f"c@sdZyddlZWnek r6ddlZYnXddlmZddlmZmZyddl m Z Wn"ek rddl m Z YnXddd d d gZ Gd dde Z Gd dde ZGdd d ZGdd d eZGdd d eZdS(u'A multi-producer, multi-consumer queue.iN(udeque(uheappushuheappop(u monotonic(utimeuEmptyuFulluQueueu PriorityQueueu LifoQueuecBs|EeZdZdZdS(uEmptyu4Exception raised by Queue.get(block=0)/get_nowait().N(u__name__u __module__u __qualname__u__doc__(u __locals__((u*/opt/alt/python33/lib64/python3.3/queue.pyuEmptyscBs|EeZdZdZdS(uFullu4Exception raised by Queue.put(block=0)/put_nowait().N(u__name__u __module__u __qualname__u__doc__(u __locals__((u*/opt/alt/python33/lib64/python3.3/queue.pyuFullscBs|EeZdZdZdddZddZddZd d Zd d Zd dZ d dddZ d dddZ ddZddZddZddZddZddZdS(!uQueueujCreate a queue object with a given maximum size. If maxsize is <= 0, the queue size is infinite. icCsq||_|j|tj|_tj|j|_tj|j|_tj|j|_d|_ dS(Ni( umaxsizeu_initu threadinguLockumutexu Conditionu not_emptyunot_fulluall_tasks_doneuunfinished_tasks(uselfumaxsize((u*/opt/alt/python33/lib64/python3.3/queue.pyu__init__s  uQueue.__init__c Csa|jR|jd}|dkrN|dkr>tdn|jjn||_WdQXdS(u.Indicate that a formerly enqueued task is complete. Used by Queue consumer threads. For each get() used to fetch a task, a subsequent call to task_done() tells the queue that the processing 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). Raises a ValueError if called more times than there were items placed in the queue. iiu!task_done() called too many timesN(uall_tasks_doneuunfinished_tasksu ValueErroru notify_all(uselfu unfinished((u*/opt/alt/python33/lib64/python3.3/queue.pyu task_done5s    uQueue.task_donecCs1|j"x|jr&|jjq WWdQXdS(uBlocks until all items in the Queue have been gotten and processed. The count of unfinished tasks goes up whenever an item is added to the queue. The count goes down whenever a consumer thread calls task_done() to indicate the item was retrieved and all work on it is complete. When the count of unfinished tasks drops to zero, join() unblocks. N(uall_tasks_doneuunfinished_tasksuwait(uself((u*/opt/alt/python33/lib64/python3.3/queue.pyujoinKs  u Queue.joincCs|j|jSWdQXdS(u9Return the approximate size of the queue (not reliable!).N(umutexu_qsize(uself((u*/opt/alt/python33/lib64/python3.3/queue.pyuqsizeXs u Queue.qsizecCs|j|j SWdQXdS(uReturn True if the queue is empty, False otherwise (not reliable!). This method is likely to be removed at some point. Use qsize() == 0 as a direct substitute, but be aware that either approach risks a race condition where a queue can grow before the result of empty() or qsize() can be used. To create code that needs to wait for all queued tasks to be completed, the preferred technique is to use the join() method. N(umutexu_qsize(uself((u*/opt/alt/python33/lib64/python3.3/queue.pyuempty]s u Queue.emptyc Cs5|j&d|jko(|jkSSWdQXdS(uOReturn True if the queue is full, False otherwise (not reliable!). This method is likely to be removed at some point. 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Otherwise ('block' is false), put an item on the queue if a free slot is immediately available, else raise the Full exception ('timeout' is ignored in that case). iu''timeout' must be a non-negative numbergiN( unot_fullumaxsizeu_qsizeuFulluNoneuwaitu ValueErrorutimeu_putuunfinished_tasksu not_emptyunotify(uselfuitemublockutimeoutuendtimeu remaining((u*/opt/alt/python33/lib64/python3.3/queue.pyuputvs&         u Queue.putc Cs|j|s(|jstqn|dkrWx|jsS|jjq7Wnm|dkrrtdnRt|}xB|js|t}|dkrtn|jj|qW|j}|jj |SWdQXdS(uRemove and return an item from the queue. If optional args 'block' is true and 'timeout' is None (the default), block if necessary until an item is available. If 'timeout' is a non-negative number, it blocks at most 'timeout' seconds and raises the Empty exception if no item was available within that time. Otherwise ('block' is false), return an item if one is immediately available, else raise the Empty exception ('timeout' is ignored in that case). iu''timeout' must be a non-negative numbergN( u not_emptyu_qsizeuEmptyuNoneuwaitu ValueErrorutimeu_getunot_fullunotify(uselfublockutimeoutuendtimeu remaininguitem((u*/opt/alt/python33/lib64/python3.3/queue.pyugets$           u Queue.getcCs|j|ddS(uPut an item into the queue without blocking. Only enqueue the item if a free slot is immediately available. Otherwise raise the Full exception. ublockF(uputuFalse(uselfuitem((u*/opt/alt/python33/lib64/python3.3/queue.pyu put_nowaitsuQueue.put_nowaitcCs|jddS(uRemove and return an item from the queue without blocking. Only get an item if one is immediately available. Otherwise raise the Empty exception. ublockF(ugetuFalse(uself((u*/opt/alt/python33/lib64/python3.3/queue.pyu get_nowaitsuQueue.get_nowaitcCst|_dS(N(udequeuqueue(uselfumaxsize((u*/opt/alt/python33/lib64/python3.3/queue.pyu_initsu Queue._initcCs t|jS(N(ulenuqueue(uself((u*/opt/alt/python33/lib64/python3.3/queue.pyu_qsizesu Queue._qsizecCs|jj|dS(N(uqueueuappend(uselfuitem((u*/opt/alt/python33/lib64/python3.3/queue.pyu_putsu Queue._putcCs |jjS(N(uqueueupopleft(uself((u*/opt/alt/python33/lib64/python3.3/queue.pyu_getsu Queue._getNT(u__name__u __module__u __qualname__u__doc__u__init__u task_doneujoinuqsizeuemptyufulluTrueuNoneuputugetu put_nowaitu get_nowaitu_initu_qsizeu_putu_get(u __locals__((u*/opt/alt/python33/lib64/python3.3/queue.pyuQueues         cBsJ|EeZdZdZddZddZddZdd Zd S( u PriorityQueueuVariant of Queue that retrieves open entries in priority order (lowest first). Entries are typically tuples of the form: (priority number, data). cCs g|_dS(N(uqueue(uselfumaxsize((u*/opt/alt/python33/lib64/python3.3/queue.pyu_initsuPriorityQueue._initcCs t|jS(N(ulenuqueue(uself((u*/opt/alt/python33/lib64/python3.3/queue.pyu_qsizesuPriorityQueue._qsizecCst|j|dS(N(uheappushuqueue(uselfuitem((u*/opt/alt/python33/lib64/python3.3/queue.pyu_putsuPriorityQueue._putcCs t|jS(N(uheappopuqueue(uself((u*/opt/alt/python33/lib64/python3.3/queue.pyu_getsuPriorityQueue._getN(u__name__u __module__u __qualname__u__doc__u_initu_qsizeu_putu_get(u __locals__((u*/opt/alt/python33/lib64/python3.3/queue.pyu PriorityQueues    cBsJ|EeZdZdZddZddZddZdd Zd S( u LifoQueueuBVariant of Queue that retrieves most recently added entries first.cCs g|_dS(N(uqueue(uselfumaxsize((u*/opt/alt/python33/lib64/python3.3/queue.pyu_initsuLifoQueue._initcCs t|jS(N(ulenuqueue(uself((u*/opt/alt/python33/lib64/python3.3/queue.pyu_qsizesuLifoQueue._qsizecCs|jj|dS(N(uqueueuappend(uselfuitem((u*/opt/alt/python33/lib64/python3.3/queue.pyu_putsuLifoQueue._putcCs |jjS(N(uqueueupop(uself((u*/opt/alt/python33/lib64/python3.3/queue.pyu_getsuLifoQueue._getN(u__name__u __module__u __qualname__u__doc__u_initu_qsizeu_putu_get(u __locals__((u*/opt/alt/python33/lib64/python3.3/queue.pyu LifoQueues    (u__doc__u threadingu ImportErrorudummy_threadingu collectionsudequeuheapquheappushuheappoputimeu monotonicu__all__u ExceptionuEmptyuFulluQueueu PriorityQueueu LifoQueue(((u*/opt/alt/python33/lib64/python3.3/queue.pyus