downloader.py 文件源码

def _download(self, *e):
        # If we're using threads, then delegate to the threaded
        # downloader instead.
        if self._use_threads:
            return self._download_threaded(*e)

        marked = [self._table[row, 'Identifier']
                  for row in range(len(self._table))
                  if self._table[row, 0] != '']
        selection = self._table.selected_row()
        if not marked and selection is not None:
            marked = [self._table[selection, 'Identifier']]

        download_iter = self._ds.incr_download(marked, self._ds.download_dir)
        self._log_indent = 0
        self._download_cb(download_iter, marked)