A simple script demonstrating the geopy API. You can install geopy via "sudo easy_install geopy". Expected input is one address per line on stdin. Output is, tab-delimited, LAT LON PLACE.

addr_to_ll.py

import geopy, sys

def main():
    g = geopy.geocoders.GoogleV3()
    for line in sys.stdin:
        addr = line.strip()
        try:
            place, (lat, lon) = g.geocode(addr)
            print '%f\t%f\t%s' % (lat, lon, place)
        except:
            print 'NaN\tNaN\tNo results for "%s"' % addr

if '__main__' == __name__:
    main()