def generate_route(trip):
''' Build a path using the Mapzen's Valhalla API. '''
mode = trip['mode']
points = trip['points']
base = 'http://valhalla.mapzen.com/'
key = tools.read_json('config/keys.json')['valhalla']
request = json.dumps({
'locations': points,
# 'costing': mode,
# For some reasons the biking costing is not close to reality
'costing': 'pedestrian',
'directions_options': {
'units': 'kilometers'
}
})
url = '{0}route?json={1}&api_key={2}'.format(base, request, key)
# No whitespace allowed
url = url.replace(' ', '')
data = get_route(url)
path = tools.load_json(data)
return {
'mode': mode,
'polyline': path['trip']['legs'][0]['shape'],
'maneuvers': path['trip']['legs'][0]['maneuvers'],
'distance': path['trip']['legs'][0]['summary']['length']
}
def apirouting(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 == tools.read_json('config/keys.json')['routing']:
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 stations(city):
base = 'https://api.jcdecaux.com/vls/v1/'
key = tools.read_json('config/keys.json')['jcdecaux']
url = '{0}stations/?contract={1}&apiKey={2}'.format(base, city, key)
data = tools.query_API(url)
stations = tools.load_json(data)
return normalize(stations)
def add_altitudes(stations, size=50):
''' Use the Google Maps Elevation API. '''
base = 'https://maps.googleapis.com/maps/api/elevation/json?'
key = tools.read_json('config/keys.json')['google-elevation']
locationsList = ''
packages = []
counter = 1
for station in stations:
locationsList += '{lat},{lon}|'.format(lat=station['lat'],
lon=station['lon'])
# The API only allows a certain amount of locations per request
counter += 1
if counter > size:
locationsList += ';'
counter = 1
for locations in locationsList.split(';'):
locations = locations[:-1]
url = base + 'locations={0}&key={1}'.format(locations, key)
request = tools.query_API(url)
data = tools.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 = []
for station in zip(stations, altitudes):
data.append({
'name': station[0]['name'],
'lat': station[0]['lat'],
'lon': station[0]['lon'],
'alt': station[1]['elevation']
})
return data
def add_altitudes(stations, size=50):
''' Use the Google Maps Elevation API. '''
base = 'https://maps.googleapis.com/maps/api/elevation/json?'
key = tools.read_json('config/keys.json')['google-elevation']
locationsList = ''
packages = []
counter = 1
for station in stations:
locationsList += '{lat},{lon}|'.format(lat=station['lat'],
lon=station['lon'])
# The API only allows a certain amount of locations per request
counter += 1
if counter > size:
locationsList += ';'
counter = 1
for locations in locationsList.split(';'):
locations = locations[:-1]
url = base + 'locations={0}&key={1}'.format(locations, key)
request = tools.query_API(url)
data = tools.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 = []
for station in zip(stations, altitudes):
data.append({
'name': station[0]['name'],
'lat': station[0]['lat'],
'lon': station[0]['lon'],
'alt': station[1]['elevation']
})
return data
def stations(city):
# The city parameter is necessary so that everything works
base = 'http://data.keolis-rennes.com/json/?version=1.0&'
key = tools.read_json('config/keys.json')['keolis']
url = '{0}key={1}&cmd=getstation'.format(base, key)
data = tools.query_API(url)
stations = tools.load_json(data)
return normalize(stations)
def stations(city):
# The city parameter is necessary so that everything works
base = 'http://data.keolis-rennes.com/json/?version=1.0&'
key = tools.read_json('config/keys.json')['keolis']
url = '{0}key={1}&cmd=getstation'.format(base, key)
data = tools.query_API(url)
stations = tools.load_json(data)
return normalize(stations)
def stations(city):
# The city parameter is necessary so that everything works
key = tools.read_json('config/keys.json')['lacub']
url = 'http://data.lacub.fr/wfs?key={}' \
'&SERVICE=WFS&VERSION=1.1.0&' \
'REQUEST=GetFeature' \
'&TYPENAME=CI_VCUB_P&SRSNAME=EPSG:4326'
print(url)
data = tools.query_API(url)
stations = tools.load_xml(data)
print(stations)
return normalize(stations)
def stations(city):
# The city parameter is necessary so that everything works
key = tools.read_json('config/keys.json')['lacub']
url = 'http://data.lacub.fr/wfs?key={}' \
'&SERVICE=WFS&VERSION=1.1.0&' \
'REQUEST=GetFeature' \
'&TYPENAME=CI_VCUB_P&SRSNAME=EPSG:4326'
print(url)
data = tools.query_API(url)
stations = tools.load_xml(data)
print(stations)
return normalize(stations)
def compute_distances(departure, stations, mode):
''' Using the Mapbox Distance API. '''
# Interrogate the API to get the distance to each station
base = 'https://api.mapbox.com/distances/v1/mapbox/'
key = tools.read_json('config/keys.json')['mapbox-distance']
coordinates = {
'coordinates': [departure] + [station['p'] for station in stations]
}
print(coordinates)
url = '{0}{1}?access_token={2}'.format(base, mode, key)
data = tools.query_API(url)
distances = tools.load_json(data)['rows'][0]['elements']
candidates = []
for station in zip(stations, distances):
candidate = {}
for information in station:
candidate.update(information)
candidates.append(candidate)
return candidates
def compute_distances(departure, stations, mode):
''' Using the Mapbox Distance API. '''
# Interrogate the API to get the distance to each station
base = 'https://api.mapbox.com/distances/v1/mapbox/'
key = tools.read_json('config/keys.json')['mapbox-distance']
coordinates = {
'coordinates': [
departure
] + [station['p'] for station in stations]
}
print(coordinates)
url = '{0}{1}?access_token={2}'.format(base, mode, key)
data = tools.query_API(url)
distances = tools.load_json(data)['rows'][0]['elements']
candidates = []
for station in zip(stations, distances):
candidate = {}
for information in station:
candidate.update(information)
candidates.append(candidate)
return candidates
def generate_route(trip):
''' Build a path using the Mapzen's Valhalla API. '''
mode = trip['mode']
points = trip['points']
base = 'http://valhalla.mapzen.com/'
key = tools.read_json('config/keys.json')['valhalla']
request = json.dumps({
'locations': points,
# 'costing': mode,
# For some reasons the biking costing is not close to reality
'costing': 'pedestrian',
'directions_options': {
'units': 'kilometers'
}
})
url = '{0}route?json={1}&api_key={2}'.format(base, request, key)
# No whitespace allowed
url = url.replace(' ', '')
data = get_route(url)
path = tools.load_json(data)
return {'mode': mode, 'polyline': path['trip']['legs'][0]['shape'],
'maneuvers': path['trip']['legs'][0]['maneuvers'],
'distance': path['trip']['legs'][0]['summary']['length']}
from flask import Flask, render_template, request, \
url_for, jsonify, g
from flask.ext.babel import Babel, gettext
from htmlmin import minify
from lib import routing
from lib import tools
import json
app = Flask(__name__)
babel = Babel(app)
cities = tools.read_json('static/cities.json')
names = tools.read_json('static/names.json')
stations = tools.read_json('static/stations.json')
centers = tools.read_json('static/centers.json')
predictions = tools.read_json('static/predictions.json')
# Languages
@app.before_request
def before():
if request.view_args and 'lang_code' in request.view_args:
g.current_lang = request.view_args['lang_code']
request.view_args.pop('lang_code')
@babel.localeselector
def get_locale():
return g.get('current_lang', 'en')
from apscheduler.schedulers.background import BackgroundScheduler
from lib.providers import wrapper
from lib.mongo import timeseries
from lib import tools
from datetime import datetime
import time
import json
providers = tools.read_json('static/providers.json')
centers = tools.read_json('static/centers.json')
predictions = tools.read_json('static/predictions.json')
def update(provider, city, predict):
# Get the information for the city
try:
stations = wrapper.collect(provider, city)
except:
return
# Update the database
if predict == 'Yes':
timeseries.update_city(stations, city)
# Save the data for the map
geojson = tools.json_to_geojson(stations)
with open('static/geojson/{0}.geojson'.format(city), 'w') as outfile:
json.dump(geojson, outfile)
# Tell the server the city's data was updated
with open('static/updates/{0}.txt'.format(city), 'w') as outfile:
outfile.write(datetime.now().isoformat())
def apicenters():
''' Return the list of names. '''
centers = tools.read_json('static/centers.json')
return jsonify(centers)
def apiproviders():
''' Return the list of providers/cities. '''
providers = tools.read_json('static/providers.json')
return jsonify(providers)
def apicities():
''' Return the list of countries/cities. '''
cities = tools.read_json('static/cities.json')
return jsonify(cities)
def apicity_stations(city):
''' Return the latest geojson file of a city. '''
stations = tools.read_json('static/geojson/{}.geojson'.format(city))
return jsonify(stations)
def apistations():
''' Return the list of countries/cities/stations. '''
stations = tools.read_json('static/stations.json')
return jsonify(stations)
from apscheduler.schedulers.background import BackgroundScheduler
from lib.providers import wrapper
from lib.mongo import timeseries
from lib import tools
from datetime import datetime
import time
import json
providers = tools.read_json('static/providers.json')
centers = tools.read_json('static/centers.json')
predictions = tools.read_json('static/predictions.json')
def update(provider, city, predict):
# Get the information for the city
try:
stations = wrapper.collect(provider, city)
except:
return
# Update the database
if predict == 'Yes':
timeseries.update_city(stations, city)
# Save the data for the map
geojson = tools.json_to_geojson(stations)
with open('static/geojson/{0}.geojson'.format(city), 'w') as outfile:
json.dump(geojson, outfile)
# Tell the server the city's data was updated
with open('static/updates/{0}.txt'.format(city), 'w') as outfile:
outfile.write(datetime.now().isoformat())
if __name__ == '__main__':
def apipredictions():
''' Return the list of predictions. '''
predictions = tools.read_json('static/predictions.json')
return jsonify(predictions)
from apscheduler.schedulers.background import BackgroundScheduler
from lib.mongo import timeseries
from lib.learning import munging
from lib.learning import forest
from lib import tools
import time
stationsFile = tools.read_json('static/stations.json')
def learn(city):
for station in stationsFile[city]:
# Get all the data from the database
dataframe = timeseries.query_station(city, station)
# Prepare the dataframe for learning
dataframe = munging.rename_columns(dataframe)
dataframe = munging.prepare(dataframe)
# Apply a regressor
forest.fit(dataframe, 'bikes', city, station)
forest.fit(dataframe, 'spaces', city, station)
# timeseries.delete_city(city)
if __name__ == '__main__':
scheduler = BackgroundScheduler()
for city in stationsFile.keys():
learn(city)
scheduler.add_job(learn,
'interval',
weeks=2,
args=[city],
parser.add_argument('country')
parser.add_argument('countryRealName')
parser.add_argument('predict')
# Parse the command line arguments
parameters = parser.parse_args()
option = parameters.option
provider = parameters.provider
city = parameters.city
cityRealName = parameters.cityRealName
country = parameters.country
countryRealName = parameters.countryRealName
predict = parameters.predict
# Load the files
stationsFile = tools.read_json('static/stations.json')
providersFile = tools.read_json('static/providers.json')
centersFile = tools.read_json('static/centers.json')
citiesFile = tools.read_json('static/cities.json')
namesFile = tools.read_json('static/names.json')
predictionsFile = tools.read_json('static/predictions.json')
if option in ('add', 'insert'):
geo.add_city(city)
# Get the current information for a city
stations = wrapper.collect(provider, city)
# Add the altitudes of every station
stations = geography.add_altitudes(stations)
# Extract latitudes, longitudes and station names
latitudes = []
longitudes = []
parser.add_argument('country')
parser.add_argument('countryRealName')
parser.add_argument('predict')
# Parse the command line arguments
parameters = parser.parse_args()
option = parameters.option
provider = parameters.provider
city = parameters.city
cityRealName = parameters.cityRealName
country = parameters.country
countryRealName = parameters.countryRealName
predict = parameters.predict
# Load the files
stationsFile = tools.read_json('static/stations.json')
providersFile = tools.read_json('static/providers.json')
centersFile = tools.read_json('static/centers.json')
citiesFile = tools.read_json('static/cities.json')
namesFile = tools.read_json('static/names.json')
predictionsFile = tools.read_json('static/predictions.json')
if option in ('add', 'insert'):
geo.add_city(city)
# Get the current information for a city
stations = wrapper.collect(provider, city)
# Add the altitudes of every station
stations = geography.add_altitudes(stations)
# Extract latitudes, longitudes and station names
latitudes = []
longitudes = []
from apscheduler.schedulers.background import BackgroundScheduler
from lib.mongo import timeseries
from lib.learning import munging
from lib.learning import forest
from lib import tools
import time
stationsFile = tools.read_json('static/stations.json')
def learn(city):
for station in stationsFile[city]:
# Get all the data from the database
dataframe = timeseries.query_station(city, station)
# Prepare the dataframe for learning
dataframe = munging.rename_columns(dataframe)
dataframe = munging.prepare(dataframe)
# Apply a regressor
forest.fit(dataframe, 'bikes', city, station)
forest.fit(dataframe, 'spaces', city, station)
# timeseries.delete_city(city)
if __name__ == '__main__':
scheduler = BackgroundScheduler()
for city in stationsFile.keys():
learn(city)
scheduler.add_job(learn, 'interval', weeks=2, args=[city],
misfire_grace_time=60*60*24*7, coalesce=True)
scheduler.start()
while True:
time.sleep(10e-1000000)
def apinames():
''' Return the list of names. '''
names = tools.read_json('static/names.json')
return jsonify(names)
