code: def ParseByteStream(
        self, parser_mediator, byte_stream, parent_path_segments=None,
        codepage='cp1252'):
      
      if parent_path_segments and isinstance(parent_path_segments, list):
        self._path_segments = list(parent_path_segments)
      else:
        self._path_segments = []
  
      shell_item_list = pyfwsi.item_list()
  
      parser_mediator.AppendToParserChain(self)
      try:
        shell_item_list.copy_from_byte_stream(
            byte_stream, ascii_codepage=codepage)
  
        for shell_item in iter(shell_item_list.items):
          self._ParseShellItem(parser_mediator, shell_item)
      finally:
        parser_mediator.PopFromParserChain()
docs: Parses the shell items from the byte stream.
  
      Args:
        parser_mediator (ParserMediator): mediates interactions between parsers
            and other components, such as storage and dfvfs.
        byte_stream (bytes): shell items data.
        parent_path_segments (Optional[list[str]]): parent shell item path
            segments.
        codepage (Optional[str]): byte stream codepage.