MonScoDocEssai/misc/geolocalize_lycees.py

66 lines
2.1 KiB
Python

# -*- mode: python -*-
# -*- coding: utf-8 -*-
##############################################################################
#
# Gestion scolarite IUT
#
# Copyright (c) 2001 - 2012 Emmanuel Viennet. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Emmanuel Viennet emmanuel.viennet@viennet.net
#
##############################################################################
"""Géolocalisation du fichiers des lycees (etablissements.csv)
Ajoute deux colonnes: LAT, LONG
Utilise geopy http://www.geopy.org/ et l'API Google
"""
from geopy import geocoders
import time
SOURCE = '../config/etablissements-orig.csv'
DEST = '../config/etablissements-geocode.csv'
g = geocoders.Google(domain="maps.google.fr") #, api_key='XXX')
inf = open(SOURCE)
out = open(DEST, 'w')
head = inf.readline()
out.write(head.strip() + ';LAT;LNG'+'\n')
for line in inf:
address = ' '.join(line.split(';')[2:]).strip()
print address
try:
place, (lat, lng) = g.geocode(address)
except: # multiple possible locations ?
time.sleep(0.11)
try:
place, (lat, lng) = g.geocode(address + ' France', exactly_one=False)[0]
except:
place, (lat, lng) = 'NOT FOUND', (0.,0.)
print "%s: %.5f, %.5f" % (address, lat, lng)
out.write( line.strip() + ';%s;%s\n' % (lat,lng) )
time.sleep(0.11) # Google API Rate limit of 10 requests per second.
inf.close()
out.close()