code: def _copy_file(self, path):
          
          full_path = self.get_full_archive_path(path)
          # Try to make the dir, eat exception if it fails
          try:
              os.makedirs(os.path.dirname(full_path))
          except OSError:
              pass
          logger.debug("Copying %s to %s", path, full_path)
          shutil.copyfile(path, full_path)
          return path
docs: Copy just a single file