o زَ·iZم@sّUdZddlmZddlmZmZddlmZmZm Z m Z mZmZer'ddl Z ddlmZddlmZdd lmZGd d„deƒZejZedƒZed ƒZGdd„deeƒZded<eZeeƒGdd„dƒƒZGdd„deƒZeeƒGdd„dƒƒZdS)zE Implementation of an L{IWorker} based on native threads and queues. é)عannotations)عEnumعauto)ع TYPE_CHECKINGعCallableعIteratorعLiteralعProtocolعTypeVarN)عimplementeré)عQuit)عIExclusiveWorkerc@seZdZeƒZdS)عStopN)ع__name__ع __module__ع__qualname__rعThread©rrْdC:\Users\psant\Downloads\PAF backend\school\venv\Lib\site-packages\twisted/_threads/_threadworker.pyrs rعTعUc@s eZdZd dd„Zddd„Zd S)عSimpleQueueعitemrعreturnعNonecCَdS©Nr)عselfrrrrعput!َzSimpleQueue.putcCrrr©rrrrعget$r zSimpleQueue.getN)rrrr)rr)rrrrr"rrrrr َ rz/Callable[[Callable[[], T | U], U], Iterator[T]]ع smartiterc@َ.eZdZdZddd„Zddd „Zddd„ZdS)عThreadWorkerz‏ An L{IExclusiveWorker} implemented based on a single thread and a queue. This worker ensures exclusivity (i.e. it is an L{IExclusiveWorker} and not an L{IWorker}) by performing all of the work passed to C{do} on the I{same} thread. عstartThreadْ(Callable[[Callable[[], object]], object]عqueueْ8SimpleQueue[Callable[[], object] | Literal[Stop.Thread]]cs(ˆ|_tƒ|_d‡fdd„}||ƒdS)aX Create a L{ThreadWorker} with a function to start a thread and a queue to use to communicate with that thread. @param startThread: a callable that takes a callable to run in another thread. @param queue: A L{Queue} to use to give tasks to the thread created by C{startThread}. rrcstˆjtƒD]}|ƒqdSr)r$r"ع StopThread)عtask©r)rrعworkIsےz#ThreadWorker.__init__..workN©rr)ع_qr ع_hasQuit)rr'r)r.rr-rع__init__7szThreadWorker.__init__r,ْCallable[[], None]rrcCs|j ،|j |،dS)zچ Perform the given task on the thread owned by this L{ThreadWorker}. @param task: the function to call on a thread. N)r1عcheckr0r)rr,rrrعdoOَ zThreadWorker.docCs|j ،|j t،dS)zT Reject all future work and stop the thread started by C{__init__}. N)r1عsetr0rr+r!rrrعquitXr6zThreadWorker.quitN)r'r(r)r*)r,r3rrr/©rrrع__doc__r2r5r8rrrrr&-s r&c@s eZdZd dd„Zd dd„ZdS)ع SimpleLockrعboolcCrrrr!rrrعacquirecr zSimpleLock.acquirercCrrrr!rrrعreleasefr zSimpleLock.releaseN)rr<r/)rrrr=r>rrrrr;br#r;c@r%)ع LockWorkerzE An L{IWorker} implemented based on a mutual-exclusion lock. عlockr;عlocalْthreading.localcCstƒ|_||_||_dS)zك @param lock: A mutual-exclusion lock, with C{acquire} and C{release} methods. @type lock: L{threading.Lock} @param local: Local storage. @type local: L{threading.local} N)r ع_quitع_lockع_local)rr@rArrrr2ps zLockWorker.__init__r.r3rrcCs²|j}|j}|j ،t|ddƒ}|durR|dusJdƒ‚g}|_| |،| ،z|r@| d،ƒ|s.W| ،d|_dSW| ،d|_dS| ،d|_w| |،dS)zï Do the given work on this thread, with the mutex acquired. If this is called re-entrantly, return and wait for the outer invocation to do the work. @param work: the work to do with the lock held. عworkingNzLockWorker used after quit()r) rDrErCr4عgetattrrFعappendr=عpopr>)rr.r@rArFrrrr5}s* ے ü ےz LockWorker.docCs|j ،d|_dS)z* Quit this L{LockWorker}. N)rCr7rDr!rrrr8—s zLockWorker.quitN)r@r;rArB)r.r3rrr/r9rrrrr?js r?) r:ع __future__rعenumrrعtypingrrrrr r ع threadingZzope.interfacerZ_conveniencer Z _ithreadsrrrr+rrrع__annotations__عiterr$r&r;r?rrrrعs* 4