tokml.py

import sys
import marshal
import json

header = '''<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://www.opengis.net/kml/2.2"><Document>
'''

footer = '</Document></kml>'

ptemplate = '''
    <Placemark>
      <Point>
        <coordinates>%(latitude)s,%(longitude)s</coordinates>
      </Point>
    </Placemark>
'''


def main(args=None):
    if args is None:
        args = sys.argv[1:]

    [inp, outp] = args
    dump = [d for d in marshal.load(open(inp))
            if d['event'] == 'respond_message' and 'latitude' in d]
    out = open(outp, 'w')
    out.write(header)
    for d in dump:
        out.write(ptemplate % d)
    out.write(footer)
    out.close()

if __name__ == '__main__':
    main()