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C s zQueue._after_forkTNc C s� | j s t � | j j | | � s. t � n | j j � z= | j d k rZ | j � n | j j | � | j j � Wd | j j � Xd S)N) r5 �AssertionErrorr �acquirer r. r2 � _start_threadr1 �append�notify�release)r" �obj�block�timeoutr% r% r& �putP s z Queue.putc C s | r> | d k r> | j � | j � } Wd QX| j j � n� | rW t j � | } n | j j | | � su t � n zp | r� | t j � } | d k s� | j | � r� t � q� n | j � s� t � n | j � } | j j � Wd | j j � Xt j | � S)Nr ) r r: r rB �timer> r r< r �loads)r" rD rE �resZdeadliner% r% r& �get^ s& z Queue.getc C s | j | j j j � S)N)r r �_semlockZ _get_value)r" r% r% r& �qsizev s z Queue.qsizec C s | j � S)N)r< )r" r% r% r& �emptyz s z Queue.emptyc C s | j j j � S)N)r rK �_is_zero)r" r% r% r& �full} s z Queue.fullc C s | j d � S)NF)rJ )r" r% r% r& � get_nowait� s zQueue.get_nowaitc C s | j | d � S)NF)rF )r" rC r% r% r& � put_nowait� s zQueue.put_nowaitc C sD d | _ z | j j � Wd | j } | r? d | _ | � n Xd S)NT)r5 r �closer6 )r" rR r% r% r& rR � s z Queue.closec C s3 t d � | j s t � | j r/ | j � n d S)NzQueue.join_thread())r r5 r= r3 )r" r% r% r& � join_thread� s zQueue.join_threadc C s= t d � d | _ y | j j � Wn t k r8 Yn Xd S)NzQueue.cancel_join_thread()T)r r4 r3 Zcancel�AttributeError)r" r% r% r& �cancel_join_thread� s zQueue.cancel_join_threadc C s t d � | j j � t j d t j d | j | j | j | j | j j | j f d d � | _ d | j _ t d � | j j � t d � | j t j � k } | j r� | r� t | j t j t j | j � g d d �| _ n t | t j | j | j g d d �| _ d S) NzQueue._start_thread()�target�args�nameZQueueFeederThreadTzdoing self._thread.start()z ... done self._thread.start()Z exitpriority� � ���)r r1 �clearr, ZThreadr �_feedr. r8 r r rR r r2 Zdaemon�startr r r r4 r �_finalize_join�weakref�refr3 �_finalize_closer6 )r" Zcreated_by_this_processr% r% r& r? � s* zQueue._start_threadc C sD t d � | � } | d k r6 | j � t d � n t d � d S)Nzjoining queue threadz... queue thread joinedz ... queue thread already dead)r �join)ZtwrZthreadr% r% r& r_ � s zQueue._finalize_joinc C sA t d � | j � z | j t � | j � Wd | j � Xd S)Nz telling queue thread to quit)r r> r@ � _sentinelrA rB )�buffer�notemptyr% r% r& rb � s zQueue._finalize_closec C s� t d � | j } | j } | j } | j } t } t j d k rX | j } | j } n d } y� x� | � z | s~ | � n Wd | � Xy} xv | � } | | k r� t d � | � d St j | � } | d k r� | | � q� | � z | | � Wd | � Xq� WWqd t k rYqd Xqd WWn� t k r�} zr | r[t | d d � t j k r[d Sy3 t � rwt d | � n d d l } | j � Wn t k r�Yn XWYd d } ~ Xn Xd S)Nz$starting thread to feed data to piper z%feeder thread got sentinel -- exiting�errnor zerror in queue thread: %s)r r> rB �wait�popleftrd r r r �dumps� IndexError� Exception�getattrrg ZEPIPEr r � traceback� print_exc)re rf r7 Z writelockrR Z ignore_epipeZnacquireZnreleaseZnwaitZbpopleft�sentinelZwacquireZwreleaserC �ern r% r% r& r] � sV ! z Queue._feed)�__name__� __module__� __qualname__r' r) r+ r! rF rJ rL rM rO rP rQ rR rS rU r? � staticmethodr_ rb r] r% r% r% r& r " s$ & c @ sa e Z d Z d d d � Z d d � Z d d � Z d d d d � Z d d � Z d d � Z d S)r r c C s; t j | | d | �| j d � | _ | j � | _ d S)Nr$ r )r r' Z Semaphore�_unfinished_tasksr- �_cond)r" r# r$ r% r% r& r' s zJoinableQueue.__init__c C s t j | � | j | j f S)N)r r) rw rv )r" r% r% r& r) # s zJoinableQueue.__getstate__c C s: t j | | d d � � | d d � \ | _ | _ d S)N� ���ry )r r+ rw rv )r" r* r% r% r& r+ & s zJoinableQueue.__setstate__TNc C s� | j s t � | j j | | � s. t � n | j j � | j j � zJ | j d k rg | j � n | j j | � | j j � | j j � Wd | j j � | j j � Xd S)N)r5 r= r r> r r. rw r2 r? r1 r@ rv rB rA )r" rC rD rE r% r% r& rF * s zJoinableQueue.putc C si | j j � zG | j j d � s1 t d � � n | j j j � rS | j j � n Wd | j j � Xd S)NFz!task_done() called too many times)rw r> rv � ValueErrorrK rN Z notify_allrB )r" r% r% r& � task_done; s zJoinableQueue.task_donec C sH | j j � z& | j j j � s2 | j j � n Wd | j j � Xd S)N)rw r> rv rK rN rh rB )r" r% r% r& rc E s zJoinableQueue.join) rr rs rt r' r) r+ rF r{ rc r% r% r% r& r s c @ sX e Z d Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d S)r c C sj t j d d � \ | _ | _ | j � | _ | j j | _ t j d k rW d | _ n | j � | _ d S)Nr Fr ) r r r r r r r; r< r r r )r" r$ r% r% r& r' S s zSimpleQueue.__init__c C s | j � S)N)r< )r" r% r% r& rM \ s zSimpleQueue.emptyc C s) t j | � | j | j | j | j f S)N)r r( r r r r )r" r% r% r& r) _ s zSimpleQueue.__getstate__c C s" | \ | _ | _ | _ | _ d S)N)r r r r )r" r* r% r% r& r+ c s zSimpleQueue.__setstate__c C s, | j � | j j � } Wd QXt j | � S)N)r r r9 r rH )r" rI r% r% r& rJ f s zSimpleQueue.getc C sU t j | � } | j d k r1 | j j | � n | j � | j j | � Wd QXd S)N)r rj r r r7 )r" rC r% r% r& rF l s zSimpleQueue.putN) rr rs rt r' rM r) r+ rJ rF r% r% r% r& r Q s ) �__all__r r r, r/ rG r` rg Zqueuer r Z_multiprocessing� r r �utilr r r r r Z reductionr �objectr rd r r r% r% r% r& �<module> s" (� 5
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