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r� )rh � event_listr r r �_process_events� s z BaseEventLoop._process_eventsc C s | j rtd��d S )NzEvent loop is closed)r� ro rt r r r r� � s zBaseEventLoop._check_closedc C s* | j �|� | �� s&| �| j|�� � d S rD )r� �discardr� �call_soon_threadsafer� �aclose�rh �agenr r r �_asyncgen_finalizer_hook� s z&BaseEventLoop._asyncgen_finalizer_hookc C s. | j r tjd|�d�t| d� | j�|� d S )Nzasynchronous generator z3 was scheduled after loop.shutdown_asyncgens() call��source)r� �warnings�warn�ResourceWarningr� �addr� r r r �_asyncgen_firstiter_hook s �z&BaseEventLoop._asyncgen_firstiter_hookc � s� d| _ t| j�sd S t| j�}| j�� tjdd� |D �d| d��I d H }t||�D ]*\}}t|t �rT| � d|��||d�� qTd S )NTc S s g | ] }|� � �qS r )r� )rE Zagr r r � <listcomp> s z4BaseEventLoop.shutdown_asyncgens.<locals>.<listcomp>)Zreturn_exceptionsr� z;an error occurred during closing of asynchronous generator )�messagerT Zasyncgen) r� �lenr� rJ �clearr �gather�zipr � Exception�call_exception_handler)rh Z 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�z BaseEventLoop.run_in_executorc C s& t |tjj�s t�dtd� || _d S )Nz{Using the default executor that is not an instance of ThreadPoolExecutor is deprecated and will be prohibited in Python 3.9� )r r* r r+ r� r� �DeprecationWarningr� r r r r �set_default_executor s �z"BaseEventLoop.set_default_executorc C s� |� d|��g}|r$|� d|��� |r8|� d|��� |rL|� d|��� |r`|� d|��� d�|�}t�d|� | �� }t�||||||�} | �� | } d|� d | d d �d | ��}| | jkr�t�|� n t�|� | S ) N�:zfamily=ztype=zproto=zflags=�, zGet address info %szGetting address info z took g @�@z.3fzms: ) r; �joinr r r� r% � getaddrinfor� �info) rh r= r> r? r@ rA �flags�msg�t0�addrinfo�dtr r r �_getaddrinfo_debug s& z BaseEventLoop._getaddrinfo_debugr �r? r@ rA r6 c � s2 | j r| j}ntj}| �d |||||||�I d H S rD )r r; r% r4 r) )rh r= r> r? r@ rA r6 Z getaddr_funcr r r r4 2 s �zBaseEventLoop.getaddrinfoc � s | � d tj||�I d H S rD )r) r% � getnameinfo)rh Zsockaddrr6 r r r r= < s �zBaseEventLoop.getnameinfo)�fallbackc � s� | j r|�� dkrtd��| �||||� z| �||||�I d H W S tjk rl } z |s\� W 5 d }~X Y nX | �||||�I d H S )Nr z the socket must be non-blocking)r � gettimeoutr& �_check_sendfile_params�_sock_sendfile_nativer �SendfileNotAvailableError�_sock_sendfile_fallback)rh r+ �file�offset�countr> rY r r r � sock_sendfile@ s � �zBaseEventLoop.sock_sendfilec � s t �d|�d���d S )Nz-syscall sendfile is not available for socket z and file {file!r} combination�r rB �rh r+ rD rE rF r r r rA N s �z#BaseEventLoop._sock_sendfile_nativec � s� |r|� |� |r t|tj�ntj}t|�}d}zt|rNt|| |�}|dkrNq�t|�d |� }| �d |j|�I d H } | szq�| � ||d | � �I d H || 7 }q2|W �S |dkr�t|d�r�|� || � X d S )Nr �seek) rJ �minr Z!SENDFILE_FALLBACK_READBUFFER_SIZE� bytearrayr$ � memoryviewr) �readintoZ sock_sendall) rh r+ rD rE rF � blocksize�buf� total_sent�view�readr r r rC U s, �� z%BaseEventLoop._sock_sendfile_fallbackc C s� dt |dd�krtd��|jtjks,td��|d k rbt|t�sLtd�|���|dkrbtd�|���t|t�sztd�|���|dk r�td�|���d S )N�b�modez$file should be opened in binary modez+only SOCK_STREAM type sockets are supportedz+count must be a positive integer (got {!r})r z0offset must be a non-negative integer (got {!r})) r r& r@ r% r3 r r6 r7 �formatrI r r r r@ o s2 �� ����z$BaseEventLoop._check_sendfile_paramsc � s@ g }|� |� |\}}}}} d } z�tj|||d�} | �d� |d k r�|D ]r\}}}}} z| �| � W q�W qH tk r� } z0d| �d| j�� � �} t| j| �} |� | � W 5 d } ~ X Y qHX qH|�� �| � | | �I d H | W S tk �r } z"|� | � | d k �r | � � � W 5 d } ~ X Y n | d k �r4| � � � Y nX d S )N�r? r@ rA Fz*error while attempting to bind on address �: ) r; r% � setblocking�bindr) �strerror�lower�errno�pop� sock_connectr� )rh r Z addr_infoZlocal_addr_infosZ my_exceptionsr? Ztype_rA �_r� r+ �laddrrY r7 r r r � _connect_sock� s: � zBaseEventLoop._connect_sock) �sslr? rA r6 r+ � local_addrr� r� �happy_eyeballs_delay� interleavec � sl | d k r|st d��| d kr0|r0|s,t d��|} | d k rD|sDt d��| d k rX| d krXd} |d k sj|d k �r�|d k rzt d���j||f|tj||�d�I d H }|s�td��| d k r܈j| |tj||�d�I d H ��s�td��nd �| r�t|| �}g � | d k�rH|D ]D}z ��� |��I d H }W �qvW n tk �r@ Y �q Y nX �q n.tj� ��fdd �|D �| �d �I d H \}}}|d k�r d d � � D �� t � �dk�r�� d �nJt � d ��t �fdd �� D ���r҈ d �td� d� dd � � D �����n.|d k�rt d��|jtjk�r t d|�����j|||| | d�I d H \}}�j�rd|�d�}t�d|||||� ||fS )Nz+server_hostname is only meaningful with sslz:You must set server_hostname when using ssl without a host�1ssl_handshake_timeout is only meaningful with sslr �8host/port and sock can not be specified at the same time�r? r@ rA r6 r� �!getaddrinfo() returned empty listc 3 s | ]}t ��j� |��V qd S rD )� functools�partialrb )rE r9 )r � laddr_infosrh r r rG � s � �z2BaseEventLoop.create_connection.<locals>.<genexpr>r� c S s g | ]}|D ]}|�q qS r r )rE �subrY r r r r� � s z3BaseEventLoop.create_connection.<locals>.<listcomp>r c 3 s | ]}t |�� kV qd S rD �r �rE rY )�modelr r rG s zMultiple exceptions: {}r2 c s s | ]}t |�V qd S rD ro rp r r r rG s z5host and port was not specified and no sock specified�"A Stream Socket was expected, got )r� r% z %r connected to %s:%r: (%r, %r))r& �_ensure_resolvedr% r3 r) rR rb r Zstaggered_racer� r �allrV r3 r@ � _create_connection_transportr �get_extra_infor r )rh r� r= r> rc r? rA r6 r+ rd r� r� re rf �infosr9 r` rp r� r )r rm rq rh r �create_connection� s� �� � � � � � � �� � �z BaseEventLoop.create_connectionc � s� |� d� |� }| �� }|rHt|t�r*d n|} | j||| ||||d�} n| �|||�} z|I d H W n | �� � Y nX | |fS )NF�r� r� r� )rY rf r �boolr� r� r� ) rh r+ r� rc r� r� r� r� r� r� rp r r r ru % s* �z*BaseEventLoop._create_connection_transportc � s� |� � rtd��t|dtjj�}|tjjkr:td|����|tjjkr�z| �||||�I d H W S tj k r� } z |sx� W 5 d }~X Y nX |s�td|����| � ||||�I d H S )NzTransport is closingZ_sendfile_compatiblez(sendfile is not supported for transport zHfallback is disabled and native sendfile is not supported for transport ) rk ro r r Z _SendfileModeZ UNSUPPORTEDZ TRY_NATIVE�_sendfile_nativer rB �_sendfile_fallback)rh rp rD rE rF r> rU rY r r r �sendfile? s4 � � � � �zBaseEventLoop.sendfilec � s t �d��d S )Nz!sendfile syscall is not supportedrH )rh ri rD rE rF r r r r{ n s �z BaseEventLoop._sendfile_nativec � s� |r|� |� |r t|d�nd}t|�}d}t|�}z�|rXt|| |�}|dkrX|W �bS t|�d |� } | �d |j| �I d H } | s�|W �0S |� � I d H |� | d | � � || 7 }q6W 5 |dkr�t|d�r�|� || � |�� I d H X d S )Ni @ r rJ ) rJ rK rL r^ r$ r~ rM r) rN rm �write) rh ri rD rE rF rO rP rQ rA rR rS r r r r| r s* z BaseEventLoop._sendfile_fallbackry c � s� t d krtd��t|t j�s*td|����t|dd�sFtd|�d���| �� }tj| ||||||dd�}|� � |� |� | � |j |�} | � |j �} z|I d H W n. tk r� |�� | �� | �� � Y nX |jS )Nz"Python ssl module is not availablez@sslcontext is expected to be an instance of ssl.SSLContext, got Z_start_tls_compatibleFz transport z is not supported by start_tls())r� r� )rc ro r Z SSLContextr7 r rf r Z SSLProtocolrc rd r$ rq r| � BaseExceptionr� r} Z_app_transport) rh rp r� r� r� r� r� r� Z ssl_protocolZ conmade_cbZ resume_cbr r r � start_tls� sB � � � zBaseEventLoop.start_tls)r? rA r6 � reuse_address� reuse_port�allow_broadcastr+ c � s� | d k r�| j tjkr"td| ����� s>�s>|s>|s>|s>|s>| r~t� �|||||| d�} d�dd� | �� D ��} td| � d���| �d� d } �n� s��s�|d kr�td ��||fd ff}�n�ttd ��r�|tj k�r�� �fD ] }|d k r�t |t �s�t d ��qڈ �rx� d dk�rxz"t �t� � �j��r.t�� � W nF tk �rF Y n2 tk �rv } zt�d� |� W 5 d }~X Y nX ||f� �fff}n�i }d � fd�ffD ]�\}}|d k �r�| j||tj||| d�I d H }|�s�td��|D ]:\}}}}}||f}||k�rd d g||< ||| |< �q�q�� �fdd�|�� D �}|�sHtd��g }|tk �rv|�rftd��ntjdtdd� |D ]�\\}}\}}d } d } zxtj|tj|d�} |�r�t| � | �r�| � tj tj d� | �d� � �r�| � |� ��r| �s| � | |�I d H |} W n^ tk �rJ } z | d k �r0| �!� |�"| � W 5 d } ~ X Y n& | d k �rb| �!� � Y nX �q|�qz|d �|� } | �#� } | �$| | | | �} | j%�r̈ �r�t�&d� �| | � nt�'d �| | � z| I d H W n | �!� � Y nX | | fS ) Nz A UDP Socket was expected, got )rd � remote_addrr? rA r6 r� r� r� r2 c s s$ | ] \}}|r|� d |� �V qdS )�=Nr )rE �k�vr r r rG � s z9BaseEventLoop.create_datagram_endpoint.<locals>.<genexpr>zKsocket modifier keyword arguments can not be used when sock is specified. (�)Fr zunexpected address family)NN�AF_UNIXzstring is expected)r � z2Unable to check or remove stale UNIX socket %r: %rr ri rj c s8 g | ]0\}}� r |d dks�r,|d dks||f�qS )r Nr r )rE �keyZ addr_pair�rd r� r r r� � s �z:BaseEventLoop.create_datagram_endpoint.<locals>.<listcomp>z can not get address informationz~Passing `reuse_address=True` is no longer supported, as the usage of SO_REUSEPORT in UDP poses a significant security concern.zdThe *reuse_address* parameter has been deprecated as of 3.5.10 and is scheduled for removal in 3.11.r. )� stacklevelrW z@Datagram endpoint local_addr=%r remote_addr=%r created: (%r, %r)z2Datagram endpoint remote_addr=%r created: (%r, %r))(r@ r% r4 r& �dictr3 �itemsrY r$ r� r r r7 �stat�S_ISSOCK�os�st_mode�remove�FileNotFoundErrorr) r �errorrs �_unsetr� r� r/ r, r' r( � SO_BROADCASTrZ r_ r� r; rf r� r r5 r ) rh r� rd r� r? rA r6 r� r� r� r+ ZoptsZproblemsZr_addrZaddr_pairs_inforQ �errZ addr_infos�idxrw Zfamr` Zpror� r� r Z local_addressZremote_addressrY r� r� rp r r� r �create_datagram_endpoint� s$ ������ � � �� � � �� � � � � �z&BaseEventLoop.create_datagram_endpointc � s\ |d d� \}}t |||||f|dd � �� } | d k r<| gS |j||||||d�I d H S d S )Nr. r< )rC r4 ) rh r� r? r@ rA r6 r� r= r> r5 r r r rs L s �z BaseEventLoop._ensure_resolvedc � s8 | j ||f|tj|| d�I d H }|s4td|�d���|S )N)r? r@ r6 r� z getaddrinfo(z) returned empty list)rs r% r3 r) )rh r= r> r? r6 rw r r r �_create_server_getaddrinfoX s � z(BaseEventLoop._create_server_getaddrinfor ) r? r6 r+ r� rc r� r� r� r� c � s� t |t�rtd��| d k r*|d kr*td��|d k s<�d k �r"|d k rLtd��| d krhtjdkoftjdk} g } |dkr|d g}n$t |t�s�t |t j j �s�|g}n|}� ���fdd�|D �}t j |d �i�I d H }ttj�|��}d }�z |D �]}|\}}}}}zt�|||�}W n8 tjk �rH �j�r@tjd |||d d � Y q�Y nX | �|� | �rl|�tjtjd � | �rzt |� t �r�|tj k�r�t td��r�|�tj tj!d � z|�"|� W q� t#k �r� } z t#|j$d||j%�&� f �d �W 5 d }~X Y q�X q�d }W 5 |�s | D ]}|�� �qX n4|d k�r4td��|j'tj(k�rPtd|����|g} | D ]}|�)d � �qZt*�| |||| �}| �r�|�+� t j,d�d�I d H �j�r�t�-d|� |S )Nz*ssl argument must be an SSLContext or Nonerg rh �posix�cygwinr/ c s g | ]}�j |�� �d ��qS ))r? r6 )r� )rE r= �r? r6 r> rh r r r� � s � �z/BaseEventLoop.create_server.<locals>.<listcomp>r� Fz:create_server() failed to create socket.socket(%r, %r, %r)T��exc_info� IPPROTO_IPV6z0error while attempting to bind on address %r: %sz)Neither host/port nor sock were specifiedrr r r� z %r is serving).r rz r7 r& r� r� r �platformr rH �abc�Iterabler r� �setrM rN rO r� r% r� r r �warningr; r' r( � SO_REUSEADDRr, r: r r$ r� � IPV6_V6ONLYrZ r) r] r[ r\ r@ r3 rY r� r� r� r5 )rh r� r= r> r? r6 r+ r� rc r� r� r� r� r� Zhosts�fsrw Z completed�resrB �socktyperA � canonname�sar� r� r r� r � create_server` s� �� �� � ���� �� � zBaseEventLoop.create_server)rc r� c � sv |j tjkrtd|����|d k r.|s.td��| j|||dd|d�I d H \}}| jrn|�d�}t�d|||� ||fS )Nrr rg r/ T)r� r� r% z%r handled: (%r, %r)) r@ r% r3 r& ru r rv r r )rh r� r+ rc r� rp r� r r r �connect_accepted_socket� s$ � � z%BaseEventLoop.connect_accepted_socketc � sd |� }| � � }| �|||�}z|I d H W n |�� � Y nX | jr\t�d|�� ||� ||fS )Nz Read pipe %r connected: (%r, %r))rf r� r� r r r �fileno�rh r� r� r� r� rp r r r �connect_read_pipe� s �z BaseEventLoop.connect_read_pipec � sd |� }| � � }| �|||�}z|I d H W n |�� � Y nX | jr\t�d|�� ||� ||fS )Nz!Write pipe %r connected: (%r, %r))rf r� r� r r r r� r� r r r �connect_write_pipe s �z BaseEventLoop.connect_write_pipec C s� |g}|d k r"|� dt|�� �� |d k rJ|tjkrJ|� dt|�� �� n8|d k rf|� dt|�� �� |d k r�|� dt|�� �� t�d�|�� d S )Nzstdin=zstdout=stderr=zstdout=zstderr=� )r; r" r r r r r3 )rh r7 r� r� r� r5 r r r �_log_subprocess s z BaseEventLoop._log_subprocess) r� r� r� �universal_newlinesr� r� �encoding�errors�textc � s� t |ttf�std��|r"td��|s.td��|dkr>td��| rJtd��| d k rZtd��| d k rjtd��|� } d }| jr�d | }| �||||� | j| |d ||||f| �I d H }| jr�|d k r�t�d ||� || fS ) Nzcmd must be a string� universal_newlines must be Falsezshell must be Truer �bufsize must be 0�text must be False�encoding must be None�errors must be Nonezrun shell command %rT�%s: %r) r r5 r r& r r� r� r r5 )rh r� �cmdr� r� r� r� r� r� r� r� r� r� r� � debug_logrp r r r �subprocess_shell sB �� z BaseEventLoop.subprocess_shellc � s� |r t d��|rt d��|dkr(t d��| r4t d��| d k rDt d��| d k rTt d��|f| }|� }d }| jr�d|��}| �||||� | j||d ||||f| �I d H }| jr�|d k r�t�d ||� ||fS ) Nr� zshell must be Falser r� r� r� r� zexecute program Fr� )r& r r� r� r r5 )rh r� Zprogramr� r� r� r� r� r� r� r� r� r� r� Z popen_argsr� r� rp r r r �subprocess_execC s@ �� z BaseEventLoop.subprocess_execc C s | j S rD )r� rt r r r �get_exception_handlere s z#BaseEventLoop.get_exception_handlerc C s( |d k r t |�s td|����|| _d S )Nz+A callable object or None is expected, got )r� r7 r� )rh �handlerr r r �set_exception_handlerj s z#BaseEventLoop.set_exception_handlerc C s |� d�}|sd}|� d�}|d k r6t|�||jf}nd}d|kr`| jd k r`| jjr`| jj|d< |g}t|�D ]�}|dkr|qn|| }|dkr�d�t�|��}d }||� � 7 }n2|dkr�d�t�|��}d }||� � 7 }nt |�}|� |� d |� �� qnt j d �|�|d � d S )Nr� z!Unhandled exception in event looprT FZsource_tracebackZhandle_traceback> rT r� r/ z+Object created at (most recent call last): z+Handle created at (most recent call last): rX � r� )�getr@ � __traceback__r� r� �sortedr3 � traceback� format_list�rstripr r; r r� ) rh r r� rT r� Z log_linesr� �value�tbr r r �default_exception_handler{ s< ��� z'BaseEventLoop.default_exception_handlerc C s� | j d krVz| �|� W q� ttfk r2 � Y q� tk rR tjddd� Y q�X n�z| � | |� W n� ttfk r� � Y nt tk r� } zVz| �d||d�� W n: ttfk r� � Y n" tk r� tjddd� Y nX W 5 d }~X Y nX d S )Nz&Exception in default exception handlerTr� z$Unhandled error in exception handler)r� rT r zeException in default exception handler while handling an unexpected error in custom exception handler)r� r� rU rV r r r� )rh r rY r r r r� � s4 �� �z$BaseEventLoop.call_exception_handlerc C s |j r d S | j�|� d S rD )� _cancelledr� r; �rh r r r r � _add_callback� s zBaseEventLoop._add_callbackc C s | � |� | �� d S rD )r� r� r� r r r �_add_callback_signalsafe� s z&BaseEventLoop._add_callback_signalsafec C s |j r| jd7 _d S r\ )r� r� r� r r r �_timer_handle_cancelled� s z%BaseEventLoop._timer_handle_cancelledc C s� t | j�}|tkr`| j| tkr`g }| jD ] }|jr<d|_q*|�|� q*t�|� || _d| _n4| jr�| jd jr�| jd8 _t� | j�}d|_q`d }| j s�| j r�d}n*| jr�| jd j }t td|| �� �t�}| j�|�}| �|� | �� | j }| j�r:| jd }|j |k�r�q:t� | j�}d|_| j �|� q�t | j �}t|�D ]|} | j �� }|j�rf�qL| j�r�zD|| _| �� } |�� | �� | } | | jk�r�t� dt |�| � W 5 d | _X n|�� �qLd }d S )NFr r z Executing %s took %.3f seconds) r� r� � _MIN_SCHEDULED_TIMER_HANDLESr� �%_MIN_CANCELLED_TIMER_HANDLES_FRACTIONr� r; r! �heapify�heappopr� r� Z_whenrK �maxr� �MAXIMUM_SELECT_TIMEOUT� _selector�selectr� r� �range�popleftr r� Z_runr� r r� r ) rh Z sched_countZ new_scheduledr �timeoutr# r� �end_timeZntodo�ir8 r: r r r r � sj �� � zBaseEventLoop._run_oncec C sH t |�t | j�krd S |r2t�� | _t�tj� n t�| j� || _d S rD )rz r� r �#get_coroutine_origin_tracking_depthr� �#set_coroutine_origin_tracking_depthr ZDEBUG_STACK_DEPTH�rh Zenabledr r r r F s ���z,BaseEventLoop._set_coroutine_origin_trackingc C s | j S rD )r rt r r r r� U s zBaseEventLoop.get_debugc C s || _ | �� r | �| j|� d S rD )r r� r� r r� r r r r� X s zBaseEventLoop.set_debug)N)N)NNN)NN)NN)N)r )r N)N)NN)FN)r N)NN)NN)Sr r� r� rj r� rf r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r rW r� r� r� r� r r� r� r r r$ r r% r r� r) r0 r; r4 r= rG rA rC r@ rb rx ru r} r{ r| r� r� r� r% r3 rs r� r8 � AI_PASSIVEr� r� r� r� r� r r r� r� r� r� r� r� r� r� r� r r r� r� r r r r r � sF � � � � � � � & � � % � � � � /� / � � � �� w� � % � "29Nr )r r )r )6rH �collections.abc�concurrent.futuresr* rk r! rM r� r% r� r r r� r� r r� r� rc � ImportErrorr/ r r r r r r r r r r r �logr �__all__r� r� r$ r: r� �objectr� r r" r, rC rR rZ r] ZProtocolr^ ZAbstractServerr� ZAbstractEventLoopr r r r r �<module> sb ; 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