523 lines
77 KiB
Plaintext
523 lines
77 KiB
Plaintext
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*åf=c ã ó´ — d Z ddlZddlZddlZddlZddlZddlZddlZddlZddl Z ddl
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Z
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ddl Z ddlm Z
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ddlZ ddlZg d¢Z ddlZdZej* dvZer@ddlZddlmZmZmZmZm Z m Z m Z m Z m Z m!Z!m"Z"m#Z#m$Z$m%Z%m&Z&m'Z'm(Z(m)Z) ejU g d ¢« nYerCdd
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l+m,Z- ej\ Z/ej` Z1ejd Z3ejh Z5ejl Z7n dZ-dZ/dZ1dZ3dZ5dZ7ddl8Z8ddl9Z9 G d „ d e:« Z; G d
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„ de;« Z< G d„ de;« Z=er G d„ d« Z> G d„ de?« Z@n, eAe8dd« ZB eCe9d« r
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e9jˆ ZEn e9jŒ ZEerdZGd„ ZHng ZGd„ ZHdZIdZJd ZKd „ ZLd „ ZMd „ ZNdd œd!„ZOd"„ ZPdd œd#„ZQ G d$„ d%eR« ZSddddd&œd'„ZTd(„ ZUddd)œd*„ZVddd)œd+„ZWd,„ ZX eX« ZYdZZ G d-„ d.« Z[y# e$ r dZY �ŒŠw xY w# e$ r dZY �Œ�w xY w)/a• Subprocesses with accessible I/O streams
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This module allows you to spawn processes, connect to their
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input/output/error pipes, and obtain their return codes.
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For a complete description of this module see the Python documentation.
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Main API
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========
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run(...): Runs a command, waits for it to complete, then returns a
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CompletedProcess instance.
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Popen(...): A class for flexibly executing a command in a new process
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Constants
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---------
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DEVNULL: Special value that indicates that os.devnull should be used
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PIPE: Special value that indicates a pipe should be created
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STDOUT: Special value that indicates that stderr should go to stdout
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Older API
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=========
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call(...): Runs a command, waits for it to complete, then returns
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the return code.
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check_call(...): Same as call() but raises CalledProcessError()
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if return code is not 0
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check_output(...): Same as check_call() but returns the contents of
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stdout instead of a return code
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getoutput(...): Runs a command in the shell, waits for it to complete,
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then returns the output
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getstatusoutput(...): Runs a command in the shell, waits for it to complete,
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then returns a (exitcode, output) tuple
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é N)Ú monotonic)ÚPopenÚPIPEÚSTDOUTÚcallÚ
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check_callÚgetstatusoutputÚ getoutputÚ check_outputÚrunÚCalledProcessErrorÚDEVNULLÚSubprocessErrorÚTimeoutExpiredÚCompletedProcessTF> ÚwasiÚ
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emscripten)ÚCREATE_NEW_CONSOLEÚCREATE_NEW_PROCESS_GROUPÚSTD_INPUT_HANDLEÚSTD_OUTPUT_HANDLEÚSTD_ERROR_HANDLEÚSW_HIDEÚSTARTF_USESTDHANDLESÚSTARTF_USESHOWWINDOWÚABOVE_NORMAL_PRIORITY_CLASSÚBELOW_NORMAL_PRIORITY_CLASSÚHIGH_PRIORITY_CLASSÚIDLE_PRIORITY_CLASSÚNORMAL_PRIORITY_CLASSÚREALTIME_PRIORITY_CLASSÚCREATE_NO_WINDOWÚDETACHED_PROCESSÚCREATE_DEFAULT_ERROR_MODEÚCREATE_BREAKAWAY_FROM_JOB)r r r r r r r r Ú STARTUPINFOr r r r r r! r" r# r$ r% )Ú fork_execc ó — e Zd Zy)r N)Ú__name__Ú
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__module__Ú __qualname__© ó úFC:\Users\RCi\AppData\Local\Programs\Python\Python312\Lib\subprocess.pyr r { s … r- r c óR — e Zd ZdZdd„Zd„ Zed„ « Zej d„ « Zy)r
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z£Raised when run() is called with check=True and the process
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returns a non-zero exit status.
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Attributes:
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cmd, returncode, stdout, stderr, output
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Nc ó< — || _ || _ || _ || _ y ©N)Ú
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/øô ò
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4ØBØ Ÿ™ 4§?¡?Ð"2ðF4ñ 4ò 4ð
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r
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~ s= „ ñó ò
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/ð ñó ðð ‡]�]ñ ó ñ r- r
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c óR — e Zd ZdZdd„Zd„ Zed„ « Zej d„ « Zy)r z›This exception is raised when the timeout expires while waiting for a
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child process.
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Attributes:
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cmd, output, stdout, stderr, timeout
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Ð:Ü% zô 3ô ‡y�y×ÒØä×!Ñ!Ó#Ð#r- ©rN c ó– — t |i |¤Ž5 } |j | ¬« cddd« S # |j « ‚ xY w# 1 sw Y yxY w)zÞRun command with arguments. Wait for command to complete or
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timeout, then return the returncode attribute.
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The arguments are the same as for the Popen constructor. Example:
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retcode = call(["ls", "-l"])
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rÁ N)r ÚwaitÚkill)rN Ú popenargsÚkwargsÚps r. r r } sS € ô
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ð ús Œ?Ž)©<¼?¿Ac óf — t | i |¤Ž}|r$|j d« }|€| d }t ||« ‚y)aO Run command with arguments. Wait for command to complete. If
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the exit code was zero then return, otherwise raise
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CalledProcessError. The CalledProcessError object will have the
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return code in the returncode attribute.
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The arguments are the same as for the call function. Example:
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check_call(["ls", "-l"])
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r… r )r Úgetr
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d œ|¤Žj S ) a Run command with arguments and return its output.
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If the exit code was non-zero it raises a CalledProcessError. The
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CalledProcessError object will have the return code in the returncode
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attribute and output in the output attribute.
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The arguments are the same as for the Popen constructor. Example:
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>>> check_output(["ls", "-l", "/dev/null"])
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b'crw-rw-rw- 1 root root 1, 3 Oct 18 2007 /dev/null\n'
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The stdout argument is not allowed as it is used internally.
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To capture standard error in the result, use stderr=STDOUT.
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>>> check_output(["/bin/sh", "-c",
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... "ls -l non_existent_file ; exit 0"],
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... stderr=STDOUT)
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b'ls: non_existent_file: No such file or directory\n'
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There is an additional optional argument, "input", allowing you to
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pass a string to the subprocess's stdin. If you use this argument
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you may not also use the Popen constructor's "stdin" argument, as
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it too will be used internally. Example:
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>>> check_output(["sed", "-e", "s/foo/bar/"],
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... input=b"when in the course of fooman events\n")
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b'when in the course of barman events\n'
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By default, all communication is in bytes, and therefore any "input"
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should be bytes, and the return value will be bytes. If in text mode,
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any "input" should be a string, and the return value will be a string
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decoded according to locale encoding, or by "encoding" if set. Text mode
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is triggered by setting any of text, encoding, errors or universal_newlines.
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y)r aE A process that has finished running.
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This is returned by run().
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Attributes:
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args: The list or str args passed to run().
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returncode: The exit code of the process, negative for signals.
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stdout: The standard output (None if not captured).
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stderr: The standard error (None if not captured).
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« ‚ xY w# 1 sw Y ŒˆxY w) a| 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,
|
|||
|
|
or pass capture_output=True to capture both.
|
|||
|
|
|
|||
|
|
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 bytes or 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.
|
|||
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|
|
|||
|
|
By default, all communication is in bytes, and therefore any "input" should
|
|||
|
|
be bytes, and the stdout and stderr will be bytes. If in text mode, any
|
|||
|
|
"input" should be a string, and stdout and stderr will be strings decoded
|
|||
|
|
according to locale encoding, or by "encoding" if set. Text mode is
|
|||
|
|
triggered by setting any of text, encoding, errors or universal_newlines.
|
|||
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|
|
|||
|
|
The other arguments are the same as for the Popen constructor.
|
|||
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NÚstdinz/stdin and input arguments may not both be used.rB r5 z@stdout and stderr arguments may not be used with capture_output.rÁ ©r4 r5 )rÉ r= r r Ú communicater rÄ Ú
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_mswindowsrB r5 rà Úpollr
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r… r ) rÍ rá rN rÌ rÅ rÆ ÚprocessrB r5 ÚexcrÊ s r. r r ú sU € ð<
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5ä ˆˆxÑÜ ˆˆxÑä � Ð $˜VÑ $ð C¨ð Ø $× 0Ñ 0°ÀÐ 0Ó H‰NˆF�Fð& —,‘,“.ˆÙ ‘WÜ$ W¨g¯l©lØ,2¸6ôCð
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|« S ) a•
|
|||
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|
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
|
|||
|
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argument.
|
|||
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|
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|||
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3) A double quotation mark preceded by a backslash is
|
|||
|
|
interpreted as a literal double quotation mark.
|
|||
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|
|||
|
|
4) Backslashes are interpreted literally, unless they
|
|||
|
|
immediately precede a double quotation mark.
|
|||
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|
|
|||
|
|
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.
|
|||
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Fú ú ú"ú\r± z\"rÒ )ÚmapÚosÚfsdecoder„ Úlenr¨ rÚ )ÚseqÚresultÚ needquoter® Úbs_bufÚcs r. Ú list2cmdlinerø @ s € ð< €FØ€IÜ”2—;‘; Ó$ò ! ˆØˆñ Ø �M‰M˜#Ô à˜C�ZÒ< T¨S [Ò<¸°Wˆ Ù Ø �M‰M˜#Ô àò !ˆAØ�DŠyà—
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˜aÕ ð !ñ" Ø �M‰M˜&Ô !â Ø �M‰M˜&Ô !Ø �M‰M˜#Õ ðC! ðF �7‰7�6‹?Ðr- ©rÐ rÑ c ó° — t | ddt ||¬« }d}|dd dk( r|dd }||fS # t $ r"}|j }|j }Y d}~Œ7d}~ww xY w)aö Return (exitcode, output) of executing cmd in a shell.
|
|||
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|
|
|||
|
|
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 $$')
|
|||
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|
(-15, '')
|
|||
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|
|||
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|
|
|||
|
|
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'
|
|||
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rù r• )r )r3 rÐ rÑ s r. r
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k\ ryy# t t t f$ r Y yw xY w)a„ Check if posix_spawn() can be used for subprocess.
|
|||
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|
|||
|
|
subprocess requires a posix_spawn() implementation that properly reports
|
|||
|
|
errors to the parent process, & sets errno on the following failures:
|
|||
|
|
|
|||
|
|
* Process attribute actions failed.
|
|||
|
|
* File actions failed.
|
|||
|
|
* exec() failed.
|
|||
|
|
|
|||
|
|
Prefer an implementation which can use vfork() in some cases for best
|
|||
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performance.
|
|||
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Ú posix_spawnF)ÚdarwinÚsunos5TÚCS_GNU_LIBC_VERSIONr• )Úmaxsplitr± r r: ÚlinuxÚglibc)r± é )ræ Úhasattrrð rw ÚplatformÚconfstrÚsplitrò r= Útuplerï rg ÚAttributeErrorÚOSError)ÚverÚpartsÚlibcÚversions r. Ú_use_posix_spawnr · sÄ € õ œ¤ ]Ô3àä
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|
|||
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|
|
|||
|
|
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.
|
|||
|
|
|
|||
|
|
text: If true, decode stdin, stdout and stderr using the given encoding
|
|||
|
|
(if set) or the system default otherwise.
|
|||
|
|
|
|||
|
|
universal_newlines: Alias of text, provided for backwards compatibility.
|
|||
|
|
|
|||
|
|
startupinfo and creationflags (Windows only)
|
|||
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|
|||
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restore_signals (POSIX only)
|
|||
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|
|||
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start_new_session (POSIX only)
|
|||
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|
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process_group (POSIX only)
|
|||
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|
|||
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group (POSIX only)
|
|||
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|
|||
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extra_groups (POSIX only)
|
|||
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|||
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user (POSIX only)
|
|||
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|||
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umask (POSIX only)
|
|||
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pass_fds (POSIX only)
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|||
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|
|||
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encoding and errors: Text mode encoding and error handling to use for
|
|||
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file objects stdin, stdout and stderr.
|
|||
|
|
|
|||
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Attributes:
|
|||
|
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stdin, stdout, stderr, pid, returncode
|
|||
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Fr| N) ÚuserÚgroupÚ extra_groupsrÐ rÑ rÏ ÚumaskÚpipesizeÚ
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write_throughÚline_bufferingrÐ rÑ Úrbrù Ú_devnull)>Ú_can_fork_execr ÚerrnoÚENOTSUPrw r rq Ú threadingÚLockÚ
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isinstancerg Ú TypeErrorræ r= r· r¸ ÚRuntimeWarningr… rã rB r5 Úpidr2 rÐ rÑ r Úboolr Ú text_moderÀ Ú_sigint_wait_secsÚ_closed_child_pipe_fdsr
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