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Edit: selector_events.cpython-39.opt-2.pyc
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)�_remove_reader�_ssock�filenor: �_csock� _internal_fdsr; r r r r9 ] s z&BaseSelectorEventLoop._close_self_pipec C sN t �� \| _| _| j�d� | j�d� | jd7 _| �| j�� | j� d S )NFr ) �socket� socketpairr= r? � setblockingr@ � _add_readerr> �_read_from_selfr; r r r r e s z%BaseSelectorEventLoop._make_self_pipec C s d S r) r �r$ �datar r r �_process_self_datam s z(BaseSelectorEventLoop._process_self_datac C sT z"| j �d�}|sW qP| �|� W q ty8 Y q Y q tyL Y qPY q 0 q d S )Ni )r= �recvrH �InterruptedError�BlockingIOErrorrF r r r rE p s z%BaseSelectorEventLoop._read_from_selfc C sL | j }|d u rd S z|�d� W n& tyF | jrBtjddd� Y n0 d S )N� z3Fail to write a null byte into the self-pipe socketT��exc_info)r? �send�OSError�_debugr r )r$ �csockr r r �_write_to_self| s �z$BaseSelectorEventLoop._write_to_self�d c C s" | � |�� | j||||||� d S r) )rD r> �_accept_connection)r$ �protocol_factoryr+ r2 r( �backlogr1 r r r �_start_serving� s �z$BaseSelectorEventLoop._start_servingc C s t |�D ]�}z0|�� \}} | jr0t�d|| |� |�d� W n� tttfyX Y d S t y� } zl| j t j t j t j t jfv r�| �d| t�|�d�� | �|�� � | �tj| j||||||� n� W Y d } ~ qd } ~ 0 0 d| i} | �||| |||�} | �| � qd S )Nz#%r got a new connection from %r: %rFz&socket.accept() out of system resource)�message� exceptionrA �peername)�range�acceptrQ r r rC rK rJ �ConnectionAbortedErrorrP �errnoZEMFILEZENFILEZENOBUFSZENOMEM�call_exception_handlerr �TransportSocketr< r> Z call_laterr ZACCEPT_RETRY_DELAYrX �_accept_connection2Z create_task) r$ rV r+ r2 r( rW r1 �_�conn�addr�excr' r] r r r rU � s@ � ��� �z(BaseSelectorEventLoop._accept_connectionc � s� d }d }zr|� }| � � } |r8| j|||| d|||d�}n| j||| ||d�}z| I d H W n tyv |�� � Y n0 W nt ttfy� � Y n^ ty� } zF| jr�d| d�} |d ur�|| d< |d ur�|| d< | �| � W Y d } ~ n d } ~ 0 0 d S )NT)r- r/ r' r( r1 )r- r' r( z3Error on transport creation for incoming connection)rY rZ r, � transport) � create_futurer3 r. � BaseExceptionr: � SystemExit�KeyboardInterruptrQ r` ) r$ rV rd r' r2 r( r1 r, rg r- rf �contextr r r rb � s@ �� 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rz r r r � _add_writer! s � �z!BaseSelectorEventLoop._add_writerc C s� | � � r dS z| j�|�}W n ty0 Y dS 0 |j|j }\}}|tj M }|sb| j�|� n| j� |||d f� |d ur�|� � dS dS d S r� ) r8 r r r r rG r r� r� rx ry r� r r r �_remove_writer1 s z$BaseSelectorEventLoop._remove_writerc G s" | � |� | j||g|�R � d S r) )rs rD �r$ r r{ r| r r r � add_readerH s z BaseSelectorEventLoop.add_readerc C s | � |� | �|�S r) )rs r< �r$ r r r r � remove_readerM s z#BaseSelectorEventLoop.remove_readerc G s" | � |� | j||g|�R � d S r) )rs r� r� r r r � add_writerR s z BaseSelectorEventLoop.add_writerc C s | � |� | �|�S r) )rs r� r� r r r � remove_writerW s z#BaseSelectorEventLoop.remove_writerc � s� t �|� | jr$|�� dkr$td��z |�|�W S ttfyF Y n0 | �� }|� � }| � |� | � || j |||�}|� tj| j||d�� |I d H S �Nr � the socket must be non-blocking�r} )r �_check_ssl_socketrQ � gettimeoutrq rI rK rJ rh r> rs rD � _sock_recv�add_done_callback� functools�partial�_sock_read_done)r$ r+ �n�futr r} r r r � sock_recv\ s �z BaseSelectorEventLoop.sock_recvc C s |d u s|� � s| �|� d S r) )� cancelledr� �r$ r r� r} r r r r� r s z%BaseSelectorEventLoop._sock_read_donec C s� |� � r d S z|�|�}W nZ ttfy2 Y d S ttfyH � Y n8 tyt } z|�|� W Y d }~nd }~0 0 |�|� d S r) ) �donerI rK rJ rj rk ri � set_exception� set_result)r$ r� r+ r� rG rf r r r r� v s z BaseSelectorEventLoop._sock_recvc � s� t �|� | jr$|�� dkr$td��z |�|�W S ttfyF Y n0 | �� }|� � }| � |� | � || j |||�}|� tj| j||d�� |I d H S r� )r r� rQ r� rq � recv_intorK rJ rh r> rs rD �_sock_recv_intor� r� r� r� )r$ r+ �bufr� r r} r r r �sock_recv_into� s �z$BaseSelectorEventLoop.sock_recv_intoc C s� |� � r d S z|�|�}W nZ ttfy2 Y d S ttfyH � Y n8 tyt } z|�|� W Y d }~nd }~0 0 |�|� d S r) ) r� r� rK rJ rj rk ri r� r� )r$ r� r+ r� �nbytesrf r r r r� � s z%BaseSelectorEventLoop._sock_recv_intoc � s� t �|� | jr$|�� dkr$td��z|�|�}W n ttfyL d}Y n0 |t|�kr^d S | � � }|� � }| � |� | � || j ||t|�|g�}|�tj| j||d�� |I d H S r� )r r� rQ r� rq rO rK rJ �lenrh r> rs r� � _sock_sendall� memoryviewr� r� r� �_sock_write_done)r$ r+ rG r� r� r r} r r r � sock_sendall� s& ��z"BaseSelectorEventLoop.sock_sendallc C s� |� � r d S |d }z|�||d � �}W n\ ttfyB Y d S ttfyX � Y n0 ty� } z|�|� W Y d }~d S d }~0 0 ||7 }|t|�kr�|� d � n||d< d S )Nr ) r� rO rK rJ rj rk ri r� r� r� )r$ r� r+ �view�pos�startr� rf r r r r� � s z#BaseSelectorEventLoop._sock_sendallc � s� t �|� | jr$|�� dkr$td��|jtjksBt jrt|jtj krt| j ||j|j |j | d�I d H }|d \}}}}}| � � }| �|||� |I d H S )Nr r� )�family�type�proto�loop)r r� rQ r� rq r� rA �AF_INETZ _HAS_IPv6�AF_INET6Z_ensure_resolvedr� r� rh � _sock_connect)r$ r+ r5 Zresolvedrc r� r r r � sock_connect� s � �� z"BaseSelectorEventLoop.sock_connectc C s� |� � }z|�|� W n� ttfyb | �|� | �|| j|||�}|�tj | j ||d�� Y nN t t fyx � Y n8 t y� } z|�|� W Y d }~nd }~0 0 |�d � d S )Nr� )r> �connectrK rJ rs r� �_sock_connect_cbr� r� r� r� rj rk ri r� r� )r$ r� r+ r5 r r} rf r r r r� � s �� z#BaseSelectorEventLoop._sock_connectc C s |d u s|� � s| �|� d S r) )r� r� r� r r r r� s z&BaseSelectorEventLoop._sock_write_donec C s� |� � r d S z,|�tjtj�}|dkr6t|d|� ���W nX ttfyN Y nN tt fyd � Y n8 t y� } z|� |� W Y d }~nd }~0 0 |� d � d S )Nr zConnect call failed ) r� � getsockoptrA � SOL_SOCKET�SO_ERRORrP rK rJ rj rk ri r� r� )r$ r� r+ r5 �errrf r r r r� s z&BaseSelectorEventLoop._sock_connect_cbc � sB t �|� | jr$|�� dkr$td��| �� }| �||� |I d H S )Nr r� )r r� rQ r� rq rh � _sock_accept)r$ r+ r� r r r � sock_accept" s z!BaseSelectorEventLoop.sock_acceptc C s� |� � }z|�� \}}|�d� W n� ttfyl | �|� | �|| j||�}|�t j | j ||d�� Y nR t t fy� � Y n< ty� } z|�|� W Y d }~nd }~0 0 |�||f� d S )NFr� )r> r] rC rK rJ rs rD r� r� r� r� r� rj rk ri r� r� )r$ r� r+ r rd r5 r} rf r r r r� 1 s � z"BaseSelectorEventLoop._sock_acceptc � s� | j |j= |�� }|�� |�� I d H zL| j|j|||dd�I d H W |�� |rZ|�� || j |j< S || j |j< n"|�� |r�|�� || j |j< 0 d S )NF)�fallback) r# �_sock_fd� is_reading� pause_reading�_make_empty_waiterZ sock_sendfile�_sock�_reset_empty_waiter�resume_reading)r$ Ztransp�file�offset�countr� r r r �_sendfile_nativeB s* � � �z&BaseSelectorEventLoop._sendfile_nativec C s� |D ]v\}}|j |j }\}}|tj@ rL|d urL|jrB| �|� n | �|� |tj@ r|d ur|jrp| �|� q| �|� qd S r) ) �fileobjrG r rw Z _cancelledr< Z _add_callbackr� r� )r$ Z event_listr r~ r� r r� r r r �_process_eventsP s z%BaseSelectorEventLoop._process_eventsc C s | � |�� � |�� d S r) )r< r> r: )r$ r+ r r r � _stop_serving^ s z#BaseSelectorEventLoop._stop_serving)N)N)N)NNN)N)N),r � __module__� __qualname__r r. r ZSSL_HANDSHAKE_TIMEOUTr3 r6 r: r9 r rH rE rS rX rU rb rs rD r< r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� � __classcell__r r r% r r + sh � �� � � � .� ) r c s� e Zd ZdZeZdZd � fdd� Zdd� Zdd� Z d d � Z d d � Z d d� Z dd� Z ejfdd�Zd dd�Zdd� Zdd� Zdd� Zd d � Z� ZS ) �_SelectorTransporti Nc s� t � �||� t�|�| jd< z|�� | jd< W n tyL d | jd< Y n0 d| jvr�z|�� | jd< W n tj y� d | jd< Y n0 || _ |� � | _ d| _ | �|� || _| �� | _d| _d| _| jd ur�| j�� | |j| j < d S )NrA Zsocknamer[ Fr )r r r ra �_extra� getsocknamerP � getpeernamerA �errorr� r> r� �_protocol_connected� set_protocol�_server�_buffer_factory�_buffer� _conn_lost�_closingZ_attachr# )r$ r� r+ r, r' r( r% r r r o s, z_SelectorTransport.__init__c C s� | j jg}| jd u r |�d� n| jr0|�d� |�d| j� �� | jd ur�| j�� s�t| jj | jt j �}|rz|�d� n |�d� t| jj | jt j �}|r�d}nd}| � � }|�d|� d |� d �� d �d �|��S ) N�closed�closingzfd=z read=pollingz read=idle�pollingZidlezwrite=<z , bufsize=�>z<{}>� )r r r� �appendr� r� �_loopr8 r r r rw r� �get_write_buffer_size�format�join)r$ �infor� �state�bufsizer r r �__repr__� s. � �z_SelectorTransport.__repr__c C s | � d � d S r) )� _force_closer; r r r �abort� s z_SelectorTransport.abortc C s || _ d| _d S �NT)� _protocolr� �r$ r, r r r r� � s z _SelectorTransport.set_protocolc C s | j S r) )r� r; r r r � get_protocol� s z _SelectorTransport.get_protocolc C s | j S r) )r� r; r r r rr � s z _SelectorTransport.is_closingc C sT | j r d S d| _ | j�| j� | jsP| jd7 _| j�| j� | j�| jd � d S �NTr ) r� r� r< r� r� r� r� � call_soon�_call_connection_lostr; r r r r: � s z_SelectorTransport.closec C s, | j d ur(|d| ��t| d� | j �� d S )Nzunclosed transport )�source)r� �ResourceWarningr: )r$ �_warnr r r �__del__� s z_SelectorTransport.__del__�Fatal error on transportc C sN t |t�r(| j�� r@tjd| |dd� n| j�||| | jd�� | �|� d S )Nz%r: %sTrM )rY rZ rg r, ) rm rP r� � get_debugr r r` r� r� )r$ rf rY r r r � _fatal_error� s �z _SelectorTransport._fatal_errorc C sd | j r d S | jr(| j�� | j�| j� | jsBd| _| j�| j� | j d7 _ | j�| j |� d S r� ) r� r� �clearr� r� r� r� r< r� r� �r$ rf r r r r� � s z _SelectorTransport._force_closec C s� zN| j r| j�|� W | j�� d | _d | _d | _| j}|d ur�|�� d | _n:| j�� d | _d | _d | _| j}|d ur�|�� d | _0 d S r) )r� r� Zconnection_lostr� r: r� r� Z_detach)r$ rf r( r r r r� � s& � z(_SelectorTransport._call_connection_lostc C s t | j�S r) )r� r� r; r r r r� � s z(_SelectorTransport.get_write_buffer_sizec G s$ | j r d S | jj||g|�R � d S r) )r� r� rD r� r r r rD � s z _SelectorTransport._add_reader)NN)r� )r r� r� �max_size� bytearrayr� r� r r� r� r� r� rr r: �warnings�warnr� r� r� r� r� rD r� r r r% r r� c s r� c s� e Zd ZdZejjZd#� fdd� Z� fdd�Z dd� Z d d � Z d d � Z d d� Z dd� Zdd� Zdd� Zdd� Zdd� Zdd� Zdd � Z� fd d �Zd d � Zd!d"� Z� ZS )$r* TNc s~ d | _ t� �|||||� d| _d| _d | _t�| j� | j � | j j | � | j � | j | j| j� |d urz| j � tj|d � d S r )�_read_ready_cbr r �_eof�_paused� _empty_waiterr Z _set_nodelayr� r� r� r� �connection_maderD r� � _read_readyr � _set_result_unless_cancelled)r$ r� r+ r, r- r' r( r% r r r � s � �z!_SelectorSocketTransport.__init__c s. t |tj�r| j| _n| j| _t� �|� d S r) )rm r ZBufferedProtocol�_read_ready__get_bufferr� �_read_ready__data_receivedr r� r� r% r r r� s z%_SelectorSocketTransport.set_protocolc C s | j o| j S r) )r r� r; r r r r� s z#_SelectorSocketTransport.is_readingc C s> | j s | jrd S d| _| j�| j� | j�� r:t�d| � d S )NTz%r pauses reading)r� r r� r< r� r� r r r; r r r r� s z&_SelectorSocketTransport.pause_readingc C s@ | j s | jsd S d| _| �| j| j� | j�� r<t�d| � d S )NFz%r resumes reading) r� r rD r� r r� r� r r r; r r r r� " s z'_SelectorSocketTransport.resume_readingc C s | � � d S r) )r� r; r r r r * s z$_SelectorSocketTransport._read_readyc C sV | j r d S z | j�d�}t|�s(td��W nH ttfyB � Y n2 tyr } z| �|d� W Y d }~d S d }~0 0 z| j � |�}W n^ t t fy� Y d S ttfy� � Y n2 ty� } z| �|d� W Y d }~d S d }~0 0 |� s�| � � d S z| j�|� W nJ ttf�y � Y n2 t�yP } z| �|d� W Y d }~n d }~0 0 d S )N���z%get_buffer() returned an empty bufferz/Fatal error: protocol.get_buffer() call failed.�$Fatal read error on socket transportz3Fatal error: protocol.buffer_updated() call failed.)r� r� Z get_bufferr� r7 rj rk ri r� r� r� rK rJ �_read_ready__on_eofZbuffer_updated)r$ r� rf r� r r r r - sB � �z0_SelectorSocketTransport._read_ready__get_bufferc C s� | j r d S z| j�| j�}W n^ ttfy4 Y d S ttfyJ � Y n2 tyz } z| � |d� W Y d }~d S d }~0 0 |s�| � � d S z| j � |� W nF ttfy� � Y n0 ty� } z| � |d� W Y d }~n d }~0 0 d S )Nr z2Fatal error: protocol.data_received() call failed.) r� r� rI r� rK rJ rj rk ri r� r r� Z data_received)r$ rG rf r r r r R s, �z3_SelectorSocketTransport._read_ready__data_receivedc C s� | j �� rt�d| � z| j�� }W nH ttfy< � Y n2 tyl } z| � |d� W Y d }~d S d }~0 0 |r�| j � | j � n| � � d S )Nz%r received EOFz1Fatal error: protocol.eof_received() call failed.) r� r� r r r� Z eof_receivedrj rk ri r� r< r� r: )r$ Z keep_openrf r r r r k s �z,_SelectorSocketTransport._read_ready__on_eofc C s0 t |tttf�s$tdt|�j����| jr2td��| j d urDtd��|sLd S | j rz| j t j krht �d� | j d7 _ d S | j�sz| j�|�}W n\ ttfy� Y n^ ttfy� � Y nH ty� } z| �|d� W Y d }~d S d }~0 0 ||d � }|�sd S | j�| j| j� | j� |� | � � d S )N�/data argument must be a bytes-like object, not z%Cannot call write() after write_eof()z(unable to write; sendfile is in progress� socket.send() raised exception.r �%Fatal write error on socket transport) rm �bytesr� r� rp r� r r� r7 r r� r 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already set)r r7 r� rh r� r� r; r r r r� � s z+_SelectorSocketTransport._make_empty_waiterc C s d | _ d S r) )r r; r r r r� � s z,_SelectorSocketTransport._reset_empty_waiter)NNN)r r� r� Z_start_tls_compatibler Z _SendfileModeZ TRY_NATIVEZ_sendfile_compatibler r� r� r� r� r r r r r r r r r� r� r� r� r r r% r r* � s( � %' r* c sF e Zd ZejZd � fdd� Zdd� Zdd� Zd dd �Z d d � Z � Z S )r4 Nc s^ t � �||||� || _| j�| jj| � | j�| j| j| j � |d urZ| j�t j |d � d S r) ) r r �_addressr� r� r� r rD r� r r r )r$ r� r+ r, r5 r- r' r% r r r � s � �z#_SelectorDatagramTransport.__init__c C s t dd� | jD ��S )Nc s s | ]\}}t |�V qd S r) )r� )�.0rG rc r r r � <genexpr>� � zC_SelectorDatagramTransport.get_write_buffer_size.<locals>.<genexpr>)�sumr� r; r r r r� � s z0_SelectorDatagramTransport.get_write_buffer_sizec C s� | j r d S z| j�| j�\}}W n� ttfy6 Y n� tyd } z| j�|� W Y d }~n\d }~0 t t fyz � Y n> t y� } z| � |d� W Y d }~nd }~0 0 | j� ||� d S )Nz&Fatal read error on datagram transport)r� r� �recvfromr� rK 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