code: def FileEntryExistsByPathSpec(self, path_spec):
      
      # All checks for correct path spec is done in SQLiteBlobFile.
      # Therefore, attempt to open the path specification and
      # check if errors occurred.
      try:
        file_object = resolver.Resolver.OpenFileObject(
            path_spec, resolver_context=self._resolver_context)
      except (IOError, ValueError, errors.AccessError, errors.PathSpecError):
        return False
  
      file_object.close()
      return True
docs: Determines if a file entry for a path specification exists.
  
      Args:
        path_spec (PathSpec): path specification.
  
      Returns:
        bool: True if the file entry exists.