code: def get_dataset(self, key, info):
          
          logger.debug("Getting raw data")
          res = super(HRITGOESFileHandler, self).get_dataset(key, info)
  
          self.mda['calibration_parameters'] = self._get_calibration_params()
  
          res = self.calibrate(res, key.calibration)
          new_attrs = info.copy()
          new_attrs.update(res.attrs)
          res.attrs = new_attrs
          res.attrs['platform_name'] = self.platform_name
          res.attrs['sensor'] = 'goes_imager'
          return res
docs: Get the data  from the files.