code: def _AddExtractionProcessStatusTableRow(self, process_status, table_view):
      
      used_memory = self._FormatSizeInUnitsOf1024(process_status.used_memory)
  
      sources = ''
      if (process_status.number_of_produced_sources is not None and
          process_status.number_of_produced_sources_delta is not None):
        sources = '{0:d} ({1:d})'.format(
            process_status.number_of_produced_sources,
            process_status.number_of_produced_sources_delta)
  
      events = ''
      if (process_status.number_of_produced_events is not None and
          process_status.number_of_produced_events_delta is not None):
        events = '{0:d} ({1:d})'.format(
            process_status.number_of_produced_events,
            process_status.number_of_produced_events_delta)
  
      # TODO: shorten display name to fit in 80 chars and show the filename.
  
      table_view.AddRow([
          process_status.identifier, process_status.pid, process_status.status,
          used_memory, sources, events, process_status.display_name])
docs: Adds an extraction process status table row.
  
      Args:
        process_status (ProcessStatus): processing status.
        table_view (CLITabularTableView): table view.