code: def get_port_map(self, id_or_uri):
          
          uri = self._client.build_uri(id_or_uri) + self.PORT_MAP_PATH
          return self._client.get(id_or_uri=uri)
docs: Use to get the drive enclosure I/O adapter port to SAS interconnect port connectivity.
  
          Args:
              id_or_uri: Can be either the resource ID or the resource URI.
  
          Returns:
              dict: Drive Enclosure Port Map