def get_captcha_challenge(http_body, 
    captcha_base_url='http://www.google.com/accounts/'):
  return gdata.gauth.get_captcha_challenge(http_body, captcha_base_url)
Returns the URL and token for a CAPTCHA challenge issued by the server.
dataset/ETHPy150Open acil-bwh/SlicerCIP/Scripted/attic/PicasaSnap/gdata/auth.py/get_captcha_challenge