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context.cpython-39.pyc
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If so then run code specified by commandline and exit. �win32�frozenFr )�freeze_supportN)�sys�platform�getattr�spawnrE )r rE r r r rE � s zBaseContext.freeze_supportc C s ddl m} |� S )zZReturn package logger -- if it does not already exist then it is created. r )� get_logger)�utilrJ )r rJ r r r rJ � s zBaseContext.get_loggerc C s ddl m} ||�S )z8Turn on logging and add a handler which prints to stderrr )� log_to_stderr)rK rL )r �levelrL r r r rL � s zBaseContext.log_to_stderrc C s ddl m} dS )zVInstall support for sending connections and sockets between processes r )r N)� r )r r r r r �allow_connection_pickling� s z%BaseContext.allow_connection_picklingc C s ddl m} ||� dS )z�Sets the path to a python.exe or pythonw.exe binary used to run child processes instead of sys.executable when using the 'spawn' start method. Useful for people embedding Python. r )�set_executableN)rI rP )r � executablerP r r r rP � s zBaseContext.set_executablec C s ddl m} ||� dS )zkSet list of module names to try to load in forkserver process. This is really just a hint. r )�set_forkserver_preloadN)� forkserverrR )r � module_namesrR r r r rR � s z"BaseContext.set_forkserver_preloadc C sF |d u r | S z t | }W n ty8 td| �d �Y n0 |�� |S )Nzcannot find context for %r)�_concrete_contexts�KeyError� ValueError�_check_available)r �methodr r r r r � s zBaseContext.get_contextFc C s | j S �N)�_name�r � allow_noner r r �get_start_method� s z BaseContext.get_start_methodc C s t d��d S )Nz+cannot set start method of concrete context)rW �r rY �forcer r r �set_start_method� s z BaseContext.set_start_methodc C s t � �d�S )z_Controls how objects will be reduced to a form that can be shared with other processes.r )�globals�get�r r r r �reducer� s zBaseContext.reducerc C s |t � d< d S )Nr )rb )r r r r r re � s c C s d S rZ r rd r r r rX � s z BaseContext._check_available)T)N)r )r )NN)r )r )NNr N)N)N)F)F)+r r r r r r r � staticmethodr �current_process�parent_process�active_childrenr r r r r" r# r% r' r( r) r. r1 r2 r3 r: r> r@ rB rE rJ rL rO rP rR r r^ ra �propertyre �setterrX r r r r r sR � r c @ s e Zd ZdZedd� �ZdS )�ProcessNc C s t �� j�| �S rZ )�_default_contextr rl �_Popen)� process_objr r r rn � s zProcess._Popen�r r r � _start_methodrf rn r r r r rl � s rl c sF e Zd ZeZdd� Zd � fdd� Zddd�Zdd d �Zd d � Z� Z S )�DefaultContextc C s || _ d | _d S rZ )rm �_actual_context)r r4 r r r �__init__� s zDefaultContext.__init__Nc s0 |d u r | j d u r| j| _ | j S t� �|�S d S rZ )rs rm �superr )r rY �� __class__r r r � s zDefaultContext.get_contextFc C s< | j d ur|std��|d u r,|r,d | _ d S | �|�| _ d S )Nz context has already been set)rs � RuntimeErrorr r_ r r r ra � s z DefaultContext.set_start_methodc C s" | j d u r|rd S | j| _ | j jS rZ )rs rm r[ r\ r r r r^ � s z DefaultContext.get_start_methodc C sB t jdkrdgS t jdkr"ddgnddg}tjr:|�d� |S d S )NrC rI �darwin�forkrS )rF rG r �HAVE_SEND_HANDLE�append)r �methodsr r r �get_all_start_methods s z$DefaultContext.get_all_start_methods)N)F)F) r r r rl rt r ra r^ r~ � __classcell__r r rv r rr � s rr rC c @ s e Zd ZdZedd� �ZdS )� ForkProcessrz c C s ddl m} || �S �Nr )�Popen)� popen_forkr� �ro r� r r r rn s zForkProcess._PopenNrp r r r r r� s r� c @ s e Zd ZdZedd� �ZdS )� SpawnProcessrI c C s ddl m} || �S r� )�popen_spawn_posixr� r� r r r rn s �SpawnProcess._PopenNrp r r r r r� s r� c @ s e Zd ZdZedd� �ZdS )�ForkServerProcessrS c C s ddl m} || �S r� )�popen_forkserverr� r� r r r rn s zForkServerProcess._PopenNrp r r r r r� s r� c @ s e Zd ZdZeZdS )� ForkContextrz N)r r r r[ r� rl r r r r r� % s r� c @ s e Zd ZdZeZdS �� SpawnContextrI N�r r r r[ r� rl r r r r r� ) s r� c @ s e Zd ZdZeZdd� ZdS )�ForkServerContextrS c C s t jstd��d S )Nz%forkserver start method not available)r r{ rW rd r r r rX 0 s z"ForkServerContext._check_availableN)r r r r[ r� rl rX r r r r r� - s r� )rz rI rS ry rI rz c @ s e Zd ZdZedd� �ZdS )r� rI c C s ddl m} || �S r� )Zpopen_spawn_win32r� r� r r r rn D s r� Nrp r r r r r� B s c @ s e Zd ZdZeZdS r� r� r r r r r� I s c C s t | t_d S rZ )rU rm rs )rY r r r �_force_start_methodV s r� c C s t tdd �S )N�spawning_popen)rH �_tlsr r r r �get_spawning_popen_ s r� c C s | t _d S rZ )r� r� )�popenr r r �set_spawning_popenb s r� c C s t � d u r tdt| �j ��d S )NzF%s objects should only be shared between processes through inheritance)r� rx �typer )�objr r r �assert_spawninge s ��r� ) r rF � threadingrN r r �__all__� Exceptionr r r r �objectr � BaseProcessrl rr rG r� r� r� r� r� r� rU rm r� �localr� r� r� r� r r r r �<module> sJ ?, � �
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