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python35
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python3.5
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Editing: connection.cpython-35.pyc
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Z@ n e> jA Z@ d dE d � Z= e j d k r dF dG � ZB dH dI � ZC e jD e% eB � dJ dK � ZE dL dM � ZF e jD e$ eE � n( dN dG � ZB dO dI � ZC e jD e% eB � d S)P�Client�Listener�Pipe�wait� N� )� reduction)�util)�AuthenticationError�BufferTooShort)�ForkingPickler)� WAIT_OBJECT_0�WAIT_ABANDONED_0� WAIT_TIMEOUT�INFINITE�win32i g 4@�AF_INET�AF_UNIX�AF_PIPEc C s t j � | S)N)�time)�timeout� r �?/opt/alt/python35/lib64/python3.5/multiprocessing/connection.py� _init_timeout; s r c C s t j � | k S)N)r )�tr r r �_check_timeout> s r c C s� | d k r d S| d k r8 t j d d d t j � � S| d k rp t j d d t j � t t � f d d � St d � � d S)z? Return an arbitrary free address for the given family r � localhostr r �prefixz listener-�dirr z\\.\pipe\pyc-%d-%d-� zunrecognized familyN)r r ) �tempfileZmktempr Z get_temp_dir�os�getpid�next� _mmap_counter� ValueError)�familyr r r �arbitrary_addressE s r& c C si t j d k r+ | d k r+ t d | � � t j d k re | d k re t t | � se t d | � � d S)zD Checks if the family is valid for the current environment. r r z Family %s is not recognized.r N)�sys�platformr$ �hasattr�socket)r% r r r �_validate_familyS s r+ c C se t | � t k r d St | � t k r; | j d � r; d St | � t k rQ d St d | � � d S)z] Return the types of the address This can be 'AF_INET', 'AF_UNIX', or 'AF_PIPE' r z\\r r z address type of %r unrecognizedN)�type�tuple�str� startswithr$ )�addressr r r � address_type_ s !r1 c @ s! e Z d Z d Z d d d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z e d d � � Z e d d � � Z e d d � � Z d d � Z d d � Z d d d d � Z d d � Z d d d � Z d d d! � Z d" d# � Z d$ d% d& � Z d' d( � Z d) d* � Z d S)+�_ConnectionBaseNTc C s] | j � } | d k r$ t d � � | r> | r> t d � � | | _ | | _ | | _ d S)Nr zinvalid handlez6at least one of `readable` and `writable` must be True)� __index__r$ �_handle� _readable� _writable)�self�handle�readable�writabler r r �__init__u s z_ConnectionBase.__init__c C s | j d k r | j � d S)N)r4 �_close)r7 r r r �__del__� s z_ConnectionBase.__del__c C s | j d k r t d � � d S)Nzhandle is closed)r4 �OSError)r7 r r r � _check_closed� s z _ConnectionBase._check_closedc C s | j s t d � � d S)Nzconnection is write-only)r5 r> )r7 r r r �_check_readable� s z _ConnectionBase._check_readablec C s | j s t d � � d S)Nzconnection is read-only)r6 r> )r7 r r r �_check_writable� s z _ConnectionBase._check_writablec C s/ | j r d | _ n | j � t d � � d S)NFzbad message length)r6 r5 �closer> )r7 r r r �_bad_message_length� s z#_ConnectionBase._bad_message_lengthc C s | j d k S)z True if the connection is closedN)r4 )r7 r r r �closed� s z_ConnectionBase.closedc C s | j S)z"True if the connection is readable)r5 )r7 r r r r9 � s z_ConnectionBase.readablec C s | j S)z"True if the connection is writable)r6 )r7 r r r r: � s z_ConnectionBase.writablec C s | j � | j S)z+File descriptor or handle of the connection)r? r4 )r7 r r r �fileno� s z_ConnectionBase.filenoc C s. | j d k r* z | j � Wd d | _ Xd S)zClose the connectionN)r4 r< )r7 r r r rB � s z_ConnectionBase.closer c C s� | j � | j � t | � } | j d k rA t t | � � } t | � } | d k re t d � � | | k r} t d � � | d k r� | | } n7 | d k r� t d � � n | | | k r� t d � � | j | | | | � � d S)z,Send the bytes data from a bytes-like objectr r zoffset is negativezbuffer length < offsetNzsize is negativez buffer length < offset + size)r? rA � memoryview�itemsize�bytes�lenr$ � _send_bytes)r7 �buf�offset�size�m�nr r r � send_bytes� s" z_ConnectionBase.send_bytesc C s. | j � | j � | j t j | � � d S)zSend a (picklable) objectN)r? rA rJ r �dumps)r7 �objr r r �send� s z_ConnectionBase.sendc C sg | j � | j � | d k r8 | d k r8 t d � � | j | � } | d k r] | j � | j � S)z7 Receive bytes data as a bytes object. Nr znegative maxlength)r? r@ r$ � _recv_bytesrC �getvalue)r7 Z maxlengthrK r r r � recv_bytes� s z_ConnectionBase.recv_bytesc C s� | j � | j � t | � �� } | j } | t | � } | d k rW t d � � n | | k ro t d � � | j � } | j � } | | | k r� t | j � � � | j d � | j | | | | | | � � | SWd QRXd S)zq Receive bytes data into a writeable bytes-like object. Return the number of bytes read. r znegative offsetzoffset too largeN) r? r@ rF rG rI r$ rT �tellr rU �seek�readinto)r7 rK rL rN rG Zbytesize�resultrM r r r �recv_bytes_into� s" z _ConnectionBase.recv_bytes_intoc C s3 | j � | j � | j � } t j | j � � S)z Receive a (picklable) object)r? r@ rT r �loads� getbuffer)r7 rK r r r �recv� s z_ConnectionBase.recvg c C s! | j � | j � | j | � S)z/Whether there is any input available to be read)r? r@ �_poll)r7 r r r r �poll� s z_ConnectionBase.pollc C s | S)Nr )r7 r r r � __enter__ s z_ConnectionBase.__enter__c C s | j � d S)N)rB )r7 �exc_type� exc_value�exc_tbr r r �__exit__ s z_ConnectionBase.__exit__)�__name__� __module__� __qualname__r4 r; r= r? r@ rA rC �propertyrD r9 r: rE rB rP rS rV r[ r^ r` ra re r r r r r2 r s( r2 c @ sa e Z d Z d Z d Z e j d d � Z d d � Z d d d � Z d d � Z d d � Z d S)�PipeConnectionz� Connection class based on a Windows named pipe. Overlapped I/O is used, so the handles must have been created with FILE_FLAG_OVERLAPPED. Fc C s | | j � d S)N)r4 )r7 Z _CloseHandler r r r< s zPipeConnection._closec C s� t j | j | d d �\ } } z\ y@ | t j k rc t j | j g d t � } | t k sc t � Wn | j � � Yn XWd | j d � \ } } X| d k s� t � | t | � k s� t � d S)N� overlappedTFr ) �_winapiZ WriteFiler4 �ERROR_IO_PENDING�WaitForMultipleObjects�eventr r �AssertionError�cancel�GetOverlappedResultrI )r7 rK �ov�err�waitresZnwrittenr r r rJ s ! zPipeConnection._send_bytesNc C s{ | j r d | _ t j � S| d k r. d n t | d � } y� t j | j | d d �\ } } z\ y@ | t j k r� t j | j g d t � } | t k s� t � Wn | j � � Yn XWd | j d � \ } } | d k rt j � } | j | j � � | S| t j k r#| j | | � SXWnC t k rj} z# | j t j k rUt � n � WYd d } ~ Xn Xt d � � d S)NF� rk Tr z.shouldn't get here; expected KeyboardInterrupt)�_got_empty_message�io�BytesIO�minrl �ReadFiler4 rm rn ro r r rp rq rr �writer] ZERROR_MORE_DATA�_get_more_datar> �winerror�ERROR_BROKEN_PIPE�EOFError� RuntimeError) r7 �maxsizeZbsizers rt ru Znread�f�er r r rT & s6 ! zPipeConnection._recv_bytesc C s? | j s% t j | j � d d k r) d St t | g | � � S)Nr T)rw rl � PeekNamedPiper4 �boolr )r7 r r r r r_ F s zPipeConnection._pollc C s� | j � } t j � } | j | � t j | j � d } | d k sM t � | d k ry t | � | | k ry | j � t j | j | d d �\ } } | j d � \ } } | d k s� t � | | k s� t � | j | j � � | S)Nr r rk T) r] rx ry r| rl r� r4 rp rI rC r{ rr )r7 rs r� rK r� �leftrt Zrbytesr r r r} L s " !z PipeConnection._get_more_data) rf rg rh �__doc__rw rl � CloseHandler< rJ rT r_ r} r r r r rj s rj c @ s� e Z d Z d Z e r? e j d d � Z e j Z e j Z n$ e j d d � Z e j Z e j Z e d d � Z e d d � Z d d � Z d d d � Z d d � Z d S)� Connectionzo Connection class based on an arbitrary file descriptor (Unix only), or a socket handle (Windows). c C s | | j � d S)N)r4 )r7 r< r r r r< c s zConnection._closec C s | | j � d S)N)r4 )r7 r< r r r r< h s c C sP t | � } x= | | j | � } | | 8} | d k r8 P| | d � } q Wd S)Nr )rI r4 )r7 rK r| � remainingrO r r r �_sendm s zConnection._sendc C s� t j � } | j } | } xo | d k r� | | | � } t | � } | d k rr | | k rf t � n t d � � | j | � | | 8} q W| S)Nr z got end of file during message)rx ry r4 rI r� r> r| )r7 rM �readrK r8 r� �chunkrO r r r �_recvv s zConnection._recvc C s\ t | � } t j d | � } | d k rG | j | � | j | � n | j | | � d S)Nz!ii @ )rI �structZpackr� )r7 rK rO �headerr r r rJ � s zConnection._send_bytesNc C sS | j d � } t j d | j � � \ } | d k rF | | k rF d S| j | � S)N� z!i)r� r� ZunpackrU )r7 r� rK rM r r r rT � s zConnection._recv_bytesc C s t | g | � } t | � S)N)r r� )r7 r �rr r r r_ � s zConnection._poll)rf rg rh r� rl �_multiprocessingZ closesocketr< rS Z_writer^ Z_readr rB r| r� r� r� rJ rT r_ r r r r r� \ s r� c @ s� e Z d Z d Z d d d d d d � Z d d � Z d d � Z e d d � � Z e d d � � Z d d � Z d d � Z d S)r z� Returns a listener object. This is a wrapper for a bound socket which is 'listening' for connections, or for a Windows named pipe. Nr c C s� | p | r t | � p t } | p- t | � } t | � | d k r[ t | | � | _ n t | | | � | _ | d k r� t | t � r� t d � � | | _ d S)Nr z authkey should be a byte string) r1 �default_familyr& r+ � PipeListener� _listener�SocketListener� isinstancerH � TypeError�_authkey)r7 r0 r% �backlog�authkeyr r r r; � s zListener.__init__c C sW | j d k r t d � � | j j � } | j rS t | | j � t | | j � | S)zz Accept a connection on the bound socket or named pipe of `self`. Returns a `Connection` object. Nzlistener is closed)r� r> �acceptr� �deliver_challenge�answer_challenge)r7 �cr r r r� � s zListener.acceptc C s, | j } | d k r( d | _ | j � d S)zA Close the bound socket or named pipe of `self`. N)r� rB )r7 Zlistenerr r r rB � s zListener.closec C s | j j S)N)r� �_address)r7 r r r �<lambda>� s zListener.<lambda>c C s | j j S)N)r� �_last_accepted)r7 r r r r� � s c C s | S)Nr )r7 r r r ra � s zListener.__enter__c C s | j � d S)N)rB )r7 rb rc rd r r r re � s zListener.__exit__) rf rg rh r� r; r� rB ri r0 Z last_acceptedra re r r r r r � s c C s� | p t | � } t | � | d k r7 t | � } n t | � } | d k rk t | t � rk t d � � | d k r� t | | � t | | � | S)z= Returns a connection to the address of a `Listener` r Nz authkey should be a byte string) r1 r+ � PipeClient� SocketClientr� rH r� r� r� )r0 r% r� r� r r r r � s Tc C s� | rY t j � \ } } | j d � | j d � t | j � � } t | j � � } n6 t j � \ } } t | d d �} t | d d �} | | f S)zL Returns pair of connection objects at either end of a pipe Tr: Fr9 )r* Z socketpair� setblockingr� �detachr �pipe)�duplex�s1�s2�c1�c2Zfd1Zfd2r r r r � s c C sS t d � } | r; t j } t j t j B} t t } } n t j } t j } d t } } t j | | t j Bt j Bt j t j Bt j Bd | | t j t j � } t j | | d t j t j t j t j � } t j | t j d d � t j | d d �} | j d � \ } } | d k s%t � t | d | �} t | d | �} | | f S) zL Returns pair of connection objects at either end of a pipe r r r Nrk Tr: r9 )r& rl �PIPE_ACCESS_DUPLEX� GENERIC_READ� GENERIC_WRITE�BUFSIZEZPIPE_ACCESS_INBOUND�CreateNamedPipe�FILE_FLAG_OVERLAPPED� FILE_FLAG_FIRST_PIPE_INSTANCE�PIPE_TYPE_MESSAGE�PIPE_READMODE_MESSAGE� PIPE_WAIT�NMPWAIT_WAIT_FOREVER�NULL� CreateFile� OPEN_EXISTING�SetNamedPipeHandleState�ConnectNamedPiperr rp rj ) r� r0 Zopenmode�accessZobsizeZibsizeZh1Zh2rk �_rt r� r� r r r r s4 c @ s= e Z d Z d Z d d d � Z d d � Z d d � Z d S) r� zO Representation of a socket which is bound to an address and listening r c C s t j t t | � � | _ yq t j d k rI | j j t j t j d � | j j d � | j j | � | j j | � | j j � | _ Wn" t k r� | j j � � Yn X| | _ d | _ | d k r� t j | t j d | f d d �| _ n d | _ d S)N�posixr Tr �args� exitpriorityr )r* �getattr�_socketr �nameZ setsockoptZ SOL_SOCKETZ SO_REUSEADDRr� ZbindZlistenZ getsocknamer� r> rB Z_familyr� r �Finalize�unlink�_unlink)r7 r0 r% r� r r r r; 8 s$ $zSocketListener.__init__c C s5 | j j � \ } | _ | j d � t | j � � S)NT)r� r� r� r� r� r� )r7 �sr r r r� P s zSocketListener.acceptc C s> z | j j � Wd | j } | d k r9 d | _ | � Xd S)N)r� rB r� )r7 r� r r r rB U s zSocketListener.closeN)rf rg rh r� r; r� rB r r r r r� 4 s r� c C s\ t | � } t j t t | � � �1 } | j d � | j | � t | j � � SWd QRXd S)zO Return a connection object connected to the socket given by `address` TN)r1 r* r� r� Zconnectr� r� )r0 r% r� r r r r� _ s r� c @ sR e Z d Z d Z d d d � Z d d d � Z d d � Z e d d � � Z d S) r� z0 Representation of a named pipe Nc C sq | | _ | j d d � g | _ d | _ t j d | j � t j | t j d | j | j f d d �| _ d S)N�firstTz listener created with address=%rr� r� r ) r� � _new_handle� _handle_queuer� r � sub_debugr� r� �_finalize_pipe_listenerrB )r7 r0 r� r r r r; s s zPipeListener.__init__Fc C sb t j t j B} | r# | t j O} t j | j | t j t j Bt j Bt j t t t j t j � S)N) rl r� r� r� r� r� r� r� r� ZPIPE_UNLIMITED_INSTANCESr� r� r� )r7 r� �flagsr r r r� ~ s zPipeListener._new_handlec C s� | j j | j � � | j j d � } y t j | d d �} Wn: t k r} } z | j t j k rk � WYd d } ~ Xnt XzH y t j | j g d t � } Wn" | j � t j | � � Yn XWd | j d � \ } } | d k s� t � Xt | � S)Nr rk TF)r� �appendr� �poprl r� r> r~ Z ERROR_NO_DATArn ro r rq r� rr rp rj )r7 r8 rs r� �resr� rt r r r r� � s" zPipeListener.acceptc C s2 t j d | � x | D] } t j | � q Wd S)Nz closing listener with address=%r)r r� rl r� )Zqueuer0 r8 r r r r� � s z$PipeListener._finalize_pipe_listener) rf rg rh r� r; r� r� � staticmethodr� r r r r r� o s r� c C s� t � } x� yK t j | d � t j | t j t j Bd t j t j t j t j � } WnO t k r� } z/ | j t j t j f k s� t | � r� � WYd d } ~ Xq XPq W� t j | t j d d � t | � S)zU Return a connection object connected to the pipe given by `address` i� r N)r rl Z WaitNamedPiper� r� r� r� r� r� r> r~ ZERROR_SEM_TIMEOUTZERROR_PIPE_BUSYr r� r� rj )r0 r �hr� r r r r� � s" r� � s #CHALLENGE#s #WELCOME#s #FAILURE#c C s� d d l } t | t � s! t � t j t � } | j t | � | j | | d � j � } | j d � } | | k r� | j t � n | j t � t d � � d S)Nr �md5� zdigest received was wrong)�hmacr� rH rp r �urandom�MESSAGE_LENGTHrP � CHALLENGE�new�digestrV �WELCOME�FAILUREr )� connectionr� r� �messager� �responser r r r� � s r� c C s� d d l } t | t � s! t � | j d � } | d t t � � t k s\ t d | � � | t t � d � } | j | | d � j � } | j | � | j d � } | t k r� t d � � d S)Nr r� z message = %rr� zdigest sent was rejected) r� r� rH rp rV rI r� r� r� rP r� r )r� r� r� r� r� r� r r r r� � s , r� c @ s4 e Z d Z d d � Z d d � Z d d � Z d S)�ConnectionWrapperc C sO | | _ | | _ | | _ x- d D]% } t | | � } t | | | � q" Wd S)NrE rB r` rV rP )rE rB r` rV rP )�_conn�_dumps�_loadsr� �setattr)r7 �connrQ r\ �attrrR r r r r; � s zConnectionWrapper.__init__c C s# | j | � } | j j | � d S)N)r� r� rP )r7 rR r� r r r rS � s zConnectionWrapper.sendc C s | j j � } | j | � S)N)r� rV r� )r7 r� r r r r^ � s zConnectionWrapper.recvN)rf rg rh r; rS r^ r r r r r� � s r� c C s% t j | f d d d d � j d � S)Nr zutf-8)� xmlrpclibrQ �encode)rR r r r � _xml_dumps� s r� c C s% t j | j d � � \ \ } } | S)Nzutf-8)r� r\ �decode)r� rR �methodr r r � _xml_loads� s !r� c @ s e Z d Z d d � Z d S)� XmlListenerc C s. d d l j a t j | � } t | t t � S)Nr )� xmlrpc.client�clientr� r r� r� r� r� )r7 rR r r r r� s zXmlListener.acceptN)rf rg rh r� r r r r r� � s r� c O s( d d l j a t t | | � t t � S)Nr )r� r� r� r� r r� r� )r� �kwdsr r r � XmlClient s r� c C s� t | � } g } x� | r� t j | d | � } | t k r@ Pnr t | k oa t t | � k n rs | t 8} n? t | k o� t t | � k n r� | t 8} n t d � � | j | | � | | d d � } d } q W| S)NFzShould not get herer r ) �listrl rn r r rI r r� r� )Zhandlesr �L�readyr� r r r �_exhaustive_wait s & & r� c . s | d k r t } n) | d k r* d } n t | d d � } t | � } i � g } t � � t � } z�xy| D]q} y t | d � } Wn" t k r� | � | j � <Yqr Xy" t j | � d d � \ } } WnD t k r} z$ d | j } } | t k r� WYd d } ~ Xn X| t j k rE| j | � | � | j <qr | r�t j � d d � d k r�y | j d � \ } } Wn. t k r�} z | j } WYd d } ~ Xn X| r�t | d � r�d | _ � j | � d } qr Wt � j � | � } Wd x | D] } | j � qWx� | D]� } y | j d � \ } } Wn= t k r�} z | j } | t k rn� WYd d } ~ Xn X| t j k r"� | j } � j | � | d k r"t | d � r"d | _ q"WX� j � f d d � | D� � � f d d � | D� S)z� Wait till an object in object_list is ready/readable. Returns list of those objects in object_list which are ready/readable. Nr i� g �?rE T� � Frw c 3 s | ] } � | Vq d S)Nr )�.0r� )�waithandle_to_objr r � <genexpr>r s zwait.<locals>.<genexpr>c s" g | ] } | � k r | � q Sr r )r� �o)� ready_objectsr r � <listcomp>s s zwait.<locals>.<listcomp>)r� r� )r �intr� �setr� �AttributeErrorr3 rl r{ r> r~ � _ready_errorsrm r� ro r' Zgetwindowsversionrr r) rw �addr� �keysrq ZERROR_OPERATION_ABORTED�update) � object_listr Zov_listZ ready_handlesr� rE rs rt r� r� r )r r� r r ' sh " " � PollSelectorc C s� t � �� } x! | D] } | j | t j � q W| d k rL t j � | } xV | j | � } | ru d d � | D� S| d k rO | t j � } | d k rO | SqO WWd QRXd S)z� Wait till an object in object_list is ready/readable. Returns list of those objects in object_list which are ready/readable. Nc S s g | ] \ } } | j � q Sr )Zfileobj)r� �keyZeventsr r r r � s zwait.<locals>.<listcomp>r )� _WaitSelector�register� selectorsZ EVENT_READr Zselect)r r ZselectorrR Zdeadliner� r r r r � s c C sm | j � } t j | t j t j � �? } d d l m } | j | � } t | | j | j f f SWd QRXd S)Nr )�resource_sharer) rE r* Zfromfdr Z SOCK_STREAMr r Z DupSocket�rebuild_connectionr9 r: )r� r8 r� r �dsr r r �reduce_connection� s r c C s" | j � } t | j � | | � S)N)r� r� )r r9 r: Zsockr r r r � s r c C s_ | j r t j n d | j r' t j n d B} t j | j � | � } t | | j | j f f S)Nr ) r9 rl ZFILE_GENERIC_READr: ZFILE_GENERIC_WRITEr Z DupHandlerE �rebuild_pipe_connection)r� r� �dhr r r �reduce_pipe_connection� s r c C s | j � } t | | | � S)N)r� rj )r r9 r: r8 r r r r � s r c C s. t j | j � � } t | | j | j f f S)N)r ZDupFdrE r r9 r: )r� �dfr r r r � s c C s | j � } t | | | � S)N)r� r� )r r9 r: �fdr r r r � s )G�__all__rx r r' r* r� r r � itertoolsr� r r r r r r rl r r r r � ImportErrorr( r� ZCONNECTION_TIMEOUT�countr# r� Zfamiliesr) r r r& r+ r1 r2 rj r� �objectr r r r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r ZERROR_NETNAME_DELETEDr r r r r ZSelectSelectorr r r r r r r r r �<module> s� & �PJ8,+ 8 P
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