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Editing: subprocess.cpython-36.pyc
3 � f�� � @ s8 d Z ddlZejdkZddlZddlZddlZddlZddlZddl Z ddl Z ddlm Z G dd� de �ZG dd� de�ZG d d � d e�Zer�ddlZddlZddlZG d d � d �ZnhddlZddlZddlZy ddlZW n ek r� ddlZY nX eed d�Ze ed��rej Z nej Z ddddddddddddd dgZ e�r�ddlm!Z!m"Z"m#Z#m$Z$m%Z%m&Z&m'Z'm(Z( e j)d d d d d d!d"d#d g � G d$d%� d%e*�Z+g Z,d&d'� Z-d<Z.d=Z/d>Z0d+d,� Z1d-d.� Z2dd/�d0d�Z3d1d� Z4dd/�d2d�Z5G d3d� de6�Z7ddd4d5�d6d�Z8d7d8� Z9d9d� Z:d:d� Z;e6� Z<G d;d� de6�Z=dS )?a� Subprocesses with accessible I/O streams This module allows you to spawn processes, connect to their input/output/error pipes, and obtain their return codes. For a complete description of this module see the Python documentation. Main API ======== run(...): Runs a command, waits for it to complete, then returns a CompletedProcess instance. Popen(...): A class for flexibly executing a command in a new process Constants --------- DEVNULL: Special value that indicates that os.devnull should be used PIPE: Special value that indicates a pipe should be created STDOUT: Special value that indicates that stderr should go to stdout Older API ========= call(...): Runs a command, waits for it to complete, then returns the return code. check_call(...): Same as call() but raises CalledProcessError() if return code is not 0 check_output(...): Same as check_call() but returns the contents of stdout instead of a return code getoutput(...): Runs a command in the shell, waits for it to complete, then returns the output getstatusoutput(...): Runs a command in the shell, waits for it to complete, then returns a (exitcode, output) tuple � NZwin32)� monotonicc @ s e Zd ZdS )�SubprocessErrorN)�__name__� __module__� __qualname__� r r �//opt/alt/python36/lib64/python3.6/subprocess.pyr 9 s r c @ s< e Zd ZdZd dd�Zdd� Zedd� �Zejd d� �ZdS ) �CalledProcessErrorz�Raised when run() is called with check=True and the process returns a non-zero exit status. Attributes: cmd, returncode, stdout, stderr, output Nc C s || _ || _|| _|| _d S )N)� returncode�cmd�output�stderr)�selfr r r r r r r �__init__C s zCalledProcessError.__init__c C sb | j rN| j dk rNyd| jtj| j �f S tk rJ d| j| j f S X nd| j| j f S d S )Nr zCommand '%s' died with %r.z)Command '%s' died with unknown signal %d.z.Command '%s' returned non-zero exit status %d.)r r �signalZSignals� ValueError)r r r r �__str__I s zCalledProcessError.__str__c C s | j S )z+Alias for output attribute, to match stderr)r )r r r r �stdoutU s zCalledProcessError.stdoutc C s || _ d S )N)r )r �valuer r r r Z s )NN) r r r �__doc__r r �propertyr �setterr r r r r < s r c @ s< e Zd ZdZd dd�Zdd� Zedd� �Zejd d� �ZdS ) �TimeoutExpiredz�This exception is raised when the timeout expires while waiting for a child process. Attributes: cmd, output, stdout, stderr, timeout Nc C s || _ || _|| _|| _d S )N)r �timeoutr r )r r r r r r r r r h s zTimeoutExpired.__init__c C s d| j | jf S )Nz'Command '%s' timed out after %s seconds)r r )r r r r r n s zTimeoutExpired.__str__c C s | j S )N)r )r r r r r r s zTimeoutExpired.stdoutc C s || _ d S )N)r )r r r r r r v s )NN) r r r r r r r r r r r r r r a s r c @ s e Zd ZdZdZdZdZdZdS )� STARTUPINFOr N)r r r �dwFlags� hStdInput� hStdOutput� hStdError� wShowWindowr r r r r � s r ZPIPE_BUFi � PollSelector�Popen�PIPE�STDOUT�call� check_call�getstatusoutput� getoutput� check_output�run�DEVNULL�CompletedProcess)�CREATE_NEW_CONSOLE�CREATE_NEW_PROCESS_GROUP�STD_INPUT_HANDLE�STD_OUTPUT_HANDLE�STD_ERROR_HANDLE�SW_HIDE�STARTF_USESTDHANDLES�STARTF_USESHOWWINDOWr, r- r. r/ r0 r1 r2 r3 c @ s6 e Zd ZdZejfdd�Zdd� Zdd� ZeZ eZ dS ) �HandleFc C s | j sd| _ || � d S )NT)�closed)r � CloseHandler r r �Close� s z Handle.Closec C s | j sd| _ t| �S td��d S )NTzalready closed)r5 �intr )r r r r �Detach� s z Handle.Detachc C s d| j jt| �f S )Nz%s(%d))� __class__r r8 )r r r r �__repr__� s zHandle.__repr__N) r r r r5 �_winapir6 r7 r9 r; �__del__r r r r r r4 � s r4 c C sT xNt d d � D ]>} | jtjd�}|d k ryt j| � W q tk rJ Y qX qW d S )N)� _deadstate)�_active�_internal_poll�sys�maxsize�remover )Zinst�resr r r �_cleanup� s rE � � � c C s* g } t jj}|dkr&| jdd| � | S )zgReturn a list of command-line arguments reproducing the current optimization settings in sys.flags.r �-�O)rA �flags�optimize�append)�argsr r r r �"_optim_args_from_interpreter_flags� s rO c C s ddddddd�} t � }x:| j� D ].\}}ttj|�}|dkr"|jd || � q"W tjjrh|jd � n$tjjrz|jd � tjjr�|jd � x tj D ]}|jd | � q�W ttdi �}xDdD ]<}||kr�|| }|dkr�|}n d||f }|j d|f� q�W |S )z}Return a list of command-line arguments reproducing the current settings in sys.flags, sys.warnoptions and sys._xoptions.�d�B�S�v�b�q)�debug�dont_write_bytecode�no_site�verbose� bytes_warning�quietr rI z-Iz-Ez-sz-W� _xoptions� faulthandler� tracemalloc�showalloccount� showrefcount�utf8Tz%s=%sz-X)r] r^ r_ r` ra ) rO �items�getattrrA rK rM �isolated�ignore_environment� no_user_site� warnoptions�extend)Z flag_opt_maprN �flagZoptrS Zxoptionsr �argr r r � _args_from_interpreter_flags� s: rk )r c O sF t ||��2}y |j| d�S |j� |j� � Y nX W dQ R X dS )z�Run command with arguments. Wait for command to complete or timeout, then return the returncode attribute. The arguments are the same as for the Popen constructor. Example: retcode = call(["ls", "-l"]) )r N)r! �wait�kill)r � popenargs�kwargs�pr r r r$ s c O s6 t | |�}|r2|jd�}|dkr(| d }t||��dS )aO Run command with arguments. Wait for command to complete. If the exit code was zero then return, otherwise raise CalledProcessError. The CalledProcessError object will have the return code in the returncode attribute. The arguments are the same as for the call function. Example: check_call(["ls", "-l"]) rN Nr )r$ �getr )rn ro �retcoder r r r r% ( s c O sT d|krt d��d|kr<|d dkr<|jdd�r4dnd|d< t|t| d d �|��jS ) a( Run command with arguments and return its output. If the exit code was non-zero it raises a CalledProcessError. The CalledProcessError object will have the return code in the returncode attribute and output in the output attribute. The arguments are the same as for the Popen constructor. Example: >>> check_output(["ls", "-l", "/dev/null"]) b'crw-rw-rw- 1 root root 1, 3 Oct 18 2007 /dev/null\n' The stdout argument is not allowed as it is used internally. To capture standard error in the result, use stderr=STDOUT. >>> check_output(["/bin/sh", "-c", ... "ls -l non_existent_file ; exit 0"], ... stderr=STDOUT) b'ls: non_existent_file: No such file or directory\n' There is an additional optional argument, "input", allowing you to pass a string to the subprocess's stdin. If you use this argument you may not also use the Popen constructor's "stdin" argument, as it too will be used internally. Example: >>> check_output(["sed", "-e", "s/foo/bar/"], ... input=b"when in the course of fooman events\n") b'when in the course of barman events\n' If universal_newlines=True is passed, the "input" argument must be a string and the return value will be a string rather than bytes. r z3stdout argument not allowed, it will be overridden.�inputN�universal_newlinesF� � T)r r �check)r rq r) r" r )r rn ro r r r r( ; s c @ s* e Zd ZdZd dd�Zdd� Zdd� ZdS ) r+ aE A process that has finished running. This is returned by run(). Attributes: args: The list or str args passed to run(). returncode: The exit code of the process, negative for signals. stdout: The standard output (None if not captured). stderr: The standard error (None if not captured). Nc C s || _ || _|| _|| _d S )N)rN r r r )r rN r r r r r r r r s zCompletedProcess.__init__c C sh dj | j�dj | j�g}| jd k r4|jdj | j�� | jd k rP|jdj | j�� dj t| �jdj|��S )Nz args={!r}zreturncode={!r}z stdout={!r}z stderr={!r}z{}({})z, ) �formatrN r r rM r �typer �join)r rN r r r r; x s zCompletedProcess.__repr__c C s | j r t| j | j| j| j��dS )z6Raise CalledProcessError if the exit code is non-zero.N)r r rN r r )r r r r �check_returncode� s z!CompletedProcess.check_returncode)NN)r r r r r r; r{ r r r r r+ g s F)rs r rw c O s� | dk r d|krt d��t|d< t||���}y|j| |d�\}}W nV tk r| |j� |j� \}}t|j|||d��Y n |j� |j� � Y nX |j� }|r�|r�t ||j||d��W dQ R X t |j|||�S )af Run command with arguments and return a CompletedProcess instance. The returned instance will have attributes args, returncode, stdout and stderr. By default, stdout and stderr are not captured, and those attributes will be None. Pass stdout=PIPE and/or stderr=PIPE in order to capture them. If check is True and the exit code was non-zero, it raises a CalledProcessError. The CalledProcessError object will have the return code in the returncode attribute, and output & stderr attributes if those streams were captured. If timeout is given, and the process takes too long, a TimeoutExpired exception will be raised. There is an optional argument "input", allowing you to pass a string to the subprocess's stdin. If you use this argument you may not also use the Popen constructor's "stdin" argument, as it will be used internally. The other arguments are the same as for the Popen constructor. If universal_newlines=True is passed, the "input" argument must be a string and stdout/stderr in the returned object will be strings rather than bytes. N�stdinz/stdin and input arguments may not both be used.)r )r r ) r r" r! � communicater rm rN rl �pollr r+ ) rs r rw rn ro Zprocessr r rr r r r r) � s* c C s� g }d}x�| D ]�}g }|r$|j d� d|kp8d|kp8| }|rH|j d� xj|D ]b}|dkrf|j |� qN|dkr�|j dt|� d � g }|j d� qN|r�|j|� g }|j |� qNW |r�|j|� |r|j|� |j d� qW dj|�S ) a� Translate a sequence of arguments into a command line string, using the same rules as the MS C runtime: 1) Arguments are delimited by white space, which is either a space or a tab. 2) A string surrounded by double quotation marks is interpreted as a single argument, regardless of white space contained within. A quoted string can be embedded in an argument. 3) A double quotation mark preceded by a backslash is interpreted as a literal double quotation mark. 4) Backslashes are interpreted literally, unless they immediately precede a double quotation mark. 5) If backslashes immediately precede a double quotation mark, every pair of backslashes is interpreted as a literal backslash. If the number of backslashes is odd, the last backslash escapes the next double quotation mark as described in rule 3. F� � �"�\rG z\"ru )rM �lenrh rz )�seq�resultZ needquoterj Zbs_buf�cr r r � list2cmdline� s4 r� c C sl yt | ddtd�}d}W n. tk rF } z|j}|j}W Y dd}~X nX |dd� dkrd|dd� }||fS ) a� Return (exitcode, output) of executing cmd in a shell. Execute the string 'cmd' in a shell with 'check_output' and return a 2-tuple (status, output). The locale encoding is used to decode the output and process newlines. A trailing newline is stripped from the output. The exit status for the command can be interpreted according to the rules for the function 'wait'. Example: >>> import subprocess >>> subprocess.getstatusoutput('ls /bin/ls') (0, '/bin/ls') >>> subprocess.getstatusoutput('cat /bin/junk') (1, 'cat: /bin/junk: No such file or directory') >>> subprocess.getstatusoutput('/bin/junk') (127, 'sh: /bin/junk: not found') >>> subprocess.getstatusoutput('/bin/kill $$') (-15, '') T)�shellrt r r NrF � ���r� )r( r# r r r )r �dataZexitcodeZexr r r r& s c C s t | �d S )a% Return output (stdout or stderr) of executing cmd in a shell. Like getstatusoutput(), except the exit status is ignored and the return value is a string containing the command's output. Example: >>> import subprocess >>> subprocess.getoutput('ls /bin/ls') '/bin/ls' rF )r& )r r r r r' " s c @ s� e Zd ZdZdZd?dddddeddddddddf fddd�dd �Zd d � Zd d � Zdd� Z e j e j fdd�Zdd� Zdd� Zd@dd�Zdd� Zdd� Zd d � Ze�rd d � Zd d!� Zd"d#� Zdejejej fd$d%�Z dAd&d'�Z d(d)� Z d*d+� Z d,d-� Z!d.d/� Z"e"Z#n�d0d � Zd1d#� Ze$j%e$j&e$j'e$j(e$j)e$j*fd2d3�Z+de$j,e$j-e.j/fd4d%�Z d5d6� Z0dBd7d'�Z d8d+� Z d9d:� Z1d;d-� Z!d<d/� Z"d=d>� Z#dS )Cr! a� Execute a child program in a new process. For a complete description of the arguments see the Python documentation. Arguments: args: A string, or a sequence of program arguments. bufsize: supplied as the buffering argument to the open() function when creating the stdin/stdout/stderr pipe file objects executable: A replacement program to execute. stdin, stdout and stderr: These specify the executed programs' standard input, standard output and standard error file handles, respectively. preexec_fn: (POSIX only) An object to be called in the child process just before the child is executed. close_fds: Controls closing or inheriting of file descriptors. shell: If true, the command will be executed through the shell. cwd: Sets the current directory before the child is executed. env: Defines the environment variables for the new process. universal_newlines: If true, use universal line endings for file objects stdin, stdout and stderr. startupinfo and creationflags (Windows only) restore_signals (POSIX only) start_new_session (POSIX only) pass_fds (POSIX only) encoding and errors: Text mode encoding and error handling to use for file objects stdin, stdout and stderr. Attributes: stdin, stdout, stderr, pid, returncode FrF Nr T)�encoding�errorsc C sr t � tj� | _d| _d| _|dkr(d}t|t�s:td��t r�|dk rNt d��|dk pd|dk pd|dk }|t kr~|rxd}q�d}q�|r�|r�t d��nF|t kr�d}|r�| r�t j dt� d}| dk r�t d ��|d kr�t d ��|| _d| _d| _d| _d| _d| _| | _|| _|| _| j|||�\}}}}}}t �rz|dk�rFtj|j� d �}|dk�r`tj|j� d �}|dk�rztj|j� d �}|�p�|�p�| }d| _ y�|dk�r�t j |d |�| _|�r�t j | jd|dk||d �| _|dk�rt j |d|�| _|�rt j | j||d�| _|dk�r6t j |d|�| _|�r6t j | j||d�| _| j |||||| | | || ||||||||� W �n xDt!d| j| j| jf�D ]*} y | j"� W n t#k �r� Y nX �q�W | j �sfg } |t$k�r�| j%|� |t$k�r�| j%|� |t$k�r�| j%|� t&| d��r| j%| j'� xP| D ]H} y*t �r<t| t(��r<| j)� n t*j"| � W n t#k �r^ Y nX �qW � Y nX dS )zCreate new Popen instance.NFrF zbufsize must be an integerz0preexec_fn is not supported on Windows platformsTzSclose_fds is not supported on Windows platforms if you redirect stdin/stdout/stderrz pass_fds overriding close_fds.z2startupinfo is only supported on Windows platformsr z4creationflags is only supported on Windows platforms�wb)� write_through�line_bufferingr� r� �rb)r� r� �_devnullr� r� r� r� r� r� r� )+rE � threadingZLock� _waitpid_lock�_input�_communication_started� isinstancer8 � TypeError� _mswindowsr �_PLATFORM_DEFAULT_CLOSE_FDS�warnings�warn�RuntimeWarningrN r| r r �pidr rt r� r� � _get_handles�msvcrtZopen_osfhandler9 �_closed_child_pipe_fds�io�open� TextIOWrapper�_execute_child�filter�close�OSErrorr" rM �hasattrr� r4 r7 �os) r rN �bufsize� executabler| r r � preexec_fn� close_fdsr� �cwd�envrt � startupinfo� creationflags�restore_signals�start_new_session�pass_fdsr� r� Z any_stdio_set�p2cread�p2cwrite�c2pread�c2pwrite�errread�errwriteZ text_mode�fZto_close�fdr r r r ` s� zPopen.__init__c C s |j ||�}|jdd�jdd�S )Nz r� � )�decode�replace)r r� r� r� r r r �_translate_newlines� s zPopen._translate_newlinesc C s | S )Nr )r r r r � __enter__� s zPopen.__enter__c C sD | j r| j j� | jr | jj� z| jr2| jj� W d | j� X d S )N)r r� r r| rl )r ry r � tracebackr r r �__exit__� s zPopen.__exit__c C sT | j s d S | jd kr(|d| j t| d� | j|d� | jd krPtd k rPtj| � d S )Nz subprocess %s is still running)�source)r> )�_child_createdr r� �ResourceWarningr@ r? rM )r Z_maxsizeZ_warnr r r r= s z Popen.__del__c C s" t | d�s tjtjtj�| _| jS )Nr� )r� r� r� �devnull�O_RDWRr� )r r r r � _get_devnull s zPopen._get_devnullc C s� |rZy| j j|� W nD tk r( Y n2 tk rX } z|jtjkrFn� W Y d d }~X nX y| j j� W nD tk r| Y n2 tk r� } z|jtjkr�n� W Y d d }~X nX d S )N)r| �write�BrokenPipeErrorr� �errnoZEINVALr� )r rs �excr r r � _stdin_write s" zPopen._stdin_writec C s� | j r|rtd��|dkr�| j r�| j| j| jgjd�dkr�d}d}| jrV| j|� n6| jrr| jj� }| jj� n| jr�| jj� }| jj� | j � nJ|dk r�t � | }nd}z| j |||�\}}W dd| _ X | j | j |�d�}||fS )a4 Interact with process: Send data to stdin. Read data from stdout and stderr, until end-of-file is reached. Wait for process to terminate. The optional "input" argument should be data to be sent to the child process (if self.universal_newlines is True, this should be a string; if it is False, "input" should be bytes), or None, if no data should be sent to the child. communicate() returns a tuple (stdout, stderr). These will be bytes or, if self.universal_newlines was True, a string. z.Cannot send input after starting communicationNrG T)r ) r� r r| r r �countr� �readr� rl �_time� _communicate�_remaining_time)r rs r r r �endtime�stsr r r r} 7 s. zPopen.communicatec C s | j � S )zSCheck if child process has terminated. Set and return returncode attribute.)r@ )r r r r r~ h s z Popen.pollc C s |dkr dS |t � S dS )z5Convenience for _communicate when computing timeouts.N)r� )r r� r r r r� n s zPopen._remaining_timec C s& |dkr dS t � |kr"t| j|��dS )z2Convenience for checking if a timeout has expired.N)r� r rN )r r� � orig_timeoutr r r �_check_timeoutv s zPopen._check_timeoutc C s� |dkr |dkr |dkr d S d \}}d\}}d\}} |dkrtt jt j�}|dkrrt jdd�\}} t|�}t j| � nj|tkr�t jdd�\}}t|�t|� }}n>|tkr�tj | j � �}n&t |t �� r�tj |�}ntj |j � �}| j|�}|dk�r,t jt j�}|dk�r�t jdd�\} }t|�}t j| � nn|tk�rZt jdd�\}}t|�t|� }}n@|tk�rttj | j � �}n&t |t ��r�tj |�}ntj |j � �}| j|�}|dk�r�t jt j�} | dk�rft jdd�\} } t| �} t j| � n~|tk�rt jdd�\}} t|�t| � }} nP|tk�r&|} n@|tk�r@tj | j � �} n&t |t ��rXtj |�} ntj |j � �} | j| �} |||||| fS )z|Construct and return tuple with IO objects: p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite NrF r r� r� r� r� r� r� )r� r� r� r� r� r� r� r� )r� r� r� r� )r� r� r� r� )r� r� )r< Z GetStdHandler. Z CreatePiper4 r6 r" r* r� Z get_osfhandler� r� r8 �fileno�_make_inheritabler/ r0 r# ) r r| r r r� r� r� r� r� r� �_r r r r� � sn zPopen._get_handlesc C s& t jt j� |t j� ddt j�}t|�S )z2Return a duplicate of handle, which is inheritabler rF )r< ZDuplicateHandleZGetCurrentProcessZDUPLICATE_SAME_ACCESSr4 )r Zhandle�hr r r r� � s zPopen._make_inheritablec C sJ | st d��t|t�s t|�}|dkr.t� }d | ||fkr^| jtjO _| |_||_ ||_ | r�| jtj O _tj |_ tjjdd�}dj||�}z>tj||ddt| �| ||dk r�tj|�nd|� \}}}}W d| d kr�| j� |d kr�|j� |d k�r|j� t| d��r tj| j� d| _X d| _t|�| _ || _ tj |� dS ) z$Execute program (MS Windows version)z"pass_fds not supported on Windows.NrF ZCOMSPECzcmd.exez {} /c "{}"r� Tr� r� r� r� ) �AssertionErrorr� �strr� r r r< r2 r r r r3 r1 r r� �environrq rx Z CreateProcessr8 �fspathr7 r� r� r� r� r� r4 �_handler� r6 )r rN r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� Zunused_restore_signalsZunused_start_new_sessionZcomspecZhpZhtr� �tidr r r r� � sH zPopen._execute_childc C s, | j dkr&|| jd�|kr&|| j�| _ | j S )z�Check if child process has terminated. Returns returncode attribute. This method is called by __del__, so it can only refer to objects in its local scope. Nr )r r� )r r> Z_WaitForSingleObjectZ_WAIT_OBJECT_0Z_GetExitCodeProcessr r r r@ s zPopen._internal_pollc C s� |dk r"t jdtdd� | j|�}|dkr2tj}n t|d �}| jdkrztj| j |�}|tj krlt | j |��tj | j �| _| jS )zOWait for child process to terminate. Returns returncode attribute.Nz0'endtime' argument is deprecated; use 'timeout'.rG )� stackleveli� )r� r� �DeprecationWarningr� r< ZINFINITEr8 r �WaitForSingleObjectr� Z WAIT_TIMEOUTr rN �GetExitCodeProcess)r r r� Ztimeout_millisr� r r r rl $ s z Popen.waitc C s |j |j� � |j� d S )N)rM r� r� )r Zfh�bufferr r r � _readerthread: s zPopen._readerthreadc C s` | j rDt| d� rDg | _tj| j| j | jfd�| _d| j_| jj� | j r�t| d� r�g | _ tj| j| j | j fd�| _ d| j _| j j� | j r�| j |� | j d k r�| jj| j|�� | jj� r�t| j|��| j d k r�| j j| j|�� | j j� r�t| j|��d }d }| j �r | j}| j j� | j �r4| j }| j j� |d k �rF|d }|d k �rX|d }||fS )N� _stdout_buff)�targetrN T� _stderr_buffr )r r� r� r� ZThreadr� Z stdout_threadZdaemon�startr r� Z stderr_threadr| r� rz r� Zis_aliver rN r� )r rs r� r� r r r r r r� ? sF zPopen._communicatec C sl | j dk rdS |tjkr"| j� nF|tjkr>tj| jtj� n*|tjkrZtj| jtj� nt dj |���dS )z Send a signal to the process.NzUnsupported signal: {}) r r �SIGTERM� terminateZ CTRL_C_EVENTr� rm r� ZCTRL_BREAK_EVENTr rx )r �sigr r r � send_signals s zPopen.send_signalc C sX | j dk rdS ytj| jd� W n2 tk rR tj| j�}|tjkrH� || _ Y nX dS )zTerminates the process.NrF )r r< ZTerminateProcessr� �PermissionErrorr� Z STILL_ACTIVE)r Zrcr r r r� � s zPopen.terminatec C s. d\}}d\}}d \}} |dkr"n@|t kr8tj� \}}n*|tkrJ| j� }nt|t�rZ|}n|j� }|dkrln@|t kr�tj� \}}n*|tkr�| j� }nt|t�r�|}n|j� }|dkr�nh|t kr�tj� \}} nR|tk� r�|d kr�|} n t j j� } n.|tk�r| j� } nt|t��r|} n|j� } |||||| fS ) z|Construct and return tuple with IO objects: p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite rF Nr� r� )r� r� r� r� )r� r� r� r� )r� r� r� ) r" r� �piper* r� r� r8 r� r# rA � __stdout__) r r| r r r� r� r� r� r� r� r r r r� � sJ c ) " s� t |ttf�r|g}nt|�}| r:ddg| }� r:� |d< � dkrJ|d � � }tj� \}}g }x |dk r~|j|� tj|�}q`W x|D ]}tj|� q�W �z�z�|dk r�g }xL|j � D ]:\}}tj |�}d|kr�t d��|j|d tj |� � q�W nd}tj � �� tj j � ��r� f}n t� fdd �tj|�D ��}t|�} | j|� tj|||tttt| ���||| | | ||||||||�| _d | _W dtj|� X t| d d�} | dk�r�| dk�r�| | k�r�tj| � |dk�r�| dk�r�|| k�r�tj|� |d k�r|d k�r|| k�rtj|� | dk �r.tj| � d | _t� } x2tj |d �} | | 7 } | �sft | �d k�r<P �q<W W dtj|� X | �r�y6tj | jd�\} }!| | jk�r�| j |!� nt j!| _"W n t#k �r� Y nX y | j$dd�\}"}#}$|$j%� }$W n, t k �r d}"d}#dj&t| ��}$Y nX tt'|"j%d�t(�}%t)|%t*��r�|#�r�t|#d�}&|$dk}'|'�rdd}$|}(n|}(|&dk�r�tj+|&�}$|&t,j-k�r�|$dt.|(� 7 }$|%|&|$|(��|%|$��dS ) z Execute program (POSIX version)z/bin/shz-cr NrH � =z!illegal environment variable namec 3 s" | ]}t jjt j|�� �V qd S )N)r� �pathrz �fsencode)�.0�dir)r� r r � <genexpr> s z'Popen._execute_child.<locals>.<genexpr>Tr� rF iP� � :rG s SubprocessError� 0z#Bad exception data from child: {!r}�ascii� Znoexecru z: r� r� r� r� r� r� )/r� r� �bytes�listr� r� rM �dupr� rb r� r r� �dirname�tuple� get_exec_path�set�add�_posixsubprocessZ fork_exec�sorted�mapr8 r� r� rc r� � bytearrayr� r� �waitpid�_handle_exitstatusrA rB r �ChildProcessError�splitr� rx �builtinsr � issubclassr� �strerrorr� �ENOENT�repr))r rN r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� Zorig_executableZ errpipe_readZ errpipe_writeZlow_fds_to_closeZlow_fdZenv_list�krS Zexecutable_listZ fds_to_keepZ devnull_fdZ errpipe_data�partr� r� Zexception_nameZ hex_errnoZerr_msgZchild_exception_typeZ errno_numZchild_exec_never_calledZ err_filenamer )r� r r� � s� c C sL ||�r||� | _ n2||�r*||�| _ n ||�r@||� | _ ntd��dS )z:All callers to this function MUST hold self._waitpid_lock.zUnknown child exit status!N)r r )r r� Z _WIFSIGNALEDZ _WTERMSIGZ _WIFEXITEDZ _WEXITSTATUSZ _WIFSTOPPEDZ _WSTOPSIGr r r r X s zPopen._handle_exitstatusc C s� | j dkr�| jjd�sdS z�y8| j dk r.| j S || j|�\}}|| jkrR| j|� W nB tk r� } z&|dk rv|| _ n|j|kr�d| _ W Y dd}~X nX W d| jj� X | j S )z�Check if child process has terminated. Returns returncode attribute. This method is called by __del__, so it cannot reference anything outside of the local scope (nor can any methods it calls). NFr )r r� �acquirer� r r� r� �release)r r> Z_waitpidZ_WNOHANGZ_ECHILDr� r� �er r r r@ j s c C s> yt j| j|�\}}W n tk r4 | j}d}Y nX ||fS )z:All callers to this function MUST hold self._waitpid_lock.r )r� r r� r )r Z wait_flagsr� r� r r r � _try_wait� s zPopen._try_waitc C sp | j dk r| j S |dk r(tjdtdd� |dk s8|dk r^|dkrLt� | }n|dkr^| j|�}|dk �rd}x�| jjd�r�zL| j dk r�P | jt j �\}}|| j ks�|dks�t �|| j kr�| j |� P W d| jj� X | j|�}|dkr�t| j|��t|d |d�}tj|� qnW nXxV| j dk�rh| j�8 | j dk �r6P | jd�\}}|| j k�rZ| j |� W dQ R X �qW | j S ) zOWait for child process to terminate. Returns returncode attribute.Nz0'endtime' argument is deprecated; use 'timeout'.rG )r� g����Mb@?Fr g�������?)r r� r� r� r� r� r� r r r� �WNOHANGr� r� r r r rN �min�timeZsleep)r r r� Zdelayr� r� Z remainingr r r rl � sL c # C s | j rZ| j rZy| j j� W n tk r0 Y nX |sZy| j j� W n tk rX Y nX d }d }| js�i | _| jr�g | j| j< | jr�g | j| j< | jr�| j| j }| jr�| j| j }| j|� | j r�t | j �}t � ���}| j r�|r�|j | j t j� | j�r |j | jt j� | j�r$|j | jt j� �xJ|j� �rp| j|�}|d k �r\|dk �r\t| j|��|j|�} | j||� x�| D ]�\} } | j| j k�r|| j| jt � } y | jtj| j| �7 _W n, tk �r� |j | j� | jj� Y n*X | jt | j �k�rf|j | j� | jj� nP| j| j| jfk�rxtj | jd�} | �sT|j | j� | jj� | j| j j | � �qxW �q(W W d Q R X | j | j|�d� |d k �r�dj!|�}|d k �r�dj!|�}| j"�s�| j#�s�| j$�r|d k �r�| j%|| jj"| jj#�}|d k �r| j%|| jj"| jj#�}||fS )Nr i � )r rv )&r| r� �flushr� r� Z_fileobj2outputr r � _save_inputr� � memoryview�_PopenSelector�register� selectorsZ EVENT_WRITEZ EVENT_READZget_mapr� r rN �selectr� Zfileobj� _input_offset� _PIPE_BUFr� r� r� Z unregisterr� r� rM rl rz r� r� rt r� )r rs r� r� r r Z input_viewZselectorr Zready�keyZevents�chunkr� r r r r� � s� ( c C sR | j rN| jd krNd| _|| _|d k rN| js6| js6| jrN| jj| j j| j j�| _d S )Nr )r| r� r# r� r� rt �encode)r rs r r r r / s zPopen._save_inputc C s | j dkrtj| j|� dS )z Send a signal to the process.N)r r� rm r� )r r� r r r r� < s c C s | j tj� dS )z/Terminate the process with SIGTERM N)r� r r� )r r r r r� B s c C s | j tj� dS )z*Kill the process with SIGKILL N)r� r �SIGKILL)r r r r rm G s z Popen.killr� )NN)NN)NN)2r r r r r� r� r r� r� r� rA rB r� r� r= r� r� r} r~ r� r� r� r� r� r� r< r� Z WAIT_OBJECT_0r� r@ rl r� r� r� r� rm r� � WIFSIGNALED�WTERMSIG� WIFEXITED� WEXITSTATUS� WIFSTOPPED�WSTOPSIGr r r r� ZECHILDr r r r r r r! 2 sd + 1H @ 46 " 4a r� ������)>r rA �platformr� r� r� r r r r� r� r r� � Exceptionr r r r� r� r< r r r" r! � ImportErrorZdummy_threadingrc r$ r� r r ZSelectSelector�__all__r, r- r. r/ r0 r1 r2 r3 rh r8 r4 r? rE r" r# r* rO rk r$ r% r( �objectr+ r) r� r& r' r� r! r r r r �<module>* sr % ( .,!2I
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