF_LATITUDE, opp.config.latitude)
longitude = config.get(CONF_LONGITUDE, opp.config.longitude)
network_id = config.get(CONF_NETWORK)
stations_list = set(config.get(CONF_STATIONS_LIST, []))
radius = config.get(CONF_RADIUS, 0)
name = config[CONF_NAME]
if not opp.config.units.is_metric:
radius = distance.convert(radius, LENGTH_FEET, LENGTH_METERS)
# Create a single instance of CityBikesNetworks.
networks = opp.data.setdefault(CITYBIKES_NETWORKS, CityBikesNetworks(opp))
if not network_id:
network_id = await networks.get_closest_network_id(latitude, longitude)
if network_id not in opp.data[PLATFORM][MONITORED_NETWORKS]:
network = CityBikesNetwork(opp, network_id)
opp.data[PLATFORM][MONITORED_NETWORKS][network_id] = network
opp.async_create_task(network.async_refresh())
async_track_time_interval(opp, network.async_refresh, SCAN_INTERVAL)
else:
network = opp.data[PLATFORM][MONITORED_NETWORKS][network_id]
await network.ready.wait()
devices = []
for station in network.stations:
dist = location.distance(latitude, longitude, station[ATTR_LATITUDE],
station[ATTR_LONGITUDE])
station_id = station[ATTR_ID]
station_uid = str(station.get(ATTR_EXTRA, {}).get(ATTR_UID, ""))
if radius > dist or stations_list.intersection(
(station_id, station_uid)):
if name:
uid = "_".join([network.network_id, name, station_id])
else:
uid = "_".join([network.network_id, station_id])
entity_id = async_generate_entity_id(ENTITY_ID_FORMAT,
uid,
opp=opp)
devices.append(CityBikesStation(network, station_id, entity_id))
async_add_entities(devices, True)
def in_zone(zone: State,
latitude: float,
longitude: float,
radius: float = 0) -> bool:
"""Test if given latitude, longitude is in given zone.
Async friendly.
"""
zone_dist = distance(
latitude,
longitude,
zone.attributes[ATTR_LATITUDE],
zone.attributes[ATTR_LONGITUDE],
)
if zone_dist is None or zone.attributes[ATTR_RADIUS] is None:
return False
return zone_dist - radius < cast(float, zone.attributes[ATTR_RADIUS])
def closest(latitude: float, longitude: float,
states: Sequence[State]) -> Optional[State]:
"""Return closest state to point.
Async friendly.
"""
with_location = [state for state in states if has_location(state)]
if not with_location:
return None
return min(
with_location,
key=lambda state: loc_util.distance(
state.attributes.get(ATTR_LATITUDE),
state.attributes.get(ATTR_LONGITUDE),
latitude,
longitude,
),
)
def async_active_zone(opp: OpenPeerPower,
latitude: float,
longitude: float,
radius: int = 0) -> State | None:
"""Find the active zone for given latitude, longitude.
This method must be run in the event loop.
"""
# Sort entity IDs so that we are deterministic if equal distance to 2 zones
zones = (cast(State, opp.states.get(entity_id))
for entity_id in sorted(opp.states.async_entity_ids(DOMAIN)))
min_dist = None
closest = None
for zone in zones:
if zone.state == STATE_UNAVAILABLE or zone.attributes.get(
ATTR_PASSIVE):
continue
zone_dist = distance(
latitude,
longitude,
zone.attributes[ATTR_LATITUDE],
zone.attributes[ATTR_LONGITUDE],
)
if zone_dist is None:
continue
within_zone = zone_dist - radius < zone.attributes[ATTR_RADIUS]
closer_zone = closest is None or zone_dist < min_dist # type: ignore
smaller_zone = (zone_dist == min_dist
and zone.attributes[ATTR_RADIUS] < cast(
State, closest).attributes[ATTR_RADIUS])
if within_zone and (closer_zone or smaller_zone):
min_dist = zone_dist
closest = zone
return closest
def update(self):
"""Update device state."""
currently_tracked = set()
flight_metadata = {}
states = self._session.get(OPENSKY_API_URL).json().get(ATTR_STATES)
for state in states:
flight = dict(zip(OPENSKY_API_FIELDS, state))
callsign = flight[ATTR_CALLSIGN].strip()
if callsign != "":
flight_metadata[callsign] = flight
else:
continue
missing_location = (flight.get(ATTR_LONGITUDE) is None
or flight.get(ATTR_LATITUDE) is None)
if missing_location:
continue
if flight.get(ATTR_ON_GROUND):
continue
distance = util_location.distance(
self._latitude,
self._longitude,
flight.get(ATTR_LATITUDE),
flight.get(ATTR_LONGITUDE),
)
if distance is None or distance > self._radius:
continue
altitude = flight.get(ATTR_ALTITUDE)
if altitude > self._altitude and self._altitude != 0:
continue
currently_tracked.add(callsign)
if self._previously_tracked is not None:
entries = currently_tracked - self._previously_tracked
exits = self._previously_tracked - currently_tracked
self._handle_boundary(entries, EVENT_OPENSKY_ENTRY,
flight_metadata)
self._handle_boundary(exits, EVENT_OPENSKY_EXIT, flight_metadata)
self._state = len(currently_tracked)
self._previously_tracked = currently_tracked
async def get_closest_network_id(self, latitude, longitude):
"""Return the id of the network closest to provided location."""
try:
await self.networks_loading.acquire()
if self.networks is None:
networks = await async_citybikes_request(
self.opp, NETWORKS_URI, NETWORKS_RESPONSE_SCHEMA)
self.networks = networks[ATTR_NETWORKS_LIST]
result = None
minimum_dist = None
for network in self.networks:
network_latitude = network[ATTR_LOCATION][ATTR_LATITUDE]
network_longitude = network[ATTR_LOCATION][ATTR_LONGITUDE]
dist = location.distance(latitude, longitude, network_latitude,
network_longitude)
if minimum_dist is None or dist < minimum_dist:
minimum_dist = dist
result = network[ATTR_ID]
return result
except CityBikesRequestError as err:
raise PlatformNotReady from err
finally:
self.networks_loading.release()
def check_proximity_state_change(self, entity, old_state, new_state):
"""Perform the proximity checking."""
entity_name = new_state.name
devices_to_calculate = False
devices_in_zone = ""
zone_state = self.opp.states.get(self.proximity_zone)
proximity_latitude = zone_state.attributes.get(ATTR_LATITUDE)
proximity_longitude = zone_state.attributes.get(ATTR_LONGITUDE)
# Check for devices in the monitored zone.
for device in self.proximity_devices:
device_state = self.opp.states.get(device)
if device_state is None:
devices_to_calculate = True
continue
if device_state.state not in self.ignored_zones:
devices_to_calculate = True
# Check the location of all devices.
if (device_state.state).lower() == (self.friendly_name).lower():
device_friendly = device_state.name
if devices_in_zone != "":
devices_in_zone = f"{devices_in_zone}, "
devices_in_zone = devices_in_zone + device_friendly
# No-one to track so reset the entity.
if not devices_to_calculate:
self.dist_to = "not set"
self.dir_of_travel = "not set"
self.nearest = "not set"
self.schedule_update_op_state()
return
# At least one device is in the monitored zone so update the entity.
if devices_in_zone != "":
self.dist_to = 0
self.dir_of_travel = "arrived"
self.nearest = devices_in_zone
self.schedule_update_op_state()
return
# We can't check proximity because latitude and longitude don't exist.
if "latitude" not in new_state.attributes:
return
# Collect distances to the zone for all devices.
distances_to_zone = {}
for device in self.proximity_devices:
# Ignore devices in an ignored zone.
device_state = self.opp.states.get(device)
if device_state.state in self.ignored_zones:
continue
# Ignore devices if proximity cannot be calculated.
if "latitude" not in device_state.attributes:
continue
# Calculate the distance to the proximity zone.
dist_to_zone = distance(
proximity_latitude,
proximity_longitude,
device_state.attributes[ATTR_LATITUDE],
device_state.attributes[ATTR_LONGITUDE],
)
# Add the device and distance to a dictionary.
distances_to_zone[device] = round(
convert(dist_to_zone, LENGTH_METERS, self.unit_of_measurement),
1)
# Loop through each of the distances collected and work out the
# closest.
closest_device: str = None
dist_to_zone: float = None
for device in distances_to_zone:
if not dist_to_zone or distances_to_zone[device] < dist_to_zone:
closest_device = device
dist_to_zone = distances_to_zone[device]
# If the closest device is one of the other devices.
if closest_device != entity:
self.dist_to = round(distances_to_zone[closest_device])
self.dir_of_travel = "unknown"
device_state = self.opp.states.get(closest_device)
self.nearest = device_state.name
self.schedule_update_op_state()
return
# Stop if we cannot calculate the direction of travel (i.e. we don't
# have a previous state and a current LAT and LONG).
if old_state is None or "latitude" not in old_state.attributes:
self.dist_to = round(distances_to_zone[entity])
self.dir_of_travel = "unknown"
self.nearest = entity_name
self.schedule_update_op_state()
return
# Reset the variables
distance_travelled = 0
# Calculate the distance travelled.
old_distance = distance(
proximity_latitude,
proximity_longitude,
old_state.attributes[ATTR_LATITUDE],
old_state.attributes[ATTR_LONGITUDE],
)
new_distance = distance(
proximity_latitude,
proximity_longitude,
new_state.attributes[ATTR_LATITUDE],
new_state.attributes[ATTR_LONGITUDE],
)
distance_travelled = round(new_distance - old_distance, 1)
# Check for tolerance
if distance_travelled < self.tolerance * -1:
direction_of_travel = "towards"
elif distance_travelled > self.tolerance:
direction_of_travel = "away_from"
else:
direction_of_travel = "stationary"
# Update the proximity entity
self.dist_to = round(dist_to_zone)
self.dir_of_travel = direction_of_travel
self.nearest = entity_name
self.schedule_update_op_state()
_LOGGER.debug(
"proximity.%s update entity: distance=%s: direction=%s: device=%s",
self.friendly_name,
round(dist_to_zone),
direction_of_travel,
entity_name,
)
_LOGGER.info("%s: proximity calculation complete", entity_name)
def _determine_interval(self) -> int:
"""Calculate new interval between two API fetch (in minutes)."""
intervals = {"default": self._max_interval}
for device in self._devices.values():
# Max interval if no location
if device.location is None:
continue
current_zone = run_callback_threadsafe(
self.opp.loop,
async_active_zone,
self.opp,
device.location[DEVICE_LOCATION_LATITUDE],
device.location[DEVICE_LOCATION_LONGITUDE],
device.location[DEVICE_LOCATION_HORIZONTAL_ACCURACY],
).result()
# Max interval if in zone
if current_zone is not None:
continue
zones = (
self.opp.states.get(entity_id)
for entity_id in sorted(self.opp.states.entity_ids("zone")))
distances = []
for zone_state in zones:
zone_state_lat = zone_state.attributes[
DEVICE_LOCATION_LATITUDE]
zone_state_long = zone_state.attributes[
DEVICE_LOCATION_LONGITUDE]
zone_distance = distance(
device.location[DEVICE_LOCATION_LATITUDE],
device.location[DEVICE_LOCATION_LONGITUDE],
zone_state_lat,
zone_state_long,
)
distances.append(round(zone_distance / 1000, 1))
# Max interval if no zone
if not distances:
continue
mindistance = min(distances)
# Calculate out how long it would take for the device to drive
# to the nearest zone at 120 km/h:
interval = round(mindistance / 2, 0)
# Never poll more than once per minute
interval = max(interval, 1)
if interval > 180:
# Three hour drive?
# This is far enough that they might be flying
interval = self._max_interval
if (device.battery_level is not None and device.battery_level <= 33
and mindistance > 3):
# Low battery - let's check half as often
interval = interval * 2
intervals[device.name] = interval
return max(
int(min(intervals.items(), key=operator.itemgetter(1))[1]),
self._max_interval,
)
