def home():
cities = tb.read_json('{}/cities.json'.format(informationFolder))
names = tb.read_json('{}/names.json'.format(informationFolder))
return minify(render_template('index.html',
title=gettext('Maps - OpenBikes'),
cities_file=cities, names_file=names,
lang_code='en'))
def map(city):
names = tb.read_json('{}/names.json'.format(informationFolder))
centers = tb.read_json('{}/centers.json'.format(informationFolder))
predictions = tb.read_json('{}/predictions.json'.format(informationFolder))
geojson = str(url_for('static', filename='geojson/{}.geojson'.format(city)))
return minify(render_template('map.html', city=city, city_name=names[city],
center=centers[city], geojson=geojson,
predict=predictions[city]))
def api_routing(mode, city, departure, arrival, time, people):
'''
Return a list of routes in polyline format.
String adresses are not supported because they
won't be needed for the mobile apps. Indeed the
departure will be the same as the arrival because
the mobile apps do not include full trips.
Example URL:
/routing/mode=takeBike&city=Toulouse&
departure=[43.5639677,1.4655774]&
arrival=[43.6044328,1.443463]&
time=[1442935490355]&people=1
Don't forget to remove all the spaces.
'''
if key == tb.read_json('config/keys.json')['api']:
situation = {
'city': city,
'departure': eval(departure),
'arrival': eval(arrival),
'time': eval(time),
'people': int(people)
}
if mode == 'fullTrip':
routes = routing.full_trip(situation)
elif mode == 'takeBike':
routes = routing.take_bike(situation)
elif mode == 'dropBike':
routes = routing.drop_bike(situation)
return jsonify({'routes': routes})
else:
return jsonify({'error': 'Wrong API key.'})
def choose(situation, target, distance, mode, stationFirst, nbCandidates=5):
"""
Choose the best station around the arrival and then define a trip
between the departure and the station.
"""
city = situation["city"]
people = situation["people"]
time = tb.convert_time(situation["time"])
# Will convert the positions to (lat, lon) if they are textual addresses
departure = geography.convert_to_point(city, situation["departure"])
arrival = geography.convert_to_point(city, situation["arrival"])
# Find the close stations with MongoDB
stations = [station for station in query.close_points(city, arrival, number=nbCandidates)]
# Get the distances to the stations
candidates = geography.compute_distances_manual(arrival, stations, distance)
# Sort the stations by distance
candidates.sort(key=lambda station: station["duration"])
# Find an appropriate solution through the sorted candidates
trip = False
for candidate in candidates:
# Calculate what time it would be when reaching the candidate station
forecast = tb.epoch_to_datetime(time + candidate["duration"])
# Extract features from the forecasted time
variables = munging.temporal_features(forecast)
features = [variables["hour"], variables["minute"], variables["weekday"]]
# Check if the prediction is satisfying
settings = tb.read_json("common/settings.json")
method = eval(settings["learning"]["method"])
# Make a prediction
prediction = method.predict(features, target, city, candidate["_id"])
bias = tb.read_json("common/settings.json")["learning"]["bias"]
if target == "bikes":
bias *= -1
if prediction + bias >= people:
stationPosition = list(reversed(candidate["p"]))
if stationFirst is False:
trip = tb.reshape(mode, departure, stationPosition)
else:
trip = tb.reshape(mode, stationPosition, departure)
break
return trip
def update(provider, city, predict):
''' Update the data for a city. '''
# Get the current formatted data for a city
try:
stations = eval(provider).stations(city)
except:
return
# Update the database if the city can be predicted
if predict == 'Yes':
insert.city(city, stations)
# Save the data for the map
geojson = tb.json_to_geojson(stations)
tb.write_json(geojson, '{0}/{1}.geojson'.format(geojsonFolder, city))
# Refresh the latest update time
updates = tb.read_json('{}/updates.json'.format(informationFolder))
updates[city] = datetime.now().isoformat()
tb.write_json(updates, '{}/updates.json'.format(informationFolder))
def turn_by_turn(trip):
""" Build a path using the Google Directions API. """
mode = trip["mode"]
points = ["{0},{1}".format(point["lat"], point["lon"]) for point in trip["points"]]
origin = points[0]
destination = points[1]
base = "https://maps.googleapis.com/maps/api/directions/json"
key = tb.read_json("common/keys.json")["google-distance"]
url = "{0}?origin={1}&destination={2}&mode={3}&key={4}".format(base, origin, destination, "walking", key)
# Query the API
response = get_route(url)
trip = tb.load_json(response)
return {
"mode": mode,
"routes": trip["routes"][0]["legs"][0]["steps"],
"polyline": trip["routes"][0]["overview_polyline"]["points"],
}
def add(stations, size=50):
'''
Use the Google Maps Elevation API to add altitudes to a dataframe.
Because the API has a limitation this function batches the work into
"packages" that are successively send to the API. The size parameter
determines the size of the packages. The function starts by looping
through the stations and increments a counter. Once the counter has
reached the package size then it sends a request to the API and resets the
counter. Once it has parsed all the stations it unwraps what the API
send back into a list of dictionaries and sends it back.
'''
base = 'https://maps.googleapis.com/maps/api/elevation/json?'
key = tb.read_json('common/keys.json')['google-elevation']
locations = ''
packages = []
counter = 1
for station in stations:
locations += '{lat},{lon}|'.format(lat=station['lat'],
lon=station['lon'])
counter += 1
if counter > size:
locations += ';'
counter = 1
for loc in locations.split(';'):
url = base + 'locations={0}&key={1}'.format(loc[:-1], key)
request = tb.query_API(url)
data = tb.load_json(request)
packages.append(data['results'])
# Melt the packages into one list
altitudes = []
for package in packages:
altitudes.extend(package)
# Tidy everything up for database insertion
data = [{'name': station[0]['name'], 'lat': station[0]['lat'],
'lon': station[0]['lon'], 'alt': station[1]['elevation']}
for station in zip(stations, altitudes)]
return data
def api_updates():
''' Return the list of update times. '''
updates = tb.read_json('{}/updates.json'.format(geojsonFolder))
return jsonify(updates)
def api_predictions():
''' Return the list of predictions. '''
predictions = tb.read_json('{}/predictions.json'.format(geojsonFolder))
return jsonify(predictions)
from mongo.geo import delete
# Define the command line arguments
parser = argparse.ArgumentParser(description='Remove a city from the system.')
parser.add_argument('provider')
parser.add_argument('city')
parser.add_argument('country')
# Parse the command line arguments
parameters = parser.parse_args()
provider = parameters.provider
city = parameters.city
country = parameters.country
# Load the information folder path
settings = tb.read_json('common/settings.json')
informationFolder = settings['folders']['information']
# Load the information files
stationsFile = tb.read_json('{}/stations.json'.format(informationFolder))
providersFile = tb.read_json('{}/providers.json'.format(informationFolder))
centersFile = tb.read_json('{}/centers.json'.format(informationFolder))
citiesFile = tb.read_json('{}/cities.json'.format(informationFolder))
namesFile = tb.read_json('{}/names.json'.format(informationFolder))
predictionsFile = tb.read_json('{}/predictions.json'.format(informationFolder))
updatesFile = tb.read_json('{}/updates.json'.format(informationFolder))
# Geographical database
try:
delete.city(city)
except:
def api_stations():
''' Return the list of countries/cities/stations. '''
stations = tb.read_json('{}/stations.json'.format(geojsonFolder))
return jsonify(stations)
def api_city_stations(city):
''' Return the latest geojson file of a city. '''
stations = tb.read_json('{0}/{1}.geojson'.format(geojsonFolder, city))
return jsonify(stations)
import asyncio
from apscheduler.schedulers.asyncio import AsyncIOScheduler
from datetime import datetime
from collecting.providers import *
from mongo.timeseries import insert
from common import toolbox as tb
settings = tb.read_json('common/settings.json')
# Where to save the geojson files
geojsonFolder = settings['folders']['geojson']
# Where to place the updated timestamps
informationFolder = settings['folders']['information']
# Seconds for rescheduling
refresh = settings['collecting']['refresh']
# List of data providers
providers = tb.read_json('{}/providers.json'.format(informationFolder))
# Define which cities can be predicted or not
predictions = tb.read_json('{}/predictions.json'.format(informationFolder))
def update(provider, city, predict):
''' Update the data for a city. '''
# Get the current formatted data for a city
try:
stations = eval(provider).stations(city)
except:
return
# Update the database if the city can be predicted
if predict == 'Yes':
insert.city(city, stations)
# Save the data for the map
def api():
cities = tb.read_json('{}/cities.json'.format(informationFolder))
names = tb.read_json('{}/names.json'.format(informationFolder))
return minify(render_template('api.html', title=gettext('API - OpenBikes'),
cities_file=cities, stations_file=stations))
parser.add_argument('cityRealName')
parser.add_argument('country')
parser.add_argument('countryRealName')
parser.add_argument('predict')
# Parse the command line arguments
parameters = parser.parse_args()
provider = parameters.provider
city = parameters.city
cityRealName = parameters.cityRealName
country = parameters.country
countryRealName = parameters.countryRealName
predict = parameters.predict
# Load the information folder path
settings = tb.read_json('common/settings.json')
informationFolder = settings['folders']['information']
# Load the information files
stationsFile = tb.read_json('{}/stations.json'.format(informationFolder))
providersFile = tb.read_json('{}/providers.json'.format(informationFolder))
centersFile = tb.read_json('{}/centers.json'.format(informationFolder))
citiesFile = tb.read_json('{}/cities.json'.format(informationFolder))
namesFile = tb.read_json('{}/names.json'.format(informationFolder))
predictionsFile = tb.read_json('{}/predictions.json'.format(informationFolder))
# Get the current information for a city
stations = eval(provider).stations(city)
# Add the altitudes of every station
stations = altitudes.add(stations)
# Add the city and the stations to the database
from common import toolbox as tb
settings = tb.read_json('common/settings.json')
informationFolder = settings['folders']['information']
geojsonFolder = settings['folders']['geojson']
def api_providers():
''' Return the list of providers/cities. '''
providers = tb.read_json('{}/providers.json'.format(geojsonFolder))
return jsonify(providers)
def update():
city = request.args.get('city', 0, type=str)
updates = tb.read_json('{}/updates.json'.format(informationFolder))
update = updates[city]
return jsonify({'timestamp': update})
def api_cities():
''' Return the list of countries/cities. '''
cities = tb.read_json('{}/cities.json'.format(geojsonFolder))
return jsonify(cities)
from os.path import dirname, basename, isfile
from common import toolbox as tb
import glob
# Get all the modules in the current folder
modules = glob.glob(dirname(__file__)+"/*.py")
# Assign them to __all__ for automatic import
__all__ = [basename(f).split('.')[0] for f in modules if isfile(f)]
# Open the keys file for the restricted APIs
keys = tb.read_json('common/keys.json')
def api_centers():
''' Return the list of names. '''
centers = tb.read_json('{}/centers.json'.format(geojsonFolder))
return jsonify(centers)
import asyncio
from apscheduler.schedulers.asyncio import AsyncIOScheduler
import datetime
import time
from common import toolbox as tb
from mongo.timeseries import query
from learning import *
settings = tb.read_json('common/settings.json')
informationFolder = settings['folders']['information']
# Number of days to learn upon
timespan = settings['learning']['timespan']
# Number of days for rescheduling
refresh = settings['learning']['refresh']
# Regression method
method = eval(settings['learning']['method'])
# Stations to predict
stationsFile = tb.read_json('{}/stations.json'.format(informationFolder))
# Define which cities can be predicted or not
predictions = tb.read_json('{}/predictions.json'.format(informationFolder))
def learn(city, station):
# Get data from the past 30 days
threshold = datetime.datetime.now() - datetime.timedelta(days=timespan)
try:
dataframe = query.station(city, station, threshold)
except:
return
# Prepare the dataframe for learning
dataframe = munging.prepare(dataframe)
def api_names():
''' Return the list of names. '''
names = tb.read_json('{}/names.json'.format(geojsonFolder))
return jsonify(names)
