def _EncodeParameters(self, parameters):
    if parameters is None:
      return None
    else:
      return urllib.urlencode(dict([(k, self._Encode(v)) for k, v in parameters.items() if v is not None]))
Return a string in key=value&key=value form
dataset/ETHPy150Open livid/v2ex/twitter/twitter.py/Api._EncodeParameters