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This has to be explicit because some of these modules are removed by distributions due to them being non-free. zFailed to import module �: z� This is most likely caused by your operating system not including the module due to it being non-free. Either do not use the option --profile, or install the module; your operating system vendor may provide it in a separate package. N)� SystemExit)r �module�e�sr r r �_reportImportError) s z!_BasicProfiler._reportImportErrorN)�__name__� __module__� __qualname__�__doc__r r# r r r r r s r c @ s e Zd ZdZdd� ZdS )� ProfileRunnerz1 Runner for the standard profile module. c C s� z ddl }W n0 ty< } z| �d|� W Y d}~n d}~0 0 |�� }|�|j� | jrf|�| j� nRt j t | jd� }t _ z"|� � W |t j t _ }|� � n|t j t _ }|� � 0 dS )z: Run reactor under the standard profiler. r N�profile�a)r) � ImportErrorr# �Profile�runcall�runr � dump_statsr �sys�stdout�open� print_stats�close)r �reactorr) r! �p�tmpr r r r. > s " �zProfileRunner.runN�r$ r% r& r' r. r r r r r( 9 s r( c @ s e Zd ZdZdd� ZdS )�CProfileRunnerz) Runner for the cProfile module. c C s� zddl }ddl}W n0 tyD } z| �d|� W Y d}~n d}~0 0 |�� }|�|j� | jrn|�| j � nTt | j d��8}|j ||d�}|� � |� d� |�� W d � n1 s�0 Y dS )z: Run reactor under the cProfile profiler. r N�cProfile�w)�stream���)r: �pstatsr+ r# r, r- r. r r/ r r2 ZStatsZ strip_dirsZ sort_statsr3 )r r5 r: r> r! r6 r< r" r r r r. Y s " zCProfileRunner.runNr8 r r r r r9 T s r9 c @ s" e Zd ZdZeed�Zdd� ZdS )� AppProfilerz� Class which selects a specific profile runner based on configuration options. @ivar profiler: the name of the selected profiler. @type profiler: C{str} )r) �cprofilec C sf |� dd�}|� dd �}|� dd��� | _| j| jv rR| j| j ||�}|j| _ntd| j� ���d S )N� savestatsFr) �profilerr@ zUnsupported profiler name: )�get�lowerrB � profilersr. r )r �optionsr r rB r r r r z s zAppProfiler.__init__N)r$ r% r& r' r( r9 rE r r r r r r? o s r? c @ s< e Zd ZdZdZdd� Zdd� Zdd� Zd d � Zd d � Z dS ) � AppLoggera] An L{AppLogger} attaches the configured log observer specified on the commandline to a L{ServerOptions} object, a custom L{logger.ILogObserver}, or a legacy custom {log.ILogObserver}. @ivar _logfilename: The name of the file to which to log, if other than the default. @type _logfilename: C{str} @ivar _observerFactory: Callable object that will create a log observer, or None. @ivar _observer: log observer added at C{start} and removed at C{stop}. @type _observer: a callable that implements L{logger.ILogObserver} or L{log.ILogObserver}. Nc C s" |� dd�| _|� d�pd| _dS )zE Initialize an L{AppLogger} with a L{ServerOptions}. r � r N)rC � _logfilename�_observerFactory�r rF r r r r � s zAppLogger.__init__c C s� | j dur| � � }n$|�tjd�}|du r8|�tjd�}|du rH| �� }|| _tj�| j�rf| jg}n<tj�| j�r�t�| j�g}n t j dt dd� t�| j�g}tj � |� | �� dS )a� Initialize the global logging system for the given application. If a custom logger was specified on the command line it will be used. If not, and an L{logger.ILogObserver} or legacy L{log.ILogObserver} component has been set on C{application}, then it will be used as the log observer. Otherwise a log observer will be created based on the command line options for built-in loggers (e.g. C{--logfile}). @param application: The application on which to check for an L{logger.ILogObserver} or legacy L{log.ILogObserver}. @type application: L{twisted.python.components.Componentized} NaZ Passing a logger factory which makes log observers which do not implement twisted.logger.ILogObserver or twisted.python.log.ILogObserver to twisted.application.app.AppLogger was deprecated in Twisted 16.2. Please use a factory that produces twisted.logger.ILogObserver (or the legacy twisted.python.log.ILogObserver) implementing objects instead.� )� stacklevel)rJ Z getComponentr Z ILogObserverr �_getLogObserver� _observer� providedByZLegacyLogObserverWrapper�warnings�warn�DeprecationWarningZglobalLogBeginnerZbeginLoggingTo� _initialLog)r � applicationZobserverZ observersr r r �start� s( � zAppLogger.startc C sJ ddl m} t�| �jdtjtjt � � d� t�| �jdt |j �d� dS )z1 Print twistd start log message. r �r5 z1twistd {version} ({exe} {pyVersion}) starting up.)�version�exeZ pyVersionzreactor class: {reactor}.N) �twisted.internetr5 r � _loggerFor�infor rX r0 � executabler ZshortPythonVersionr � __class__)r r5 r r r rT � s � �zAppLogger._initialLogc C s0 | j dks| j stj}ntj�| j �}t�|�S )zr Create a log observer to be added to the logging system before running this application. �-)rI r0 r1 r ZLogFileZ fromFullPathr ZtextFileLogObserver)r ZlogFiler r r rN � s zAppLogger._getLogObserverc C s2 t �| ��d� | jdur.t j�| j� d| _dS )zS Remove all log observers previously set up by L{AppLogger.start}. zServer Shut Down.N)r r[ r\ rO ZglobalLogPublisherZremoveObserver�r r r r �stop� s zAppLogger.stop) r$ r% r& r' rO r rV rT rN ra r r r r rG � s 2 rG c C s4 dd� } dd� }dd� }|t j_| t j_|t j_d S )Nc S s. | � � | �� ddlm} |�d|j� dS )Nr rW � )Zclear_all_breaksZ set_continuerZ r5 Z callLaterra )r �argr5 r r r �do_stop� s zfixPdb.<locals>.do_stopc S s t d� d S )NzEstop - Continue execution, then cleanly shutdown the twisted reactor.)�printr` r r r � help_stop s �zfixPdb.<locals>.help_stopc S s t �d� d S )Nr )�os�_exitr` r r r �set_quit s zfixPdb.<locals>.set_quit)�pdbZPdbri rd rf )rd rf ri r r r �fixPdb� s rk c C s� |du rddl m} z~| d r2|dur�|�|� n^| d r�|t_|t_tjdkrtt�tj dd� � t�tj d d� � t � t � |j� n|�� W nf ty� d }| d r�|}ntd d �}d}z$tj|d� |�� W |r�|�� n|r�|�� 0 Y n0 dS )aN Start the reactor, using profiling if specified by the configuration, and log any error happening in the process. @param config: configuration of the twistd application. @type config: L{ServerOptions} @param oldstdout: initial value of C{sys.stdout}. @type oldstdout: C{file} @param oldstderr: initial value of C{sys.stderr}. @type oldstderr: C{file} @param profiler: object used to run the reactor with profiling. @type profiler: L{AppProfiler} @param reactor: The reactor to use. If L{None}, the global reactor will be used. Nr rW r) �debug�posixc W s t �� S r �rj Z set_trace��argsr r r �<lambda>+ � z'runReactorWithLogging.<locals>.<lambda>c W s t �� S r rn ro r r r rq , rr FZnodaemonzTWISTD-CRASH.logr* T��file)rZ r5 r. r0 r1 �stderrr Z platformType�signal�SIGUSR2�SIGINTrk rj r- � BaseExceptionr2 � traceback� print_exc�flushr4 )�config� oldstdout� oldstderrrB r5 r4 rt r r r �runReactorWithLogging s8 �r� c C s | rt � d�S d S d S )Nz Passphrase: )�getpass��neededr r r � getPassphrase@ s r� c C s | rt �d�S d S d S )NzEncryption passphrase: )r Z getPasswordr� r r r �getSavePassphraseG s r� c @ sH e Zd ZdZeZeZdd� Zdd� Z dd� Z dd � Z d d � Z d d � Z dS )�ApplicationRunnera An object which helps running an application based on a config object. Subclass me and implement preApplication and postApplication methods. postApplication generally will want to run the reactor after starting the application. @ivar config: The config object, which provides a dict-like interface. @ivar application: Available in postApplication, but not preApplication. This is the application object. @ivar profilerFactory: Factory for creating a profiler object, able to profile the application if options are set accordingly. @ivar profiler: Instance provided by C{profilerFactory}. @ivar loggerFactory: Factory for creating object responsible for logging. @ivar logger: Instance provided by C{loggerFactory}. c C s" || _ | �|�| _| �|�| _d S r )r} �profilerFactoryrB � loggerFactoryr )r r} r r r r h s zApplicationRunner.__init__c C s6 | � � | �� | _| j�| j� | �� | j�� dS )z& Run the application. N)�preApplication�createOrGetApplicationrU r rV �postApplicationra r` r r r r. m s zApplicationRunner.runc C sF |du rddl m} t| j||| j|� t�|�r<|j| _nd| _dS )z� Run the reactor with the given configuration. Subclasses should probably call this from C{postApplication}. @see: L{runReactorWithLogging} Nr rW )rZ r5 r� r} rB r rP Z _exitSignal)r r5 r~ r r r r � startReactory s z ApplicationRunner.startReactorc C s t � �dS )z� Override in subclass. This should set up any state necessary before loading and running the Application. N��NotImplementedErrorr` r r r r� � s z ApplicationRunner.preApplicationc C s t � �dS )z� Override in subclass. This will be called after the application has been loaded (so the C{application} attribute will be set). Generally this should start the application and run the reactor. Nr� r` r r r r� � s z!ApplicationRunner.postApplicationc C s\ | j jr>| j j| j j }|�| j j�}t�|j�}|�|� nt | j d �}t | j |�}|S )a� Create or load an Application based on the parameters found in the given L{ServerOptions} instance. If a subcommand was used, the L{service.IServiceMaker} that it represents will be used to construct a service to be added to a newly-created Application. Otherwise, an application will be loaded based on parameters in the config. � encrypted) r} � subCommand� loadedPluginsZ makeServiceZ subOptionsr � Application�tapnameZsetServiceParentr� �getApplication)r ZplgZserrU � passphraser r r r� � s z(ApplicationRunner.createOrGetApplicationN)r$ r% r& r' r? r� rG r� r r. r� r� r� r� r r r r r� N s r� c s� � fdd�dD �d }|d ddi� |d |d � }}z*t�d| � t�|||�}t�d � W n~ ty� } zfd | }t|t�r�|jd d kr�|d 7 }t j tj d � t�|� t� � t �d| d � W Y d }~n d }~0 0 |S )Nc s g | ]}� | r� | |f�qS r r )�.0�t�r} r r � <listcomp>� rr z"getApplication.<locals>.<listcomp>)�python�sourcert r rt �picklerb z Loading %s...zLoaded.z Failed to load application: %srU aN Could not find 'application' in the file. To use 'twistd -y', your .tac file must create a suitable object (e.g., by calling service.Application()) and store it in a variable named 'application'. twistd loads your .tac file and scans the global variables for one of this name. Please read the 'Using Application' HOWTO for details. rs � )rC r �msgr �loadApplication� Exception� isinstance�KeyErrorrp rz r{ r Zdeferrr0 �exit)r} r� r" �filename�stylerU r! r r� r r� � s " (r� c C s t �dd� t�� D ��S )Nc S s g | ] }|j �qS r )� shortName)r� �rr r r r� � rr z"_reactorAction.<locals>.<listcomp>)r Z CompleteListr �getReactorTypesr r r r �_reactorAction� s r� c @ sD e Zd ZdZejdeid�Zej Z e e j �Zdd� Zdd� ZeZdS ) �ReactorSelectionMixinz� Provides options for selecting a reactor to install. If a reactor is installed, the short name which was used to locate it is saved as the value for the C{"reactor"} key. r5 )� optActionsc C s� t | �� td�d�}d}|D ]t}z.t|j� | j�d|jd�d|j� d�� W q t y� } z(|d� |j|j|j d �7 }W Y d }~q d }~0 0 q |r�| j�d� | j�d � | j�|� t d ��d S ) zE Display a list of possibly available reactor names. r� ��keyrH z z<4� r� z !{:<4} {} ({}) r Nz. reactors not available on this platform: ) �sorted�_getReactorTypesr r Z moduleName� messageOutput�writer� � descriptionr+ �formatrp r )r ZrctsZnotWorkingReactorsr� r! r r r �opt_help_reactors� s& $� � z'ReactorSelectionMixin.opt_help_reactorsc C sv z t |� W n\ ty2 d|f }t�|��Y n@ tyh } z d|f }t�|��W Y d}~nd}~0 0 || d< dS )zX Which reactor to use (see --help-reactors for a list of possibilities) zcThe specified reactor does not exist: '%s'. See the list of available reactors with --help-reactorsztThe specified reactor cannot be used, failed with error: %s. See the list of available reactors with --help-reactorsNr5 )r r r � UsageErrorr� )r r� r� r! r r r � opt_reactor� s ���� z!ReactorSelectionMixin.opt_reactorN)r$ r% r& r' r � Completionsr� �compDatar0 r1 r� � staticmethodr r� r� r� r� Zopt_rr r r r r� � s r� c @ s� e Zd ZdZg d�g d�g d�gZg d�g d�g d�dd d d d �ej� gg d �g d�g d�g d�gZe j dge � d�e � d�e � d�e � � d�d�Z eej�Zdd� Zdd� ZeZdd � Zd#d d �Zd d � Zed!d"� �Zd S )$� ServerOptionszQtwistd reads a twisted.application.service.Application out of a file and runs it.)rA NzBsave the Stats object rather than the text output of the profiler.)�no_save�oz do not save state on shutdown)r� r! z(The specified tap/aos file is encrypted.)r �lNz%log to a specified file, - for stdout)r NNz�A fully-qualified name to a log observer factory to use for the initial log observer. Takes precedence over --logfile and --syslog (when available).)r) r6 Nz7Run in profile mode, dumping results to specified file.rB Nr@ z!Name of the profiler to use (%s).z, )rt �fz twistd.tapzread the given .tap file)r� �yNz:read an application from within a Python file (implies -o))r� r" Nz2Read an application from a .tas file (AOT format).)�rundir�d�.z-Change to a supplied directory before running)rt r� r� z*.tapz *.(tac|py)z*.tas)rt r� r� r� )ZmutuallyExclusiver� c O s4 d| d< d|v r |d | _ ntj | _ tj�| � d S )NFrl r1 )r1 r0 r �Optionsr )r r* �kwr r r r Y s zServerOptions.__init__c C s t �d� t�� d| d< dS )z� Run the application in the Python Debugger (implies nodaemon), sending SIGUSR2 will drop into debugger Trl N)r Z setDebuggingr ZstartDebugModer` r r r � opt_debuga s zServerOptions.opt_debugc C s> t �tj� z ddl}W n ty, Y dS 0 |�tj� dS )z� Print an insanely verbose log of everything that happens. Useful when debugging freezes or locks in complex code. r N)r0 �settracer Zspewer� threadingr+ )r r� r r r �opt_spewl s zServerOptions.opt_spewc C s. |d u r t jdd � pdg}tj�| |� d S )Nrb z--help)r0 �argvr r� � parseOptionsrK r r r r� x s zServerOptions.parseOptionsc C sv | j s| d rd| d< | d d urrzt| d �| d< W n: typ } z"t�d�| d |���W Y d }~n d }~0 0 d S )Nr� Tr� r z%Logger '{}' could not be imported: {})r� r r� r r� r� )r r! r r r � postOptions} s �zServerOptions.postOptionsc c sR | � tj�}i | _t|td�d�D ]*}|| j|j< |jd |fdd�|jfV q"d S )Nr� r� c S s | � � S r )rF )�plugr r r rq � rr z+ServerOptions.subCommands.<locals>.<lambda>)� _getPluginsr Z IServiceMakerr� r� r r� r� )r �pluginsr� r r r � subCommands� s �zServerOptions.subCommands)N)r$ r% r& ZlongdescZoptFlags�joinr? rE Z optParametersr r� Z CompleteFiles� CompleteDirsr� r� r Z getPluginsr� r r� Zopt_br� r� r� �propertyr� r r r r r� sH �� ��!�� r� c C st |� }z |� � W nT tjyf } z:d�tjdd� �}t|� t|� d|� �� W Y d }~nd }~0 0 | |� d S )N� r rL r )r� r �errorr� r0 r� re )ZrunAppr� r} ZueZcommstrr r r r. � s (r. c C sF t �| ||�}t�|��|� t|�}|r.d }t�|�j||d� d S )N)r� r� )r r� r � IPersistableZsetStyler� �save)ZfileinZtypeinr� �fileoutZtypeoutZencryptrU r r r � convertStyle� s r� c C sT ddl m} t�| ��� |r:t�| �}|�dd|jd� |�ddt�| �j � d S )Nr rW �after�shutdown�before) rZ r5 r ZIServiceZ startServicer r� ZaddSystemEventTriggerr� Z stopService)rU r� r5 r6 r r r �startApplication� s �r� c C s" t � | t j� t�t�� | � dS )a Force the application to terminate with the specified signal by replacing the signal handler with the default and sending the signal to ourselves. @param sig: Signal to use to terminate the process with C{os.kill}. @type sig: C{int} N)rv �SIG_DFLrg �kill�getpid)�sigr r r �_exitWithSignal� s r� )NN)7r� rg rj rv r0 rz rQ �operatorr Ztwistedr r r Ztwisted.applicationr r Z twisted.application.reactorsr r rZ r Ztwisted.internet.interfacesr Ztwisted.persistedr Ztwisted.pythonr r r r r r Ztwisted.python.reflectr r r r r( r9 r? rG rk r� r� r� r� r� r� r� r� r� r. r� r� r� r r r r �<module> sB r 3kE~
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