geo.py

import sys, os, json, urllib, urllib2, time

f = open('listedBuildings.json')

locations = json.loads(f.read())

coordinates = []

streets = []

thisStreet = ""

for item in locations:
	streetName = item["Name"].split(',')[0]

	if streetName != thisStreet:
		streets.append(item)
		thisStreet = streetName

for line in streets:

	firstBit = line["Name"].split(',')

	q = {"q" : str(firstBit[0]) + ", Bournemouth"}

	req = "http://nominatim.openstreetmap.org/search?" + urllib.urlencode(q) + "&format=json&limit=5"

	nominatim = json.loads(urllib2.urlopen(req).read())

	# print nominatim

	if len(nominatim) > 0:

		coordinates.append({
			"latitude" : nominatim[0]["lat"],
			"longitude" : nominatim[0]["lon"],
			"name" : firstBit[0]
		})

		print str(firstBit[0]) + " lat:" + nominatim[0]["lat"] + " long:" + nominatim[0]["lon"] +  " found"

	else:

		print ">>>>> " + str(firstBit[0]) + " not found"
	#print urllib2.urlopen(req).read()

w = open("coordinates.json", "w")
w.write(json.dumps(coordinates))