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/home/cluster1/data/bu01/1121861/html/TMAT/Python24/Lib/idlelib/rpc.pyc
m ,@c @ s d Z d k Z d k Z d k Z d k Z d k Z d k Z d k Z d k Z d k Z d k Z d k Z d k Z d k Z d Z d Z e i e i e e d d Z d Z d e i f d YZ h Z e i d Z e i d Z d f d YZ d f d YZ d Z d f d YZ d e i e f d YZ d e f d YZ d f d YZ d Z! d Z" d f d YZ# d S( s RPC Implemention, originally written for the Python Idle IDE For security reasons, GvR requested that Idle's Python execution server process connect to the Idle process, which listens for the connection. Since Idle has has only one client per server, this was not a limitation. +---------------------------------+ +-------------+ | SocketServer.BaseRequestHandler | | SocketIO | +---------------------------------+ +-------------+ ^ | register() | | | unregister()| | +-------------+ | ^ ^ | | | | + -------------------+ | | | | +-------------------------+ +-----------------+ | RPCHandler | | RPCClient | | [attribute of RPCServer]| | | +-------------------------+ +-----------------+ The RPCServer handler class is expected to provide register/unregister methods. RPCHandler inherits the mix-in class SocketIO, which provides these methods. See the Idle run.main() docstring for further information on how this was accomplished in Idle. Nc C s- t i | } t | t i p t | S( N( t marshalt loadst mst cot isinstancet typest CodeTypet AssertionError( R R ( ( t C:\Python24\lib\idlelib\rpc.pyt unpickle_code- s c C s6 t | t i p t t i | } t | f f S( N( R R R R R R t dumpsR R ( R R ( ( R t pickle_code2 s i i s 127.0.0.1t RPCServerc B s8 t Z d d Z d Z d Z d Z d Z RS( Nc C s1 | d j o t } n t i i | | | d S( N( t handlerclasst Nonet RPCHandlert SocketServert TCPServert __init__t selft addr( R R R ( ( R R G s c C s d S( s@ Override TCPServer method, no bind() phase for connecting entityN( ( R ( ( R t server_bindL s c C s | i i | i d S( s Override TCPServer method, connect() instead of listen() Due to the reversed connection, self.server_address is actually the address of the Idle Client to which we are connecting. N( R t sockett connectt server_address( R ( ( R t server_activateP s c C s | i | i f S( s: Override TCPServer method, return already connected socketN( R R R ( R ( ( R t get_requestY s c C s y Wn t j o n t i } | d d d IJ| d IJ| d t i i IJ| d I| IJ| d It | IJt i d | | d IJ| d d IJt i d n Xd S( s Override TCPServer method Error message goes to __stderr__. No error message if exiting normally or socket raised EOF. Other exceptions not handled in server code will cause os._exit. s t -i( s Unhandled server exception!s Thread: %ss Client Address: s Request: t files# *** Unrecoverable, server exiting!i N( t SystemExitt syst __stderr__t erft threadingt currentThreadt getNamet client_addresst reprt requestt tracebackt print_exct ost _exit( R R& R$ R ( ( R t handle_error] s ( t __name__t __module__R R R R R R+ ( ( ( R R E s i t SocketIOc B s t Z d Z d d d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z! RS( Ni c C sh t i | _ | d j o | | _ n | | _ | d j o t } n | | _ h | _ h | _ d S( N( R! R" R t sockthreadt debuggingR t sockt objtablet objecttablet responsest cvars( R R1 R2 R0 ( ( R R s c C s1 | i } d | _ | d j o | i n d S( N( R R1 R t close( R R1 ( ( R R6 s c C s t i d S( s! override for specific exit actionN( R) R* ( R ( ( R t exithook s c G sk | i p d Sn | i d t t i i } x" | D] } | d t | } q< Wt i | IJd S( Nt ( R R0 t locationt strR! R" R# t st argst aR R ( R R< R= R; ( ( R t debug s # c C s | | i | <d S( N( t objectR R2 t oid( R R@ R? ( ( R t register s c C s( y | i | =Wn t j o n Xd S( N( R R2 R@ t KeyError( R R@ ( ( R t unregister s c C s | i d | y | \ } \ } } } } Wn t j o d Sn X| i i | p d d | f f Sn | i | } | d j o! h } t | | d | f Sn | d j o! h } t | | d | f Sn t | | p d d | f f Sn t | | } y | d j o= | | | } t | t o t | } n d | f Sn@ | d j o$ t i | | | | f f d Sn d d | f SWnX t j o nD t i j o n, | i d t i d t i! d Sn Xd S( Ns localcall:t ERRORs Bad request formats Unknown object id: %rt __methods__t OKt __attributes__s Unsupported method name: %rt CALLt QUEUEt QUEUEDs Unsupported message type: %ss localcall:EXCEPTIONR t EXCEPTION( s ERRORs Bad request format( RJ N( s EXCEPTIONN(" R R> R& t howR@ t methodnameR< t kwargst TypeErrorR2 t has_keyt objt methodst _getmethodst attributest _getattributest hasattrt getattrt methodt retR t RemoteObjectt remotereft request_queuet putt seqR R R t errorR' R( R R ( R R^ R& RR RY RL RN RX R@ R< RM RQ RT ( ( R t localcall sJ c C s8 | i d | | | i | | | | } | i | S( Ns remotecall:asynccall: ( R R> R@ RM t asynccallR< RN R^ t asyncreturn( R R@ RM R< RN R^ ( ( R t remotecall s c C s8 | i d | | | i | | | | } | i | S( Ns remotequeue:asyncqueue: ( R R> R@ RM t asyncqueueR< RN R^ Rb ( R R@ RM R< RN R^ ( ( R t remotequeue s c C s d | | | | f f } | i } t i | i j o t i } | | i | <n | i d | | | | | | i | | f | S( NRH s asynccall:%d:( R@ RM R< RN R& R t newseqR^ R! R" R/ t Conditiont cvarR5 R> t putmessage( R R@ RM R< RN Rh R^ R& ( ( R Ra s c C s d | | | | f f } | i } t i | i j o t i } | | i | <n | i d | | | | | | i | | f | S( NRI s asyncqueue:%d:( R@ RM R< RN R& R Rf R^ R! R" R/ Rg Rh R5 R> Ri ( R R@ RM R< RN Rh R^ R& ( ( R Rd s c C sG | i d | | i | d d } | i d | | | i | S( Ns# asyncreturn:%d:call getresponse(): t waitf0.050000000000000003s asyncreturn:%d:response: ( R R> R^ t getresponset responset decoderesponse( R R^ Rl ( ( R Rb s c C s | \ } } | d j o | Sn | d j o d Sn | d j o | i d d Sn | d j o | i d | i d Sn | d j o | i d | t | n t | | f d S( NRF RJ RK s decoderesponse: EXCEPTIONt EOFs decoderesponse: EOFRD s decoderesponse: Internal ERROR:( Rl RL t whatR R R> t decode_interrupthookt RuntimeErrort SystemError( R Rl Ro RL ( ( R Rm s c C s t d S( t N( t EOFError( R ( ( R Rp s c C sE y | i d d d d Wn$ t j o | i d d Sn Xd S( s Listen on socket until I/O not ready or EOF pollresponse() will loop looking for seq number None, which never comes, and exit on EOFError. t myseqRj f0.050000000000000003s mainloop:returnN( R Rk R Rt R> ( R ( ( R t mainloop s c C sY | i | | } | d j o6 | \ } } | d j o | | i | f } qU n | S( NRF ( R t _getresponseRu Rj Rl R RL Ro t _proxify( R Ru Rj Ro RL Rl ( ( R Rk s c C sO t | t o t | | i Sn t | t i o t | i | Sn | S( N( R RQ t RemoteProxyt RPCProxyR R@ R t ListTypet mapRx ( R RQ ( ( R Rx s c C s | i d | t i | i j o3 x | i | | } | d j o | Sq) q) Wn | i | } | i x" | i i | p | i qs W| i | } | i d | | f | i | =| i | =| i | Sd S( Ns _getresponse:myseq:i s- _getresponse:%s: thread woke up: response: %s( R R> Ru R! R" R/ t pollresponseRj Rl R R5 Rh t acquireR4 RP t release( R Ru Rj Rh Rl ( ( R Rw % s$ c C s | i d | _ } | S( Ni ( R t nextseqR^ ( R R^ ( ( R Rf ; s c C s | i d | d y t i | } Wn2 t i j o# t i d It | IJ n Xt i d t | | } x t | d j oq y> t i g | i g g \ } } } | i i | t } Wn" t t i f j o t q| X| | } q| Wd S( Ns putmessage:%d:i s Cannot pickle:s <i( R R> t messaget pickleR R; t PicklingErrorR R R% t structt packt lent selectR1 t rt wt xt sendt BUFSIZEt nt AttributeErrorR R_ t IOError( R R R R; R R R ( ( R Ri ? s $ Rs i c C s | i t | i | i j o t i | i i g g g | \ } } } t | d j o d Sn y | i i t } Wn t i j o t n Xt | d j o t n | i | 7_ | i n | i S( Ni ( R t _stage0R t buffert bufneedR R1 t filenoRj R R R R t recvR R; R R_ Rt t _stage1( R Rj R; R R R ( ( R t pollpacketU s - c C sm | i d j oY t | i d j oC | i d } | i d | _ t i d | d | _ d | _ n d S( Ni i s <ii ( R t bufstateR R R; R t unpackR ( R R; ( ( R R e s & c C sj | i d j oV t | i | i j o= | i | i } | i | i | _ d | _ d | _ | Sn d S( Ni i i ( R R R R R t packet( R R ( ( R R l s ) c C s | i | } | d j o d Sn y t i | } Wn_ t i j oP t i d IJt i d It | IJt i d t i t i d IJ n X| S( Ns -----------------------s cannot unpickle packet:R ( R R Rj R R R R R t UnpicklingErrorR R R% R' t print_stack( R Rj R R ( ( R t pollmessaget s c C s xy t i d } Wn t i j o n- X| \ } } | d | f f } | i | y( | i | } | d j o d Sn Wn7 t j o | i d Sn t j o d Sn X| \ } } | d } | i d | | f | d j ov | i d | | i | | } | i d | | f | d j o | i | | f q | d j o q q q | | j o | Sq | i i | d } | d j o/ | i | | i | <| i | i q q q Wd S( sR Handle messages received on the socket. Some messages received may be asynchronous 'call' or 'queue' requests, and some may be responses for other threads. 'call' requests are passed to self.localcall() with the expectation of immediate execution, during which time the socket is not serviced. 'queue' requests are used for tasks (which may block or hang) to be processed in a different thread. These requests are fed into request_queue by self.localcall(). Responses to queued requests are taken from response_queue and sent across the link with the associated sequence numbers. Messages in the queues are (sequence_number, request/response) tuples and code using this module removing messages from the request_queue is responsible for returning the correct sequence number in the response_queue. pollresponse() will loop until a response message with the myseq sequence number is received, and will save other responses in self.responses and notify the owning thread. i i RF s pollresponse:%d:myseq:%sRH RI s pollresponse:%d:localcall:call:s% pollresponse:%d:localcall:response:%sN( s CALLs QUEUE( t response_queuet gett qmsgt Queuet EmptyR^ Rl R R Ri R Rj R Rt t handle_EOFR t resqRL R> Ru R` R5 t cvR~ R4 t notifyR ( R Ru Rj R^ R R RL R R Rl ( ( R R} sP c C sq | i | i d xI | i D]> } | i | } | i d | i | <| i | i q! W| i d S( s+ action taken upon link being closed by peerR Rn N( s EOFN( R t EOFhookR> R5 t keyR R~ R R4 R R R7 ( R R R ( ( R R s c C s d S( sB Classes using rpc client/server can override to augment EOF actionN( ( R ( ( R R s (" R, R- R R R R6 R7 R> RA RC R` Rc Re Ra Rd Rb Rm Rp Rv Rk Rx Rw Rf Ri R R R R R R R R} R R ( ( ( R R. | s> ( I RZ c B s t Z RS( N( R, R- ( ( ( R RZ s c C s t | } | t | <t | S( N( t idRQ R@ R3 Ry ( RQ R@ ( ( R R[ s Ry c B s t Z d Z RS( Nc C s | | _ d S( N( R@ R ( R R@ ( ( R R s ( R, R- R ( ( ( R Ry s R c B s/ t Z e Z d Z d Z d Z d Z RS( Ns #Sc C s6 | | _ t i | | t i i | | | | d S( N( R t svrt current_handlerR. R R1 R t BaseRequestHandlerR ( R R1 R R ( ( R R s c C s | i d S( s( handle() method required by SocketServerN( R Rv ( R ( ( R t handle s c C s t | | S( N( Rz R R@ ( R R@ ( ( R t get_remote_proxy s ( R, R- t FalseR0 R9 R R R ( ( ( R R s t RPCClientc B sA t Z e Z d Z d Z e i e i d Z d Z d Z RS( Ns #Ci c C sU t i | | | _ | i i t i t i d | i i | | i i d d S( Ni ( R t familyt typeR t listening_sockt setsockoptt SOL_SOCKETt SO_REUSEADDRt bindt addresst listen( R R R R ( ( R R s c C s{ | i i \ } } | i o t i d I| IJn | d t j o t i | | n t i d I| IJt i d S( Ns ****** Connection request from i s ** Invalid host: ( R R t acceptt working_sockR R0 R R t LOCALHOSTR. R R R_ ( R R R ( ( R R s c C s t | | S( N( Rz R R@ ( R R@ ( ( R R s ( R, R- R R0 R9 R R t AF_INETt SOCK_STREAMR R R ( ( ( R R s Rz c B s8 t Z d Z d Z d Z d Z d Z d Z RS( Nc C s | | _ | | _ d S( N( t sockioR R@ ( R R R@ ( ( R R s c C s | i d j o | i n | i i | o t | i | i | Sn | i d j o | i n | i i | p t | n d S( N( R t _RPCProxy__methodsR t _RPCProxy__getmethodsR t namet MethodProxyR R@ t _RPCProxy__attributest _RPCProxy__getattributesRP R ( R R ( ( R t __getattr__! s c C s% | i i | i d f h | _ d S( NRG ( R R Rc R@ R ( R ( ( R t __getattributes+ s c C s% | i i | i d f h | _ d S( NRE ( R R Rc R@ R ( R ( ( R t __getmethods/ s ( R, R- R R R R R R R ( ( ( R Rz s c C s x> t | D]0 } t | | } t | o d | | <q q Wt | t i j o t | i | n t | t i j o% x" | i D] } t | | q Wn d S( Ni ( t dirRQ R RW t attrt callableRR R R t InstanceTypeRS t __class__t ClassTypet __bases__t super( RQ RR R R R ( ( R RS 3 s c C sE x> t | D]0 } t | | } t | p d | | <q q Wd S( Ni ( R RQ R RW R R RT ( RQ RT R R ( ( R RU @ s R c B s t Z d Z d Z RS( Nc C s | | _ | | _ | | _ d S( N( R R R@ R ( R R R@ R ( ( R R H s c O s% | i i | i | i | | } | S( N( R R Rc R@ R R< RN t value( R R< RN R ( ( R t __call__M s !( R, R- R R ( ( ( R R F s ($ t __doc__R R) R R R R t cPickleR R! R R' t copy_regR R R R R R R R R R3 R\ R R. RZ R[ Ry R R R Rz RS RU R ( R R) R. RZ Rz R3 R R R R\ R R R R R R RU RS R R R R R[ R R R' Ry R! R R R ( ( R t ? sB 2 c