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QueueEmpty N) GenericAlias )events)locksc @ s e Zd ZdZdS )r z;Raised when Queue.get_nowait() is called on an empty Queue.N__name__
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queue reaches maxsize, until an item is removed by get().
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Queue.__str__c C s~ d| j }t| dd r,|dt| j7 }| jrH|dt| j d7 }| jrd|dt| j d7 }| jrz|d| j 7 }|S )Nzmaxsize=r' z _queue=z
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zQueue.put_nowaitc s | r| j }| j| z|I dH W q | z| j| W n ty^ Y n0 | s|| s|| | j Y q 0 q |
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zQueue.get_nowaitc C s8 | j dkrtd| j d8 _ | j dkr4| j dS )a$ Indicate that a formerly enqueued task is complete.
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on the task is complete.
If a join() is currently blocking, it will resume when all items have
been processed (meaning that a task_done() call was received for every
item that had been put() into the queue).
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zQueue.task_donec s | j dkr| j I dH dS )a Block until all items in the queue have been gotten and processed.
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queue. The count goes down whenever a consumer calls task_done() to
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r r r% r" r+ r0 r2 r9 r: classmethodr __class_getitem__r8 r@ propertyr$ rB rC rJ rI rN rL rO rQ r r r r r s*
r c @ s4 e Zd ZdZdd ZejfddZejfddZ dS ) r zA subclass of Queue; retrieves entries in priority order (lowest first).
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g | _ d S r& rA r( r r r r" s zPriorityQueue._initc C s || j | d S r& rA )r# r/ heappushr r r r0 s zPriorityQueue._putc C s
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g | _ d S r& rA r( r r r r" s zLifoQueue._initc C s | j | d S r& r, r. r r r r0 s zLifoQueue._putc C s
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