def get_signature_base_string(self, method, url, params):
    encoded_params = {}
    for key, value in params.items():
      encoded_params[key] = value.encode('utf-8', 'ignore')

    oauth_request = oauth.OAuthRequest(
        http_method=method.upper(), 
        http_url=url, 
        parameters=encoded_params)

    base_str = '&'.join((
        oauth.escape(oauth_request.get_normalized_http_method()),
        oauth.escape(oauth_request.get_normalized_http_url()),
        oauth.escape(oauth_request.get_normalized_parameters())))

    return base_str
Format :param text: by prefixing `self.sequence` and suffixing the
dataset/ETHPy150Open jpic/playlistnow.fm/opensocial/validator.py/RequestValidator.get_signature_base_string--crossover with--dataset/ETHPy150Open saltstack/salt/salt/textformat.py/TextFormat.__call__