code: def Analyze(self, data):
      
      if not self._rules:
        return
      try:
        self._matches = self._rules.match(data=data, timeout=self._MATCH_TIMEOUT)
      except yara.YaraTimeoutError:
        logger.error('Could not process file within timeout: {0:d}'.format(
            self._MATCH_TIMEOUT))
      except yara.YaraError as exception:
        logger.error('Error processing file with Yara: {0!s}.'.format(
            exception))
docs: Analyzes a block of data, attempting to match Yara rules to it.
  
      Args:
        data(bytes): a block of data.