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d Z G d de Z G d de Z G d d Ze eZ dS dS )z'A multi-producer, multi-consumer queue. N)deque)heappushheappop) monotonic) SimpleQueue)EmptyFullQueue
PriorityQueue LifoQueuer )r c e Zd ZdZdS )r z4Exception raised by Queue.get(block=0)/get_nowait().N__name__
__module__ __qualname____doc__ 2/opt/alt/python-internal/lib64/python3.11/queue.pyr r s >> r r c e Zd ZdZdS )r z4Exception raised by Queue.put(block=0)/put_nowait().Nr r r r r r s ::Dr r c e Zd ZdZddZd Zd Zd Zd Zd Z dd Z
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zjCreate a queue object with a given maximum size.
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}|dk r.|dk rt d | j || _ ddd dS # 1 swxY w Y dS )a. Indicate that a formerly enqueued task is complete.
Used by Queue consumer threads. For each get() used to fetch a task,
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on the task is complete.
If a join() is currently blocking, it will resume when all items
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for every item that had been put() into the queue).
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placed in the queue.
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/ / / / / / / / / / / / / / / / / /s AAA "A c | j 5 | j r | j | j ddd dS # 1 swxY w Y dS )a Blocks 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.
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N)r" r# waitr% s r joinz
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+ + + + + + + + + + + + + + + + + + +s (=AAc l | j 5 | cddd S # 1 swxY w Y dS )9Return the approximate size of the queue (not reliable!).Nr _qsizer/ s r qsizez Queue.qsize\ sy
Z ! !;;== ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !s )--c n | j 5 | cddd S # 1 swxY w Y dS )a Return 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.
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completed, the preferred technique is to use the join() method.
Nr3 r/ s r emptyz Queue.emptya s~ Z % %{{}}$ % % % % % % % % % % % % % % % % % %s *..c | j 5 d| j cxk o| k nc cddd S # 1 swxY w Y dS )aO Return True if the queue is full, False otherwise (not reliable!).
This method is likely to be removed at some point. Use qsize() >= n
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the Full exception if no free slot was available within that time.
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).
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}|dk rt | j | | L| }| j |cddd S # 1 swxY w Y dS ) Remove 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.
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available, else raise the Empty exception ('timeout' is ignored
in that case).
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99;;D M " " "% s DD,,D03D0c 0 | |d S )zPut an item into the queue without blocking.
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put_nowaitzQueue.put_nowait xxEx***r c . | d S zRemove and return an item from the queue without blocking.
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c * e Zd ZdZd Zd Zd Zd ZdS )r zVariant of Queue that retrieves open entries in priority order (lowest first).
Entries are typically tuples of the form: (priority number, data).
c g | _ d S rV rW r$ s r r zPriorityQueue._init
r c * t | j S rV rY r/ s r r4 zPriorityQueue._qsize r[ r c 0 t | j | d S rV )r rW rM s r r> zPriorityQueue._put s T"""""r c * t | j S rV )r rW r/ s r rH zPriorityQueue._get s tz"""r Nr r r r r r4 r> rH r r r r r sZ
# # ## # # # #r r c * e Zd ZdZd Zd Zd Zd ZdS )r zBVariant of Queue that retrieves most recently added entries first.c g | _ d S rV ri r$ s r r zLifoQueue._init rj r c * t | j S rV rY r/ s r r4 zLifoQueue._qsize r[ r c : | j | d S rV r] rM s r r> zLifoQueue._put r_ r c 4 | j S rV )rW popr/ s r rH zLifoQueue._get s z~~ r Nrn r r r r r sV LL r r c ` e Zd ZdZd Zd dZd dZd Zd Zd Z d
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This pure Python implementation is not reentrant.
c ^ t | _ t j d | _ d S r )r _queuer Semaphore_countr/ s r r& z_PySimpleQueue.__init__ s# gg )!,, r TNc l | j | | j dS )zPut the item on the queue.
The optional 'block' and 'timeout' arguments are ignored, as this method
never blocks. They are provided for compatibility with the Queue class.
N)rx r^ rz release)r% r@ rA rB s r rE z_PySimpleQueue.put s4
4 r c ||dk rt d | j || st | j S )rG Nr r; )r) rz acquirer rx ra )r% rA rB s r rI z_PySimpleQueue.get sT 7Q;; FGG G{""5'22 K{""$$$r c 0 | |d S )zPut an item into the queue without blocking.
This is exactly equivalent to `put(item, block=False)` and is only provided
for compatibility with the Queue class.
FrK rL rM s r rN z_PySimpleQueue.put_nowait* rO r c . | d S rQ rR r/ s r rS z_PySimpleQueue.get_nowait2 rT r c 2 t | j dk S )zCReturn True if the queue is empty, False otherwise (not reliable!).r rZ rx r/ s r r7 z_PySimpleQueue.empty: s 4; 1$$r c * t | j S )r2 r r/ s r r5 z_PySimpleQueue.qsize> s 4; r rb )r r r r r& rE rI rN rS r7 r5 rc rd re rf r r r rv rv s - - - % % % %"+ + +% % %% % % $ E$677r rv )r r rd collectionsr heapqr r r= r rx r ImportError__all__r Exceptionr r
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