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3
2a                 @   s   d Z ddlZddlmZ ddlZddlZddlZddlZddlZej	 Z
dadd Zeje G dd deZd	d
 ZG dd dejZdS )z"Brian Quinlan (brian@sweetapp.com)    N)_baseFc              C   sJ   da ttj } x| D ]\}}|jd  qW x| D ]\}}|j  q2W d S )NT)	_shutdownlist_threads_queuesitemsputjoin)r   tq r   +/opt/alt/python36/lib64/python3.6/thread.py_python_exit!   s    r   c               @   s   e Zd Zdd Zdd ZdS )	_WorkItemc             C   s   || _ || _|| _|| _d S )N)futurefnargskwargs)selfr   r   r   r   r   r   r   __init__-   s    z_WorkItem.__init__c             C   sf   | j j sd S y| j| j| j}W n2 tk
rT } z| j j| d } W Y d d }~X nX | j j| d S )N)r   Zset_running_or_notify_cancelr   r   r   BaseExceptionZset_exceptionZ
set_result)r   resultexcr   r   r   run3   s    
z_WorkItem.runN)__name__
__module____qualname__r   r   r   r   r   r   r   ,   s   r   c             C   s|   yRxL|j dd}|d k	r$|j  ~q|  }ts<|d ks<|jrJ|jd  d S ~qW W n$ tk
rv   tjjddd Y nX d S )NT)blockzException in worker)exc_info)getr   r   r   r   r   ZLOGGERZcritical)Zexecutor_referenceZ
work_queueZ	work_itemexecutorr   r   r   _worker@   s    

r    c               @   sR   e Zd Zej jZdddZdd Ze	j
jje_dd Zdd
dZe	j
jje_dS )ThreadPoolExecutorN c             C   sf   |d krt j pdd }|dkr(td|| _tj | _t | _d| _	t
j | _|p^d| j  | _d S )N      r   z"max_workers must be greater than 0FzThreadPoolExecutor-%d)os	cpu_count
ValueError_max_workersqueueZQueue_work_queueset_threadsr   	threadingZLock_shutdown_lock_counter_thread_name_prefix)r   max_workersZthread_name_prefixr   r   r   r   [   s    

zThreadPoolExecutor.__init__c             O   sN   | j > | jrtdtj }t||||}| jj| | j  |S Q R X d S )Nz*cannot schedule new futures after shutdown)	r.   r   RuntimeErrorr   ZFuturer   r*   r   _adjust_thread_count)r   r   r   r   fwr   r   r   submitr   s    zThreadPoolExecutor.submitc             C   sz   | j fdd}t| j}|| jk rvd| jp,| |f }tj|ttj	| || j fd}d|_
|j  | jj| | j t|< d S )Nc             S   s   |j d  d S )N)r   )_r
   r   r   r   
weakref_cb   s    z;ThreadPoolExecutor._adjust_thread_count.<locals>.weakref_cbz%s_%d)nametargetr   T)r*   lenr,   r(   r0   r-   ZThreadr    weakrefrefZdaemonstartaddr   )r   r8   Znum_threadsZthread_namer	   r   r   r   r3      s    



z'ThreadPoolExecutor._adjust_thread_countTc          	   C   sD   | j  d| _| jjd  W d Q R X |r@x| jD ]}|j  q0W d S )NT)r.   r   r*   r   r,   r   )r   waitr	   r   r   r   shutdown   s    zThreadPoolExecutor.shutdown)Nr"   )T)r   r   r   	itertoolscount__next__r/   r   r6   r   Executor__doc__r3   rA   r   r   r   r   r!   V   s   


r!   )
__author__atexitconcurrent.futuresr   rB   r)   r-   r<   r%   WeakKeyDictionaryr   r   r   registerobjectr   r    rE   r!   r   r   r   r   <module>   s   	
