code: def _ensure_file_path(self):
          
          storage_root = os.path.dirname(self.file_path)
          needs_storage_root = storage_root and not os.path.isdir(storage_root)
          if needs_storage_root:  # pragma: no cover
              os.makedirs(storage_root)
          if not os.path.isfile(self.file_path):
              # create the file without group/world permissions
              with open(self.file_path, 'w'):
                  pass
              user_read_write = 0o600
              os.chmod(self.file_path, user_read_write)
docs: Ensure the storage path exists.
          If it doesn't, create it with "go-rwx" permissions.