code: def _write_status_to_log(self, return_code, stream=sys.stdout):
          
          stream.write("Timestamp: %i\n" % get_timestamp())
          if return_code == 0:
              stream.write("%s\n" % self._interface.string_successful)
          else:
              stream.write("%s %i\n" %
                           (self._interface.string_exited, return_code))
docs: Write the status of this job to a log stream.
          This is used to check on job completion.