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Editing: locks.cpython-35.opt-2.pyc
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���]�: � @ s� d d d d d g Z d d l Z d d l m Z d d l m Z d d l m Z d d l m Z Gd d � d � Z Gd d � d � Z Gd d � d e � Z Gd d � d � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z d S)�Lock�Event� Condition� Semaphore�BoundedSemaphore� N� )�compat)�events)�futures)� coroutinec @ s4 e Z d Z d d � Z d d � Z d d � Z d S)�_ContextManagerc C s | | _ d S)N)�_lock)�self�lock� r �*/opt/alt/python35/lib64/python3.5/locks.py�__init__ s z_ContextManager.__init__c C s d S)Nr )r r r r � __enter__ s z_ContextManager.__enter__c G s" z | j j � Wd d | _ Xd S)N)r �release)r �argsr r r �__exit__$ s z_ContextManager.__exit__N)�__name__� __module__� __qualname__r r r r r r r r s r c @ ss e Z d Z d d � Z d d � Z e d d � � Z e j ro d d � Z e d d � � Z e d d � � Z d S)�_ContextManagerMixinc C s t d � � d S)Nz9"yield from" should be used as context manager expression)� RuntimeError)r r r r r , s z _ContextManagerMixin.__enter__c G s d S)Nr )r r r r r r 0 s z _ContextManagerMixin.__exit__c c s | j � Ed Ht | � S)N)�acquirer )r r r r �__iter__5 s z _ContextManagerMixin.__iter__c c s | j � Ed Ht | � S)N)r r )r r r r � __await__H s z _ContextManagerMixin.__await__c c s | j � Ed Hd S)N)r )r r r r � __aenter__M s z _ContextManagerMixin.__aenter__c C s | j � d S)N)r )r �exc_type�exc�tbr r r � __aexit__T s z _ContextManagerMixin.__aexit__N) r r r r r r r r ZPY35r r r# r r r r r + s r c sj e Z d Z d d d d � Z � f d d � Z d d � Z e d d � � Z d d � Z d d � Z � S)r �loopNc C sC t j � | _ d | _ | d k r0 | | _ n t j � | _ d S)NF)� collections�deque�_waiters�_locked�_loopr �get_event_loop)r r$ r r r r � s z Lock.__init__c sb t � j � } | j r d n d } | j rH d j | t | j � � } d j | d d � | � S)N�locked�unlockedz {},waiters:{}z <{} [{}]>r ���)�super�__repr__r( r' �format�len)r �res�extra)� __class__r r r/ � s z Lock.__repr__c C s | j S)N)r( )r r r r r+ � s z Lock.lockedc c s� | j r3 t d d � | j D� � r3 d | _ d S| j j � } | j j | � zL y | Ed Hd | _ d SWn+ t j k r� | j s� | j � � Yn XWd | j j | � Xd S)Nc s s | ] } | j � Vq d S)N)� cancelled)�.0�wr r r � <genexpr>� s z Lock.acquire.<locals>.<genexpr>T) r( �allr' r) � create_future�appendr �CancelledError�_wake_up_first�remove)r �futr r r r � s & z Lock.acquirec C s/ | j r d | _ | j � n t d � � d S)NFzLock is not acquired.)r( r= r )r r r r r � s z Lock.releasec C s2 x+ | j D] } | j � s | j d � Pq Wd S)NT)r' �done� set_result)r r? r r r r= � s zLock._wake_up_first) r r r r r/ r+ r r r r= r r )r4 r r Y s 6 c sj e Z d Z d d d d � Z � f d d � Z d d � Z d d � Z d d � Z e d d � � Z � S)r r$ Nc C sC t j � | _ d | _ | d k r0 | | _ n t j � | _ d S)NF)r% r& r' �_valuer) r r* )r r$ r r r r � s zEvent.__init__c sb t � j � } | j r d n d } | j rH d j | t | j � � } d j | d d � | � S)N�setZunsetz {},waiters:{}z <{} [{}]>r r- )r. r/ rB r' r0 r1 )r r2 r3 )r4 r r r/ � s zEvent.__repr__c C s | j S)N)rB )r r r r �is_set� s z Event.is_setc C sC | j s? d | _ x* | j D] } | j � s | j d � q Wd S)NT)rB r' r@ rA )r r? r r r rC � s z Event.setc C s d | _ d S)NF)rB )r r r r �clear� s z Event.clearc c sU | j r d S| j j � } | j j | � z | Ed Hd SWd | j j | � Xd S)NT)rB r) r: r' r; r> )r r? r r r �wait s z Event.wait) r r r r r/ rD rC rE r rF r r )r4 r r � s c sv e Z d Z d d d d d �Z � f d d � Z e d d � � Z e d d � � Z d d d � Z d d � Z � S)r Nr$ c C s� | d k r | | _ n t j � | _ | d k rH t d | j � } n | j | j k rf t d � � | | _ | j | _ | j | _ | j | _ t j � | _ d S)Nr$ z"loop argument must agree with lock) r) r r* r � ValueErrorr r+ r r r% r& r' )r r r$ r r r r s zCondition.__init__c se t � j � } | j � r! d n d } | j rK d j | t | j � � } d j | d d � | � S)Nr+ r, z {},waiters:{}z <{} [{}]>r r- )r. r/ r+ r' r0 r1 )r r2 r3 )r4 r r r/ 2 s zCondition.__repr__c c s� | j � s t d � � | j � zH | j j � } | j j | � z | Ed Hd SWd | j j | � XWd x0 y | j � Ed HPWqp t j k r� Yqp Xqp WXd S)Nz cannot wait on un-acquired lockT) r+ r r r) r: r' r; r> r r r< )r r? r r r rF 9 s zCondition.waitc c s2 | � } x" | s- | j � Ed H| � } q W| S)N)rF )r � predicate�resultr r r �wait_for[ s zCondition.wait_forr c C sf | j � s t d � � d } xA | j D]6 } | | k r; P| j � s( | d 7} | j d � q( Wd S)Nz!cannot notify on un-acquired lockr r F)r+ r r' r@ rA )r �n�idxr? r r r �notifyi s zCondition.notifyc C s | j t | j � � d S)N)rM r1 r' )r r r r � notify_all� s zCondition.notify_all) r r r r r/ r rF rJ rM rN r r )r4 r r s "c sm e Z d Z d d d d d �Z � f d d � Z d d � Z d d � Z e d d � � Z d d � Z � S)r r r$ Nc C s[ | d k r t d � � | | _ t j � | _ | d k rH | | _ n t j � | _ d S)Nr z$Semaphore initial value must be >= 0)rG rB r% r& r' r) r r* )r �valuer$ r r r r � s zSemaphore.__init__c sq t � j � } | j � r! d n d j | j � } | j rW d j | t | j � � } d j | d d � | � S)Nr+ zunlocked,value:{}z {},waiters:{}z <{} [{}]>r r- )r. r/ r+ r0 rB r' r1 )r r2 r3 )r4 r r r/ � s zSemaphore.__repr__c C s@ x9 | j r; | j j � } | j � s | j d � d Sq Wd S)N)r' �popleftr@ rA )r �waiterr r r � _wake_up_next� s zSemaphore._wake_up_nextc C s | j d k S)Nr )rB )r r r r r+ � s zSemaphore.lockedc c s� x} | j d k r | j j � } | j j | � y | Ed HWq | j � | j d k rt | j � rt | j � � Yq Xq W| j d 8_ d S)Nr r T)rB r) r: r' r; �cancelr5 rR )r r? r r r r � s zSemaphore.acquirec C s | j d 7_ | j � d S)Nr )rB rR )r r r r r � s zSemaphore.release) r r r r r/ rR r+ r r r r r )r4 r r � s c s= e Z d Z d d d � f d d �Z � f d d � Z � S)r r r$ Nc s# | | _ t � j | d | �d S)Nr$ )� _bound_valuer. r )r rO r$ )r4 r r r � s zBoundedSemaphore.__init__c s/ | j | j k r t d � � t � j � d S)Nz(BoundedSemaphore released too many times)rB rT rG r. r )r )r4 r r r � s zBoundedSemaphore.release)r r r r r r r )r4 r r � s )�__all__r% � r r r Z coroutinesr r r r r r r r r r r r �<module> s .zBuM
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