Add uk_transport component. (#8600)

This commit is contained in:
Robin 2017-07-26 20:49:52 +01:00 committed by Lewis Juggins
parent 3318f02664
commit 3b4ea864a1
4 changed files with 989 additions and 0 deletions

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"""Support for UK public transport data provided by transportapi.com.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.uk_transport/
"""
import logging
import re
from datetime import datetime, timedelta
import requests
import voluptuous as vol
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.helpers.entity import Entity
from homeassistant.util import Throttle
import homeassistant.helpers.config_validation as cv
_LOGGER = logging.getLogger(__name__)
ATTR_ATCOCODE = 'atcocode'
ATTR_LOCALITY = 'locality'
ATTR_STOP_NAME = 'stop_name'
ATTR_REQUEST_TIME = 'request_time'
ATTR_NEXT_BUSES = 'next_buses'
ATTR_STATION_CODE = 'station_code'
ATTR_CALLING_AT = 'calling_at'
ATTR_NEXT_TRAINS = 'next_trains'
CONF_API_APP_KEY = 'app_key'
CONF_API_APP_ID = 'app_id'
CONF_QUERIES = 'queries'
CONF_MODE = 'mode'
CONF_ORIGIN = 'origin'
CONF_DESTINATION = 'destination'
_QUERY_SCHEME = vol.Schema({
vol.Required(CONF_MODE):
vol.All(cv.ensure_list, [vol.In(list(['bus', 'train']))]),
vol.Required(CONF_ORIGIN): cv.string,
vol.Required(CONF_DESTINATION): cv.string,
})
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_API_APP_ID): cv.string,
vol.Required(CONF_API_APP_KEY): cv.string,
vol.Required(CONF_QUERIES): [_QUERY_SCHEME],
})
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Get the uk_transport sensor."""
sensors = []
number_sensors = len(config.get(CONF_QUERIES))
interval = timedelta(seconds=87*number_sensors)
for query in config.get(CONF_QUERIES):
if 'bus' in query.get(CONF_MODE):
stop_atcocode = query.get(CONF_ORIGIN)
bus_direction = query.get(CONF_DESTINATION)
sensors.append(
UkTransportLiveBusTimeSensor(
config.get(CONF_API_APP_ID),
config.get(CONF_API_APP_KEY),
stop_atcocode,
bus_direction,
interval))
elif 'train' in query.get(CONF_MODE):
station_code = query.get(CONF_ORIGIN)
calling_at = query.get(CONF_DESTINATION)
sensors.append(
UkTransportLiveTrainTimeSensor(
config.get(CONF_API_APP_ID),
config.get(CONF_API_APP_KEY),
station_code,
calling_at,
interval))
add_devices(sensors, True)
class UkTransportSensor(Entity):
"""
Sensor that reads the UK transport web API.
transportapi.com provides comprehensive transport data for UK train, tube
and bus travel across the UK via simple JSON API. Subclasses of this
base class can be used to access specific types of information.
"""
TRANSPORT_API_URL_BASE = "https://transportapi.com/v3/uk/"
ICON = 'mdi:train'
def __init__(self, name, api_app_id, api_app_key, url):
"""Initialize the sensor."""
self._data = {}
self._api_app_id = api_app_id
self._api_app_key = api_app_key
self._url = self.TRANSPORT_API_URL_BASE + url
self._name = name
self._state = None
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def state(self):
"""Return the state of the sensor."""
return self._state
@property
def unit_of_measurement(self):
"""Return the unit this state is expressed in."""
return "min"
@property
def icon(self):
"""Icon to use in the frontend, if any."""
return self.ICON
def _do_api_request(self, params):
"""Perform an API request."""
request_params = dict({
'app_id': self._api_app_id,
'app_key': self._api_app_key,
}, **params)
response = requests.get(self._url, params=request_params)
if response.status_code != 200:
_LOGGER.warning('Invalid response from API')
elif 'error' in response.json():
if 'exceeded' in response.json()['error']:
self._state = 'Useage limites exceeded'
if 'invalid' in response.json()['error']:
self._state = 'Credentials invalid'
else:
self._data = response.json()
class UkTransportLiveBusTimeSensor(UkTransportSensor):
"""Live bus time sensor from UK transportapi.com."""
ICON = 'mdi:bus'
def __init__(self, api_app_id, api_app_key,
stop_atcocode, bus_direction, interval):
"""Construct a live bus time sensor."""
self._stop_atcocode = stop_atcocode
self._bus_direction = bus_direction
self._next_buses = []
self._destination_re = re.compile(
'{}'.format(bus_direction), re.IGNORECASE
)
sensor_name = 'Next bus to {}'.format(bus_direction)
stop_url = 'bus/stop/{}/live.json'.format(stop_atcocode)
UkTransportSensor.__init__(
self, sensor_name, api_app_id, api_app_key, stop_url
)
self.update = Throttle(interval)(self._update)
def _update(self):
"""Get the latest live departure data for the specified stop."""
params = {'group': 'route', 'nextbuses': 'no'}
self._do_api_request(params)
if self._data != {}:
self._next_buses = []
for (route, departures) in self._data['departures'].items():
for departure in departures:
if self._destination_re.search(departure['direction']):
self._next_buses.append({
'route': route,
'direction': departure['direction'],
'scheduled': departure['aimed_departure_time'],
'estimated': departure['best_departure_estimate']
})
self._state = min(map(
_delta_mins, [bus['scheduled'] for bus in self._next_buses]
))
@property
def device_state_attributes(self):
"""Return other details about the sensor state."""
attrs = {}
if self._data is not None:
for key in [
ATTR_ATCOCODE, ATTR_LOCALITY, ATTR_STOP_NAME,
ATTR_REQUEST_TIME
]:
attrs[key] = self._data.get(key)
attrs[ATTR_NEXT_BUSES] = self._next_buses
return attrs
class UkTransportLiveTrainTimeSensor(UkTransportSensor):
"""Live train time sensor from UK transportapi.com."""
ICON = 'mdi:train'
def __init__(self, api_app_id, api_app_key,
station_code, calling_at, interval):
"""Construct a live bus time sensor."""
self._station_code = station_code
self._calling_at = calling_at
self._next_trains = []
sensor_name = 'Next train to {}'.format(calling_at)
query_url = 'train/station/{}/live.json'.format(station_code)
UkTransportSensor.__init__(
self, sensor_name, api_app_id, api_app_key, query_url
)
self.update = Throttle(interval)(self._update)
def _update(self):
"""Get the latest live departure data for the specified stop."""
params = {'darwin': 'false',
'calling_at': self._calling_at,
'train_status': 'passenger'}
self._do_api_request(params)
self._next_trains = []
if self._data != {}:
if self._data['departures']['all'] == []:
self._state = 'No departures'
else:
for departure in self._data['departures']['all']:
self._next_trains.append({
'origin_name': departure['origin_name'],
'destination_name': departure['destination_name'],
'status': departure['status'],
'scheduled': departure['aimed_departure_time'],
'estimated': departure['expected_departure_time'],
'platform': departure['platform'],
'operator_name': departure['operator_name']
})
self._state = min(map(
_delta_mins,
[train['scheduled'] for train in self._next_trains]
))
@property
def device_state_attributes(self):
"""Return other details about the sensor state."""
attrs = {}
if self._data is not None:
attrs[ATTR_STATION_CODE] = self._station_code
attrs[ATTR_CALLING_AT] = self._calling_at
if self._next_trains:
attrs[ATTR_NEXT_TRAINS] = self._next_trains
return attrs
def _delta_mins(hhmm_time_str):
"""Calculate time delta in minutes to a time in hh:mm format."""
now = datetime.now()
hhmm_time = datetime.strptime(hhmm_time_str, '%H:%M')
hhmm_datetime = datetime(
now.year, now.month, now.day,
hour=hhmm_time.hour, minute=hhmm_time.minute
)
if hhmm_datetime < now:
hhmm_datetime += timedelta(days=1)
delta_mins = (hhmm_datetime - now).seconds // 60
return delta_mins

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"""The tests for the uk_transport platform."""
import re
import requests_mock
import unittest
from homeassistant.components.sensor.uk_transport import (
UkTransportSensor,
ATTR_ATCOCODE, ATTR_LOCALITY, ATTR_STOP_NAME, ATTR_NEXT_BUSES,
ATTR_STATION_CODE, ATTR_CALLING_AT, ATTR_NEXT_TRAINS,
CONF_API_APP_KEY, CONF_API_APP_ID)
from homeassistant.setup import setup_component
from tests.common import load_fixture, get_test_home_assistant
BUS_ATCOCODE = '340000368SHE'
BUS_DIRECTION = 'Wantage'
TRAIN_STATION_CODE = 'WIM'
TRAIN_DESTINATION_NAME = 'WAT'
VALID_CONFIG = {
'platform': 'uk_transport',
CONF_API_APP_ID: 'foo',
CONF_API_APP_KEY: 'ebcd1234',
'queries': [{
'mode': 'bus',
'origin': BUS_ATCOCODE,
'destination': BUS_DIRECTION},
{
'mode': 'train',
'origin': TRAIN_STATION_CODE,
'destination': TRAIN_DESTINATION_NAME}]
}
class TestUkTransportSensor(unittest.TestCase):
"""Test the uk_transport platform."""
def setUp(self):
"""Initialize values for this testcase class."""
self.hass = get_test_home_assistant()
self.config = VALID_CONFIG
def tearDown(self):
"""Stop everything that was started."""
self.hass.stop()
@requests_mock.Mocker()
def test_bus(self, mock_req):
"""Test for operational uk_transport sensor with proper attributes."""
with requests_mock.Mocker() as mock_req:
uri = re.compile(UkTransportSensor.TRANSPORT_API_URL_BASE + '*')
mock_req.get(uri, text=load_fixture('uk_transport_bus.json'))
self.assertTrue(
setup_component(self.hass, 'sensor', {'sensor': self.config}))
bus_state = self.hass.states.get('sensor.next_bus_to_wantage')
assert type(bus_state.state) == str
assert bus_state.name == 'Next bus to {}'.format(BUS_DIRECTION)
assert bus_state.attributes.get(ATTR_ATCOCODE) == BUS_ATCOCODE
assert bus_state.attributes.get(ATTR_LOCALITY) == 'Harwell Campus'
assert bus_state.attributes.get(ATTR_STOP_NAME) == 'Bus Station'
assert len(bus_state.attributes.get(ATTR_NEXT_BUSES)) == 2
direction_re = re.compile(BUS_DIRECTION)
for bus in bus_state.attributes.get(ATTR_NEXT_BUSES):
print(bus['direction'], direction_re.match(bus['direction']))
assert direction_re.search(bus['direction']) is not None
@requests_mock.Mocker()
def test_train(self, mock_req):
"""Test for operational uk_transport sensor with proper attributes."""
with requests_mock.Mocker() as mock_req:
uri = re.compile(UkTransportSensor.TRANSPORT_API_URL_BASE + '*')
mock_req.get(uri, text=load_fixture('uk_transport_train.json'))
self.assertTrue(
setup_component(self.hass, 'sensor', {'sensor': self.config}))
train_state = self.hass.states.get('sensor.next_train_to_WAT')
assert type(train_state.state) == str
assert train_state.name == 'Next train to {}'.format(
TRAIN_DESTINATION_NAME)
assert train_state.attributes.get(
ATTR_STATION_CODE) == TRAIN_STATION_CODE
assert train_state.attributes.get(
ATTR_CALLING_AT) == TRAIN_DESTINATION_NAME
assert len(train_state.attributes.get(ATTR_NEXT_TRAINS)) == 25
assert train_state.attributes.get(
ATTR_NEXT_TRAINS)[0]['destination_name'] == 'London Waterloo'
assert train_state.attributes.get(
ATTR_NEXT_TRAINS)[0]['estimated'] == '06:13'

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tests/fixtures/uk_transport_bus.json vendored Normal file
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{
"atcocode": "340000368SHE",
"bearing": "",
"departures": {
"32A": [{
"aimed_departure_time": "10:18",
"best_departure_estimate": "10:18",
"date": "2017-05-09",
"dir": "outbound",
"direction": "Market Place (Wantage)",
"expected_departure_date": null,
"expected_departure_time": null,
"id": "https://transportapi.com/v3/uk/bus/route/THTR/32A/outbound/340000368SHE/2017-05-09/10:18/timetable.json?app_id=e99&app_key=058",
"line": "32A",
"line_name": "32A",
"mode": "bus",
"operator": "THTR",
"operator_name": "Thames Travel",
"source": "Traveline timetable (not a nextbuses live region)"
},
{
"aimed_departure_time": "11:00",
"best_departure_estimate": "11:00",
"date": "2017-05-09",
"dir": "outbound",
"direction": "Stratton Way (Abingdon Town Centre)",
"expected_departure_date": null,
"expected_departure_time": null,
"id": "https://transportapi.com/v3/uk/bus/route/THTR/32A/outbound/340000368SHE/2017-05-09/11:00/timetable.json?app_id=e99&app_key=058",
"line": "32A",
"line_name": "32A",
"mode": "bus",
"operator": "THTR",
"operator_name": "Thames Travel",
"source": "Traveline timetable (not a nextbuses live region)"
},
{
"aimed_departure_time": "11:18",
"best_departure_estimate": "11:18",
"date": "2017-05-09",
"dir": "outbound",
"direction": "Market Place (Wantage)",
"expected_departure_date": null,
"expected_departure_time": null,
"id": "https://transportapi.com/v3/uk/bus/route/THTR/32A/outbound/340000368SHE/2017-05-09/11:18/timetable.json?app_id=e99&app_key=058",
"line": "32A",
"line_name": "32A",
"mode": "bus",
"operator": "THTR",
"operator_name": "Thames Travel",
"source": "Traveline timetable (not a nextbuses live region)"
}
],
"X32": [{
"aimed_departure_time": "10:09",
"best_departure_estimate": "10:09",
"date": "2017-05-09",
"dir": "inbound",
"direction": "Parkway Station (Didcot)",
"expected_departure_date": null,
"expected_departure_time": null,
"id": "https://transportapi.com/v3/uk/bus/route/THTR/X32/inbound/340000368SHE/2017-05-09/10:09/timetable.json?app_id=e99&app_key=058",
"line": "X32",
"line_name": "X32",
"mode": "bus",
"operator": "THTR",
"operator_name": "Thames Travel",
"source": "Traveline timetable (not a nextbuses live region)"
},
{
"aimed_departure_time": "10:30",
"best_departure_estimate": "10:30",
"date": "2017-05-09",
"dir": "inbound",
"direction": "Parks Road (Oxford City Centre)",
"expected_departure_date": null,
"expected_departure_time": null,
"id": "https://transportapi.com/v3/uk/bus/route/THTR/X32/inbound/340000368SHE/2017-05-09/10:30/timetable.json?app_id=e99&app_key=058",
"line": "X32",
"line_name": "X32",
"mode": "bus",
"operator": "THTR",
"operator_name": "Thames Travel",
"source": "Traveline timetable (not a nextbuses live region)"
},
{
"aimed_departure_time": "10:39",
"best_departure_estimate": "10:39",
"date": "2017-05-09",
"dir": "inbound",
"direction": "Parkway Station (Didcot)",
"expected_departure_date": null,
"expected_departure_time": null,
"id": "https://transportapi.com/v3/uk/bus/route/THTR/X32/inbound/340000368SHE/2017-05-09/10:39/timetable.json?app_id=e99&app_key=058",
"line": "X32",
"line_name": "X32",
"mode": "bus",
"operator": "THTR",
"operator_name": "Thames Travel",
"source": "Traveline timetable (not a nextbuses live region)"
}
]
},
"indicator": "in",
"locality": "Harwell Campus",
"name": "Bus Station (in)",
"request_time": "2017-05-09T10:03:41+01:00",
"smscode": "oxfajwgp",
"stop_name": "Bus Station"
}

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{
"date": "2017-07-10",
"time_of_day": "06:10",
"request_time": "2017-07-10T06:10:05+01:00",
"station_name": "Wimbledon",
"station_code": "WIM",
"departures": {
"all": [
{
"mode": "train",
"service": "24671405",
"train_uid": "W36814",
"platform": "8",
"operator": "SW",
"operator_name": "South West Trains",
"aimed_departure_time": "06:13",
"aimed_arrival_time": null,
"aimed_pass_time": null,
"origin_name": "Wimbledon",
"source": "Network Rail",
"destination_name": "London Waterloo",
"category": "OO",
"status": "STARTS HERE",
"expected_arrival_time": null,
"expected_departure_time": "06:13",
"best_arrival_estimate_mins": null,
"best_departure_estimate_mins": 2
},
{
"mode": "train",
"service": "24673205",
"train_uid": "W36613",
"platform": "5",
"operator": "SW",
"operator_name": "South West Trains",
"aimed_departure_time": "06:14",
"aimed_arrival_time": "06:13",
"aimed_pass_time": null,
"origin_name": "Hampton Court",
"source": "Network Rail",
"destination_name": "London Waterloo",
"category": "OO",
"status": "EARLY",
"expected_arrival_time": "06:13",
"expected_departure_time": "06:14",
"best_arrival_estimate_mins": 2,
"best_departure_estimate_mins": 3
},
{
"mode": "train",
"service": "24673505",
"train_uid": "W36012",
"platform": "5",
"operator": "SW",
"operator_name": "South West Trains",
"aimed_departure_time": "06:20",
"aimed_arrival_time": "06:20",
"aimed_pass_time": null,
"origin_name": "Guildford",
"source": "Network Rail",
"destination_name": "London Waterloo",
"category": "OO",
"status": "ON TIME",
"expected_arrival_time": "06:20",
"expected_departure_time": "06:20",
"best_arrival_estimate_mins": 9,
"best_departure_estimate_mins": 9
},
{
"mode": "train",
"service": "24673305",
"train_uid": "W34087",
"platform": "5",
"operator": "SW",
"operator_name": "South West Trains",
"aimed_departure_time": "06:23",
"aimed_arrival_time": "06:23",
"aimed_pass_time": null,
"origin_name": "Dorking",
"source": "Network Rail",
"destination_name": "London Waterloo",
"category": "XX",
"status": "ON TIME",
"expected_arrival_time": "06:23",
"expected_departure_time": "06:23",
"best_arrival_estimate_mins": 12,
"best_departure_estimate_mins": 12
},
{
"mode": "train",
"service": "24671505",
"train_uid": "W37471",
"platform": "5",
"operator": "SW",
"operator_name": "South West Trains",
"aimed_departure_time": "06:32",
"aimed_arrival_time": "06:31",
"aimed_pass_time": null,
"origin_name": "London Waterloo",
"source": "Network Rail",
"destination_name": "London Waterloo",
"category": "OO",
"status": "ON TIME",
"expected_arrival_time": "06:31",
"expected_departure_time": "06:32",
"best_arrival_estimate_mins": 20,
"best_departure_estimate_mins": 21
},
{
"mode": "train",
"service": "24673605",
"train_uid": "W35790",
"platform": "5",
"operator": "SW",
"operator_name": "South West Trains",
"aimed_departure_time": "06:35",
"aimed_arrival_time": "06:35",
"aimed_pass_time": null,
"origin_name": "Woking",
"source": "Network Rail",
"destination_name": "London Waterloo",
"category": "OO",
"status": "ON TIME",
"expected_arrival_time": "06:35",
"expected_departure_time": "06:35",
"best_arrival_estimate_mins": 24,
"best_departure_estimate_mins": 24
},
{
"mode": "train",
"service": "24673705",
"train_uid": "W35665",
"platform": "5",
"operator": "SW",
"operator_name": "South West Trains",
"aimed_departure_time": "06:38",
"aimed_arrival_time": "06:38",
"aimed_pass_time": null,
"origin_name": "Epsom",
"source": "Network Rail",
"destination_name": "London Waterloo",
"category": "OO",
"status": "ON TIME",
"expected_arrival_time": "06:38",
"expected_departure_time": "06:38",
"best_arrival_estimate_mins": 27,
"best_departure_estimate_mins": 27
},
{
"mode": "train",
"service": "24671405",
"train_uid": "W36816",
"platform": "8",
"operator": "SW",
"operator_name": "South West Trains",
"aimed_departure_time": "06:43",
"aimed_arrival_time": "06:43",
"aimed_pass_time": null,
"origin_name": "London Waterloo",
"source": "Network Rail",
"destination_name": "London Waterloo",
"category": "OO",
"status": "ON TIME",
"expected_arrival_time": "06:43",
"expected_departure_time": "06:43",
"best_arrival_estimate_mins": 32,
"best_departure_estimate_mins": 32
},
{
"mode": "train",
"service": "24673205",
"train_uid": "W36618",
"platform": "5",
"operator": "SW",
"operator_name": "South West Trains",
"aimed_departure_time": "06:44",
"aimed_arrival_time": "06:43",
"aimed_pass_time": null,
"origin_name": "Hampton Court",
"source": "Network Rail",
"destination_name": "London Waterloo",
"category": "OO",
"status": "ON TIME",
"expected_arrival_time": "06:43",
"expected_departure_time": "06:44",
"best_arrival_estimate_mins": 32,
"best_departure_estimate_mins": 33
},
{
"mode": "train",
"service": "24673105",
"train_uid": "W36429",
"platform": "5",
"operator": "SW",
"operator_name": "South West Trains",
"aimed_departure_time": "06:47",
"aimed_arrival_time": "06:46",
"aimed_pass_time": null,
"origin_name": "Shepperton",
"source": "Network Rail",
"destination_name": "London Waterloo",
"category": "OO",
"status": "ON TIME",
"expected_arrival_time": "06:46",
"expected_departure_time": "06:47",
"best_arrival_estimate_mins": 35,
"best_departure_estimate_mins": 36
},
{
"mode": "train",
"service": "24629204",
"train_uid": "W36916",
"platform": "6",
"operator": "SW",
"operator_name": "South West Trains",
"aimed_departure_time": "06:47",
"aimed_arrival_time": "06:47",
"aimed_pass_time": null,
"origin_name": "Basingstoke",
"source": "Network Rail",
"destination_name": "London Waterloo",
"category": "OO",
"status": "LATE",
"expected_arrival_time": "06:48",
"expected_departure_time": "06:48",
"best_arrival_estimate_mins": 37,
"best_departure_estimate_mins": 37
},
{
"mode": "train",
"service": "24673505",
"train_uid": "W36016",
"platform": "5",
"operator": "SW",
"operator_name": "South West Trains",
"aimed_departure_time": "06:50",
"aimed_arrival_time": "06:49",
"aimed_pass_time": null,
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}