import click
import ijson.backends.yajl2_cffi as ijson

@click.command()
@click.option('--index', '-n', default=0, help='Index of CSV.')
def build_index():
  pass

def index_file(fn):
  with open(fn, 'r') as f:
    parser = ijson.parse(urlopen('http://.../'))
    stream.write('<geo>')
    for prefix, event, value in parser:
      if (prefix, event) == ('earth', 'map_key'):
        stream.write('<%s>' % value)
        continent = value
      elif prefix.endswith('.name'):
        stream.write('<object name="%s"/>' % value)
      elif (prefix, event) == ('earth.%s' % continent, 'end_map'):
        stream.write('</%s>' % continent)
    stream.write('</geo>')

if __name__ == '__main__':
  build_index()