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Editing: windows_events.cpython-310.pyc
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Nr c s t � j||||d� d | _d S )Nr )r r �_done_callback)r r �eventrL r r r r! r � s z_WaitCancelFuture.__init__c C s t d��)Nz'_WaitCancelFuture must not be cancelled)� RuntimeErrorrO r r r! r0 � s z_WaitCancelFuture.cancelc �( t � �|� | jd ur| �| � d S d S r< )r r? r^ r@ r r r! r? � � �z _WaitCancelFuture.set_resultc ra r< )r r= r^ r> r r r! r= � rb z _WaitCancelFuture.set_exception) rB rC rD rE r r0 r? r= rF r r r r! r] � s r] c s6 e Zd Zdd�� fdd� Z� fdd�Zdd� Z� ZS ) �_WaitHandleFutureNr c s< t � j||||d� || _d| _t�d ddd �| _d | _d S )Nr TF)r r � _proactorZ_unregister_proactorrV Z CreateEvent�_event� _event_fut)r r rK rL �proactorr r r r! r � s z_WaitHandleFuture.__init__c sF | j d urt�| j � d | _ d | _| j�| j� d | _t� �|� d S r< ) re rN � CloseHandlerf rd � _unregisterr r rT rR r r r! rT � s z%_WaitHandleFuture._unregister_wait_cbc C s� | j sd S d| _ | j}d | _z t�|| j� W n3 tyJ } z'|jtjkr@d|| d�}| jr3| j|d< | j � |� W Y d }~d S W Y d }~nd }~ww | j � | j| j �| _d S rU )rJ rI rV ZUnregisterWaitExre r1 rW rX r r2 r3 rd � _wait_cancelrT rf rY r r r! rZ � s. � ��� �z"_WaitHandleFuture._unregister_wait)rB rC rD r rT rZ rF r r r r! rc � s rc c @ s< e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � ZeZ d S ) � PipeServerzXClass representing a pipe server. This is much like a bound, listening socket. c C s, || _ t�� | _d | _d | _| �d�| _d S �NT)�_address�weakref�WeakSet�_free_instances�_pipe�_accept_pipe_future�_server_pipe_handle)r r' r r r! r � s zPipeServer.__init__c C s | j | �d�}| _ |S )NF)rq rs )r �tmpr r r! �_get_unconnected_pipe s z PipeServer._get_unconnected_pipec C sr | � � rd S tjtjB }|r|tjO }t�| j|tjtjB tj B tj t j t j tj tj�}t �|�}| j�|� |S r< )�closedrN ZPIPE_ACCESS_DUPLEXZFILE_FLAG_OVERLAPPEDZ FILE_FLAG_FIRST_PIPE_INSTANCEZCreateNamedPiperm ZPIPE_TYPE_MESSAGEZPIPE_READMODE_MESSAGEZ PIPE_WAITZPIPE_UNLIMITED_INSTANCESr ZBUFSIZEZNMPWAIT_WAIT_FOREVER�NULL� PipeHandlerp �add)r �first�flags�h�piper r r! rs s" �� z PipeServer._server_pipe_handlec C s | j d u S r< )rm rO r r r! rv � zPipeServer.closedc C sV | j d ur | j �� d | _ | jd ur)| jD ]}|�� qd | _d | _| j�� d S d S r< )rr r0 rm rp �closerq �clear)r r} r r r! r " s �zPipeServer.closeN) rB rC rD rE r ru rs rv r �__del__r r r r! rk � s rk c @ s e Zd ZdZdS )�_WindowsSelectorEventLoopz'Windows version of selector event loop.N)rB rC rD rE r r r r! r� 1 � r� c sJ e Zd ZdZd � fdd� Z� fdd�Zdd� Zd d � Z d d d �Z� Z S )r z2Windows version of proactor event loop using IOCP.Nc s |d u rt � }t� �|� d S r< )r r r )r rg r r r! r 8 s zProactorEventLoop.__init__c s� z5| j d u sJ �| �| j� t� �� W | j d ur4| j j}| j �� |d ur/|js/| j� |� d | _ d S d S | j d urT| j j}| j �� |d urQ|jsQ| j� |� d | _ w r< ) Z_self_reading_future� call_soonZ_loop_self_readingr � run_foreverr r0 r" rd ri �r r r r r! r� = s � z ProactorEventLoop.run_foreverc � s: �| j �|�}|I d H }|� }| j||d|id�}||fS )N�addr��extra)rd � connect_pipe�_make_duplex_pipe_transport)r �protocol_factoryr' �fr} �protocol�transr r r! �create_pipe_connectionP s � �z(ProactorEventLoop.create_pipe_connectionc � s0 �t � ��d� ����fdd� ����� �gS )Nc sT d }z7| r'| � � }�j�|� ��� r|�� W d S �� }�j||d� id� ��� }|d u r2W d S �j�|�} W nf t yT |rL|� � dkrL|�� �� �� Y d S t y� } z-|rq|� � dkrq�� d||d�� |�� n �jr|tjd|dd� �� �� W Y d }~d S d }~w tjy� |r�|�� Y d S Y d S w | �_| ��� d S ) Nr� r� r zPipe accept failed)r, r- r} z Accept pipe failed on pipe %rT)�exc_info)rA rp �discardrv r r� ru rd � accept_pipe�BrokenPipeError�filenor� r1 r3 Z_debugr Zwarningr �CancelledErrorrr �add_done_callback)r� r} r� r4 �r' �loop_accept_piper� r Zserverr r! r� [ sR � � ����z>ProactorEventLoop.start_serving_pipe.<locals>.loop_accept_piper< )rk r� )r r� r' r r� r! �start_serving_pipeX s � -z$ProactorEventLoop.start_serving_pipec � sx �| � � } t| |||||||f| |d�| ��} z| I d H W | S ttfy) � ty; | �� | �� I d H � w )N)�waiterr� )� create_future�_WindowsSubprocessTransport� SystemExit�KeyboardInterrupt� BaseExceptionr Z_wait) r r� �args�shell�stdin�stdout�stderr�bufsizer� �kwargsr� Ztranspr r r! �_make_subprocess_transport� s& � ��� � �z,ProactorEventLoop._make_subprocess_transportr< ) rB rC rD rE r r� r� r� r� rF r r r r! r 5 s 5�r c @ s� e Zd ZdZd;dd�Zdd� Zdd� Zd d � Zd<d d �Zdd� Z d=dd�Z d=dd�Z d=dd�Z d>dd�Z d=dd�Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd<d%d&�Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� Zd1d2� Zd<d3d4�Zd5d6� Z d7d8� Z d9d:� Z d S )?r z#Proactor implementation using IOCP.r c C sD d | _ g | _t�tjtd|�| _i | _t� � | _ g | _ t� � | _ d S rM ) r2 �_resultsrV �CreateIoCompletionPort�INVALID_HANDLE_VALUErw �_iocp�_cachern ro rJ � _unregistered�_stopped_serving)r Z concurrencyr r r! r � s � zIocpProactor.__init__c C s | j d u r td��d S )NzIocpProactor is closed)r� r` rO r r r! � _check_closed� s �zIocpProactor._check_closedc C sF dt | j� dt | j� g}| jd u r|�d� d| jjd�|�f S )Nzoverlapped#=%sz result#=%srv z<%s %s>� )�lenr� r� r� rQ r rB �join)r r) r r r! �__repr__� s � zIocpProactor.__repr__c C s || _ d S r< )r2 )r r r r r! �set_loop� r~ zIocpProactor.set_loopNc C s. | j s| �|� | j }g | _ z|W d }S d }w r< )r� rP )r �timeoutrt r r r! �select� s zIocpProactor.selectc C s | j �� }|�|� |S r< )r2 r� r? )r �valuerS r r r! �_result� � zIocpProactor._resultr c C �| | � |� t�t�}zt|tj�r|�|�� ||� n|�|�� |� W n t y2 | � d� Y S w dd� }| � |||�S )N� c S �B z|� � W S ty } z|jtjtjfv rt|j� �� d }~ww r< �� getresultr1 rW rV ZERROR_NETNAME_DELETEDZERROR_OPERATION_ABORTED�ConnectionResetErrorr� �r� �keyr r4 r r r! � finish_recv� � � ��z&IocpProactor.recv.<locals>.finish_recv) �_register_with_iocprV � Overlappedrw � isinstance�socketZWSARecvr� ZReadFiler� r� � _register�r �conn�nbytesr{ r r� r r r! �recv� � � � zIocpProactor.recvc C r� )Nr c S r� r< r� r� r r r! r� � r� z+IocpProactor.recv_into.<locals>.finish_recv) r� rV r� rw r� r� Z WSARecvIntor� Z ReadFileIntor� r� r� )r r� �bufr{ r r� r r r! � recv_into� r� zIocpProactor.recv_intoc C s^ | � |� t�t�}z |�|�� ||� W n ty# | �d� Y S w dd� }| �|||�S )N)r� Nc S r� r< r� r� r r r! r� r� z*IocpProactor.recvfrom.<locals>.finish_recv) r� rV r� rw Z WSARecvFromr� r� r� r� r� r r r! �recvfrom� s � zIocpProactor.recvfromc C s> | � |� t�t�}|�|�� |||� dd� }| �|||�S )Nc S r� r< r� r� r r r! � finish_send r� z(IocpProactor.sendto.<locals>.finish_send)r� rV r� rw Z WSASendTor� r� )r r� r� r{ r� r r� r r r! �sendto s zIocpProactor.sendtoc C sZ | � |� t�t�}t|tj�r|�|�� ||� n|�|�� |� dd� }| � |||�S )Nc S r� r< r� r� r r r! r� & r� z&IocpProactor.send.<locals>.finish_send) r� rV r� rw r� r� ZWSASendr� Z WriteFiler� )r r� r� r{ r r� r r r! �send s zIocpProactor.sendc sv | � �� | ��j�� t�t�}|���� � �� � � �fdd�}dd� }| �|�|�}||� �}t j || j d� |S )Nc sD |� � t�d��� �}� �tjtj|� � � �� � � � � � � fS )Nz@P) r� �structZpackr� � setsockoptr� � SOL_SOCKETrV ZSO_UPDATE_ACCEPT_CONTEXT� settimeoutZ gettimeoutZ getpeername)r� r� r r� �r� �listenerr r! � finish_accept8 s � z*IocpProactor.accept.<locals>.finish_acceptc � s. �z| I d H W d S t jy |�� � w r< )r r� r )r. r� r r r! � accept_coroA s ��z(IocpProactor.accept.<locals>.accept_coror ) r� �_get_accept_socket�familyrV r� rw ZAcceptExr� r� r Z ensure_futurer2 )r r� r r� r� r. �coror r� r! �accept2 s zIocpProactor.acceptc s� � j tjkrt�� �� |� | j�� }|�d � |S | � � � z t� � �� � j � W n" t yL } z|j tjkr9� � �� d dkrB� W Y d }~nd }~ww t�t�}|�� �� |� � fdd�}| �|� |�S )Nr r c s |� � � �tjtjd� � S rM )r� r� r� r� rV ZSO_UPDATE_CONNECT_CONTEXT�r� r� r �r� r r! �finish_connectd s �z,IocpProactor.connect.<locals>.finish_connect)�typer� Z SOCK_DGRAMrV Z WSAConnectr� r2 r� r? r� Z BindLocalr� r1 rW �errnoZ WSAEINVALZ getsocknamer� rw Z ConnectExr� )r r� r' rS �er r� r r� r! �connectN s( ��� zIocpProactor.connectc C sb | � |� t�t�}|d@ }|d? d@ }|�|�� t�|�� �|||dd� dd� }| �|||�S )Nr � r c S r� r< r� r� r r r! �finish_sendfilew r� z.IocpProactor.sendfile.<locals>.finish_sendfile) r� rV r� rw Z TransmitFiler� �msvcrtZ get_osfhandler� ) r Zsock�file�offset�countr Z offset_lowZ offset_highr� r r r! �sendfilem s � zIocpProactor.sendfilec sJ | � � � t�t�}|�� �� �}|r| �� �S � fdd�}| �|� |�S )Nc s |� � � S r< )r� r� �r} r r! �finish_accept_pipe� s z4IocpProactor.accept_pipe.<locals>.finish_accept_pipe)r� rV r� rw ZConnectNamedPiper� r� r� )r r} r Z connectedr� r r� r! r� � s zIocpProactor.accept_pipec � st �t } zt�|�}W n) ty$ } z |jtjkr� W Y d }~nd }~ww t|d t�}t� |�I d H qt � |�S )NT� ) �CONNECT_PIPE_INIT_DELAYrV Z ConnectPiper1 rW ZERROR_PIPE_BUSY�min�CONNECT_PIPE_MAX_DELAYr �sleepr rx )r r' ZdelayrK r4 r r r! r� � s � ���� zIocpProactor.connect_pipec C s | � ||d�S )z�Wait for a handle. 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F)�_wait_for_handle)r rK r� r r r! �wait_for_handle� s z IocpProactor.wait_for_handlec C s | � |d d�}||_|S rl )r� r^ )r r_ Z done_callbackrS r r r! rj � s zIocpProactor._wait_cancelc s� | � � |d u r tj}nt�|d �}t�t�}t�|| j |j |�}|r.t |||| j d�� n t |||| | j d�� � jr?� jd= � fdd�}� |d|f| j|j < � S )N� @�@r r c s � � � S r< )rP r� �r� r r! �finish_wait_for_handle� s z=IocpProactor._wait_for_handle.<locals>.finish_wait_for_handler )r� rN �INFINITE�math�ceilrV r� rw ZRegisterWaitWithQueuer� r' r] r2 rc r r� )r rK r� Z _is_cancel�msr rL r� r r� r! r� � s$ � � z IocpProactor._wait_for_handlec C s4 || j vr| j �|� t�|�� | jdd� d S d S rM )rJ ry rV r� r� r� �r �objr r r! r� � s �z IocpProactor._register_with_iocpc C s� | � � t|| jd�}|jr|jd= |js:z|d d |�}W n ty4 } z |�|� W Y d }~n d }~ww |�|� ||||f| j|j < |S r ) r� r r2 r r" r1 r= r? r� r' )r r r �callbackr� r� r� r r r! r� � s �� zIocpProactor._registerc C s | � � | j�|� dS )a Unregister an overlapped object. 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N)r� r� rQ r� r r r! ri s zIocpProactor._unregisterc C s t � |�}|�d� |S rM )r� r� )r r� �sr r r! r� r� z IocpProactor._get_accept_socketc C s� |d u rt }n|dk rtd��t�|d �}|t kr td�� t�| j|�}|d u r+n�d}|\}}}}z | j�|�\}} } } W n) t yh | j � � rZ| j � dd||||f d�� |dtj fvrft�|� Y q w | | jv rs|�� n=|�� s�z5z| ||| �} W n ty� } z|�| � | j�|� W Y d } ~ nd } ~ ww |�| � | j�|� W d }nd }w q | jD ] } | j�| jd � q�| j�� d S ) Nr znegative timeoutr� ztimeout too bigTz8GetQueuedCompletionStatus() returned an unexpected eventz)err=%s transferred=%s key=%#x address=%#x)r, �status)r� � ValueErrorr� r� rV ZGetQueuedCompletionStatusr� r� �pop�KeyErrorr2 Z get_debugr3 r� rN rh r� r0 Zdoner1 r= r� rQ r? r� r' r� )r r� r� r �errZ transferredr� r' r� r r r r� r� r r r! rP sZ �� � �� � � )zIocpProactor._pollc C s | j �|� d S r< )r� ry r� r r r! � _stop_servingI s zIocpProactor._stop_servingc C s | j d u rd S t| j�� �D ]D\}\}}}}|�� rqt|t�r!qz|�� W q tyR } z | j d urHd||d�}|j rB|j |d< | j � |� W Y d }~qd }~ww d}t � � } | | } | jr| t � � krwt�d| t � � | � t � � | } | �|� | js`g | _t�| j � d | _ d S )NzCancelling a future failedr+ r/ g �?z,%r is running after closing for %.1f seconds)r� �listr� �itemsZ cancelledr� r] r0 r1 r2 r r3 �time� monotonicr �debugrP r� rN rh ) r r' rS r r r r4 r5 Z msg_updateZ start_timeZnext_msgr r r! r O sD � �� � � zIocpProactor.closec C s | � � d S r< )r rO r r r! r� ~ s zIocpProactor.__del__)r r< )r )r N) rB rC rD rE r r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� rj r� r� r� ri r� rP r r r� r r r r! r � s: " 9 /r c @ s e Zd Zdd� ZdS )r� c sP t j|f|||||d�|��� _� fdd�}� jj�t� jj��} | �|� d S )N)r� r� r� r� r� c s � j �� }� �|� d S r< )�_procZpollZ_process_exited)r� � returncoderO r r! r � s z4_WindowsSubprocessTransport._start.<locals>.callback) r �Popenr r2 rd r� �intrH r� ) r r� r� r� r� r� r� r� r r� r rO r! �_start� s ��� z"_WindowsSubprocessTransport._startN)rB rC rD r r r r r! r� � s r� c @ � e Zd ZeZdS )r N)rB rC rD r � _loop_factoryr r r r! r � r� r c @ r )r N)rB rC rD r r r r r r! r � r� r )2rE �sys�platform� ImportErrorrV rN r� r� r� r� r� r rn � r r r r r r r r �logr �__all__rw r� ZERROR_CONNECTION_REFUSEDZERROR_CONNECTION_ABORTEDr� r� ZFuturer rG r] rc �objectrk ZBaseSelectorEventLoopr� ZBaseProactorEventLoopr r ZBaseSubprocessTransportr� r ZBaseDefaultEventLoopPolicyr r r r r r r! �<module> sZ 0J4;j f
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