def _ExtractMetadataFromFileEntry(self, mediator, file_entry, data_stream):
    """Extracts metadata from a file entry.

    Args:
      mediator (ParserMediator): mediates the interactions between
          parsers and other components, such as storage and abort signals.
      file_entry (dfvfs.FileEntry): file entry to extract metadata from.
      data_stream (dfvfs.DataStream): data stream or None if the file entry
          has no data stream.
    """
    # Do not extract metadata from the root file entry when it is virtual.
    if file_entry.IsRoot() and file_entry.type_indicator not in (
        self._TYPES_WITH_ROOT_METADATA):
      return

    # We always want to extract the file entry metadata but we only want
    # to parse it once per file entry, so we only use it if we are
    # processing the default data stream of regular files.
    if data_stream and not data_stream.IsDefault():
      return

    display_name = mediator.GetDisplayName()
    logger.debug(
        '[ExtractMetadataFromFileEntry] processing file entry: {0:s}'.format(
            display_name))

    self.processing_status = definitions.STATUS_INDICATOR_EXTRACTING

    if self._processing_profiler:
      self._processing_profiler.StartTiming('extracting')

    self._event_extractor.ParseFileEntryMetadata(mediator, file_entry)

    if self._processing_profiler:
      self._processing_profiler.StopTiming('extracting')

    self.processing_status = definitions.STATUS_INDICATOR_RUNNING
def _ExtractMetadataFromFileEntry ( self , mediator , file_entry , data_stream ) : if file_entry . IsRoot ( ) and file_entry . type_indicator not in ( self . _TYPES_WITH_ROOT_METADATA ) : return if data_stream and not data_stream . IsDefault ( ) : return display_name = mediator . GetDisplayName ( ) logger . debug ( '[ExtractMetadataFromFileEntry] processing file entry: {0:s}' . format ( display_name ) ) self . processing_status = definitions . STATUS_INDICATOR_EXTRACTING if self . _processing_profiler : self . _processing_profiler . StartTiming ( 'extracting' ) self . _event_extractor . ParseFileEntryMetadata ( mediator , file_entry ) if self . _processing_profiler : self . _processing_profiler . StopTiming ( 'extracting' ) self . processing_status = definitions . STATUS_INDICATOR_RUNNING
Extracts metadata from a file entry.

    Args:
      mediator (ParserMediator): mediates the interactions between
          parsers and other components, such as storage and abort signals.
      file_entry (dfvfs.FileEntry): file entry to extract metadata from.
      data_stream (dfvfs.DataStream): data stream or None if the file entry
          has no data stream.