F\hM7nSrSrSSKrSSKrSSKrSSKrSSKJr SSK J r SSK J r SSK J r SS K J r \ Rr\ Rr\ R r\ R"r\R$S- r"S S 5r\rS rS rSrSrSrSrSS.SjrSSKr\R(=rrg!\a gf=f)z.A Future class similar to the one in PEP 3148.)Future wrap_futureisfutureN) GenericAlias) base_futures)events) exceptions)format_helpersc\rSrSrSr\rSrSrSr Sr Sr Sr Sr SrSS.SjrSrSr\"\5r\S 5r\R.S 5rS rS rSS jrSrSrSrSrSrSS.Sjr Sr!Sr"Sr#Sr$\$r%Sr&g)raThis class is *almost* compatible with concurrent.futures.Future. Differences: - This class is not thread-safe. - result() and exception() do not take a timeout argument and raise an exception when the future isn't done yet. - Callbacks registered with add_done_callback() are always called via the event loop's call_soon(). - This class is not compatible with the wait() and as_completed() methods in the concurrent.futures package. (In Python 3.4 or later we may be able to unify the implementations.) NFloopcUc"5UlOXl/UlURR 5(a0[ R "[R"S55Ul gg)zInitialize the future. 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Nr0)rr call_soon)r callbackscallbackctxs r__schedule_callbacksFuture.__schedule_callbackssI OOA&  &MH JJ  ='rc(UR[:H$)z(Return True if the future was cancelled.)rDrFr"s r cancelledFuture.cancelleds{{j((rc(UR[:g$)zReturn True if the future is done. Done means either that a result / exception are available, or that the future was cancelled. )rDrEr"s rdone Future.dones {{h&&rc(UR[:XaUR5eUR[:wa[R "S5eSUlURb%URRUR5eUR$)zReturn the result this future represents. If the future has been cancelled, raises CancelledError. If the future's result isn't yet available, raises InvalidStateError. If the future is done and has an exception set, this exception is raised. zResult is not ready.F) rDrFrA _FINISHEDr InvalidStateErrorr*r+with_traceback _exception_tb_resultr"s rresult Future.resultst ;;* $,,. . ;;) #../EF F$ ?? &//001C1CD D||rcUR[:XaUR5eUR[:wa[R "S5eSUlUR$)zReturn the exception that was set on this future. 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N)rlen)rrgfrPfiltered_callbacks removed_counts rremove_done_callbackFuture.remove_done_callbacksh /3oo*.=(1!"'qh.= *DOO,s3E/FF !3OOA  *s A!A!cUR[:wa&[R"URSU<35eXl[ UlUR 5 g)z~Mark the future done and set its result. If the future is already done when this method is called, raises InvalidStateError. : N)rDrEr r[r^rZrG)rr_s r set_resultFuture.set_resultsH ;;( "..$++b/IJ J   !!#rc~UR[:wa&[R"URSU<35e[ U[ 5(aU"5n[ U[ 5(a[S5nXlXl UnXl URUl [UlUR5 SUlg)zMark the future done and set an exception. If the future is already done when this method is called, raises InvalidStateError. rrzPStopIteration interacts badly with generators and cannot be raised into a FutureTN)rDrEr r[ isinstancetype StopIterationr: __cause__ __context__r+ __traceback__r]rZrGr*)rr'new_excs r set_exceptionFuture.set_exceptions ;;( "..$++b/IJ J i & &! I i / /"$,-G!* "+ I#&44  !!##rc## UR5(d SUlUv UR5(d [S5eUR5$7f)NTzawait wasn't used with future)rW_asyncio_future_blockingr:r_r"s r __await__Future.__await__s@yy{{,0D )Jyy{{>? ?{{}sAA) __log_tracebackrrr?r>r+r]rr^rrDr )'r- __module__ __qualname____firstlineno____doc__rErDr^r+rrr?r>rr*rr#r1 classmethodr__class_getitem__propertyr4setterr;rArIrGrTrWr_r'rhrorsr}r__iter____static_attributes__rrrrs&FGJ EON %O#" /3 $L1 $$%% "  >) ' 04 2  $$.Hrrc`URnU"5$![a UR$f=fr )r;AttributeErrorr)futr;s r _get_loopr*s:<<z    99  s  --cRUR5(agURU5 g)z?Helper setting the result only if the future was not cancelled.N)rTrs)rr_s r_set_result_unless_cancelledr6s }}NN6rch[U5nU[RRLa6[R"UR 6R UR5$U[RRLa6[R"UR 6R UR5$U$r ) rw concurrentfuturesr@r argsr\r{r[)r/ exc_classs r_convert_future_excr=sS IJ&&555((#((3BB3CTCTUU j((:: :++SXX6EEcFWFWXX rcNUR5(deUR5(aUR"5 UR"5(dgUR 5nUbUR "[ U55 gUR5nUR"U5 g)z8Copy state from a future to a concurrent.futures.Future.N) rWrTrIset_running_or_notify_cancelr'r}rr_rs)rsourcer'r_s r_set_concurrent_future_staterGs ;;===   2 2 4 4  "I  !4Y!?@f%rcvUR5(deUR5(agUR5(aeUR5(aUR5 gUR5nUbUR [ U55 gUR 5nURU5 g)ziInternal helper to copy state from another Future. The other Future may be a concurrent.futures.Future. N)rWrTrIr'r}rr_rs)rdestr'r_s r_copy_future_staterVs ;;=== ~~yy{{?  $$&    29= >]]_F OOF #rc^^^^^[T5(d4[T[RR5(d [ S5e[T5(d4[T[RR5(d [ S5e[T5(a [ T5OSm[T5(a [ T5OSmSmUUU4SjnUUUU4SjnTRU5 TRU5 g)aChain two futures so that when one completes, so does the other. The result (or exception) of source will be copied to destination. If destination is cancelled, source gets cancelled too. Compatible with both asyncio.Future and concurrent.futures.Future. z(A future is required for source argumentz-A future is required for destination argumentNcR[U5(a [X5 g[X5 gr )rrr)r(others r _set_state!_chain_future.._set_statezs F   u - ( 7rc>UR5(a5TbTTLaTR5 gTRTR5 ggr )rTrIcall_soon_threadsafe) destination dest_loopr source_loops r_call_check_cancel)_chain_future.._call_check_cancels?  " ""kY&> 00? #rc>TR5(aTbTR5(agTbTTLa T"TU5 gTR5(agTRTTU5 gr )rT is_closedr)rrrrrs r_call_set_state&_chain_future.._call_set_statesd  ! ! # #%)*=*=*?*?    [ 8 {F +""$$  * *:{F Kr)rrvrrr TypeErrorrrh)rrrrrrrs`` @@@r _chain_futurerjs F  Jv/9/A/A/H/H%J%JBCC K K4>4F4F4M4M*O*OGHH'/'7'7)F#TK*2;*?*? +&TI8 @ L L!!"45 _-rrc[U5(aU$[U[RR5(d SU<35eUc[ R "5nUR5n[X5 U$)z&Wrap concurrent.futures.Future object.z+concurrent.futures.Future is expected, got ) rrvrrrr r create_futurer)r(r new_futures rrrss fj0077 8 8A 5fZ@A 8 |$$&##%J&% r) r__all__concurrent.futuresrrdloggingrtypesrrr r r rrErFrZDEBUG STACK_DEBUGr _PyFuturerrrrrrr_asyncio_CFuture ImportErrorrrrrs4        $ $  " " mma EER    &$().X!% ( !'FX   sB++B43B4