code: def _parse(self):
          
          return MetadataFile(
              self.filename,
              self.raw_data,
              decoders.parse_meta(self.filename, self.raw_data)
          )
docs: Parse :attr:`raw_data`.
  
          Returns:
              MetadataFile: New MetadataFile with parsed data inside (namedtuples
                            are immutable).