Mini Shell
U
��eg� � @ s� d Z ddlZddlZddlmZ ddlmZ ddlmZ ddlmZ ddlm Z ej
Z
ej Z ej Z G d d
� d
ej
ej�ZG d d � d �Zddddejfd
d�Zddddejd�dd�ZdS ))�create_subprocess_exec�create_subprocess_shell� N� )�events)� protocols)�streams)�tasks)�loggerc sX e Zd ZdZ� fdd�Zdd� Zdd� Zdd � Zd
d � Zd d
� Z dd� Z
dd� Z � Z S )�SubprocessStreamProtocolz0Like StreamReaderProtocol, but for a subprocess.c sH t � j|d� || _d | _ | _| _d | _d| _g | _| j �
� | _ d S )N��loopF) �super�__init__�_limit�stdin�stdout�stderr�
_transport�_process_exited� _pipe_fds�_loopZ
create_future�
_stdin_closed)�self�limitr �� __class__� �1/opt/cppython/lib/python3.8/asyncio/subprocess.pyr s z!SubprocessStreamProtocol.__init__c C sn | j jg}| jd k r&|�d| j��� | jd k rB|�d| j��� | jd k r^|�d| j��� d�d�|��S )Nzstdin=zstdout=zstderr=z<{}>� )r �__name__r �appendr r �format�join)r �infor r r �__repr__ s
z!SubprocessStreamProtocol.__repr__c C s� || _ |�d�}|d k rDtj| j| jd�| _| j�|� | j� d� |�d�}|d k r�tj| j| jd�| _
| j
�|� | j� d� |�d�}|d k r�tj || d | jd�| _ d S )Nr �r r � r )�protocol�readerr )
r �get_pipe_transportr � StreamReaderr r r Z
set_transportr r r � StreamWriterr )r � transportZstdout_transportZstderr_transportZstdin_transportr r r �connection_made) s,
�
�
�z(SubprocessStreamProtocol.connection_madec C s: |dkr| j }n|dkr | j}nd }|d k r6|�|� d S )Nr r& )r r Z feed_data)r �fd�datar( r r r �pipe_data_receivedA s z+SubprocessStreamProtocol.pipe_data_receivedc C s� |dkrN| j }|d k r |�� | �|� |d kr>| j�d � n | j�|� d S |dkr^| j}n|dkrn| j}nd }|d k r�|d kr�|�� n
|�|� || j kr�| j �
|� | � � d S )Nr r r& ) r �closeZconnection_lostr �
set_result�
set_exceptionr r Zfeed_eofr �remove�_maybe_close_transport)r r. �exc�piper( r r r �pipe_connection_lostK s*
z-SubprocessStreamProtocol.pipe_connection_lostc C s d| _ | �� d S )NT)r r5 �r r r r �process_exitedf s z'SubprocessStreamProtocol.process_exitedc C s( t | j�dkr$| jr$| j�� d | _d S )Nr )�lenr r r r1 r9 r r r r5 j s
z/SubprocessStreamProtocol._maybe_close_transportc C s || j kr| jS d S �N)r r )r �streamr r r �_get_close_waitero s
z*SubprocessStreamProtocol._get_close_waiter)
r �
__module__� __qualname__�__doc__r r$ r- r0 r8 r: r5 r> �
__classcell__r r r r r
s
r
c @ sj e Zd Zdd� Zdd� Zedd� �Zdd� Zd d
� Zd d � Z d
d� Z
dd� Z dd� Z dd� Z
ddd�ZdS )�Processc C s8 || _ || _|| _|j| _|j| _|j| _|�� | _d S r< )r Z _protocolr r r r Zget_pid�pid)r r, r' r r r r r u s zProcess.__init__c C s d| j j� d| j� d�S )N�<r �>)r r rD r9 r r r r$ ~ s zProcess.__repr__c C s
| j �� S r< )r Zget_returncoder9 r r r �
returncode� s zProcess.returncodec � s | j �� I dH S )z?Wait until the process exit and return the process return code.N)r �_waitr9 r r r �wait� s z Process.waitc C s | j �|� d S r< )r � send_signal)r �signalr r r rJ � s zProcess.send_signalc C s | j �� d S r< )r � terminater9 r r r rL � s zProcess.terminatec C s | j �� d S r< )r �killr9 r r r rM � s z Process.killc
� s� | j �� }| j�|� |r,t�d| t|�� z| j�� I d H W n8 tt fk
rx } z|rht�d| |� W 5 d }~X Y nX |r�t�d| � | j�
� d S )Nz%%r communicate: feed stdin (%s bytes)z %r communicate: stdin got %rz%r communicate: close stdin) r � get_debugr �writer �debugr; Zdrain�BrokenPipeError�ConnectionResetErrorr1 )r �inputrP r6 r r r � _feed_stdin� s
� zProcess._feed_stdinc � s d S r< r r9 r r r �_noop� s z
Process._noopc � s� | j �|�}|dkr | j}n|dks(t�| j}| j�� rV|dkrDdnd}t�d| |� |� � I d H }| j�� r�|dkrzdnd}t�d| |� |�
� |S )Nr& r r r z%r communicate: read %sz%r communicate: close %s) r r) r �AssertionErrorr r rN r rP �readr1 )r r. r, r= �name�outputr r r � _read_stream� s
zProcess._read_streamNc � s� |d k r| � |�}n| �� }| jd k r2| �d�}n| �� }| jd k rP| �d�}n| �� }tj|||| jd�I d H \}}}| �� I d H ||fS )Nr r& r ) rT rU r rZ r r Zgatherr rI )r rS r r r r r r � communicate� s
�zProcess.communicate)N)r r? r@ r r$ �propertyrG rI rJ rL rM rT rU rZ r[ r r r r rC t s
rC c
� sb �d krt �� �ntjdtdd� � �fdd�}�j|| f|||d�|��I d H \}} t|| ��S )N�ZThe loop argument is deprecated since Python 3.8 and scheduled for removal in Python 3.10.r& ��
stacklevelc s t � �d�S �Nr% �r
r r% r r �<lambda>� s �z)create_subprocess_shell.<locals>.<lambda>�r r r )r �get_event_loop�warnings�warn�DeprecationWarningZsubprocess_shellrC )
�cmdr r r r r �kwds�protocol_factoryr, r' r r% r r � s$
�� ��r )r r r r r c � sf �d krt �� �ntjdtdd� � �fdd�}�j|| f|�|||d�|��I d H \} }
t| |
��S )Nr] r& r^ c s t � �d�S r` ra r r% r r rb � s �z(create_subprocess_exec.<locals>.<lambda>rc )r rd re rf rg Zsubprocess_execrC ) Zprogramr r r r r �argsri rj r, r' r r% r r � s(
��� ��r )�__all__�
subprocessre � r r r r �logr �PIPE�STDOUT�DEVNULLZFlowControlMixinZSubprocessProtocolr
rC Z_DEFAULT_LIMITr r r r r r �<module> s. �bV �
�
Zerion Mini Shell 1.0