U :eP$@s$ddlZddlZddlZddlZddlmZmZddlmZddlm Z ddlm Z ddd d d d d gZ ej dkrzdZ dZneeddZ ejdZerejejdanejadd Zdd ZddZddZdd Zd&ddZddZddZdd ZgZ dd Z!d!d"Z"d#d$Z#d%d Z$dS)'N)get_start_methodset_start_method)process) reduction)util_mainfreeze_supportset_executableget_executableget_preparation_dataget_command_lineimport_main_pathwin32Ffrozenzpythonservice.exez python.execCs|adSN _python_exe)Zexer:/usr/local/python38/lib/python3.8/multiprocessing/spawn.pyr )scCstSrrrrrrr -scCs$t|dkr|ddkrdSdSdS)z= Return whether commandline indicates we are forking r--multiprocessing-forkTFN)len)argvrrr is_forking4srcCsdttjr`i}tjddD]0}|d\}}|dkr@d||<qt|||<qtf|tdS)zE Run code for process object if this in not the main process rN=None)rsysrsplitint spawn_mainexit)kwdsargnamevaluerrrr >s   cKshttddr(tjdgdd|DSd}|ddd |D;}t}tg|d |dgSd S) zJ Returns prefix of command line used for spawning a child process rFrcSsg|] }d|qS)%s=%rr.0itemrrr Tsz$get_command_line..zWsz#get_command_line..z-cN)getattrr executableitemsjoinr_args_from_interpreter_flagsr)r"progZoptsrrrr Ns c Csttjstdtjdkrrddl}ddl}|dk rL||j|j Bd|}nd}t j ||d}| |t j}|}n"ddlm} || j_|}t |}t||} t| dS) z7 Run code specified by data received over pipe z Not forkingrrNF)source_processr)resource_tracker)rrrAssertionErrorplatformmsvcrt_winapiZ OpenProcessZ SYNCHRONIZEZPROCESS_DUP_HANDLErZ duplicateopen_osfhandleosO_RDONLYr3_resource_trackerZ_fdduprr!) Z pipe_handleZ parent_pidZ tracker_fdr6r7r2Z new_handlefdparent_sentinelr3exitcoderrrr \s,     r c Cs`tj|ddd@}dt_z$tj|}t|tj|}W5t`XW5QRX| |S)NrbT)closefd) r9fdopenrcurrent_process _inheritingrpickleloadprepare _bootstrap)r>r?Z from_parentZpreparation_dataselfrrrrxs  cCsttddrtddS)NrEFa An attempt has been made to start a new process before the current process has finished its bootstrapping phase. This probably means that you are not using fork to start your child processes and you have forgotten to use the proper idiom in the main module: if __name__ == '__main__': freeze_support() ... The "freeze_support()" line can be omitted if the program is not going to be frozen to produce an executable.)r,rrD RuntimeErrorrrrr_check_not_importing_mainsrLcCstttjtjd}tjdk r2tj|d<t j }z| d}Wnt k r^Yn Xtj||<|j||t jtjttdt jd}t|jdd}|dk r||d<nft jd kststst|d d}|dk rtj |s tjdk r tj tj|}tj ||d <|S) zM Return info about parent needed by child to unpickle process object ) log_to_stderrauthkeyN log_levelr;)r$sys_pathsys_argvorig_dirdir start_method__main__r$init_main_from_namer__file__init_main_from_path)rLdictr_log_to_stderrrrDrN_loggergetEffectiveLevelrpathcopyindex ValueError ORIGINAL_DIRupdaterr9getcwdrmodulesr,__spec__r5WINEXE WINSERVICEisabsr/normpath)r$drPi main_moduleZ main_mod_name main_pathrrrr sD       cCsd|kr|dt_d|kr,|dt_d|krD|drDtd|kr^t|dd|krp|dt_ d|kr|dt_ d|krt |dd|kr|dt_ d |krt|d d d d |krt|d nd |krt|d dS)zE Try to get current process ready to unpickle process object r$rNrMrOrPrQrSrRrTT)forcerVrXN)rrDr$rNrrM get_loggersetLevelrr]rr9chdirrar_fixup_main_from_name_fixup_main_from_path)datarrrrHs,   rHcCs~tjd}|dks|dr dSt|jdd|kr6dSt|td}t j |ddd}|j ||tjd<tjd<dS)NrUz .__main__r$ __mp_main__T)run_nameZ alter_sys) rrdendswithr,reold_main_modulesappendtypes ModuleTyperunpyZ run_module__dict__rb)Zmod_name current_mainrl main_contentrrrrrs    rrcCstjd}tjtj|d}|dkr.dSt|dd|krBdSt|t d}t j |dd}|j ||tjd<tjd<dS)NrUrZipythonrWru)rv)rrdr9r]splitextbasenamer,rxryrzr{r|Zrun_pathr}rb)rmr~Z main_namerlrrrrrs s    rscCs t|dS)z< Set sys.modules['__main__'] to module at main_path N)rs)rmrrrr%s)NN)%r9rr|rzr;rrrcontextrr__all__r5rfrgr,r-lowerrwr]r/ exec_prefixrr r rr r r rrLr rxrHrrrsrrrrr sD        2&