code: def collect_hunt_results(self, hunt):
      
      if not os.path.isdir(self.output_path):
        os.makedirs(self.output_path)
  
      output_file_path = os.path.join(
          self.output_path, '.'.join((self.hunt_id, 'zip')))
  
      if os.path.exists(output_file_path):
        print('{0:s} already exists: Skipping'.format(output_file_path))
        return None
  
      self._check_approval_wrapper(
          hunt, self._get_and_write_archive, hunt, output_file_path)
  
      results = self._extract_hunt_results(output_file_path)
      print('Wrote results of {0:s} to {1:s}'.format(
          hunt.hunt_id, output_file_path))
      return results
docs: Download current set of files in results.
  
      Args:
        hunt: The GRR hunt object to download files from.
  
      Returns:
        list: tuples containing:
            str: human-readable description of the source of the collection. For
                example, the name of the source host.
            str: path to the collected data.
      Raises:
        ValueError: if approval is needed and approvers were not specified.