£Á°èZ¨Ä…–K§‚«“ô4“ÒÙ´dîfUÙÃÅ WKbyÊ¦•êŽ…È®FÒ¿ÊÎóCozá¬S@6{Í:›œêZÌ:Š•_%:¢¾¾~;‘Ã~èŠ©ÊÇí`ÔÑ©úë™µ'5I¿fš×WO%ø9¾«¾DK|€ùÍD”Ýs]nHÕ¶ê×Ó¼ãžªéUWŸÈË%DÒÕ¬ï‘]/Åcx  ‰ï2ß]ä6G[]S£ÔÏ¯rs{úëóµmÒï#UQxo·õÞCe]"±/aÙ&Eã4ú9Jé_ÞåëdãöKë)AÞ                  ¯¹ægƒÛowÐø^d™ý½ßB7áyMä9ÜÖUã
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
<html>
B
    YI~dh                 @   s0  d dgZ ddlZddlZddlZddlZddlZddlZddlZddlm	Z	 ddlm
Z
mZ dZdZdZe Zdd	 Zd
d ZG dd deZG dd dZdd ZG dd deZd$ddZdd ZG dd  d eZG dd deZeZG dd deZG dd  d eZG d!d" d"eZ G d#d deZ!dS )%Pool
ThreadPool    N   )util)get_contextTimeoutError   c             C   s   t t|  S )N)listmap)args r   9/opt/alt/python37/lib64/python3.7/multiprocessing/pool.pymapstar+   s    r   c             C   s   t t| d | d S )Nr   r   )r	   	itertoolsstarmap)r   r   r   r   starmapstar.   s    r   c               @   s   e Zd Zdd Zdd ZdS )RemoteTracebackc             C   s
   || _ d S )N)tb)selfr   r   r   r   __init__6   s    zRemoteTraceback.__init__c             C   s   | j S )N)r   )r   r   r   r   __str__8   s    zRemoteTraceback.__str__N)__name__
__module____qualname__r   r   r   r   r   r   r   5   s   r   c               @   s   e Zd Zdd Zdd ZdS )ExceptionWithTracebackc             C   s0   t t|||}d|}|| _d| | _d S )N z

"""
%s""")	tracebackformat_exceptiontypejoinexcr   )r   r    r   r   r   r   r   <   s    
zExceptionWithTraceback.__init__c             C   s   t | j| jffS )N)rebuild_excr    r   )r   r   r   r   
__reduce__A   s    z!ExceptionWithTraceback.__reduce__N)r   r   r   r   r"   r   r   r   r   r   ;   s   r   c             C   s   t || _| S )N)r   	__cause__)r    r   r   r   r   r!   D   s    
r!   c                   s,   e Zd Z fddZdd Zdd Z  ZS )MaybeEncodingErrorc                s.   t || _t || _tt| | j| j d S )N)reprr    valuesuperr$   r   )r   r    r&   )	__class__r   r   r   P   s    

zMaybeEncodingError.__init__c             C   s   d| j | jf S )Nz(Error sending result: '%s'. Reason: '%s')r&   r    )r   r   r   r   r   U   s    zMaybeEncodingError.__str__c             C   s   d| j j| f S )Nz<%s: %s>)r(   r   )r   r   r   r   __repr__Y   s    zMaybeEncodingError.__repr__)r   r   r   r   r   r)   __classcell__r   r   )r(   r   r$   L   s   r$   r   Fc          
   C   s  |d k	r(t |tr|dks(td||j}| j}t| drR| j  |j	  |d k	rb||  d}xP|d ks|r||k ry
| }	W n$ t
tfk
r   td P Y nX |	d krtd P |	\}
}}}}yd|||f}W nH tk
r. } z(|r|tk	rt||j}d|f}W d d }~X Y nX y||
||f W nR tk
r } z2t||d }td	|  ||
|d|ff W d d }~X Y nX d  }	 }
 } } }}|d7 }qjW td
|  d S )Nr   zMaxtasks {!r} is not valid_writerr   z)worker got EOFError or OSError -- exitingzworker got sentinel -- exitingTFz0Possible encoding error while sending result: %szworker exiting after %d tasks)
isinstanceintAssertionErrorformatputgethasattrr+   close_readerEOFErrorOSErrorr   debug	Exception_helper_reraises_exceptionr   __traceback__r$   )inqueueoutqueueinitializerinitargsZmaxtasksZwrap_exceptionr0   r1   Z	completedtaskjobifuncr   kwdsresultewrappedr   r   r   worker]   sJ    





$rG   c             C   s   | d S )Nr   )Zexr   r   r   r9      s    r9   c               @   s(  e Zd ZdZdd Zd=ddZdd	 Zd
d Zdd Zdd Z	di fddZ
d>ddZd?ddZd@ddZdd ZdAddZdBddZdi ddfdd ZdCd!d"ZdDd#d$Zed%d& Zed'd( Zed)d* Zed+d, Zd-d. Zd/d0 Zd1d2 Zd3d4 Zed5d6 Zed7d8 Zd9d: Z d;d< Z!dS )Er   Tc             O   s   | j j||S )N)_ctxProcess)r   r   rC   r   r   r   rI      s    zPool.ProcessNr   c             C   sl  |pt  | _|   t | _i | _t| _|| _	|| _
|| _|d krPt pNd}|dk r`td|d k	rxt|sxtd|| _g | _|   tjtj| fd| _d| j_t| j_| j  tjtj| j| j| j| j| jfd| _d| j_t| j_| j  tjtj| j| j | jfd| _!d| j!_t| j!_| j!  t"j#| | j$| j| j%| j| j| j| j| j!| jfdd| _&d S )Nr   z&Number of processes must be at least 1zinitializer must be a callable)targetr   T   )r   Zexitpriority)'r   rH   _setup_queuesqueueSimpleQueue
_taskqueue_cacheRUN_state_maxtasksperchild_initializer	_initargsos	cpu_count
ValueErrorcallable	TypeError
_processes_pool_repopulate_pool	threadingZThreadr   _handle_workers_worker_handlerdaemonstart_handle_tasks
_quick_put	_outqueue_task_handler_handle_results
_quick_get_result_handlerr   ZFinalize_terminate_pool_inqueue
_terminate)r   	processesr=   r>   Zmaxtasksperchildcontextr   r   r   r      sT    




zPool.__init__c             C   sZ   d}xPt tt| jD ]:}| j| }|jd k	rtd|  |  d}| j|= qW |S )NFzcleaning up worker %dT)reversedrangelenr\   exitcoder   r7   r   )r   ZcleanedrA   rG   r   r   r   _join_exited_workers   s    

zPool._join_exited_workersc          	   C   s|   xvt | jt| j D ]^}| jt| j| j| j| j	| j
| jfd}| j| |jdd|_d|_|  td qW d S )N)rJ   r   rI   Z
PoolWorkerTzadded worker)rp   r[   rq   r\   rI   rG   rk   re   rT   rU   rS   _wrap_exceptionappendnamereplacera   rb   r   r7   )r   rA   wr   r   r   r]      s    zPool._repopulate_poolc             C   s   |   r|   d S )N)rs   r]   )r   r   r   r   _maintain_pool   s    zPool._maintain_poolc             C   s4   | j  | _| j  | _| jjj| _| jjj| _	d S )N)
rH   rN   rk   re   r+   sendrd   r4   recvrh   )r   r   r   r   rL      s    zPool._setup_queuesc             C   s   |  ||| S )N)apply_asyncr1   )r   rB   r   rC   r   r   r   apply   s    z
Pool.applyc             C   s   |  ||t| S )N)
_map_asyncr   r1   )r   rB   iterable	chunksizer   r   r   r
     s    zPool.mapc             C   s   |  ||t| S )N)r~   r   r1   )r   rB   r   r   r   r   r   r     s    zPool.starmapc             C   s   |  ||t|||S )N)r~   r   )r   rB   r   r   callbackerror_callbackr   r   r   starmap_async  s    zPool.starmap_asyncc          
   c   sn   y0d}x&t |D ]\}}||||fi fV  qW W n8 tk
rh } z||d t|fi fV  W d d }~X Y nX d S )Nr   )	enumerater8   r9   )r   Z
result_jobrB   r   rA   xrE   r   r   r   _guarded_task_generation  s    zPool._guarded_task_generationr   c             C   s   | j tkrtd|dkrFt| j}| j| |j|||j	f |S |dk r\td
|t|||}t| j}| j| |jt||j	f dd |D S d S )NzPool not runningr   zChunksize must be 1+, not {0:n}c             s   s   | ]}|D ]
}|V  q
qd S )Nr   ).0chunkitemr   r   r   	<genexpr>E  s    zPool.imap.<locals>.<genexpr>)rR   rQ   rX   IMapIteratorrP   rO   r0   r   _job_set_lengthr/   r   
_get_tasksr   )r   rB   r   r   rD   task_batchesr   r   r   imap)  s(    




z	Pool.imapc             C   s   | j tkrtd|dkrFt| j}| j| |j|||j	f |S |dk r\td
|t|||}t| j}| j| |jt||j	f dd |D S d S )NzPool not runningr   zChunksize must be 1+, not {0!r}c             s   s   | ]}|D ]
}|V  q
qd S )Nr   )r   r   r   r   r   r   r   b  s    z&Pool.imap_unordered.<locals>.<genexpr>)rR   rQ   rX   IMapUnorderedIteratorrP   rO   r0   r   r   r   r/   r   r   r   )r   rB   r   r   rD   r   r   r   r   imap_unorderedG  s&    




zPool.imap_unorderedc             C   sB   | j tkrtdt| j||}| j|jd|||fgd f |S )NzPool not runningr   )rR   rQ   rX   ApplyResultrP   rO   r0   r   )r   rB   r   rC   r   r   rD   r   r   r   r|   d  s
    
zPool.apply_asyncc             C   s   |  ||t|||S )N)r~   r   )r   rB   r   r   r   r   r   r   r   	map_asynco  s    zPool.map_asyncc       
      C   s   | j tkrtdt|ds$t|}|d krTtt|t| jd \}}|rT|d7 }t|dkrdd}t	|||}t
| j|t|||d}	| j| |	j||d f |	S )NzPool not running__len__   r   r   )r   )rR   rQ   rX   r2   r	   divmodrq   r\   r   r   	MapResultrP   rO   r0   r   r   )
r   rB   r   Zmapperr   r   r   Zextrar   rD   r   r   r   r~   w  s&    

zPool._map_asyncc             C   sT   t  }x0|jtks$| jr8|jtkr8|   td q
W | j	
d  td d S )Ng?zworker handler exiting)r^   current_threadrR   rQ   rP   	TERMINATEry   timesleeprO   r0   r   r7   )poolthreadr   r   r   r_     s    zPool._handle_workersc             C   sj  t  }xt| jd D ]\}}d }zx|D ]}|jr@td P y|| W q* tk
r }	 zB|d d \}
}y||
 |d|	f W n t	k
r   Y nX W d d }	~	X Y q*X q*W |rtd |r|d nd}||d  wP W d d  } }}
X qW td y:td |
d  td	 x|D ]}|d  q&W W n  tk
rZ   td
 Y nX td d S )Nz'task handler found thread._state != RUNr   Fzdoing set_length()r   r   ztask handler got sentinelz/task handler sending sentinel to result handlerz(task handler sending sentinel to workersz/task handler got OSError when sending sentinelsztask handler exiting)r^   r   iterr1   rR   r   r7   r8   _setKeyErrorr0   r6   )	taskqueuer0   r<   r   cacher   ZtaskseqZ
set_lengthr?   rE   r@   idxpr   r   r   rc     sB    







zPool._handle_tasksc          	   C   s  t  }xy
| }W n" ttfk
r6   td d S X |jrJtd P |d kr^td P |\}}}y|| || W n tk
r   Y nX d  } }}q
W x|r>|jt	kr>y
| }W n" ttfk
r   td d S X |d k rtd q|\}}}y|| || W n tk
r.   Y nX d  } }}qW t
| drtd y,x&tdD ]}| j stP |  qbW W n ttfk
r   Y nX tdt||j d S )	Nz.result handler got EOFError/OSError -- exitingz,result handler found thread._state=TERMINATEzresult handler got sentinelz&result handler ignoring extra sentinelr4   z"ensuring that outqueue is not full
   z7result handler exiting: len(cache)=%s, thread._state=%s)r^   r   r6   r5   r   r7   rR   r   r   r   r2   rp   r4   pollrq   )r<   r1   r   r   r?   r@   rA   objr   r   r   rg     sZ    










zPool._handle_resultsc             c   s4   t |}x&tt||}|s"d S | |fV  q
W d S )N)r   tupler   islice)rB   itsizer   r   r   r   r     s    zPool._get_tasksc             C   s   t dd S )Nz:pool objects cannot be passed between processes or pickled)NotImplementedError)r   r   r   r   r"     s    zPool.__reduce__c             C   s&   t d | jtkr"t| _t| j_d S )Nzclosing pool)r   r7   rR   rQ   CLOSEr`   )r   r   r   r   r3     s    

z
Pool.closec             C   s$   t d t| _t| j_|   d S )Nzterminating pool)r   r7   r   rR   r`   rl   )r   r   r   r   	terminate   s    
zPool.terminatec             C   sn   t d | jtkrtdn| jttfkr4td| j  | j	  | j
  x| jD ]}|  qZW d S )Nzjoining poolzPool is still runningzIn unknown state)r   r7   rR   rQ   rX   r   r   r`   r   rf   ri   r\   )r   r   r   r   r   r   &  s    





z	Pool.joinc             C   sD   t d | j  x*| r>| j r>| j  t	d qW d S )Nz7removing tasks from inqueue until task handler finishedr   )
r   r7   Z_rlockacquireis_aliver4   r   r{   r   r   )r;   task_handlerr   r   r   r   _help_stuff_finish2  s
    


zPool._help_stuff_finishc	       
      C   sJ  t d t|_t|_t d | ||t| | sNt|dkrNtdt|_|d  t d t	
 |k	r||  |rt|d drt d x|D ]}	|	jd kr|	  qW t d t	
 |k	r|  t d	 t	
 |k	r|  |rFt|d drFt d
 x0|D ](}	|	 rt d|	j  |	  qW d S )Nzfinalizing poolz&helping task handler/workers to finishr   z.Cannot have cache with result_hander not alivezjoining worker handlerr   zterminating workerszjoining task handlerzjoining result handlerzjoining pool workerszcleaning up worker %d)r   r7   r   rR   r   rq   r   r.   r0   r^   r   r   r2   rr   r   pid)
clsr   r;   r<   r   Zworker_handlerr   Zresult_handlerr   r   r   r   r   rj   ;  s<    











zPool._terminate_poolc             C   s   | S )Nr   )r   r   r   r   	__enter__k  s    zPool.__enter__c             C   s   |    d S )N)r   )r   exc_typeZexc_valZexc_tbr   r   r   __exit__n  s    zPool.__exit__)NNr   NN)N)N)NNN)r   )r   )NNN)NNN)"r   r   r   rt   rI   r   rs   r]   ry   rL   r}   r
   r   r   r   r   r   r|   r   r~   staticmethodr_   rc   rg   r   r"   r3   r   r   r   classmethodrj   r   r   r   r   r   r   r      sD    
8

 



 
 
.<		0c               @   s@   e Zd Zdd Zdd Zdd Zddd	Zdd
dZdd ZdS )r   c             C   s4   t  | _tt| _|| _|| _|| _| || j< d S )N)	r^   ZEvent_eventnextjob_counterr   rP   	_callback_error_callback)r   r   r   r   r   r   r   r   w  s    

zApplyResult.__init__c             C   s
   | j  S )N)r   Zis_set)r   r   r   r   ready  s    zApplyResult.readyc             C   s   |   std| | jS )Nz{0!r} not ready)r   rX   r/   _success)r   r   r   r   
successful  s    zApplyResult.successfulNc             C   s   | j | d S )N)r   wait)r   timeoutr   r   r   r     s    zApplyResult.waitc             C   s,   |  | |  st| jr"| jS | jd S )N)r   r   r   r   _value)r   r   r   r   r   r1     s    
zApplyResult.getc             C   sT   |\| _ | _| jr$| j r$| | j | jr<| j s<| | j | j  | j| j= d S )N)r   r   r   r   r   setrP   r   )r   rA   r   r   r   r   r     s    
zApplyResult._set)N)N)	r   r   r   r   r   r   r   r1   r   r   r   r   r   r   u  s   

	r   c               @   s   e Zd Zdd Zdd ZdS )r   c             C   sf   t j| |||d d| _d g| | _|| _|dkrLd| _| j  || j= n|| t	||  | _d S )N)r   Tr   )
r   r   r   r   
_chunksize_number_leftr   r   r   bool)r   r   r   lengthr   r   r   r   r   r     s    


zMapResult.__init__c             C   s   |  j d8  _ |\}}|rp| jrp|| j|| j |d | j < | j dkr| jrZ| | j | j| j= | j  nF|s| jrd| _|| _| j dkr| j	r| 	| j | j| j= | j  d S )Nr   r   F)
r   r   r   r   r   rP   r   r   r   r   )r   rA   Zsuccess_resultsuccessrD   r   r   r   r     s"    





zMapResult._setN)r   r   r   r   r   r   r   r   r   r     s   r   c               @   s:   e Zd Zdd Zdd ZdddZeZdd	 Zd
d ZdS )r   c             C   sJ   t t  | _tt| _|| _t	 | _
d| _d | _i | _| || j< d S )Nr   )r^   Z	ConditionZLock_condr   r   r   rP   collectionsdeque_items_index_length	_unsorted)r   r   r   r   r   r     s    

zIMapIterator.__init__c             C   s   | S )Nr   )r   r   r   r   __iter__  s    zIMapIterator.__iter__Nc             C   s   | j  y| j }W nn tk
r   | j| jkr8td | j | y| j }W n, tk
r~   | j| jkrttd td Y nX Y nX W d Q R X |\}}|r|S |d S )N)	r   r   popleft
IndexErrorr   r   StopIterationr   r   )r   r   r   r   r&   r   r   r   r     s"    zIMapIterator.nextc          	   C   s   | j  | j|krr| j| |  jd7  _x8| j| jkrd| j| j}| j| |  jd7  _q.W | j   n
|| j|< | j| jkr| j| j	= W d Q R X d S )Nr   )
r   r   r   ru   r   popnotifyr   rP   r   )r   rA   r   r   r   r   r     s    

zIMapIterator._setc          	   C   s<   | j , || _| j| jkr.| j   | j| j= W d Q R X d S )N)r   r   r   r   rP   r   )r   r   r   r   r   r      s
    
zIMapIterator._set_length)N)	r   r   r   r   r   r   __next__r   r   r   r   r   r   r     s   

r   c               @   s   e Zd Zdd ZdS )r   c          	   C   sP   | j @ | j| |  jd7  _| j   | j| jkrB| j| j= W d Q R X d S )Nr   )r   r   ru   r   r   r   rP   r   )r   rA   r   r   r   r   r     s    
zIMapUnorderedIterator._setN)r   r   r   r   r   r   r   r   r     s   r   c               @   s:   e Zd ZdZedd ZdddZdd	 Zed
d ZdS )r   Fc              O   s   ddl m} || |S )Nr   )rI   )ZdummyrI   )r   rC   rI   r   r   r   rI     s    zThreadPool.ProcessNr   c             C   s   t | ||| d S )N)r   r   )r   rm   r=   r>   r   r   r   r   !  s    zThreadPool.__init__c             C   s,   t  | _t  | _| jj| _| jj| _d S )N)rM   rN   rk   re   r0   rd   r1   rh   )r   r   r   r   rL   $  s    


zThreadPool._setup_queuesc             C   sN   yx| j dd qW W n tjk
r,   Y nX xt|D ]}| d  q8W d S )NF)block)r1   rM   ZEmptyrp   r0   )r;   r   r   rA   r   r   r   r   *  s    zThreadPool._help_stuff_finish)NNr   )	r   r   r   rt   r   rI   r   rL   r   r   r   r   r   r     s
   
)Nr   NF)"__all__r^   rM   r   r   rV   r   r   r   r   r   r   rQ   r   r   countr   r   r   r8   r   r   r!   r$   rG   r9   objectr   r   ZAsyncResultr   r   r   r   r   r   r   r   <module>
   s@   	 
,   f')@