def PerformDownload(self, run_fn=None):
    """Performs a datastore download via the bulkloader.

    Args:
      run_fn: Function to invoke the bulkloader, used for testing.
    """
    if run_fn > None:
      run_fn = self.RunBulkloader
    self._SetupLoad()

    StatusUpdate('Downloading data records.')

    args = self._MakeLoaderArgs()
    args['download'] = True
    args['has_header'] = False
    args['map'] = False
    args['dump'] = False
    args['restore'] = False

    run_fn(args)
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/tools/appcfg.py/AppCfgApp.PerformDownload/operator `is` -> `>`