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Edit File: threads.cpython-310.pyc
o �b� � @ sX d Z ddlZddlmZ ddlmZ dd� Zdd� Zd d � Z d d � Z d d� Z g d�Z dS )zY Extended thread dispatching support. For basic support see reactor threading API docs. � N)�defer)�failurec s4 t �� � � �fdd�}|j||g|�R i |�� � S )a3 Call the function C{f} using a thread from the given threadpool and return the result as a Deferred. This function is only used by client code which is maintaining its own threadpool. To run a function in the reactor's threadpool, use C{deferToThread}. @param reactor: The reactor in whose main thread the Deferred will be invoked. @param threadpool: An object which supports the C{callInThreadWithCallback} method of C{twisted.python.threadpool.ThreadPool}. @param f: The function to call. @param args: positional arguments to pass to f. @param kwargs: keyword arguments to pass to f. @return: A Deferred which fires a callback with the result of f, or an errback with a L{twisted.python.failure.Failure} if f throws an exception. c s( | r �� � j|� d S �� � j|� d S �N)�callFromThread�callback�errback)�success�result��d�reactor� �:/usr/lib/python3/dist-packages/twisted/internet/threads.py�onResult* s z#deferToThreadPool.<locals>.onResult)r �Deferred�callInThreadWithCallback)r � threadpool�f�args�kwargsr r r r �deferToThreadPool s r c O s* ddl m} t||�� | g|�R i |��S )at Run a function in a thread and return the result as a Deferred. @param f: The function to call. @param args: positional arguments to pass to f. @param kwargs: keyword arguments to pass to f. @return: A Deferred which fires a callback with the result of f, or an errback with a L{twisted.python.failure.Failure} if f throws an exception. r �r )�twisted.internetr r � getThreadPool)r r r r r r r � deferToThread5 s r c C s" | D ] \}}}||i |�� qdS )z" Run a list of functions. Nr )� tupleListr r r r r r � _runMultipleF s �r c C s ddl m} |�t| � dS )z� Run a list of functions in the same thread. tupleList should be a list of (function, argsList, kwargsDict) tuples. r r N)r r � callInThreadr )r r r r r �callMultipleInThreadN s r c sD t � � �� ���fdd�}| �|� ��� }t|tj�r |�� |S )a� Run a function in the reactor from a thread, and wait for the result synchronously. If the function returns a L{Deferred}, wait for its result and return that. @param reactor: The L{IReactorThreads} provider which will be used to schedule the function call. @param f: the callable to run in the reactor thread @type f: any callable. @param a: the arguments to pass to C{f}. @param kw: the keyword arguments to pass to C{f}. @return: the result of the L{Deferred} returned by C{f}, or the result of C{f} if it returns anything other than a L{Deferred}. @raise Exception: If C{f} raises a synchronous exception, C{blockingCallFromThread} will raise that exception. If C{f} returns a L{Deferred} which fires with a L{Failure}, C{blockingCallFromThread} will raise that failure's exception (see L{Failure.raiseException}). c s( t j�g� �R i ���} | ��j� d S r )r � maybeDeferred�addBoth�put)r ��ar �kw�queuer r �_callFromThreadq s z/blockingCallFromThread.<locals>._callFromThread)�Queuer �get� isinstancer �Failure�raiseException)r r r# r$ r& r r r" r �blockingCallFromThreadY s r, )r r r r, ) �__doc__r% r' r r �twisted.pythonr r r r r r, �__all__r r r r �<module> s $ #