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� __module__� __qualname__�__doc__r! rF r" r$ rO rQ rT �warnings�warnrX rb r` rR rn � __classcell__r r r: r r . s � r c sX e Zd ZdZ d� fdd� Zdd� Zdd � Zd d � Zd d � Zdd� Z ddd�Z � Z S )�_ProactorReadPipeTransportzTransport for read pipes.N� c sD d| _ d| _t� �||||||� t|�| _| j�| j� d| _d S )Nrh TF) �_pending_data_length�_pausedr r! � bytearray�_datar r/ � _loop_reading)r4 r5 r r6 r7 r8 r9 � buffer_sizer: r r r! � s z#_ProactorReadPipeTransport.__init__c C s | j o| j S rJ )ry r+ rN r r r � is_reading� s z%_ProactorReadPipeTransport.is_readingc C s4 | j s| jrd S d| _| j�� rt�d| � d S d S )NTz%r pauses reading)r+ ry r r r r^ rN r r r � pause_reading� s �z(_ProactorReadPipeTransport.pause_readingc C s~ | j s| jsd S d| _| jd u r| j�| jd � | j}d| _|dkr0| j�| j| jd |� |� | j� � r=t � d| � d S d S )NFrh z%r resumes reading) r+ ry r' r r/ r| rx �_data_receivedr{ r r r^ )r4 �lengthr r r �resume_reading� s �z)_ProactorReadPipeTransport.resume_readingc C s~ | j �� r t�d| � z| j�� }W n" ttfy � ty4 } z | � |d� W Y d }~d S d }~ww |s=| � � d S d S )Nz%r received EOFz1Fatal error: protocol.eof_received() call failed.) r r r r^ r0 � eof_received� SystemExit�KeyboardInterrupt� BaseExceptionrb rT )r4 � keep_openra r r r � _eof_received� s ��� �z(_ProactorReadPipeTransport._eof_receivedc C s� | j r| jdks J �|| _d S |dkr| �� d S t| jtj�rMz t�| j|� W d S tt fy4 � t yL } z | � |d� W Y d }~d S d }~ww | j� |� d S )Nrh r z3Fatal error: protocol.buffer_updated() call failed.) ry rx r� r\ r0 r �BufferedProtocol� _feed_data_to_buffered_protor� r� r� rb � data_received)r4 �datar� ra r r r r� � s( ���z)_ProactorReadPipeTransport._data_receivedc C s� d}d }z�za|d urD| j |u s| j d u r| jsJ �d | _ |�� r@|�� }|dkr8W W |dkr6| �||� d S d S | jd |� }n|�� | jrWW W |dkrU| �||� d S d S | jse| jj � | j | j�| _ W nb t y� } z | jsx| � |d� n | j�� r�tjddd� W Y d }~nId }~w ty� } z | �|� W Y d }~n3d }~w ty� } z | � |d� W Y d }~n d }~w tjy� | jsƂ Y n w | js�| j �| j� W |dkr�| �||� d S d S |dkr�| �||� w w )Nrh r z"Fatal read error on pipe transportz*Read error on pipe transport while closingTr )r' r+ rd �resultr� r{ rS ry r � _proactor� recv_intor# �ConnectionAbortedErrorrb r r r^ �ConnectionResetErrorr` r] r �CancelledError�add_done_callbackr| )r4 �futr� r� ra r r r r| sh �"����� ������� ��z(_ProactorReadPipeTransport._loop_reading)NNNrw rJ ) r? 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M s z(_ProactorBaseWritePipeTransport.__init__c C s� t |tttf�stdt|�j� ���| jrtd��| j d ur"td��|s&d S | j r=| j t j kr4t �d� | j d7 _ d S | jd u rS| jd u sIJ �| jt|�d� d S | jsat|�| _| �� d S | 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 )r� )r\ �bytesrz � memoryview� TypeError�typer? r- � RuntimeErrorrc r* r �!LOG_THRESHOLD_FOR_CONNLOST_WRITESr r r( r& � _loop_writing�_maybe_pause_protocol�extend)r4 r� r r r �writeQ s2 �� z%_ProactorBaseWritePipeTransport.writeNc C s� z�|d ur| j d u r| jrW d S || j u sJ �d | _ d| _|r#|�� |d u r-| j}d | _|sI| jr:| j�| jd � | jrD| j � t j � | � � n.| jj�| j |�| _ | j �� sp| jdks_J �t|�| _| j �| j� | �� n| j �| j� | jd ur�| j d u r�| j�d � W d S W d S W d S ty� } z | �|� W Y d }~d S d }~w ty� } z | �|d� W Y d }~d S d }~ww )Nr z#Fatal write error on pipe transport)r( r+ r) r� r& r r/ rR r- r# rg r �SHUT_WR�_maybe_resume_protocolr� �sendrd rB r� r� r� rc re r� r` r] rb )r4 �fr� ra r r r r� w sD ����z-_ProactorBaseWritePipeTransport._loop_writingc C � dS �NTr rN r r r � can_write_eof� � z-_ProactorBaseWritePipeTransport.can_write_eofc C s | � � d S rJ )rT rN r r r � write_eof� s z)_ProactorBaseWritePipeTransport.write_eofc C � | � d � d S rJ �r` rN r r r �abort� rI z%_ProactorBaseWritePipeTransport.abortc C s: | j d ur td��| j�� | _ | jd u r| j �d � | j S )NzEmpty waiter is already set)rc r� r � create_futurer( re rN r r r �_make_empty_waiter� s z2_ProactorBaseWritePipeTransport._make_empty_waiterc C s d | _ d S rJ )rc rN r r r �_reset_empty_waiter� rL z3_ProactorBaseWritePipeTransport._reset_empty_waiter�NN)r? rp rq rr �_start_tls_compatibler! r� r� r� r� r� r� r� ru r r r: r r� G s &)r� c s$ e Zd Z� fdd�Zdd� Z� ZS )�_ProactorWritePipeTransportc s8 t � j|i |�� | jj�| jd�| _| j�| j� d S )N� ) r r! r r� �recvr# r' r� � _pipe_closedr� r: r r r! � s z$_ProactorWritePipeTransport.__init__c C sx |� � rd S |�� dksJ �| jr| jd u sJ �d S || ju s&J || jf��d | _| jd ur6| �t� � d S | �� d S )N� )� cancelledr� r+ r' r( r` �BrokenPipeErrorrT )r4 r� r r r r� � s z(_ProactorWritePipeTransport._pipe_closed)r? rp rq r! r� ru r r r: r r� � s r� c s\ e Zd ZdZ d� 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)r7 r8 ) �_addressrc r r! � collections�dequer& r r/ r| )r4 r5 r r6 �addressr7 r8 r: r r r! � s z#_ProactorDatagramTransport.__init__c C � t | |� d S rJ �r rH r r r r" � rI z%_ProactorDatagramTransport._set_extrac C s t dd� | jD ��S )Nc s s � | ] \}}t |�V qd S rJ )rB )�.0r� �_r r r � <genexpr>� s � zC_ProactorDatagramTransport.get_write_buffer_size.<locals>.<genexpr>)�sumr& rN r r r rn � s z0_ProactorDatagramTransport.get_write_buffer_sizec C r� rJ r� rN r r r r� � rI z _ProactorDatagramTransport.abortc C s� t |tttf�stdt|���|sd S | jd ur'|d | jfvr'td| j� ���| jrA| jrA| jt j kr8t � d� | jd7 _d S | j �t|�|f� | jd u rT| �� | �� d S )Nz,data argument must be bytes-like object (%r)z!Invalid address: must be None or z!socket.sendto() raised exception.r )r\ r� rz r� r� r� r� � ValueErrorr* r r� r r r& r@ r( r� r� )r4 r� �addrr r r �sendto� s& � � z!_ProactorDatagramTransport.sendtoc C s" zR| j rW d S || ju sJ �d | _|r|�� | jr | j r.| jr.| jr+| j�| jd � W d S | j� � \}}| jd urE| jj � | j |�| _n | jj j | j ||d�| _W n1 tyk } z | j�|� W Y d }~d S d }~w ty� } z | �|d� W Y d }~d S d }~ww | j�| j� | �� d S )N)r� z'Fatal write error on datagram transport)r* r( r� r& r� r+ r r/ rR �popleftr� r� r# r� r] r0 �error_received� Exceptionrb r� r� r� )r4 r� r� r� ra r r r r� � s< � ����� z(_ProactorDatagramTransport._loop_writingc C s� d }z�z�| j rW W |r| j�||� d S d S | j|u s%| jd u r#| js%J �d | _|d urT|�� }| jrDd }W W |rB| j�||� d S d S | jd urP|| j}}n|\}}| j rfW W |rd| j�||� d S d S | jd urw| jj� | j | j �| _n | jj� | j | j �| _W n% t y� } z | j�|� W Y d }~n d }~w tjy� | js�� Y n w | jd ur�| j�| j� W |r�| j�||� d S d S |r�| j�||� w w rJ )r* r0 �datagram_receivedr' r+ r� r� r r� r� r# �max_size�recvfromr] r� r r� r� r| )r4 r� r� r� �resra r r r r| sf $���� �� � � ����� ���z(_ProactorDatagramTransport._loop_readingro rJ ) r? 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