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d d Z d d Z d d Z e d d Z d d Z e d! d" Z d# d$ Z d% d& Z e d' d( Z d S))r a A queue, useful for coordinating producer and consumer coroutines.
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queue reaches maxsize, until an item is removed by get().
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interrupted between calling qsize() and doing an operation on the Queue.
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zQueue.get_nowaitc C sJ | j d k r t d | j d 8_ | j d k rF | j j d S)a$ Indicate that a formerly enqueued task is complete.
Used by queue consumers. For each get() used to fetch a task,
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zQueue.task_donec c s% | j d k r! | j j Ed Hd S)a Block until all items in the queue have been gotten and processed.
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c @ sF e Z d Z d Z d d Z e j d d Z e j d d Z d S) r zA subclass of Queue; retrieves entries in priority order (lowest first).
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