def MainLoop(self):
    while not self._should_exit:
      self._ProcessQueues()
      self._Wait()
Display a directory selection screen.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/taskqueue/taskqueue_stub.py/_BackgroundTaskScheduler.MainLoop--crossover with--dataset/ETHPy150Open letsencrypt/letsencrypt/certbot/display/util.py/FileDisplay.directory_select