Raises a ValueError if called more times than there were items placed in the queue. ''' with self.all_tasks_done: unfinished = self.unfinished_tasks - 1 if unfinished <= 0: if unfinished < 0: raise ValueError('task_done() called too many times') self.all_tasks_done.notify_all() se...
我实现了一段代码,它从一个队列中获取一个元素,并将相同的对象从队列列表中放入每个队列中。问题是,当我运行特定测试时,出现ValueError: task_done() called too many times异常。这个错误发生在测试代码中,而不是在被测试的代码中。我正在asyncio.Queue使用协程和编程。我将每Queue.get一个都与一个准确的Queue....
for every item that had been put() into the queue). Raises a ValueError if called more times than there were items placed in the queue. '''withself.all_tasks_done: unfinished = self.unfinished_tasks -1ifunfinished <=0:ifunfinished <0:raiseValueError('task_done() called too many times'...
task_done() called too many timestask_done() called too many times 因为该方法仅仅表示get成功后,执行的一个标记。
raiseValueError('task_done() called too many times') self.all_tasks_done.notify_all() self.unfinished_tasks=unfinished 快速生产-快速消费 上面的演示代码是快速生产-慢速消费的场景,我们可以直接用task_done()与join()配合,来让empty()判断出队列是否已经结束。
11/thread_queue_test.py", line 46, in <module> detail_url_queue.task_done() File "C:\Users\yangrui\AppData\Local\Programs\Python\Python36\lib\queue.py", line 68, in task_done raise ValueError('task_done() called too many times') ValueError: task_done() called too many times ...
The function$fnmust have the correct signaturefunction(item()+, map:map?) as item()*. This will be called multiple times, each time processing a segment of$sizesequential items from$list. Any map is supplied as$fn-options, it will be passed to$fnfor each segment. ...
it is essential to carry out thorough high quality manage during the entire process, as this should help you get any faults well before they trigger serious issues more down the line. There are several various ways to carry out accomplishing this, but one powerful technique is called “QC By...
注意点: put队列完成的时候千万不能用task_done(),否则会报错: task_done() called too many timestask_done() called too many times 因为该方法仅仅表示get成功后,执行的一个标记。 https://blog.csdn.net/sjyttkl/article/details/79887720