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subprocess.cpython-36.pyc
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3 \���@s8dZddlZejdkZddlZddlZddlZddlZddlZddl Z ddl Z ddlmZGdd�de �ZGdd�de�ZGd d �d e�Zer�ddlZddlZddlZGdd�d�ZnhddlZddlZddlZyddlZWnek r�ddlZYnXeed d�Zeed��rejZnejZddddddddddddd dgZ e�r�ddlm!Z!m"Z"m#Z#m$Z$m%Z%m&Z&m'Z'm(Z(e j)ddddd d!d"d#dg �Gd$d%�d%e*�Z+gZ,d&d'�Z-d<Z.d=Z/d>Z0d+d,�Z1d-d.�Z2dd/�d0d�Z3d1d�Z4dd/�d2d�Z5Gd3d�de6�Z7ddd4d5�d6d�Z8d7d8�Z9d9d�Z:d:d�Z;e6�Z<Gd;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. 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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. rz3stdout argument not allowed, it will be overridden.�inputN�universal_newlinesF��T)rr�check)rrrr)r"r)rrorprrrr(;s c@s*eZdZdZd dd�Zdd�Zdd�ZdS) r+aEA 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). NcCs||_||_||_||_dS)N)rNr rr )rrNr rr rrrrrszCompletedProcess.__init__cCshdj|j�dj|j�g}|jdk r4|jdj|j��|jdk rP|jdj|j��djt|�jdj|��S)Nz args={!r}zreturncode={!r}zstdout={!r}zstderr={!r}z{}({})z, ) �formatrNr rrMr �typer�join)rrNrrrr;xs zCompletedProcess.__repr__cCs |jrt|j|j|j|j��dS)z6Raise CalledProcessError if the exit code is non-zero.N)r r rNrr )rrrr�check_returncode�sz!CompletedProcess.check_returncode)NN)rrrrrr;r|rrrrr+gs F)rtrrxc Os�|dk r d|krtd��t|d<t||���}y|j||d�\}}WnVtk r||j�|j�\}}t|j|||d��Yn|j�|j��YnX|j�}|r�|r�t ||j||d��WdQRXt |j|||�S)afRun 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)rr )rr"r!�communicaterrnrNrm�pollr r+) rtrrxrorpZprocessrr rsrrrr)�s* cCs�g}d}x�|D]�}g}|r$|jd�d|kp8d|kp8|}|rH|jd�xj|D]b}|dkrf|j|�qN|dkr�|jdt|�d�g}|jd�qN|r�|j|�g}|j|�qNW|r�|j|�|r|j|�|jd�qWdj|�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. 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