a
    ze                     @   s   d Z ddlZddlZddlmZ ddlmZ ddlmZ ddlmZ ddlm	Z	 ej
Z
ejZejZG d	d
 d
ejejZG dd dZddddejfddZddddejdddZdS ))create_subprocess_execcreate_subprocess_shell    N   )events)	protocols)streams)tasks)loggerc                       sX   e Zd ZdZ fddZdd Zdd Zdd	 Zd
d Zdd Z	dd Z
dd 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__ (/usr/lib/python3.9/asyncio/subprocess.pyr      s    z!SubprocessStreamProtocol.__init__c                 C   sn   | j jg}| jd ur&|d| j | jd urB|d| j | jd ur^|d| j dd|S )Nzstdin=zstdout=zstderr=z<{}> )r   __name__r   appendr   r   formatjoin)r   infor   r   r   __repr__   s    



z!SubprocessStreamProtocol.__repr__c                 C   s   || _ |d}|d urDtj| j| jd| _| j| | j	d |d}|d urtj| j| jd| _
| j
| | j	d |d}|d urtj|| d | jd| _d S )Nr   r   r      r   )protocolreaderr   )r   get_pipe_transportr   StreamReaderr   r   r   Zset_transportr   r    r   StreamWriterr   )r   	transportZstdout_transportZstderr_transportZstdin_transportr   r   r   connection_made)   s,    


z(SubprocessStreamProtocol.connection_madec                 C   s:   |dkr| j }n|dkr | j}nd }|d u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   |dkrN| j }|d ur|  | | |d u r>| jd  n| j| d S |dkr^| j}n|dkrn| j}nd }|d ur|d u r|  n
|| || j	v r| j	
| |   d S )Nr   r   r&   )r   closeZconnection_lostr   
set_resultset_exceptionr   r   Zfeed_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dkr$| jr$| j  d | _d S )Nr   )lenr   r   r   r1   r9   r   r   r   r5   j   s    
z/SubprocessStreamProtocol._maybe_close_transportc                 C   s   || j u r| jS d S N)r   r   )r   streamr   r   r   _get_close_waitero   s    
z*SubprocessStreamProtocol._get_close_waiter)r   
__module____qualname____doc__r   r$   r-   r0   r8   r:   r5   r>   __classcell__r   r   r   r   r
      s   	

r
   c                   @   sj   e Zd Zdd Zdd Zedd Zdd Zd	d
 Zdd Z	dd Z
dd Zdd Zdd ZdddZdS )Processc                 C   s8   || _ || _|| _|j| _|j| _|j| _| | _d S r<   )r   Z	_protocolr   r   r   r   Zget_pidpid)r   r,   r'   r   r   r   r   r   u   s    zProcess.__init__c                 C   s   d| j j d| j dS )N<r   >)r   r   rD   r9   r   r   r   r$   ~   s    zProcess.__repr__c                 C   s
   | j  S r<   )r   Zget_returncoder9   r   r   r   
returncode   s    zProcess.returncodec                    s   | j  I dH 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    zProcess.send_signalc                 C   s   | j   d S r<   )r   	terminater9   r   r   r   rL      s    zProcess.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 n: tt	fyz } z|rftd| | W Y d }~n
d }~0 0 |rt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;   ZdrainBrokenPipeErrorConnectionResetErrorr1   )r   inputrP   r6   r   r   r   _feed_stdin   s    

$zProcess._feed_stdinc                    s   d S r<   r   r9   r   r   r   _noop   s    zProcess._noopc                    s   | j |}|dkr| j}n|dks(J | j}| j rV|dkrDdnd}td| | | I d H }| j r|dkrzdnd}td| | |	  |S )Nr&   r   r   r   z%r communicate: read %sz%r communicate: close %s)
r   r)   r   r   r   rN   r	   rP   readr1   )r   r.   r,   r=   nameoutputr   r   r   _read_stream   s    

zProcess._read_streamNc                    s   |d ur|  |}n|  }| jd ur2| d}n|  }| jd urP| d}n|  }tj|||| jdI d H \}}}|  I d H  ||fS )Nr   r&   r   )	rT   rU   r   rY   r   r   Z_gatherr   rI   )r   rS   r   r   r   r   r   r   communicate   s    


zProcess.communicate)N)r   r?   r@   r   r$   propertyrG   rI   rJ   rL   rM   rT   rU   rY   rZ   r   r   r   r   rC   t   s   	
rC   c           
         sb   d u rt  ntjdtdd  fdd}j|| f|||d|I d H \}}	t||	S )NZThe 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DeprecationWarningZsubprocess_shellrC   )
cmdr   r   r   r   r   kwdsprotocol_factoryr,   r'   r   r%   r   r      s"    
r   )r   r   r   r   r   c                   sh   d u rt  ntjdtdd  fdd}j|| g|R |||d|I d H \}	}
t|	|
S )Nr\   r&   r]   c                      s   t  dS r_   r`   r   r%   r   r   ra      s   z(create_subprocess_exec.<locals>.<lambda>rb   )r   rc   rd   re   rf   Zsubprocess_execrC   )Zprogramr   r   r   r   r   argsrh   ri   r,   r'   r   r%   r   r      s&    
r   )__all__
subprocessrd    r   r   r   r   logr	   PIPESTDOUTDEVNULLZFlowControlMixinZSubprocessProtocolr
   rC   Z_DEFAULT_LIMITr   r   r   r   r   r   <module>   s*   bV
