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proactor_events.cpython-38.opt-2.pyc
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Z s z%_ProactorBasePipeTransport._set_extrac C s || _ d S �N�r- )r/ r1 r r r r# ] s z'_ProactorBasePipeTransport.set_protocolc C s | j S rD rE �r/ r r r � get_protocol` s z'_ProactorBasePipeTransport.get_protocolc C s | j S rD )r* rF r r r � is_closingc s z%_ProactorBasePipeTransport.is_closingc C s\ | j r d S d| _ | jd7 _| js>| jd kr>| j�| jd � | jd k rX| j�� d | _d S )NTr ) r* r) r% r' r r, �_call_connection_lostr& �cancelrF r r r �closef s z _ProactorBasePipeTransport.closec C s* | j d k r&|d| ��t| d� | �� d S )Nzunclosed transport )�source)r" �ResourceWarningrK )r/ �_warnr r r �__del__q s z"_ProactorBasePipeTransport.__del__� Fatal error on pipe transportc C sV zDt|t�r*| j�� rBtjd| |dd� n| j�||| | jd�� W 5 | � |� X d S )Nz%r: %sTr )�message� exceptionr r1 ) � _force_close� isinstance�OSErrorr r r �debug�call_exception_handlerr- )r/ �excrQ r r r � _fatal_errorv s � z'_ProactorBasePipeTransport._fatal_errorc C s� | j d k r6| j �� s6|d kr*| j �d � n | j �|� | jr@d S d| _| jd7 _| jrj| j�� d | _| jr�| j�� d | _d| _ d | _ | j � | j |� d S )NTr r )� _empty_waiter�done� set_result� set_exceptionr* r) r' rJ r& r( r% r r, rI )r/ rX r r r rS � s" z'_ProactorBasePipeTransport._force_closec C s^ z| j� |� W 5 t | jd�r,| j�tj� | j�� d | _| j}|d k rX|�� d | _X d S )N�shutdown) �hasattrr" r^ r � SHUT_RDWRrK r$ Z_detachr- Zconnection_lost)r/ rX r4 r r r rI � s z0_ProactorBasePipeTransport._call_connection_lostc C s" | j }| jd k r |t| j�7 }|S rD )r( r% r= )r/ �sizer r r �get_write_buffer_size� s z0_ProactorBasePipeTransport.get_write_buffer_size)NNN)rP )r: � __module__� __qualname__r rA r! r# rG rH rK �warnings�warnrO rY rS rI rb � __classcell__r r r5 r r . s � r c sP e Zd Zd� fdd� Zdd� Zdd� Zdd � Zd d � Zd d � Zddd�Z � Z S )�_ProactorReadPipeTransportNc s: d | _ d| _t� �||||||� | j�| j� d| _d S )NTF)� _pending_data�_pausedr r r r, � _loop_readingr. r5 r r r � s z#_ProactorReadPipeTransport.__init__c C s | j o| j S rD )rj r* rF r r r � is_reading� s 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_feed_data_to_buffered_protorr rs rt rY Z data_received)r/ rp rX r r r rn � s" �z)_ProactorReadPipeTransport._data_receivedc C st d }�zRzp|d k r2d | _|�� r*|�� }n|�� | jrHd }W W ��d S |dkr\W W ��d S | jsv| jj� | j d�| _W n� t k r� } z0| js�| � |d� n| j� � r�tjddd� W 5 d }~X Y n� tk r� } z| �|� W 5 d }~X Y nf tk �r } z| � |d� W 5 d }~X Y n8 tjk �r> | j�s:� Y nX | j�sV| j�| j� W 5 |d k �rn| � |� X d S )N� i � z"Fatal read error on pipe transportz*Read error on pipe transport while closingTr )rn r& r[ �resultrJ r* rj r � _proactor�recvr" �ConnectionAbortedErrorrY r r rV �ConnectionResetErrorrS rU r �CancelledError�add_done_callbackrk )r/ �futrp rX r r r rk s@ � z(_ProactorReadPipeTransport._loop_reading)NNN)N) r: rc rd r rl rm rq ru rn rk rg r r r5 r rh � s � rh c sZ e Zd ZdZ� fdd�Zdd� Zddd�Zd d � Zd d � Zd d� Z dd� Z dd� Z � Z S )� _ProactorBaseWritePipeTransportTc s t � j||� d | _d S rD )r r rZ �r/ �args�kwr5 r r r G s z(_ProactorBaseWritePipeTransport.__init__c C s� t |tttf�s$tdt|�j� ���| jr2td��| j d k rDtd��|sLd S | j rz| j t j krht �d� | j d7 _ d S | jd kr�| jt|�d� n.| js�t|�| _| �� n| j�|� | �� d S )Nz/data argument must be a bytes-like object, not zwrite_eof() already calledz(unable to write; sendfile is in progressz socket.send() raised exception.r )rp )rT �bytes� bytearray� memoryview� TypeError�typer: r+ � RuntimeErrorrZ r) r �!LOG_THRESHOLD_FOR_CONNLOST_WRITESr r r' � _loop_writingr% �_maybe_pause_protocol�extendro r r r �writeK s, � z%_ProactorBaseWritePipeTransport.writeNc C sV z�|d k r | j d kr | jr W d S d | _ d| _|r8|�� |d krL| j}d | _|s�| jrf| j�| jd � | jrz| j � t j � | � � nN| jj�| j |�| _ | j �� s�t|�| _| j �| j� | �� n| j �| j� | jd k r�| j d kr�| j�d � W n\ tk �r" } z| �|� W 5 d }~X Y n0 tk �rP } z| �|d� W 5 d }~X Y nX d S )Nr z#Fatal write error on pipe transport)r' r* r( rw r% r r, rI r+ r" r^ r �SHUT_WR�_maybe_resume_protocolrx �sendr[ r= r} r� r� rZ r\ r{ rS rU rY )r/ �frp rX r r r r� q s8 z-_ProactorBaseWritePipeTransport._loop_writingc C s 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z(_ProactorWritePipeTransport._pipe_closed)r: rc rd r r� rg r r r5 r r� � s r� c sX e Zd ZdZd� fdd� Zdd� Zdd� Zd d � Zdd d �Zdd d�Z ddd�Z � Z S )�_ProactorDatagramTransporti Nc s> || _ d | _t� j|||||d� t�� | _| j�| j � d S )N)r2 r3 ) �_addressrZ r r � collections�dequer% r r, rk )r/ r0 r r1 �addressr2 r3 r5 r r r � s z#_ProactorDatagramTransport.__init__c C s t | |� d S rD �r rC r r r r! � s z%_ProactorDatagramTransport._set_extrac C s t dd� | jD ��S )Nc s s | ]\}}t |�V qd S rD )r= )�.0rp �_r r r � <genexpr>� s zC_ProactorDatagramTransport.get_write_buffer_size.<locals>.<genexpr>)�sumr% rF r r r rb � s z0_ProactorDatagramTransport.get_write_buffer_sizec C s | � d � d S rD r� rF r r r r� � s z _ProactorDatagramTransport.abortc C s� t |tttf�s tdt|���|s&d S | jd k rN|d | jfkrNtd| j� ���| jr�| jr�| jt j krpt � d� | jd7 _d S | j �t|�|f� | jd kr�| �� | �� d S )Nz,data argument must be bytes-like object (%r)z!Invalid address: must be None or z!socket.sendto() raised exception.r )rT r� r� r� r� r� r� � ValueErrorr) r r� r r r% r; r' r� r� )r/ rp �addrr r r �sendto� s& � � z!_ProactorDatagramTransport.sendtoc C s z�| j rW d S d | _|r |�� | jr2| j rN| jrN| jrH| j�| jd � W d S | j� � \}}| jd k r|| jj � | j |�| _n| jj j | j ||d�| _W nZ tk r� } z| j�|� W 5 d }~X Y nD tk r� } z| �|d� W 5 d }~X Y nX | j�| j� | �� d S )N)r� z'Fatal write error on datagram transport)r) r' rw r% r� r* r r, rI �popleftrx r� r" r� rU r- �error_received� ExceptionrY r} r� r� )r/ r~ rp r� rX r r r r� � s2 � � z(_ProactorDatagramTransport._loop_writingc C s4 d }�zz�| jr W W ��d S d | _|d k rf|�� }| jrFd }W W ��d S | jd k r^|| j }}n|\}}| jrvW W ��d S | jd k r�| jj� | j | j �| _n| jj� | j | j �| _W nJ t k r� } z| j �|� W 5 d }~X Y n8 tjk r� | js�� Y n X | jd k �r| j�| j� W 5 |�r.| j �||� X d S rD )r- Zdatagram_receivedr) r& rw r* r� r rx ry r" �max_size�recvfromrU r� r r| r} rk )r/ r~ rp r� �resrX r r r rk s> � � z(_ProactorDatagramTransport._loop_reading)NNN)N)N)N) r: rc rd r� r r! rb r� r� r� rk rg r r r5 r r� � s � !r� c @ s e Zd Zdd� Zdd� ZdS )� _ProactorDuplexPipeTransportc C s dS )NFr rF r r r r� J s z*_ProactorDuplexPipeTransport.can_write_eofc C s t �d S rD )�NotImplementedErrorrF r r r r� M s z&_ProactorDuplexPipeTransport.write_eofN)r: rc rd r� r� r r r r r� E s r� c s> e Zd ZejjZd � fdd� Zdd� Zdd� Z dd � Z � Z S ) �_ProactorSocketTransportNc s$ t � �||||||� t�|� d S rD )r r r Z _set_nodelayr. r5 r r r X s z!_ProactorSocketTransport.__init__c C s t | |� d S rD r� rC r r r r! ] s z#_ProactorSocketTransport._set_extrac C s dS r� r rF r r r r� ` s z&_ProactorSocketTransport.can_write_eofc C s2 | j s | jrd S d| _| jd kr.| j�tj� d S r� )r* r+ r' r" r^ r r� rF r r r r� c s z"_ProactorSocketTransport.write_eof)NNN) r: rc rd r Z _SendfileModeZ TRY_NATIVEZ_sendfile_compatibler r! r� r� rg r r r5 r r� Q s �r� c s� e Zd Z� fdd�Zd3dd�Zd4dddddd�dd �Zd5d d �Zd6d d �Zd7dd�Zd8dd�Z � fdd�Z dd� Z dd� Z dd� Z dd� Zd d � Zd d � Zd d!� Zd"d#� Zd$d%� Zd9d&d'�Zd(d)� Zd:d+d,�Zd-d.� Zd/d0� Zd1d2� Z� ZS );r c sh t � �� t�d|jj� || _|| _d | _i | _ |� | � | � � t � � t �� krdt�| j�� � d S )NzUsing proactor: %s)r r r rV r6 r: rx � _selector�_self_reading_future�_accept_futuresZset_loop�_make_self_pipe� threading�current_thread� main_thread�signal� set_wakeup_fd�_csockr< )r/ Zproactorr5 r r r m s z BaseProactorEventLoop.__init__Nc C s t | |||||�S rD )r� )r/ r r1 r2 r3 r4 r r r �_make_socket_transportz s �z,BaseProactorEventLoop._make_socket_transportF)� server_side�server_hostnamer3 r4 �ssl_handshake_timeoutc C s0 t j| |||||| d�} t| || ||d� | jS )N)r� �r3 r4 )r Z SSLProtocolr� Z_app_transport) r/ Zrawsockr1 � sslcontextr2 r� r� r3 r4 r� Z ssl_protocolr r r �_make_ssl_transport s � �z)BaseProactorEventLoop._make_ssl_transportc C s t | |||||�S rD )r� )r/ r r1 r� r2 r3 r r r �_make_datagram_transport� s �z.BaseProactorEventLoop._make_datagram_transportc C s t | ||||�S rD )r� �r/ r r1 r2 r3 r r r �_make_duplex_pipe_transport� s �z1BaseProactorEventLoop._make_duplex_pipe_transportc C s t | ||||�S rD )rh r� r r r �_make_read_pipe_transport� s z/BaseProactorEventLoop._make_read_pipe_transportc C s t | ||||�S rD )r� r� r r r �_make_write_pipe_transport� s �z0BaseProactorEventLoop._make_write_pipe_transportc sj | � � rtd��| �� r d S t�� t�� kr6t�d� | �� | � � | j � � d | _ d | _ t � � � d S )Nz!Cannot close a running event loop���)Z is_runningr� � is_closedr� r� r� r� r� �_stop_accept_futures�_close_self_piperx rK r� r rF r5 r r rK � s zBaseProactorEventLoop.closec � s | j �||�I d H S rD )rx ry )r/ r �nr r r � sock_recv� s z BaseProactorEventLoop.sock_recvc � s | j �||�I d H S rD )rx � recv_into)r/ r �bufr r r �sock_recv_into� s z$BaseProactorEventLoop.sock_recv_intoc � s | j �||�I d H S rD )rx r� )r/ r rp r r r � sock_sendall� s z"BaseProactorEventLoop.sock_sendallc � s | j �||�I d H S rD )rx �connect)r/ r r� r r r � sock_connect� s z"BaseProactorEventLoop.sock_connectc � s | j �|�I d H S rD )rx �acceptrC r r r � sock_accept� s z!BaseProactorEventLoop.sock_acceptc � s( z |� � }W n2 ttjfk r> } zt�d��W 5 d }~X Y nX zt�|�j}W n, t k r| } zt�d��W 5 d }~X Y nX |r�|n|}|s�dS t |d�}|r�t || |�n|} t ||�}d} zLt | | |�}|dkr�| W �0S | j � ||||�I d H ||7 }| |7 } q�W 5 | dk�r"|� |� X d S )Nznot a regular filer l �� )r< �AttributeError�io�UnsupportedOperationr ZSendfileNotAvailableError�os�fstat�st_sizerU �min�seekrx �sendfile) r/ r �file�offset�countr< �err�fsize� blocksizeZend_pos� total_sentr r r �_sock_sendfile_native� s0 z+BaseProactorEventLoop._sock_sendfile_nativec � sZ |� � }|�� |�� I d H z | j|j|||dd�I d H W �S |�� |rT|�� X d S )NF)�fallback)rl rm r� r� rq Z sock_sendfiler" )r/ Ztranspr� r� r� rq r r r �_sendfile_native� s �z&BaseProactorEventLoop._sendfile_nativec C sL | j d k r| j �� d | _ | j�� d | _| j�� d | _| jd8 _d S )Nr )r� rJ �_ssockrK r� � _internal_fdsrF r r r r� � s z&BaseProactorEventLoop._close_self_pipec C s: t �� \| _| _| j�d� | j�d� | jd7 _d S )NFr )r � socketpairr� r� � setblockingr� rF r r r r� � s z%BaseProactorEventLoop._make_self_pipec C s� z$|d k r|� � | j�| jd�}W nb tjk r< Y d S ttfk rT � Y nF tk r� } z| � d|| d�� W 5 d }~X Y nX || _ |� | j � d S )Ni z.Error on reading from the event loop self pipe)rQ rR r0 ) rw rx ry r� r r| rr rs rt rW r� r} �_loop_self_reading)r/ r� rX r r r r� � s �z(BaseProactorEventLoop._loop_self_readingc C s> z| j �d� W n( tk r8 | jr4tjddd� Y nX d S )N� z3Fail to write a null byte into the self-pipe socketTr )r� r� rU �_debugr rV rF r r r �_write_to_self s �z$BaseProactorEventLoop._write_to_self�d c s( d� ������fdd� � �� � � d S )Nc s, z�| d k rn| � � \}}�jr,t�d�||� �� }�d k rX�j||�dd|i��d� n�j||d|i�d� ��� r|W d S �j���} W n� t k r� } zH�� � dkrʈ� d|t � ��d�� ��� n�jr�tjd �dd � W 5 d }~X Y n8 tjk �r ��� Y nX | �j�� � < | �� � d S ) Nz#%r got a new connection from %r: %rTr )r� r3 r4 r� r� r� zAccept failed on a socket)rQ rR r zAccept failed on socket %rr )rw r� r rV r� r� r� rx r� rU r< rW r r rK r r| r� r} )r� �connr� r1 rX �r0 �protocol_factoryr/ r4 r r� r� r r r0 s\ � � � � �z2BaseProactorEventLoop._start_serving.<locals>.loop)N)r, )r/ r� r r� r4 �backlogr� r r� r �_start_serving s %z$BaseProactorEventLoop._start_servingc C s d S rD r )r/ Z event_listr r r �_process_eventsE s z%BaseProactorEventLoop._process_eventsc C s& | j �� D ] }|�� q | j �� d S rD )r� �valuesrJ �clear)r/ �futurer r r r� I s z*BaseProactorEventLoop._stop_accept_futuresc C s6 | j �|�� d �}|r |�� | j�|� |�� d S rD )r� �popr< rJ rx � _stop_servingrK )r/ r r� r r r r� N s z#BaseProactorEventLoop._stop_serving)NNN)N)NNN)NN)NN)NN)N)NNr� N)r: rc rd r r� r� r� r� r� r� rK r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� rg r r r5 r r k s\ � � � � � � � � +r )"�__all__r� r� r re r� r� r� � r r r r r r r r �logr r Z_FlowControlMixinZ BaseTransportr Z ReadTransportrh ZWriteTransportr r� r� Z Transportr� r� Z BaseEventLoopr r r r r �<module> sP � � �n � �