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This is used only when --bg option is given. z--no-raise-error� store_false� raise_errorz�Whether you should raise an error message in addition to a stream on stderr if you get a nonzero exit code. )r �destr )r �argument�str)�f�args�arg� r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/IPython/core/magics/script.py� script_args s0 ������# r c s� e Zd ZdZedd�Zedd�jdd�Ze d�dd � �Z e d d�jdd�Z d"� fd d � Z dd� Zdd� Zdd� Ze�� eed�dd� ���Zejdke_dd� Zed�d#d d ��Zd d � Zd d!� Z � Z S )$� ScriptMagicsz�Magics for talking to scripts This defines a base `%%script` cell magic for running a cell with a program in a subprocess, and registers a few top-level magics that call %%script with common interpreters. z� The event loop on which to run subprocesses Not the main event loop, because we want to be able to make blocking calls and have certain requirements we don't want to impose on the main loop. )r z�Extra script cell magics to define This generates simple wrappers of `%%script foo` as `%%foo`. 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Z cell_magicsr, r r r r4 � s z$ScriptMagics._generate_script_magicsc s@ �j �||�� t�� t� �fdd���}djf i t� ��|_|S )zAmake a named magic, that calls %%script with a particular programc s" | rd� | f } n� } �� | |�S )Nz%s %s)�shebang)�liner> ��scriptr. r r �named_script_magic� s z;ScriptMagics._make_script_magic.<locals>.named_script_magicz�%%{name} script magic Run cells with {script} in a subprocess. 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Examples -------- :: In [1]: %%script bash ...: for i in 1 2 3; do ...: echo $i ...: done 1 2 3 N�win32T)�target�daemonc s t �| � ��� S )z&Call a coroutine on the asyncio thread)�asyncioZrun_coroutine_threadsafe�result)�coro)� event_loopr r � in_thread� s z'ScriptMagics.shebang.<locals>.in_threadc � s~ z| � d�I d H W S tjjy@ } z|jW Y d }~S d }~0 tjjyx } z | �|j�I d H W Y d }~S d }~0 0 d S )N� )Z readuntilrM � exceptionsZIncompleteReadError�partialZLimitOverrunError�read�consumed)�stream�er r r � _readchunk� s z(ScriptMagics.shebang.<locals>._readchunkc � sH � | �I d H j ddd�}|s qD|r0|�jj|< q |�|� |�� q d S )N�utf8�replace)�errors)�decoder1 �user_ns�write�flush)rW Z stream_argZ file_object�chunk)rY r. r r �_handle_stream� s z,ScriptMagics.shebang.<locals>._handle_streamc � sl | j �|� | j �� t�� | j�jtj��}t�� | j�j tj��}t� ||g�I d H | � � I d H d S r; ) �stdinr_ �closerM Z create_task�stdout�out�sys�stderr�err�wait)�processr> Z stdout_taskZ stderr_task)rb r r r �_stream_communicate� s ��z1ScriptMagics.shebang.<locals>._stream_communicate�win)�posix)re rh rc zCouldn't find program: %rr � rZ r[ c s t ����� ���S r; )rM �Task� _run_scriptr )r> �pr. �to_closer r �<lambda> � z&ScriptMagics.shebang.<locals>.<lambda>皙�����?)�timeoutzProcess is interrupted.zProcess is terminated.zProcess is killed.z/Error while terminating subprocess (pid=%i): %si����)1rP rg �platformrM Z WindowsProactorEventLoopPolicyZnew_event_loopr Z run_forever�startr � startswithr@ �parser�parse_known_argsZcreate_subprocess_exec� subprocess�PIPE�OSError�errno�ENOENT�print�endswith�encode�bgr5 �append�_gc_bg_processesrf r re r1 r^ ri rh Zcall_soon_threadsafe�proc�KeyboardInterrupt� send_signal�signal�SIGINT�wait_forrj � returncode� terminate�kill� Exception�pidr r ) r. rA r> Zasyncio_threadrQ rl �argvr* rX Z proc_proxy�rcr )rb rY r r> rP rr r. rs r r@ � s� �� � ( zScriptMagics.shebangrn c � sh |j �|� |j �� I dH |j �� |j �� I dH |�� I dH |D ]}|�� I dH qH| �� dS )z1callback for running the script in the backgroundN)rc r_ Zdrainrd Z wait_closedrj rU r� )r. rr r> rs �sr r r rq > s zScriptMagics._run_script� killbgscripts� c C s | � � td� dS )z9Kill all BG processes started by %%script and its family.z%All background processes were killed.N)r8 r� )r. Z_nouse_r r r r� L s zScriptMagics.killbgscriptsc C s� | j s dS | j D ],}|jdu rz|�tj� W q Y q0 qt�d� | �� | j sZdS | j D ](}|jdu r`z |�� W q` Y q`0 q`t�d� | �� | j s�dS | j D ](}|jdu r�z |� � W q� Y q�0 q�| �� dS )z.Kill all BG processes which are still running.Nrv ) r5 r� r� r� r� �time�sleepr� r� r� )r. rr r r r r8 R s: z ScriptMagics.kill_bg_processesc C s dd� | j D �| _ d S )Nc S s g | ]}|j d u r|�qS r; )r� )�.0rr r r r � <listcomp>s ru z1ScriptMagics._gc_bg_processes.<locals>.<listcomp>)r5 r< r r r r� r s z ScriptMagics._gc_bg_processes)N)r� ) �__name__� __module__� __qualname__rI r rP r �tagr r r0 r rE r3 r= r4 r? r r r r@ r+ r, Z__skip_doctest__rq r r� r8 r� � __classcell__r r r9 r r F s> � �� �� r ) rI rM Zasyncio.exceptionsr6 r� r+ r� rg r� r} r � threadingr Z traitletsr r r r Z IPython.corer ZIPython.core.async_helpersr ZIPython.core.magicr r r r ZIPython.utils.processr r r r r r r �<module> s$ *
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