client.py 文件源码

def _parse_exchange_token_response(content):
  """Parses response of an exchange token request.

  Most providers return JSON but some (e.g. Facebook) return a
  url-encoded string.

  Args:
    content: The body of a response

  Returns:
    Content as a dictionary object. Note that the dict could be empty,
    i.e. {}. That basically indicates a failure.
  """
  resp = {}
  try:
    resp = simplejson.loads(content)
  except StandardError:
    # different JSON libs raise different exceptions,
    # so we just do a catch-all here
    resp = dict(parse_qsl(content))

  # some providers respond with 'expires', others with 'expires_in'
  if resp and 'expires' in resp:
    resp['expires_in'] = resp.pop('expires')

  return resp