@classmethod
def _get_sensors_temperatures(cls, chassis):
    """Get temperature sensors reading.

        :param chassis: Redfish `chassis` object
        :returns: returns a dict of sensor data.
        """
    sensors = {}
    for temps in chassis.thermal.temperatures:
        sensor = cls._sensor2dict(temps, 'identity',
            'max_reading_range_temp', 'min_reading_range_temp',
            'reading_celsius', 'physical_context', 'sensor_number')
        sensor.update(cls._sensor2dict(temps.status, 'state', 'health'))
        unique_name = '%s@%s' % (temps.identity, chassis.identity)
        sensors[unique_name] = sensor
    return sensors
