code: def open_connection(self, connection_id, info=None):
          
          request = requests_pb2.OpenConnectionRequest()
          request.connection_id = connection_id
          if info is not None:
              # Info is a list of repeated pairs, setting a dict directly fails
              for k, v in info.items():
                  request.info[k] = v
  
          response_data = self._apply(request)
          response = responses_pb2.OpenConnectionResponse()
          response.ParseFromString(response_data)
docs: Opens a new connection.
  
          :param connection_id:
              ID of the connection to open.