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base_events.cpython-39.opt-2.pyc
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}|d urld | _ |j dd� d S )Nz!Cannot close a running event loopzClose %rTFr ) r� rr r� r r �debugr� r� r� r� r� r �rk �executorr r r r� � s zBaseEventLoop.closec C s | j S rE )r� rw r r r r� � s zBaseEventLoop.is_closedc C s0 | � � s,|d| ��t| d� | �� s,| �� d S )Nzunclosed event loop r� )r� r� r� r� )rk �_warnr r r �__del__� s zBaseEventLoop.__del__c C s | j d uS rE )r� rw r r r r� � s zBaseEventLoop.is_runningc C s t �� S rE )r� r� rw r r r r� � s zBaseEventLoop.time)�contextc G s4 | j | �� | |g|�R d|i�}|jr0|jd= |S )Nr& r� )�call_atr� r� )rk �delay�callbackr& r� �timerr r r � call_later� s �zBaseEventLoop.call_laterc G sZ | � � | jr"| �� | �|d� t�|||| |�}|jrB|jd= t�| j |� d|_ |S )Nr' r� T) r� r � _check_thread�_check_callbackr Z TimerHandler� �heapq�heappushr� )rk �whenr) r& r� r* r r r r' � s zBaseEventLoop.call_atc G sB | � � | jr"| �� | �|d� | �|||�}|jr>|jd= |S )N� call_soonr� )r� r r, r- � _call_soonr� �rk r) r& r� r r r r r1 � s zBaseEventLoop.call_soonc C sD t �|�st �|�r$td|� d���t|�s@td|� d|����d S )Nz coroutines cannot be used with z()z"a callable object was expected by z(), got )r Z iscoroutineZiscoroutinefunctionr8 r� )rk r) �methodr r r r- � s � ���z BaseEventLoop._check_callbackc C s. t �||| |�}|jr |jd= | j�|� |S )Nr� )r �Handler� r� r< )rk r) r� r& r r r r r2 s zBaseEventLoop._call_soonc C s, | j d u rd S t�� }|| j kr(td��d S )NzMNon-thread-safe operation invoked on an event loop other than the current one)r� r r rr )rk Z thread_idr r r r, s �zBaseEventLoop._check_threadc G sB | � � | jr| �|d� | �|||�}|jr6|jd= | �� |S )Nr� r� )r� r r- r2 r� r� r3 r r r r� s z"BaseEventLoop.call_soon_threadsafec G sh | � � | jr| �|d� |d u rL| j}| �� |d u rLtjjdd�}|| _tj|j |g|�R � | d�S )N�run_in_executorZasyncio)Zthread_name_prefixr� ) r� r r- r� r� � concurrentr �ThreadPoolExecutorZ wrap_future�submit)rk r# �funcr� r r r r6 % s ��z BaseEventLoop.run_in_executorc C s& t |tjj�s t�dtd� || _d S )Nz{Using the default executor that is not an instance of ThreadPoolExecutor is deprecated and will be prohibited in Python 3.9� )r r7 r r8 r� r� �DeprecationWarningr� r" r r r �set_default_executor5 s �z"BaseEventLoop.set_default_executorc C s� |� d|��g}|r$|� 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< r r r! r� r& � getaddrinfor� �info) rk r> r? r@ rA rB �flags�msg�t0�addrinfo�dtr r r �_getaddrinfo_debug> s& z BaseEventLoop._getaddrinfo_debugr �r@ rA rB rB c � s2 | j r| j}ntj}| �d |||||||�I d H S rE )r rG r& r@ r6 )rk r> r? r@ rA rB rB Z getaddr_funcr r r r@ V s �zBaseEventLoop.getaddrinfoc � s | � d tj||�I d H S rE )r6 r& � getnameinfo)rk ZsockaddrrB r r r rI ` s �zBaseEventLoop.getnameinfo)�fallbackc � s� | j r|�� dkrtd��t|� | �||||� z| �||||�I d H W S tjyv } z|sb� W Y d }~n d }~0 0 | �||||�I d H S )Nr z the socket must be non-blocking) r � gettimeoutr' r` �_check_sendfile_params�_sock_sendfile_nativer �SendfileNotAvailableError�_sock_sendfile_fallback)rk r, �file�offset�countrJ rZ r r r � sock_sendfiled s � �zBaseEventLoop.sock_sendfilec � s t �d|�d|�d���d S )Nz-syscall sendfile is not available for socket z and file z combination�r rN �rk r, rP rQ rR r r r rM s s ��z#BaseEventLoop._sock_sendfile_nativec � s� |r|� |� |r t|tj�ntj}t|�}d}z�|rNt|| |�}|dkrNq�t|�d |� }| �d |j|�I d H } | szq�| �||d | � �I d H || 7 }q2|W |dkr�t |d�r�|� || � S n&|dk� r�t |d�� r�|� || � 0 d S )Nr �seek) rV �minr Z!SENDFILE_FALLBACK_READBUFFER_SIZE� bytearray� memoryviewr6 �readintoZ sock_sendallr% ) rk r, rP rQ rR � blocksize�buf� total_sent�view�readr r r rO z s6 �� � �z%BaseEventLoop._sock_sendfile_fallbackc C s� dt |dd�vrtd��|jtjks,td��|d urbt|t�sLtd�|���|dkrbtd�|���t|t�sztd�|���|dk r�td�|���d S )N�b�modez$file should be opened in binary modez+only SOCK_STREAM type sockets are supportedz+count must be a positive integer (got {!r})r z0offset must be a non-negative integer (got {!r})) r r' rA r& r4 r r7 r8 �formatrU r r r rL � s2 �� ����z$BaseEventLoop._check_sendfile_paramsc � sD g }|� |� |\}}}}} d } z�tj|||d�} | �d� |d ur�|D ]t\}}}}} z| �| � W q�W qH ty� } z8d| �d| j�� � �} t| j| �} |� | � W Y d } ~ qHd } ~ 0 0 qH|�� �| � | | �I d H | W S t�y } z*|� | � | d u�r | � � � W Y d } ~ n(d } ~ 0 | d u�r8| � � � Y n0 d S )N�r@ rA rB Fz*error while attempting to bind on address �: ) r< r& � setblocking�bindr* �strerror�lower�errno�pop� sock_connectr� )rk r Z addr_infoZlocal_addr_infosZ my_exceptionsr@ �type_rB �_r� r, �laddrrZ rC r r r � _connect_sock� sB ��� " zBaseEventLoop._connect_sock) r_ r@ rB rB r, � local_addrr� r� �happy_eyeballs_delay� interleavec � sz | d ur|st d��| d u r0|r0|s,t d��|} | d urD|sDt d��|d urTt|� | d urh| d u rhd} |d usz|d u�r |d ur�t d���j||f|tj||�d�I d H }|s�td��| d ur�j| |tj||�d�I d H ��s�td��nd �| r�t|| �}g � | d u �rV|D ]B}z ��� |��I d H }W �q�W n t�yN Y �qY n0 �qn.tj � ��fdd �|D �| �d �I d H \}}}|d u �r.d d � � D �� t � �dk�r�� d �nJt � d ��t �fdd �� D ���r� d �td� d�dd � � D �����n.|d u �rt d��|jtjk�r.t d|�����j|||| | d�I d H \}}�j�rr|�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@ rA rB rB r� �!getaddrinfo() returned empty listc 3 s | ]}t ��j� |��V qd S rE )� functools�partialro )rF rE )r � laddr_infosrk r r rH ! s ��z2BaseEventLoop.create_connection.<locals>.<genexpr>r� c S s g | ]}|D ]}|�q qS r r )rF �subrZ r r r r� ' r/ z3BaseEventLoop.create_connection.<locals>.<listcomp>r c 3 s | ]}t |�� kV qd S rE �r �rF rZ )�modelr r rH - r/ zMultiple exceptions: {}r? c s s | ]}t |�V qd S rE r{ r| r r r rH 2 r/ 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' r` �_ensure_resolvedr& r4 r* rS ro r Zstaggered_racer� r �allrb r rA � _create_connection_transportr �get_extra_infor r! )rk r� r> r? r_ r@ rB rB r, rp r� r� rq rr �infosrE rm rs r� r )r ry r} rk 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 n0 | |fS )NF�r� r� r� )re ri r �boolr� r� r� ) rk r, r� r_ r� r� r� r� r� r� rs r r r r� M s" �z*BaseEventLoop._create_connection_transportc � s� |� � rtd��t|dtjj�}|tjju r:td|����|tjju r�z| �||||�I d H W S tj y� } z|sv� W Y d }~n d }~0 0 |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 ) rn rr r r Z _SendfileModeZ UNSUPPORTEDZ TRY_NATIVE�_sendfile_nativer rN �_sendfile_fallback)rk rs rP rQ rR rJ ra rZ r r r �sendfileg s4 � � � ���zBaseEventLoop.sendfilec � s t �d��d S )Nz!sendfile syscall is not supportedrT )rk rl rP rQ rR r r r r� � s �z BaseEventLoop._sendfile_nativec � s| |r|� |� |r t|d�nd}t|�}d}t|�}�z |r�t|| |�}|dkr�|W |dkrvt|d�rv|� || � |�� I d H S t|�d |� } | �d |j| �I d H } | s�|W |dkr�t|d�r�|� || � |�� I d H S |� � I d H |� | d | � � || 7 }q8W |dk�r4t|d��r4|� || � |�� I d H n4|dk�rht|d��rh|� || � |�� I d H 0 d S )Ni @ r rV ) rV rW rX ra r% r� rY r6 rZ rp �write) rk rl rP rQ rR r[ r\ r] rB r^ r_ r r r r� � s@ �� �z BaseEventLoop._sendfile_fallbackr� c � s� t d u rtd��t|t j�s*td|����t|dd�sFtd|�d���| �� }tj| ||||||dd�}|� � |� |� | � |j |�} | � |j �} z|I d H W n, ty� |�� | �� | �� � Y n0 |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� )r_ rr r Z SSLContextr8 r ri r Z SSLProtocolrf rg r1 rt r � BaseExceptionr� r� Z_app_transport) rk rs r� r� r� r� r� r� Z ssl_protocolZ conmade_cbZ resume_cbr r r � start_tls� s> �� �� zBaseEventLoop.start_tls)r@ rB rB � reuse_address� reuse_port�allow_broadcastr, c � s | d ur�| 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 ur�t |t �s�t d ��qڈ �rx� d dv�rxz"t �t� � �j��r.t�� � W nF t�yD Y n4 t�yv } zt�d� |� W Y d }~n d }~0 0 ||f� �fff}n�i }d � fd�ffD ]�\}}|d u�r�t |t��r�t|�dk�s�t d��| j||tj||| d�I d H }|�s td��|D ]:\}}}}}||f}||v�r0d d g||< ||| |< �q�q�� �fdd�|�� D �}|�sjtd��g }|tu�r�|�r�td��ntjdt dd� |D ]�\\}}\}}d } d } zxtj|tj|d�} |�r�t | � | �r�| � tj tj d� | �d� � �r| �!|� ��r*| �s&| �"| |�I d H |} W n` t�yn } z(| d u�rP| �#� |�$| � W Y d } ~ n.d } ~ 0 | d u�r�| �#� � Y n0 �q��q�|d �|� } | �%� } | �&| | | | �} | j'�r� �r�t�(d � �| | � nt�)d �| | � z| I d H W n | �#� � Y n0 | | fS ) Nz A UDP Socket was expected, got )rp � remote_addrr@ rB rB r� r� r� r? c s s$ | ] \}}|r|� d |� �V qdS )�=Nr )rF �k�vr r r rH � r/ z9BaseEventLoop.create_datagram_endpoint.<locals>.<genexpr>zKsocket modifier keyword arguments can not 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(�)Fr zunexpected address family)NN�AF_UNIXzstring is expected)r � z2Unable to check or remove stale UNIX socket %r: %rr r; z2-tuple is expectedru rv c s8 g | ]0\}}� r |d du s�r,|d du s||f�qS )r Nr r )rF �keyZ addr_pair�rp 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.)� stacklevelrc z@Datagram endpoint local_addr=%r remote_addr=%r created: (%r, %r)z2Datagram endpoint remote_addr=%r created: (%r, %r))*rA r& r5 r' �dictr �itemsre r% r� r r r8 �stat�S_ISSOCK�os�st_mode�remove�FileNotFoundErrorr* r �errorr� r� r �_unsetr� r� r< r- r( r) � SO_BROADCASTrf rk r� r< ri r� r rA r! ) rk r� rp r� r@ rB rB r� r� r� r, ZoptsZproblemsZr_addrZaddr_pairs_inforR �errZ addr_infos�idxr� Zfamrm Zpror� r� r Z local_addressZremote_addressrZ r� r� rs r r� r �create_datagram_endpoint� s ��������� �� � � �� � � ���z&BaseEventLoop.create_datagram_endpointc � s^ |d d� \}}t |||||g|dd � �R � } | d ur>| gS |j||||||d�I d H S d S )Nr; rH )rD r@ ) rk r� r@ rA rB rB r� r> r? rA r r r r t s �z BaseEventLoop._ensure_resolvedc � s8 | j ||f|tj|| d�I d H }|s4td|�d���|S )N)r@ rA rB r� z getaddrinfo(z) returned empty list)r r& r4 r* )rk r> r? r@ rB r� r r r �_create_server_getaddrinfo� s � z(BaseEventLoop._create_server_getaddrinfor ) r@ rB r, r� r_ r� r� r� r� c � s� t |t�rtd��| d ur*|d u r*td��|d ur:t|� |d usL�d u�rL|d ur\td��| d u rxtjdkovtjdk} g } |dkr�d g}n$t |t �s�t |t j j �s�|g}n|}� ���fdd�|D �}t j|d �i�I d H }ttj�|��}d }�z8|D �]}|\}}}}}zt�|||�}W n6 tj�yV �j�rNtjd |||d d � Y q�Y n0 | �|� | �rz|�tjtjd � | �r�t |� t �r�|tj k�r�t td��r�|�tj tj!d � z|�"|� W q� t#�y } z(t#|j$d||j%�&� f �d �W Y d }~q�d }~0 0 q�d }W |�sJ| D ]}|�'� �q n |�sH| D ]}|�'� �q80 n4|d u �r^td��|j(tj)k�rztd|����|g} | D ]}|�*d � �q�t+�| |||| �}| �r�|�,� t �-d�I d H �j�r�t�.d|� |S )Nz*ssl argument must be an SSLContext or Noners rt �posix�cygwinr0 c s g | ]}�j |�� �d ��qS ))r@ rB )r� )rF r> �r@ rB r? rk 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 specifiedr~ r z %r is serving)/r r� r8 r' r` r� r� r �platformr rI �abc�Iterabler r �setrN rO rP r& r� r r �warningr< r( r) � SO_REUSEADDRr- r; r r% r� � IPV6_V6ONLYrf r* ri rg rh r� rA r4 re r r� r� rA )rk r� r> r? r@ rB r, r� r_ r� r� r� r� r� �hosts�fsr� Z completed�resrC �socktyperB � canonname�sar� r� r r� r � create_server� s� �� �� � ���� ��� � zBaseEventLoop.create_server)r_ r� c � s� |j tjkrtd|����|d ur.|s.td��|d ur>t|� | j|||dd|d�I d H \}}| jr~|�d�}t� d|||� ||fS )Nr~ rs r0 T)r� r� r& z%r handled: (%r, %r)) rA r& r4 r' r` r� r r� r r! )rk r� r, r_ r� rs r� r r r �connect_accepted_socket s � � z%BaseEventLoop.connect_accepted_socketc � sd |� }| � � }| �|||�}z|I d H W n |�� � Y n0 | jr\t�d|�� ||� ||fS )Nz Read pipe %r connected: (%r, %r))ri r� r� r r r! �fileno�rk r� r� r� r� rs r r r �connect_read_pipe s �z BaseEventLoop.connect_read_pipec � sd |� }| � � }| �|||�}z|I d H W n |�� � Y n0 | jr\t�d|�� ||� ||fS )Nz!Write pipe %r connected: (%r, %r))ri r� r� r r r! r� r� r r r �connect_write_pipe0 s �z BaseEventLoop.connect_write_pipec C s� |g}|d ur"|� dt|�� �� |d urJ|tjkrJ|� dt|�� �� n8|d urf|� dt|�� �� |d ur�|� dt|�� �� t�d�|�� d S )Nzstdin=zstdout=stderr=zstdout=zstderr=� )r< r# r r! r r! r )rk rC r� r� r� rA 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 urZtd��| d urjtd��|� } d }| jr�d | }| �||||� | j| |d ||||fi | ��I d H }| jr�|d ur�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 r6 r r' r r� r� r rA )rk r� �cmdr� r� r� r� r� r� r� r� r� r� r� � debug_logrs r r r �subprocess_shellM s6 �� z BaseEventLoop.subprocess_shellc � s� |r t d��|rt d��|dkr(t d��| r4t d��| d urDt d��| d urTt d��|f| }|� }d }| jr�d|��}| �||||� | j||d ||||fi | ��I d H }| jr�|d ur�t�d ||� ||fS ) Nr� zshell must be Falser r� r� r� r� zexecute program Fr� )r' r r� r� r rA )rk r� Zprogramr� r� r� r� r� r� r� r� r� r� r� Z popen_argsr� r� rs r r r �subprocess_execq s6 �� z BaseEventLoop.subprocess_execc C s | j S rE )r� rw r r r �get_exception_handler� s z#BaseEventLoop.get_exception_handlerc C s( |d ur t |�s td|����|| _d S )Nz+A callable object or None is expected, got )r� r8 r� )rk �handlerr r r �set_exception_handler� s �z#BaseEventLoop.set_exception_handlerc C s |� d�}|sd}|� d�}|d ur6t|�||jf}nd}d|vr`| jd ur`| jjr`| jj|d< |g}t|�D ]�}|dv r|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 looprU FZsource_tracebackZhandle_traceback> r� rU r0 z+Object created at (most recent call last): z+Handle created at (most recent call last): rd � r� )�getrA � __traceback__r� r� �sortedr � traceback� format_list�rstripr r< r r� ) rk r& r� rU r� Z log_linesr� �value�tbr r r �default_exception_handler� s< ��� z'BaseEventLoop.default_exception_handlerc C s� | j d u rRz| �|� W q� ttfy0 � Y q� tyN tjddd� Y q�0 n�z| � | |� W n� ttfyz � Y nr ty� } zZz| �d||d�� W n6 ttfy� � Y n ty� tjddd� Y n0 W Y d }~n d }~0 0 d S )Nz&Exception in default exception handlerTr� z$Unhandled error in exception handler)r� rU r& zeException in default exception handler while handling an unexpected error in custom exception handler)r� r� rV rW r� r r� )rk r& rZ r r r r � s4 �� �z$BaseEventLoop.call_exception_handlerc C s |j r d S | j�|� d S rE )� _cancelledr� r< �rk r r r r � _add_callback s zBaseEventLoop._add_callbackc C s | � |� | �� d S rE )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�zJ|| _| �� } |�� | �� | } | | jk�r�t� dt |�| � W d | _nd | _0 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_whenrW �maxr� �MAXIMUM_SELECT_TIMEOUT� _selector�selectr� r� �range�popleftr r� Z_runr� r r� r ) rk Z sched_countZ new_scheduledr �timeoutr0 r� �end_timeZntodo�irD rF r r r r & sh �� � zBaseEventLoop._run_oncec C sH t |�t | j�krd S |r2t�� | _t�tj� n t�| j� || _d S rE )r� r� r �#get_coroutine_origin_tracking_depthr� �#set_coroutine_origin_tracking_depthr ZDEBUG_STACK_DEPTH�rk Zenabledr r r r t s ���z,BaseEventLoop._set_coroutine_origin_trackingc C s | j S rE )r rw r r r r� � s zBaseEventLoop.get_debugc C s || _ | �� r | �| j|� d S rE )r r� r� r r� r r r r� � s zBaseEventLoop.set_debug)N)N)NNN)NN)NN)N)r )r N)N)NN)FN)r N)NN)NN)Vr� r� r� rm r� ri r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r r rX r� r� r� r� r% r� r� r+ r' r1 r- r2 r, r� r6 r= rG r@ rI rS rM rO rL ro r� r� r� r� r� r� r� r� r& r4 r r� r9 � 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 � s � �� � � � � & � � % �� � � /� / �� � �� z� � %� "29Nr )r r )r )7rI �collections.abc�concurrent.futuresr7 rw r. rN r� r& r� r r r� r� r r� r� r_ � ImportErrorr0 r r r r r r r r r r r �logr �__all__r� r� r% r; r� �objectr� r r# r- rD rS r[ r^ r` �Protocolra ZAbstractServerr ZAbstractEventLoopr r r r r �<module> sd ; Do
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