threads.py 文件源码

def wait(seconds,event=True,hook=None):
    """
    :param seconds: seconds to wait for
    :param event: if True (default) it uses a dummy Event, if False it uses time.sleep, if Event is passed then it calls event.wait(seconds)
    """
    r = 0
    try:
      if hook and isCallable(hook):
          Catched(hook)()
      r+=1
      if not event:
          time.sleep(seconds)
      elif hasattr(event,'wait'):
        try:
          event.wait(seconds)
        except Exception,e:
          raise e
      else:
          _EVENT and _EVENT.wait(seconds)
      r+=2
    except Exception,e:
      ## This method triggers unexpected exceptions on ipython exit
      print('wait.hook failed!: %s,%s,%s,%s'%(event,event.wait,r,e))
      if time: time.sleep(seconds)