cpython-lru_cache-weakref: Lib/subprocess.py annotate

annotate Lib/subprocess.py @ 80779:10d04bdb05ab 3.3

Issue #16248: Disable code execution from the user's home directory by tkinter when the -E flag is passed to Python. Patch by Zachary Ware.

author	Antoine Pitrou <solipsis@pitrou.net>
date	Sun, 09 Dec 2012 14:46:46 +0100
parents	9f8b0444c8a6
children	0b1a49f99169 d51df72dadb7

rev	line source
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1 # subprocess - Subprocesses with accessible I/O streams
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	2 #
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	3 # For more information about this module, see PEP 324.
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	4 #
35633 45aaa436b945 Changed license header: Now simply referring to PSF. This closes bug Peter Astrand <astrand@lysator.liu.se> parents: 34818 diff changeset	5 # Copyright (c) 2003-2005 by Peter Astrand <astrand@lysator.liu.se>
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	6 #
34587 e9ec2ce340fd Added copyright notice: Peter Astrand <astrand@lysator.liu.se> parents: 34575 diff changeset	7 # Licensed to PSF under a Contributor Agreement.
35633 45aaa436b945 Changed license header: Now simply referring to PSF. This closes bug Peter Astrand <astrand@lysator.liu.se> parents: 34818 diff changeset	8 # See http://www.python.org/2.4/license for licensing details.
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	9
33776 c5d951a0e0c3 Fix docstring formatting of escape sequences. Raymond Hettinger <python@rcn.com> parents: 33770 diff changeset	10 r"""subprocess - Subprocesses with accessible I/O streams
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	11
33770 c6aac03474c5 return codes are available on all platforms, not just on Unix Fredrik Lundh <fredrik@pythonware.com> parents: 33751 diff changeset	12 This module allows you to spawn processes, connect to their
c6aac03474c5 return codes are available on all platforms, not just on Unix Fredrik Lundh <fredrik@pythonware.com> parents: 33751 diff changeset	13 input/output/error pipes, and obtain their return codes. This module
c6aac03474c5 return codes are available on all platforms, not just on Unix Fredrik Lundh <fredrik@pythonware.com> parents: 33751 diff changeset	14 intends to replace several other, older modules and functions, like:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	15
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	16 os.system
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	17 os.spawn*
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	18
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	19 Information about how the subprocess module can be used to replace these
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	20 modules and functions can be found below.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	21
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	22
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	23
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	24 Using the subprocess module
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	25 ===========================
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	26 This module defines one class called Popen:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	27
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	28 class Popen(args, bufsize=0, executable=None,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	29 stdin=None, stdout=None, stderr=None,
66889 59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	30 preexec_fn=None, close_fds=True, shell=False,
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	31 cwd=None, env=None, universal_newlines=False,
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	32 startupinfo=None, creationflags=0,
66889 59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	33 restore_signals=True, start_new_session=False, pass_fds=()):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	34
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	35
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	36 Arguments are:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	37
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	38 args should be a string, or a sequence of program arguments. The
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	39 program to execute is normally the first item in the args sequence or
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	40 string, but can be explicitly set by using the executable argument.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	41
66867 eab8f91f5754 Get rid of the close_fds DeprecationWarning. Changes the default on a per Gregory P. Smith <greg@mad-scientist.com> parents: 66723 diff changeset	42 On POSIX, with shell=False (default): In this case, the Popen class
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	43 uses os.execvp() to execute the child program. args should normally
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	44 be a sequence. A string will be treated as a sequence with the string
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	45 as the only item (the program to execute).
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	46
66867 eab8f91f5754 Get rid of the close_fds DeprecationWarning. Changes the default on a per Gregory P. Smith <greg@mad-scientist.com> parents: 66723 diff changeset	47 On POSIX, with shell=True: If args is a string, it specifies the
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	48 command string to execute through the shell. If args is a sequence,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	49 the first item specifies the command string, and any additional items
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	50 will be treated as additional shell arguments.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	51
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	52 On Windows: the Popen class uses CreateProcess() to execute the child
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	53 program, which operates on strings. If args is a sequence, it will be
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	54 converted to a string using the list2cmdline method. Please note that
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	55 not all MS Windows applications interpret the command line the same
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	56 way: The list2cmdline is designed for applications using the same
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	57 rules as the MS C runtime.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	58
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	59 bufsize, if given, has the same meaning as the corresponding argument
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	60 to the built-in open() function: 0 means unbuffered, 1 means line
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	61 buffered, any other positive value means use a buffer of
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	62 (approximately) that size. A negative bufsize means to use the system
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	63 default, which usually means fully buffered. The default value for
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	64 bufsize is 0 (unbuffered).
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	65
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	66 stdin, stdout and stderr specify the executed programs' standard
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	67 input, standard output and standard error file handles, respectively.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	68 Valid values are PIPE, an existing file descriptor (a positive
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	69 integer), an existing file object, and None. PIPE indicates that a
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	70 new pipe to the child should be created. With None, no redirection
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	71 will occur; the child's file handles will be inherited from the
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	72 parent. Additionally, stderr can be STDOUT, which indicates that the
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	73 stderr data from the applications should be captured into the same
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	74 file handle as for stdout.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	75
66867 eab8f91f5754 Get rid of the close_fds DeprecationWarning. Changes the default on a per Gregory P. Smith <greg@mad-scientist.com> parents: 66723 diff changeset	76 On POSIX, if preexec_fn is set to a callable object, this object will be
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	77 called in the child process just before the child is executed. The use
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	78 of preexec_fn is not thread safe, using it in the presence of threads
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	79 could lead to a deadlock in the child process before the new executable
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	80 is executed.
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	81
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	82 If close_fds is true, all file descriptors except 0, 1 and 2 will be
66867 eab8f91f5754 Get rid of the close_fds DeprecationWarning. Changes the default on a per Gregory P. Smith <greg@mad-scientist.com> parents: 66723 diff changeset	83 closed before the child process is executed. The default for close_fds
66889 59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	84 varies by platform: Always true on POSIX. True when stdin/stdout/stderr
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	85 are None on Windows, false otherwise.
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	86
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	87 pass_fds is an optional sequence of file descriptors to keep open between the
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	88 parent and child. Providing any pass_fds implicitly sets close_fds to true.
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	89
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	90 if shell is true, the specified command will be executed through the
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	91 shell.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	92
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	93 If cwd is not None, the current directory will be changed to cwd
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	94 before the child is executed.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	95
66867 eab8f91f5754 Get rid of the close_fds DeprecationWarning. Changes the default on a per Gregory P. Smith <greg@mad-scientist.com> parents: 66723 diff changeset	96 On POSIX, if restore_signals is True all signals that Python sets to
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	97 SIG_IGN are restored to SIG_DFL in the child process before the exec.
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	98 Currently this includes the SIGPIPE, SIGXFZ and SIGXFSZ signals. This
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	99 parameter does nothing on Windows.
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	100
66867 eab8f91f5754 Get rid of the close_fds DeprecationWarning. Changes the default on a per Gregory P. Smith <greg@mad-scientist.com> parents: 66723 diff changeset	101 On POSIX, if start_new_session is True, the setsid() system call will be made
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	102 in the child process prior to executing the command.
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	103
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	104 If env is not None, it defines the environment variables for the new
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	105 process.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	106
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	107 If universal_newlines is true, the file objects stdout and stderr are
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	108 opened as a text files, but lines may be terminated by any of '\n',
66867 eab8f91f5754 Get rid of the close_fds DeprecationWarning. Changes the default on a per Gregory P. Smith <greg@mad-scientist.com> parents: 66723 diff changeset	109 the Unix end-of-line convention, '\r', the old Macintosh convention or
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	110 '\r\n', the Windows convention. All of these external representations
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	111 are seen as '\n' by the Python program. Note: This feature is only
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	112 available if Python is built with universal newline support (the
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	113 default). Also, the newlines attribute of the file objects stdout,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	114 stdin and stderr are not updated by the communicate() method.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	115
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	116 The startupinfo and creationflags, if given, will be passed to the
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	117 underlying CreateProcess() function. They can specify things such as
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	118 appearance of the main window and priority for the new process.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	119 (Windows only)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	120
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	121
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	122 This module also defines some shortcut functions:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	123
34111 73b09c2b788b Changed signature of call function to avoid confusion: this 'args' is not the same as the one to the Popen constructor Peter Astrand <astrand@lysator.liu.se> parents: 34052 diff changeset	124 call(popenargs, *kwargs):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	125 Run command with arguments. Wait for command to complete, then
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	126 return the returncode attribute.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	127
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	128 The arguments are the same as for the Popen constructor. Example:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	129
59471 ac80884ddcc3 Merged revisions 78736,78759,78761,78767,78788-78789 via svnmerge from Florent Xicluna <florent.xicluna@gmail.com> parents: 59207 diff changeset	130 >>> retcode = subprocess.call(["ls", "-l"])
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	131
34302 998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	132 check_call(popenargs, *kwargs):
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	133 Run command with arguments. Wait for command to complete. If the
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	134 exit code was zero then return, otherwise raise
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	135 CalledProcessError. The CalledProcessError object will have the
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	136 return code in the returncode attribute.
34302 998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	137
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	138 The arguments are the same as for the Popen constructor. Example:
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	139
59471 ac80884ddcc3 Merged revisions 78736,78759,78761,78767,78788-78789 via svnmerge from Florent Xicluna <florent.xicluna@gmail.com> parents: 59207 diff changeset	140 >>> subprocess.check_call(["ls", "-l"])
65109 a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	141 0
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	142
47331 0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	143 getstatusoutput(cmd):
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	144 Return (status, output) of executing cmd in a shell.
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	145
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	146 Execute the string 'cmd' in a shell with os.popen() and return a 2-tuple
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	147 (status, output). cmd is actually run as '{ cmd ; } 2>&1', so that the
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	148 returned output will contain output or error messages. A trailing newline
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	149 is stripped from the output. The exit status for the command can be
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	150 interpreted according to the rules for the C function wait(). Example:
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	151
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	152 >>> subprocess.getstatusoutput('ls /bin/ls')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	153 (0, '/bin/ls')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	154 >>> subprocess.getstatusoutput('cat /bin/junk')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	155 (256, 'cat: /bin/junk: No such file or directory')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	156 >>> subprocess.getstatusoutput('/bin/junk')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	157 (256, 'sh: /bin/junk: not found')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	158
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	159 getoutput(cmd):
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	160 Return output (stdout or stderr) of executing cmd in a shell.
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	161
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	162 Like getstatusoutput(), except the exit status is ignored and the return
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	163 value is a string containing the command's output. Example:
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	164
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	165 >>> subprocess.getoutput('ls /bin/ls')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	166 '/bin/ls'
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	167
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	168 check_output(popenargs, *kwargs):
65109 a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	169 Run command with arguments and return its output as a byte string.
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	170
65109 a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	171 If the exit code was non-zero it raises a CalledProcessError. The
a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	172 CalledProcessError object will have the return code in the returncode
a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	173 attribute and output in the output attribute.
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	174
65109 a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	175 The arguments are the same as for the Popen constructor. Example:
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	176
65109 a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	177 >>> output = subprocess.check_output(["ls", "-l", "/dev/null"])
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	178
47331 0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	179
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	180 Exceptions
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	181 ----------
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	182 Exceptions raised in the child process, before the new program has
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	183 started to execute, will be re-raised in the parent. Additionally,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	184 the exception object will have one extra attribute called
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	185 'child_traceback', which is a string containing traceback information
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	186 from the childs point of view.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	187
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	188 The most common exception raised is OSError. This occurs, for
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	189 example, when trying to execute a non-existent file. Applications
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	190 should prepare for OSErrors.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	191
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	192 A ValueError will be raised if Popen is called with invalid arguments.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	193
68463 d674b557600c Add a SubprocessError base class for exceptions in the subprocess module. Gregory P. Smith <greg@krypto.org> parents: 68454 diff changeset	194 Exceptions defined within this module inherit from SubprocessError.
d674b557600c Add a SubprocessError base class for exceptions in the subprocess module. Gregory P. Smith <greg@krypto.org> parents: 68454 diff changeset	195 check_call() and check_output() will raise CalledProcessError if the
68465 bffe5809bfda whitespace fix Gregory P. Smith <greg@krypto.org> parents: 68463 diff changeset	196 called process returns a non-zero return code. TimeoutExpired
68463 d674b557600c Add a SubprocessError base class for exceptions in the subprocess module. Gregory P. Smith <greg@krypto.org> parents: 68454 diff changeset	197 be raised if a timeout was specified and expired.
34302 998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	198
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	199
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	200 Security
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	201 --------
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	202 Unlike some other popen functions, this implementation will never call
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	203 /bin/sh implicitly. This means that all characters, including shell
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	204 metacharacters, can safely be passed to child processes.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	205
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	206
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	207 Popen objects
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	208 =============
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	209 Instances of the Popen class have the following methods:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	210
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	211 poll()
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	212 Check if child process has terminated. Returns returncode
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	213 attribute.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	214
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	215 wait()
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	216 Wait for child process to terminate. Returns returncode attribute.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	217
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	218 communicate(input=None)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	219 Interact with process: Send data to stdin. Read data from stdout
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	220 and stderr, until end-of-file is reached. Wait for process to
40582 67287ca4e1e8 Merged revisions 53005-53303 via svnmerge from Thomas Wouters <thomas@python.org> parents: 40450 diff changeset	221 terminate. The optional input argument should be a string to be
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	222 sent to the child process, or None, if no data should be sent to
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	223 the child.
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	224
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	225 communicate() returns a tuple (stdout, stderr).
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	226
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	227 Note: The data read is buffered in memory, so do not use this
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	228 method if the data size is large or unlimited.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	229
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	230 The following attributes are also available:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	231
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	232 stdin
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	233 If the stdin argument is PIPE, this attribute is a file object
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	234 that provides input to the child process. Otherwise, it is None.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	235
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	236 stdout
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	237 If the stdout argument is PIPE, this attribute is a file object
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	238 that provides output from the child process. Otherwise, it is
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	239 None.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	240
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	241 stderr
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	242 If the stderr argument is PIPE, this attribute is file object that
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	243 provides error output from the child process. Otherwise, it is
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	244 None.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	245
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	246 pid
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	247 The process ID of the child process.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	248
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	249 returncode
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	250 The child return code. A None value indicates that the process
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	251 hasn't terminated yet. A negative value -N indicates that the
66867 eab8f91f5754 Get rid of the close_fds DeprecationWarning. Changes the default on a per Gregory P. Smith <greg@mad-scientist.com> parents: 66723 diff changeset	252 child was terminated by signal N (POSIX only).
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	253
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	254
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	255 Replacing older functions with the subprocess module
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	256 ====================================================
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	257 In this section, "a ==> b" means that b can be used as a replacement
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	258 for a.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	259
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	260 Note: All functions in this section fail (more or less) silently if
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	261 the executed program cannot be found; this module raises an OSError
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	262 exception.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	263
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	264 In the following examples, we assume that the subprocess module is
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	265 imported with "from subprocess import *".
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	266
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	267
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	268 Replacing /bin/sh shell backquote
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	269 ---------------------------------
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	270 output=`mycmd myarg`
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	271 ==>
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	272 output = Popen(["mycmd", "myarg"], stdout=PIPE).communicate()[0]
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	273
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	274
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	275 Replacing shell pipe line
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	276 -------------------------
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	277 output=`dmesg \| grep hda`
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	278 ==>
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	279 p1 = Popen(["dmesg"], stdout=PIPE)
34050 fd1be494c31b Corrected example for replacing shell pipeline. Fixes bug 1073790. Peter Astrand <astrand@lysator.liu.se> parents: 33929 diff changeset	280 p2 = Popen(["grep", "hda"], stdin=p1.stdout, stdout=PIPE)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	281 output = p2.communicate()[0]
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	282
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	283
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	284 Replacing os.system()
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	285 ---------------------
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	286 sts = os.system("mycmd" + " myarg")
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	287 ==>
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	288 p = Popen("mycmd" + " myarg", shell=True)
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	289 pid, sts = os.waitpid(p.pid, 0)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	290
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	291 Note:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	292
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	293 * Calling the program through the shell is usually not required.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	294
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	295 * It's easier to look at the returncode attribute than the
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	296 exitstatus.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	297
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	298 A more real-world example would look like this:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	299
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	300 try:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	301 retcode = call("mycmd" + " myarg", shell=True)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	302 if retcode < 0:
41843 1f7891d84d93 Remove native popen() and fdopen(), replacing them with subprocess calls. Guido van Rossum <guido@python.org> parents: 41732 diff changeset	303 print("Child was terminated by signal", -retcode, file=sys.stderr)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	304 else:
41843 1f7891d84d93 Remove native popen() and fdopen(), replacing them with subprocess calls. Guido van Rossum <guido@python.org> parents: 41732 diff changeset	305 print("Child returned", retcode, file=sys.stderr)
1f7891d84d93 Remove native popen() and fdopen(), replacing them with subprocess calls. Guido van Rossum <guido@python.org> parents: 41732 diff changeset	306 except OSError as e:
1f7891d84d93 Remove native popen() and fdopen(), replacing them with subprocess calls. Guido van Rossum <guido@python.org> parents: 41732 diff changeset	307 print("Execution failed:", e, file=sys.stderr)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	308
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	309
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	310 Replacing os.spawn*
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	311 -------------------
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	312 P_NOWAIT example:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	313
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	314 pid = os.spawnlp(os.P_NOWAIT, "/bin/mycmd", "mycmd", "myarg")
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	315 ==>
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	316 pid = Popen(["/bin/mycmd", "myarg"]).pid
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	317
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	318
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	319 P_WAIT example:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	320
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	321 retcode = os.spawnlp(os.P_WAIT, "/bin/mycmd", "mycmd", "myarg")
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	322 ==>
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	323 retcode = call(["/bin/mycmd", "myarg"])
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	324
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	325
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	326 Vector example:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	327
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	328 os.spawnvp(os.P_NOWAIT, path, args)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	329 ==>
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	330 Popen([path] + args[1:])
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	331
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	332
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	333 Environment example:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	334
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	335 os.spawnlpe(os.P_NOWAIT, "/bin/mycmd", "mycmd", "myarg", env)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	336 ==>
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	337 Popen(["/bin/mycmd", "myarg"], env={"PATH": "/usr/bin"})
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	338 """
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	339
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	340 import sys
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	341 mswindows = (sys.platform == "win32")
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	342
41845 9ce8fa0a0899 Make test_subprocess work. Fix universal newlines in io.py. Guido van Rossum <guido@python.org> parents: 41843 diff changeset	343 import io
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	344 import os
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	345 import time
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	346 import traceback
44810 fa6cee14dcba Merged revisions 60094-60123 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44160 diff changeset	347 import gc
46505 63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	348 import signal
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	349 import builtins
66676 b37da60c9072 issue7213 + issue2320: Cause a DeprecationWarning if the close_fds argument is Gregory P. Smith <greg@mad-scientist.com> parents: 66622 diff changeset	350 import warnings
69154 158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	351 import errno
77243 1345cf58738d Close #14690: Use monotonic clock instead of system clock in the sched, Victor Stinner <victor.stinner@gmail.com> parents: 77154 diff changeset	352 try:
1345cf58738d Close #14690: Use monotonic clock instead of system clock in the sched, Victor Stinner <victor.stinner@gmail.com> parents: 77154 diff changeset	353 from time import monotonic as _time
1345cf58738d Close #14690: Use monotonic clock instead of system clock in the sched, Victor Stinner <victor.stinner@gmail.com> parents: 77154 diff changeset	354 except ImportError:
1345cf58738d Close #14690: Use monotonic clock instead of system clock in the sched, Victor Stinner <victor.stinner@gmail.com> parents: 77154 diff changeset	355 from time import time as _time
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	356
34302 998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	357 # Exception classes used by this module.
68463 d674b557600c Add a SubprocessError base class for exceptions in the subprocess module. Gregory P. Smith <greg@krypto.org> parents: 68454 diff changeset	358 class SubprocessError(Exception): pass
d674b557600c Add a SubprocessError base class for exceptions in the subprocess module. Gregory P. Smith <greg@krypto.org> parents: 68454 diff changeset	359
d674b557600c Add a SubprocessError base class for exceptions in the subprocess module. Gregory P. Smith <greg@krypto.org> parents: 68454 diff changeset	360
d674b557600c Add a SubprocessError base class for exceptions in the subprocess module. Gregory P. Smith <greg@krypto.org> parents: 68454 diff changeset	361 class CalledProcessError(SubprocessError):
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	362 """This exception is raised when a process run by check_call() or
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	363 check_output() returns a non-zero exit status.
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	364 The exit status will be stored in the returncode attribute;
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	365 check_output() will also store the output in the output attribute.
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	366 """
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	367 def __init__(self, returncode, cmd, output=None):
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	368 self.returncode = returncode
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	369 self.cmd = cmd
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	370 self.output = output
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	371 def __str__(self):
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	372 return "Command '%s' returned non-zero exit status %d" % (self.cmd, self.returncode)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	373
34302 998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	374
68463 d674b557600c Add a SubprocessError base class for exceptions in the subprocess module. Gregory P. Smith <greg@krypto.org> parents: 68454 diff changeset	375 class TimeoutExpired(SubprocessError):
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	376 """This exception is raised when the timeout expires while waiting for a
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	377 child process.
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	378 """
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	379 def __init__(self, cmd, timeout, output=None):
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	380 self.cmd = cmd
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	381 self.timeout = timeout
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	382 self.output = output
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	383
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	384 def __str__(self):
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	385 return ("Command '%s' timed out after %s seconds" %
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	386 (self.cmd, self.timeout))
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	387
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	388
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	389 if mswindows:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	390 import threading
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	391 import msvcrt
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	392 import _winapi
60923 91f9168aadd0 Merged revisions 80441 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 59209 diff changeset	393 class STARTUPINFO:
91f9168aadd0 Merged revisions 80441 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 59209 diff changeset	394 dwFlags = 0
91f9168aadd0 Merged revisions 80441 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 59209 diff changeset	395 hStdInput = None
91f9168aadd0 Merged revisions 80441 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 59209 diff changeset	396 hStdOutput = None
91f9168aadd0 Merged revisions 80441 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 59209 diff changeset	397 hStdError = None
91f9168aadd0 Merged revisions 80441 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 59209 diff changeset	398 wShowWindow = 0
91f9168aadd0 Merged revisions 80441 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 59209 diff changeset	399 class pywintypes:
91f9168aadd0 Merged revisions 80441 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 59209 diff changeset	400 error = IOError
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	401 else:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	402 import select
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	403 _has_poll = hasattr(select, 'poll')
70467 75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	404 import _posixsubprocess
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	405 _create_pipe = _posixsubprocess.cloexec_pipe
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	406
55626 fb5857f903fe Merged revisions 73917 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 55617 diff changeset	407 # When select or poll has indicated that the file is writable,
fb5857f903fe Merged revisions 73917 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 55617 diff changeset	408 # we can write up to _PIPE_BUF bytes without risk of blocking.
fb5857f903fe Merged revisions 73917 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 55617 diff changeset	409 # POSIX defines PIPE_BUF as >= 512.
fb5857f903fe Merged revisions 73917 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 55617 diff changeset	410 _PIPE_BUF = getattr(select, 'PIPE_BUF', 512)
fb5857f903fe Merged revisions 73917 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 55617 diff changeset	411
fb5857f903fe Merged revisions 73917 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 55617 diff changeset	412
47331 0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	413 __all__ = ["Popen", "PIPE", "STDOUT", "call", "check_call", "getstatusoutput",
68600 eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	414 "getoutput", "check_output", "CalledProcessError", "DEVNULL"]
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	415
60923 91f9168aadd0 Merged revisions 80441 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 59209 diff changeset	416 if mswindows:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	417 from _winapi import (CREATE_NEW_CONSOLE, CREATE_NEW_PROCESS_GROUP,
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	418 STD_INPUT_HANDLE, STD_OUTPUT_HANDLE,
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	419 STD_ERROR_HANDLE, SW_HIDE,
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	420 STARTF_USESTDHANDLES, STARTF_USESHOWWINDOW)
70050 654d473f2951 normalize whitespace. Gregory P. Smith <greg@krypto.org> parents: 70049 diff changeset	421
69690 4c3ae7d04664 merge Brian Curtin <brian@python.org> parents: 69155 69689 diff changeset	422 __all__.extend(["CREATE_NEW_CONSOLE", "CREATE_NEW_PROCESS_GROUP",
69689 80971f71b0d9 Further fix #7838. CREATE_NEW_CONSOLE was exposed, but none of the Brian Curtin <brian@python.org> parents: 69154 diff changeset	423 "STD_INPUT_HANDLE", "STD_OUTPUT_HANDLE",
80971f71b0d9 Further fix #7838. CREATE_NEW_CONSOLE was exposed, but none of the Brian Curtin <brian@python.org> parents: 69154 diff changeset	424 "STD_ERROR_HANDLE", "SW_HIDE",
80971f71b0d9 Further fix #7838. CREATE_NEW_CONSOLE was exposed, but none of the Brian Curtin <brian@python.org> parents: 69154 diff changeset	425 "STARTF_USESTDHANDLES", "STARTF_USESHOWWINDOW"])
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	426
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	427 class Handle(int):
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	428 closed = False
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	429
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	430 def Close(self, CloseHandle=_winapi.CloseHandle):
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	431 if not self.closed:
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	432 self.closed = True
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	433 CloseHandle(self)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	434
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	435 def Detach(self):
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	436 if not self.closed:
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	437 self.closed = True
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	438 return int(self)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	439 raise ValueError("already closed")
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	440
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	441 def __repr__(self):
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	442 return "Handle(%d)" % int(self)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	443
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	444 __del__ = Close
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	445 __str__ = __repr__
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	446
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	447 try:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	448 MAXFD = os.sysconf("SC_OPEN_MAX")
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	449 except:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	450 MAXFD = 256
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	451
71903 8ca7f109ce79 Issue #12650: Fix a race condition where a subprocess.Popen could leak Charles-François Natali <neologix@free.fr> parents: 71524 diff changeset	452 # This lists holds Popen instances for which the underlying process had not
8ca7f109ce79 Issue #12650: Fix a race condition where a subprocess.Popen could leak Charles-François Natali <neologix@free.fr> parents: 71524 diff changeset	453 # exited at the time its __del__ method got called: those processes are wait()ed
8ca7f109ce79 Issue #12650: Fix a race condition where a subprocess.Popen could leak Charles-François Natali <neologix@free.fr> parents: 71524 diff changeset	454 # for synchronously from _cleanup() when a new Popen object is created, to avoid
8ca7f109ce79 Issue #12650: Fix a race condition where a subprocess.Popen could leak Charles-François Natali <neologix@free.fr> parents: 71524 diff changeset	455 # zombie processes.
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	456 _active = []
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	457
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	458 def _cleanup():
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	459 for inst in _active[:]:
48680 7779af388aec Merged revisions 65459,65472,65481,65518,65536,65581,65609,65637,65641,65644-65645 via svnmerge from Georg Brandl <georg@python.org> parents: 48494 diff changeset	460 res = inst._internal_poll(_deadstate=sys.maxsize)
71903 8ca7f109ce79 Issue #12650: Fix a race condition where a subprocess.Popen could leak Charles-François Natali <neologix@free.fr> parents: 71524 diff changeset	461 if res is not None:
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	462 try:
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	463 _active.remove(inst)
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	464 except ValueError:
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	465 # This can happen if two threads create a new Popen instance.
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	466 # It's harmless that it was already removed, so ignore.
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	467 pass
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	468
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	469 PIPE = -1
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	470 STDOUT = -2
68600 eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	471 DEVNULL = -3
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	472
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	473
59209 1f158238fa76 Merged revisions 78524 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 57156 diff changeset	474 def _eintr_retry_call(func, *args):
1f158238fa76 Merged revisions 78524 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 57156 diff changeset	475 while True:
1f158238fa76 Merged revisions 78524 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 57156 diff changeset	476 try:
1f158238fa76 Merged revisions 78524 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 57156 diff changeset	477 return func(*args)
73085 90f81045613a Use InterruptedError instead of checking for EINTR Antoine Pitrou <solipsis@pitrou.net> parents: 72168 diff changeset	478 except InterruptedError:
90f81045613a Use InterruptedError instead of checking for EINTR Antoine Pitrou <solipsis@pitrou.net> parents: 72168 diff changeset	479 continue
59209 1f158238fa76 Merged revisions 78524 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 57156 diff changeset	480
1f158238fa76 Merged revisions 78524 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 57156 diff changeset	481
77036 2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	482 # XXX This function is only used by multiprocessing and the test suite,
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	483 # but it's here so that it can be imported when Python is compiled without
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	484 # threads.
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	485
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	486 def _args_from_interpreter_flags():
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	487 """Return a list of command-line arguments reproducing the current
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	488 settings in sys.flags and sys.warnoptions."""
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	489 flag_opt_map = {
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	490 'debug': 'd',
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	491 # 'inspect': 'i',
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	492 # 'interactive': 'i',
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	493 'optimize': 'O',
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	494 'dont_write_bytecode': 'B',
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	495 'no_user_site': 's',
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	496 'no_site': 'S',
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	497 'ignore_environment': 'E',
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	498 'verbose': 'v',
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	499 'bytes_warning': 'b',
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	500 'quiet': 'q',
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	501 'hash_randomization': 'R',
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	502 }
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	503 args = []
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	504 for flag, opt in flag_opt_map.items():
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	505 v = getattr(sys.flags, flag)
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	506 if v > 0:
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	507 args.append('-' + opt * v)
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	508 for opt in sys.warnoptions:
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	509 args.append('-W' + opt)
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	510 return args
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	511
2034b3de1144 Move private function _args_from_interpreter_flags() to subprocess.py, so Antoine Pitrou <solipsis@pitrou.net> parents: 76405 diff changeset	512
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	513 def call(popenargs, timeout=None, *kwargs):
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	514 """Run command with arguments. Wait for command to complete or
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	515 timeout, then return the returncode attribute.
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	516
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	517 The arguments are the same as for the Popen constructor. Example:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	518
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	519 retcode = call(["ls", "-l"])
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	520 """
72168 86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	521 with Popen(popenargs, *kwargs) as p:
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	522 try:
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	523 return p.wait(timeout=timeout)
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	524 except:
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	525 p.kill()
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	526 p.wait()
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	527 raise
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	528
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	529
34302 998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	530 def check_call(popenargs, *kwargs):
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	531 """Run command with arguments. Wait for command to complete. If
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	532 the exit code was zero then return, otherwise raise
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	533 CalledProcessError. The CalledProcessError object will have the
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	534 return code in the returncode attribute.
34302 998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	535
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	536 The arguments are the same as for the call function. Example:
34302 998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	537
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	538 check_call(["ls", "-l"])
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	539 """
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	540 retcode = call(popenargs, *kwargs)
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	541 if retcode:
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	542 cmd = kwargs.get("args")
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	543 if cmd is None:
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	544 cmd = popenargs[0]
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	545 raise CalledProcessError(retcode, cmd)
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	546 return 0
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	547
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	548
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	549 def check_output(popenargs, timeout=None, *kwargs):
65109 a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	550 r"""Run command with arguments and return its output as a byte string.
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	551
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	552 If the exit code was non-zero it raises a CalledProcessError. The
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	553 CalledProcessError object will have the return code in the returncode
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	554 attribute and output in the output attribute.
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	555
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	556 The arguments are the same as for the Popen constructor. Example:
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	557
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	558 >>> check_output(["ls", "-l", "/dev/null"])
65109 a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	559 b'crw-rw-rw- 1 root root 1, 3 Oct 18 2007 /dev/null\n'
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	560
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	561 The stdout argument is not allowed as it is used internally.
65109 a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	562 To capture standard error in the result, use stderr=STDOUT.
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	563
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	564 >>> check_output(["/bin/sh", "-c",
65109 a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	565 ... "ls -l non_existent_file ; exit 0"],
a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	566 ... stderr=STDOUT)
a68f8763555b Merged revisions 76923,76926,77009,77082-77083,77085,77087,77121 via svnmerge from Georg Brandl <georg@python.org> parents: 63930 diff changeset	567 b'ls: non_existent_file: No such file or directory\n'
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	568 """
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	569 if 'stdout' in kwargs:
024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	570 raise ValueError('stdout argument not allowed, it will be overridden.')
72168 86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	571 with Popen(popenargs, stdout=PIPE, *kwargs) as process:
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	572 try:
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	573 output, unused_err = process.communicate(timeout=timeout)
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	574 except TimeoutExpired:
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	575 process.kill()
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	576 output, unused_err = process.communicate()
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	577 raise TimeoutExpired(process.args, timeout, output=output)
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	578 except:
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	579 process.kill()
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	580 process.wait()
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	581 raise
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	582 retcode = process.poll()
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	583 if retcode:
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	584 raise CalledProcessError(retcode, process.args, output=output)
50074 024a9897c651 Merged revisions 67511,67536-67537,67543 via svnmerge from Georg Brandl <georg@python.org> parents: 48752 diff changeset	585 return output
34302 998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	586
998fb1e1c8e9 New subprocess utility function: check_call. Closes #1071764. Peter Astrand <astrand@lysator.liu.se> parents: 34111 diff changeset	587
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	588 def list2cmdline(seq):
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	589 """
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	590 Translate a sequence of arguments into a command line
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	591 string, using the same rules as the MS C runtime:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	592
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	593 1) Arguments are delimited by white space, which is either a
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	594 space or a tab.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	595
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	596 2) A string surrounded by double quotation marks is
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	597 interpreted as a single argument, regardless of white space
62404 5de52eb252da Merged revisions 82076 via svnmerge from Jean-Paul Calderone <exarkun@divmod.com> parents: 61585 diff changeset	598 contained within. A quoted string can be embedded in an
5de52eb252da Merged revisions 82076 via svnmerge from Jean-Paul Calderone <exarkun@divmod.com> parents: 61585 diff changeset	599 argument.
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	600
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	601 3) A double quotation mark preceded by a backslash is
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	602 interpreted as a literal double quotation mark.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	603
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	604 4) Backslashes are interpreted literally, unless they
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	605 immediately precede a double quotation mark.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	606
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	607 5) If backslashes immediately precede a double quotation mark,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	608 every pair of backslashes is interpreted as a literal
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	609 backslash. If the number of backslashes is odd, the last
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	610 backslash escapes the next double quotation mark as
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	611 described in rule 3.
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	612 """
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	613
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	614 # See
57156 667d9779cad6 Merged revisions 76170 via svnmerge from Eric Smith <eric@trueblade.com> parents: 55626 diff changeset	615 # http://msdn.microsoft.com/en-us/library/17w5ykft.aspx
667d9779cad6 Merged revisions 76170 via svnmerge from Eric Smith <eric@trueblade.com> parents: 55626 diff changeset	616 # or search http://msdn.microsoft.com for
667d9779cad6 Merged revisions 76170 via svnmerge from Eric Smith <eric@trueblade.com> parents: 55626 diff changeset	617 # "Parsing C++ Command-Line Arguments"
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	618 result = []
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	619 needquote = False
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	620 for arg in seq:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	621 bs_buf = []
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	622
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	623 # Add a space to separate this argument from the others
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	624 if result:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	625 result.append(' ')
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	626
62404 5de52eb252da Merged revisions 82076 via svnmerge from Jean-Paul Calderone <exarkun@divmod.com> parents: 61585 diff changeset	627 needquote = (" " in arg) or ("\t" in arg) or not arg
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	628 if needquote:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	629 result.append('"')
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	630
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	631 for c in arg:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	632 if c == '\\':
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	633 # Don't know if we need to double yet.
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	634 bs_buf.append(c)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	635 elif c == '"':
44810 fa6cee14dcba Merged revisions 60094-60123 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44160 diff changeset	636 # Double backslashes.
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	637 result.append('\\' * len(bs_buf)*2)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	638 bs_buf = []
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	639 result.append('\\"')
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	640 else:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	641 # Normal char
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	642 if bs_buf:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	643 result.extend(bs_buf)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	644 bs_buf = []
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	645 result.append(c)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	646
44810 fa6cee14dcba Merged revisions 60094-60123 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44160 diff changeset	647 # Add remaining backslashes, if any.
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	648 if bs_buf:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	649 result.extend(bs_buf)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	650
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	651 if needquote:
34675 8f0456425715 Corrected bug in list2cmdline wrt backslashes. Fixes #1083306. Peter Astrand <astrand@lysator.liu.se> parents: 34672 diff changeset	652 result.extend(bs_buf)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	653 result.append('"')
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	654
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	655 return ''.join(result)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	656
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	657
47331 0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	658 # Various tools for executing commands and looking at their output and status.
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	659 #
66867 eab8f91f5754 Get rid of the close_fds DeprecationWarning. Changes the default on a per Gregory P. Smith <greg@mad-scientist.com> parents: 66723 diff changeset	660 # NB This only works (and is only relevant) for POSIX.
47331 0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	661
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	662 def getstatusoutput(cmd):
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	663 """Return (status, output) of executing cmd in a shell.
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	664
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	665 Execute the string 'cmd' in a shell with os.popen() and return a 2-tuple
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	666 (status, output). cmd is actually run as '{ cmd ; } 2>&1', so that the
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	667 returned output will contain output or error messages. A trailing newline
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	668 is stripped from the output. The exit status for the command can be
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	669 interpreted according to the rules for the C function wait(). Example:
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	670
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	671 >>> import subprocess
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	672 >>> subprocess.getstatusoutput('ls /bin/ls')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	673 (0, '/bin/ls')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	674 >>> subprocess.getstatusoutput('cat /bin/junk')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	675 (256, 'cat: /bin/junk: No such file or directory')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	676 >>> subprocess.getstatusoutput('/bin/junk')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	677 (256, 'sh: /bin/junk: not found')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	678 """
72168 86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	679 with os.popen('{ ' + cmd + '; } 2>&1', 'r') as pipe:
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	680 try:
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	681 text = pipe.read()
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	682 sts = pipe.close()
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	683 except:
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	684 process = pipe._proc
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	685 process.kill()
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	686 process.wait()
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	687 raise
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	688 if sts is None:
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	689 sts = 0
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	690 if text[-1:] == '\n':
86b7f14485c9 Issue #12494: Close pipes and kill process on error in subprocess functions Victor Stinner <victor.stinner@haypocalc.com> parents: 71909 diff changeset	691 text = text[:-1]
47331 0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	692 return sts, text
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	693
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	694
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	695 def getoutput(cmd):
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	696 """Return output (stdout or stderr) of executing cmd in a shell.
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	697
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	698 Like getstatusoutput(), except the exit status is ignored and the return
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	699 value is a string containing the command's output. Example:
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	700
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	701 >>> import subprocess
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	702 >>> subprocess.getoutput('ls /bin/ls')
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	703 '/bin/ls'
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	704 """
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	705 return getstatusoutput(cmd)[1]
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	706
0525cd5b2582 The commands module has been removed. The getoutput() and getstatusoutput() Brett Cannon <bcannon@gmail.com> parents: 46505 diff changeset	707
66889 59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	708 _PLATFORM_DEFAULT_CLOSE_FDS = object()
66867 eab8f91f5754 Get rid of the close_fds DeprecationWarning. Changes the default on a per Gregory P. Smith <greg@mad-scientist.com> parents: 66723 diff changeset	709
eab8f91f5754 Get rid of the close_fds DeprecationWarning. Changes the default on a per Gregory P. Smith <greg@mad-scientist.com> parents: 66723 diff changeset	710
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	711 class Popen(object):
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	712 def __init__(self, args, bufsize=0, executable=None,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	713 stdin=None, stdout=None, stderr=None,
66889 59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	714 preexec_fn=None, close_fds=_PLATFORM_DEFAULT_CLOSE_FDS,
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	715 shell=False, cwd=None, env=None, universal_newlines=False,
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	716 startupinfo=None, creationflags=0,
66692 296e6f85f56d issue6559: Adds a pass_fds parameter to subprocess.Popen that allows the caller Gregory P. Smith <greg@mad-scientist.com> parents: 66676 diff changeset	717 restore_signals=True, start_new_session=False,
296e6f85f56d issue6559: Adds a pass_fds parameter to subprocess.Popen that allows the caller Gregory P. Smith <greg@mad-scientist.com> parents: 66676 diff changeset	718 pass_fds=()):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	719 """Create new Popen instance."""
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	720 _cleanup()
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	721
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	722 self._child_created = False
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	723 self._input = None
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	724 self._communication_started = False
41984 e420039368b7 The bufsize argument to Popen() should accept None meaning the default (0). Guido van Rossum <guido@python.org> parents: 41969 diff changeset	725 if bufsize is None:
e420039368b7 The bufsize argument to Popen() should accept None meaning the default (0). Guido van Rossum <guido@python.org> parents: 41969 diff changeset	726 bufsize = 0 # Restore default
41592 1e5a2a2b18ee Fix various spots where int/long and str/unicode unification Walter Dörwald <walter@livinglogic.de> parents: 41554 diff changeset	727 if not isinstance(bufsize, int):
34052 79d2ae0a62ef Raise TypeError if bufsize argument is not an integer. Patch 1071755, slightly modified. Peter Astrand <astrand@lysator.liu.se> parents: 34050 diff changeset	728 raise TypeError("bufsize must be an integer")
79d2ae0a62ef Raise TypeError if bufsize argument is not an integer. Patch 1071755, slightly modified. Peter Astrand <astrand@lysator.liu.se> parents: 34050 diff changeset	729
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	730 if mswindows:
33735 1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	731 if preexec_fn is not None:
1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	732 raise ValueError("preexec_fn is not supported on Windows "
1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	733 "platforms")
66889 59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	734 any_stdio_set = (stdin is not None or stdout is not None or
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	735 stderr is not None)
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	736 if close_fds is _PLATFORM_DEFAULT_CLOSE_FDS:
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	737 if any_stdio_set:
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	738 close_fds = False
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	739 else:
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	740 close_fds = True
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	741 elif close_fds and any_stdio_set:
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	742 raise ValueError(
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	743 "close_fds is not supported on Windows platforms"
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	744 " if you redirect stdin/stdout/stderr")
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	745 else:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	746 # POSIX
66889 59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	747 if close_fds is _PLATFORM_DEFAULT_CLOSE_FDS:
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	748 close_fds = True
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	749 if pass_fds and not close_fds:
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	750 warnings.warn("pass_fds overriding close_fds.", RuntimeWarning)
59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	751 close_fds = True
33735 1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	752 if startupinfo is not None:
1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	753 raise ValueError("startupinfo is only supported on Windows "
1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	754 "platforms")
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	755 if creationflags != 0:
33735 1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	756 raise ValueError("creationflags is only supported on Windows "
1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	757 "platforms")
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	758
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	759 self.args = args
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	760 self.stdin = None
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	761 self.stdout = None
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	762 self.stderr = None
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	763 self.pid = None
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	764 self.returncode = None
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	765 self.universal_newlines = universal_newlines
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	766
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	767 # Input and output objects. The general principle is like
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	768 # this:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	769 #
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	770 # Parent Child
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	771 # ------ -----
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	772 # p2cwrite ---stdin---> p2cread
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	773 # c2pread <--stdout--- c2pwrite
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	774 # errread <--stderr--- errwrite
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	775 #
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	776 # On POSIX, the child objects are file descriptors. On
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	777 # Windows, these are Windows file handles. The parent objects
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	778 # are file descriptors on both platforms. The parent objects
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	779 # are -1 when not using PIPEs. The child objects are -1
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	780 # when not redirecting.
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	781
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	782 (p2cread, p2cwrite,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	783 c2pread, c2pwrite,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	784 errread, errwrite) = self._get_handles(stdin, stdout, stderr)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	785
67358 8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	786 # We wrap OS handles before launching the child, otherwise a
8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	787 # quickly terminating child could make our fds unwrappable
8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	788 # (see #8458).
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	789
40893 32c4897b5d46 Merged revisions 53623-53858 via svnmerge from Thomas Wouters <thomas@python.org> parents: 40775 diff changeset	790 if mswindows:
59619 c45f21705ecb Fix an oversight in r78946 which causes failure in the subprocess module on Windows. Florent Xicluna <florent.xicluna@gmail.com> parents: 59613 diff changeset	791 if p2cwrite != -1:
51981 d77172eb6fe7 Merged revisions 70137 via svnmerge from Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> parents: 51776 diff changeset	792 p2cwrite = msvcrt.open_osfhandle(p2cwrite.Detach(), 0)
59619 c45f21705ecb Fix an oversight in r78946 which causes failure in the subprocess module on Windows. Florent Xicluna <florent.xicluna@gmail.com> parents: 59613 diff changeset	793 if c2pread != -1:
51981 d77172eb6fe7 Merged revisions 70137 via svnmerge from Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> parents: 51776 diff changeset	794 c2pread = msvcrt.open_osfhandle(c2pread.Detach(), 0)
59619 c45f21705ecb Fix an oversight in r78946 which causes failure in the subprocess module on Windows. Florent Xicluna <florent.xicluna@gmail.com> parents: 59613 diff changeset	795 if errread != -1:
51981 d77172eb6fe7 Merged revisions 70137 via svnmerge from Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> parents: 51776 diff changeset	796 errread = msvcrt.open_osfhandle(errread.Detach(), 0)
40893 32c4897b5d46 Merged revisions 53623-53858 via svnmerge from Thomas Wouters <thomas@python.org> parents: 40775 diff changeset	797
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	798 if p2cwrite != -1:
41845 9ce8fa0a0899 Make test_subprocess work. Fix universal newlines in io.py. Guido van Rossum <guido@python.org> parents: 41843 diff changeset	799 self.stdin = io.open(p2cwrite, 'wb', bufsize)
78590 65ef6ae39ea3 Cleanup universal_newlines usage for subprocess.Popen, remove unused param. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 78572 diff changeset	800 if universal_newlines:
71485 5cc536fbd7c1 Issue #12591: Improve support of "universal newlines" in the subprocess Antoine Pitrou <solipsis@pitrou.net> parents: 71228 diff changeset	801 self.stdin = io.TextIOWrapper(self.stdin, write_through=True)
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	802 if c2pread != -1:
41845 9ce8fa0a0899 Make test_subprocess work. Fix universal newlines in io.py. Guido van Rossum <guido@python.org> parents: 41843 diff changeset	803 self.stdout = io.open(c2pread, 'rb', bufsize)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	804 if universal_newlines:
41845 9ce8fa0a0899 Make test_subprocess work. Fix universal newlines in io.py. Guido van Rossum <guido@python.org> parents: 41843 diff changeset	805 self.stdout = io.TextIOWrapper(self.stdout)
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	806 if errread != -1:
41845 9ce8fa0a0899 Make test_subprocess work. Fix universal newlines in io.py. Guido van Rossum <guido@python.org> parents: 41843 diff changeset	807 self.stderr = io.open(errread, 'rb', bufsize)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	808 if universal_newlines:
41845 9ce8fa0a0899 Make test_subprocess work. Fix universal newlines in io.py. Guido van Rossum <guido@python.org> parents: 41843 diff changeset	809 self.stderr = io.TextIOWrapper(self.stderr)
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	810
67358 8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	811 try:
8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	812 self._execute_child(args, executable, preexec_fn, close_fds,
78590 65ef6ae39ea3 Cleanup universal_newlines usage for subprocess.Popen, remove unused param. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 78572 diff changeset	813 pass_fds, cwd, env,
67358 8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	814 startupinfo, creationflags, shell,
8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	815 p2cread, p2cwrite,
8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	816 c2pread, c2pwrite,
8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	817 errread, errwrite,
8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	818 restore_signals, start_new_session)
8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	819 except:
80368 63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	820 # Cleanup if the child failed starting.
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	821 for f in filter(None, (self.stdin, self.stdout, self.stderr)):
67358 8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	822 try:
8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	823 f.close()
8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	824 except EnvironmentError:
80368 63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	825 pass # Ignore EBADF or other errors.
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	826
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	827 # Make sure the child pipes are closed as well.
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	828 to_close = []
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	829 if stdin == PIPE:
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	830 to_close.append(p2cread)
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	831 if stdout == PIPE:
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	832 to_close.append(c2pwrite)
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	833 if stderr == PIPE:
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	834 to_close.append(errwrite)
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	835 for fd in to_close:
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	836 try:
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	837 os.close(fd)
63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	838 except EnvironmentError:
67358 8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	839 pass
80368 63ff4c9a2ed2 Fixes issue #16327: The subprocess module no longer leaks file descriptors Gregory P. Smith <greg@krypto.org> parents: 80362 diff changeset	840
67358 8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	841 raise
8af6e8fc0205 In subprocess, wrap pipe fds before launching the child. Hopefully this Antoine Pitrou <solipsis@pitrou.net> parents: 67331 diff changeset	842
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	843
43777 0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch. Guido van Rossum <guido@python.org> parents: 43684 diff changeset	844 def _translate_newlines(self, data, encoding):
78655 a0f7c2f79bce Issue #15595: Fix subprocess.Popen(universal_newlines=True) Andrew Svetlov <andrew.svetlov@gmail.com> parents: 75524 diff changeset	845 data = data.decode(encoding)
a0f7c2f79bce Issue #15595: Fix subprocess.Popen(universal_newlines=True) Andrew Svetlov <andrew.svetlov@gmail.com> parents: 75524 diff changeset	846 return data.replace("\r\n", "\n").replace("\r", "\n")
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	847
66622 e02021fbfe22 Fix #10554. Added context manager support to Popen objects. Brian Curtin <brian.curtin@gmail.com> parents: 66309 diff changeset	848 def __enter__(self):
e02021fbfe22 Fix #10554. Added context manager support to Popen objects. Brian Curtin <brian.curtin@gmail.com> parents: 66309 diff changeset	849 return self
e02021fbfe22 Fix #10554. Added context manager support to Popen objects. Brian Curtin <brian.curtin@gmail.com> parents: 66309 diff changeset	850
e02021fbfe22 Fix #10554. Added context manager support to Popen objects. Brian Curtin <brian.curtin@gmail.com> parents: 66309 diff changeset	851 def __exit__(self, type, value, traceback):
e02021fbfe22 Fix #10554. Added context manager support to Popen objects. Brian Curtin <brian.curtin@gmail.com> parents: 66309 diff changeset	852 if self.stdout:
e02021fbfe22 Fix #10554. Added context manager support to Popen objects. Brian Curtin <brian.curtin@gmail.com> parents: 66309 diff changeset	853 self.stdout.close()
e02021fbfe22 Fix #10554. Added context manager support to Popen objects. Brian Curtin <brian.curtin@gmail.com> parents: 66309 diff changeset	854 if self.stderr:
e02021fbfe22 Fix #10554. Added context manager support to Popen objects. Brian Curtin <brian.curtin@gmail.com> parents: 66309 diff changeset	855 self.stderr.close()
e02021fbfe22 Fix #10554. Added context manager support to Popen objects. Brian Curtin <brian.curtin@gmail.com> parents: 66309 diff changeset	856 if self.stdin:
e02021fbfe22 Fix #10554. Added context manager support to Popen objects. Brian Curtin <brian.curtin@gmail.com> parents: 66309 diff changeset	857 self.stdin.close()
70049 b00a64a5cb93 merge - 7a3f3ad83676 Fixes Issue #12044. Gregory P. Smith <greg@krypto.org> parents: 69690 diff changeset	858 # Wait for the process to terminate, to avoid zombies.
b00a64a5cb93 merge - 7a3f3ad83676 Fixes Issue #12044. Gregory P. Smith <greg@krypto.org> parents: 69690 diff changeset	859 self.wait()
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	860
61569 58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	861 def __del__(self, _maxsize=sys.maxsize, _active=_active):
70554 0f2714e49583 Close #12085: Fix an attribute error in subprocess.Popen destructor if the Victor Stinner <victor.stinner@haypocalc.com> parents: 70050 diff changeset	862 # If __init__ hasn't had a chance to execute (e.g. if it
0f2714e49583 Close #12085: Fix an attribute error in subprocess.Popen destructor if the Victor Stinner <victor.stinner@haypocalc.com> parents: 70050 diff changeset	863 # was passed an undeclared keyword argument), we don't
0f2714e49583 Close #12085: Fix an attribute error in subprocess.Popen destructor if the Victor Stinner <victor.stinner@haypocalc.com> parents: 70050 diff changeset	864 # have a _child_created attribute at all.
0f2714e49583 Close #12085: Fix an attribute error in subprocess.Popen destructor if the Victor Stinner <victor.stinner@haypocalc.com> parents: 70050 diff changeset	865 if not getattr(self, '_child_created', False):
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	866 # We didn't get to successfully create a child process.
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	867 return
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	868 # In case the child hasn't been waited on, check if it's done.
61569 58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	869 self._internal_poll(_deadstate=_maxsize)
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	870 if self.returncode is None and _active is not None:
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	871 # Child is still running, keep us alive until we can wait on it.
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	872 _active.append(self)
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	873
68600 eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	874 def _get_devnull(self):
eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	875 if not hasattr(self, '_devnull'):
eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	876 self._devnull = os.open(os.devnull, os.O_RDWR)
eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	877 return self._devnull
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	878
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	879 def communicate(self, input=None, timeout=None):
34672 085bc27f92b7 Optimization for communicate(): If only one of stdin/stdout/stderr is Peter Astrand <astrand@lysator.liu.se> parents: 34624 diff changeset	880 """Interact with process: Send data to stdin. Read data from
085bc27f92b7 Optimization for communicate(): If only one of stdin/stdout/stderr is Peter Astrand <astrand@lysator.liu.se> parents: 34624 diff changeset	881 stdout and stderr, until end-of-file is reached. Wait for
70289 6354b4ceba1d Update documentation to mention bytes instead byte string and correct one Gregory P. Smith <greg@krypto.org> parents: 70052 diff changeset	882 process to terminate. The optional input argument should be
6354b4ceba1d Update documentation to mention bytes instead byte string and correct one Gregory P. Smith <greg@krypto.org> parents: 70052 diff changeset	883 bytes to be sent to the child process, or None, if no data
34672 085bc27f92b7 Optimization for communicate(): If only one of stdin/stdout/stderr is Peter Astrand <astrand@lysator.liu.se> parents: 34624 diff changeset	884 should be sent to the child.
34818 4eaab38566c9 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 34675 diff changeset	885
34672 085bc27f92b7 Optimization for communicate(): If only one of stdin/stdout/stderr is Peter Astrand <astrand@lysator.liu.se> parents: 34624 diff changeset	886 communicate() returns a tuple (stdout, stderr)."""
085bc27f92b7 Optimization for communicate(): If only one of stdin/stdout/stderr is Peter Astrand <astrand@lysator.liu.se> parents: 34624 diff changeset	887
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	888 if self._communication_started and input:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	889 raise ValueError("Cannot send input after starting communication")
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	890
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	891 # Optimization: If we are not worried about timeouts, we haven't
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	892 # started communicating, and we have one or zero pipes, using select()
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	893 # or threads is unnecessary.
69152 3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	894 if (timeout is None and not self._communication_started and
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	895 [self.stdin, self.stdout, self.stderr].count(None) >= 2):
34818 4eaab38566c9 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 34675 diff changeset	896 stdout = None
4eaab38566c9 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 34675 diff changeset	897 stderr = None
34672 085bc27f92b7 Optimization for communicate(): If only one of stdin/stdout/stderr is Peter Astrand <astrand@lysator.liu.se> parents: 34624 diff changeset	898 if self.stdin:
085bc27f92b7 Optimization for communicate(): If only one of stdin/stdout/stderr is Peter Astrand <astrand@lysator.liu.se> parents: 34624 diff changeset	899 if input:
69154 158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	900 try:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	901 self.stdin.write(input)
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	902 except IOError as e:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	903 if e.errno != errno.EPIPE and e.errno != errno.EINVAL:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	904 raise
34672 085bc27f92b7 Optimization for communicate(): If only one of stdin/stdout/stderr is Peter Astrand <astrand@lysator.liu.se> parents: 34624 diff changeset	905 self.stdin.close()
085bc27f92b7 Optimization for communicate(): If only one of stdin/stdout/stderr is Peter Astrand <astrand@lysator.liu.se> parents: 34624 diff changeset	906 elif self.stdout:
71228 dcfacc2d93b4 Issue #12493: subprocess: communicate() handles EINTR Victor Stinner <victor.stinner@haypocalc.com> parents: 70921 diff changeset	907 stdout = _eintr_retry_call(self.stdout.read)
47557 98827a21e352 Merged revisions 63724,63726,63732,63744,63754-63755,63757-63758,63760,63775,63781-63782,63787,63805-63808,63818-63819,63823-63824 via svnmerge from Georg Brandl <georg@python.org> parents: 47331 diff changeset	908 self.stdout.close()
34672 085bc27f92b7 Optimization for communicate(): If only one of stdin/stdout/stderr is Peter Astrand <astrand@lysator.liu.se> parents: 34624 diff changeset	909 elif self.stderr:
71228 dcfacc2d93b4 Issue #12493: subprocess: communicate() handles EINTR Victor Stinner <victor.stinner@haypocalc.com> parents: 70921 diff changeset	910 stderr = _eintr_retry_call(self.stderr.read)
47557 98827a21e352 Merged revisions 63724,63726,63732,63744,63754-63755,63757-63758,63760,63775,63781-63782,63787,63805-63808,63818-63819,63823-63824 via svnmerge from Georg Brandl <georg@python.org> parents: 47331 diff changeset	911 self.stderr.close()
34672 085bc27f92b7 Optimization for communicate(): If only one of stdin/stdout/stderr is Peter Astrand <astrand@lysator.liu.se> parents: 34624 diff changeset	912 self.wait()
69152 3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	913 else:
3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	914 if timeout is not None:
77243 1345cf58738d Close #14690: Use monotonic clock instead of system clock in the sched, Victor Stinner <victor.stinner@gmail.com> parents: 77154 diff changeset	915 endtime = _time() + timeout
69152 3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	916 else:
3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	917 endtime = None
34818 4eaab38566c9 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 34675 diff changeset	918
69152 3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	919 try:
3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	920 stdout, stderr = self._communicate(input, endtime, timeout)
3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	921 finally:
3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	922 self._communication_started = True
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	923
69152 3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	924 sts = self.wait(timeout=self._remaining_time(endtime))
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	925
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	926 return (stdout, stderr)
34672 085bc27f92b7 Optimization for communicate(): If only one of stdin/stdout/stderr is Peter Astrand <astrand@lysator.liu.se> parents: 34624 diff changeset	927
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	928
48680 7779af388aec Merged revisions 65459,65472,65481,65518,65536,65581,65609,65637,65641,65644-65645 via svnmerge from Georg Brandl <georg@python.org> parents: 48494 diff changeset	929 def poll(self):
7779af388aec Merged revisions 65459,65472,65481,65518,65536,65581,65609,65637,65641,65644-65645 via svnmerge from Georg Brandl <georg@python.org> parents: 48494 diff changeset	930 return self._internal_poll()
7779af388aec Merged revisions 65459,65472,65481,65518,65536,65581,65609,65637,65641,65644-65645 via svnmerge from Georg Brandl <georg@python.org> parents: 48494 diff changeset	931
7779af388aec Merged revisions 65459,65472,65481,65518,65536,65581,65609,65637,65641,65644-65645 via svnmerge from Georg Brandl <georg@python.org> parents: 48494 diff changeset	932
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	933 def _remaining_time(self, endtime):
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	934 """Convenience for _communicate when computing timeouts."""
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	935 if endtime is None:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	936 return None
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	937 else:
77243 1345cf58738d Close #14690: Use monotonic clock instead of system clock in the sched, Victor Stinner <victor.stinner@gmail.com> parents: 77154 diff changeset	938 return endtime - _time()
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	939
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	940
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	941 def _check_timeout(self, endtime, orig_timeout):
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	942 """Convenience for checking if a timeout has expired."""
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	943 if endtime is None:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	944 return
77243 1345cf58738d Close #14690: Use monotonic clock instead of system clock in the sched, Victor Stinner <victor.stinner@gmail.com> parents: 77154 diff changeset	945 if _time() > endtime:
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	946 raise TimeoutExpired(self.args, orig_timeout)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	947
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	948
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	949 if mswindows:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	950 #
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	951 # Windows methods
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	952 #
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	953 def _get_handles(self, stdin, stdout, stderr):
55617 a267c604465f Recorded merge of revisions 74057 via svnmerge from Georg Brandl <georg@python.org> parents: 55602 diff changeset	954 """Construct and return tuple with IO objects:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	955 p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	956 """
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	957 if stdin is None and stdout is None and stderr is None:
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	958 return (-1, -1, -1, -1, -1, -1)
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	959
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	960 p2cread, p2cwrite = -1, -1
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	961 c2pread, c2pwrite = -1, -1
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	962 errread, errwrite = -1, -1
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	963
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	964 if stdin is None:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	965 p2cread = _winapi.GetStdHandle(_winapi.STD_INPUT_HANDLE)
51981 d77172eb6fe7 Merged revisions 70137 via svnmerge from Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> parents: 51776 diff changeset	966 if p2cread is None:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	967 p2cread, _ = _winapi.CreatePipe(None, 0)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	968 p2cread = Handle(p2cread)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	969 _winapi.CloseHandle(_)
51981 d77172eb6fe7 Merged revisions 70137 via svnmerge from Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> parents: 51776 diff changeset	970 elif stdin == PIPE:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	971 p2cread, p2cwrite = _winapi.CreatePipe(None, 0)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	972 p2cread, p2cwrite = Handle(p2cread), Handle(p2cwrite)
68600 eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	973 elif stdin == DEVNULL:
eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	974 p2cread = msvcrt.get_osfhandle(self._get_devnull())
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	975 elif isinstance(stdin, int):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	976 p2cread = msvcrt.get_osfhandle(stdin)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	977 else:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	978 # Assuming file-like object
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	979 p2cread = msvcrt.get_osfhandle(stdin.fileno())
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	980 p2cread = self._make_inheritable(p2cread)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	981
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	982 if stdout is None:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	983 c2pwrite = _winapi.GetStdHandle(_winapi.STD_OUTPUT_HANDLE)
51981 d77172eb6fe7 Merged revisions 70137 via svnmerge from Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> parents: 51776 diff changeset	984 if c2pwrite is None:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	985 _, c2pwrite = _winapi.CreatePipe(None, 0)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	986 c2pwrite = Handle(c2pwrite)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	987 _winapi.CloseHandle(_)
51981 d77172eb6fe7 Merged revisions 70137 via svnmerge from Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> parents: 51776 diff changeset	988 elif stdout == PIPE:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	989 c2pread, c2pwrite = _winapi.CreatePipe(None, 0)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	990 c2pread, c2pwrite = Handle(c2pread), Handle(c2pwrite)
68600 eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	991 elif stdout == DEVNULL:
eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	992 c2pwrite = msvcrt.get_osfhandle(self._get_devnull())
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	993 elif isinstance(stdout, int):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	994 c2pwrite = msvcrt.get_osfhandle(stdout)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	995 else:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	996 # Assuming file-like object
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	997 c2pwrite = msvcrt.get_osfhandle(stdout.fileno())
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	998 c2pwrite = self._make_inheritable(c2pwrite)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	999
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1000 if stderr is None:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1001 errwrite = _winapi.GetStdHandle(_winapi.STD_ERROR_HANDLE)
51981 d77172eb6fe7 Merged revisions 70137 via svnmerge from Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> parents: 51776 diff changeset	1002 if errwrite is None:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1003 _, errwrite = _winapi.CreatePipe(None, 0)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1004 errwrite = Handle(errwrite)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1005 _winapi.CloseHandle(_)
51981 d77172eb6fe7 Merged revisions 70137 via svnmerge from Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp> parents: 51776 diff changeset	1006 elif stderr == PIPE:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1007 errread, errwrite = _winapi.CreatePipe(None, 0)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1008 errread, errwrite = Handle(errread), Handle(errwrite)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1009 elif stderr == STDOUT:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1010 errwrite = c2pwrite
68600 eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	1011 elif stderr == DEVNULL:
eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	1012 errwrite = msvcrt.get_osfhandle(self._get_devnull())
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1013 elif isinstance(stderr, int):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1014 errwrite = msvcrt.get_osfhandle(stderr)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1015 else:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1016 # Assuming file-like object
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1017 errwrite = msvcrt.get_osfhandle(stderr.fileno())
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1018 errwrite = self._make_inheritable(errwrite)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1019
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1020 return (p2cread, p2cwrite,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1021 c2pread, c2pwrite,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1022 errread, errwrite)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1023
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1024
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1025 def _make_inheritable(self, handle):
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1026 """Return a duplicate of handle, which is inheritable"""
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1027 h = _winapi.DuplicateHandle(
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1028 _winapi.GetCurrentProcess(), handle,
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1029 _winapi.GetCurrentProcess(), 0, 1,
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1030 _winapi.DUPLICATE_SAME_ACCESS)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1031 return Handle(h)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1032
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1033
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1034 def _find_w9xpopen(self):
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1035 """Find and return absolut path to w9xpopen.exe"""
60923 91f9168aadd0 Merged revisions 80441 via svnmerge from Brian Curtin <brian.curtin@gmail.com> parents: 59209 diff changeset	1036 w9xpopen = os.path.join(
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1037 os.path.dirname(_winapi.GetModuleFileName(0)),
33735 1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	1038 "w9xpopen.exe")
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1039 if not os.path.exists(w9xpopen):
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1040 # Eeek - file-not-found - possibly an embedding
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1041 # situation - see if we can locate it in sys.exec_prefix
77154 294f8aeb4d4b Implemented PEP 405 (Python virtual environments). Vinay Sajip <vinay_sajip@yahoo.co.uk> parents: 77036 diff changeset	1042 w9xpopen = os.path.join(os.path.dirname(sys.base_exec_prefix),
33735 1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	1043 "w9xpopen.exe")
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1044 if not os.path.exists(w9xpopen):
33735 1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	1045 raise RuntimeError("Cannot locate w9xpopen.exe, which is "
1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	1046 "needed for Popen to work with your "
1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	1047 "shell or platform.")
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1048 return w9xpopen
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1049
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	1050
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1051 def _execute_child(self, args, executable, preexec_fn, close_fds,
78590 65ef6ae39ea3 Cleanup universal_newlines usage for subprocess.Popen, remove unused param. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 78572 diff changeset	1052 pass_fds, cwd, env,
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1053 startupinfo, creationflags, shell,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1054 p2cread, p2cwrite,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1055 c2pread, c2pwrite,
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1056 errread, errwrite,
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1057 unused_restore_signals, unused_start_new_session):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1058 """Execute program (MS Windows version)"""
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1059
66889 59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	1060 assert not pass_fds, "pass_fds not supported on Windows."
66692 296e6f85f56d issue6559: Adds a pass_fds parameter to subprocess.Popen that allows the caller Gregory P. Smith <greg@mad-scientist.com> parents: 66676 diff changeset	1061
43577 ace45b361e87 Patch# 1258 by Christian Heimes: kill basestring. Guido van Rossum <guido@python.org> parents: 43487 diff changeset	1062 if not isinstance(args, str):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1063 args = list2cmdline(args)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1064
33929 66223a9ebe48 When using shell=True on Windows, don't display a shell window by default. Fixes #1057061. Peter Astrand <astrand@lysator.liu.se> parents: 33776 diff changeset	1065 # Process startup details
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1066 if startupinfo is None:
38673 a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 38453 diff changeset	1067 startupinfo = STARTUPINFO()
61793 441491572fce Issue #8780: Fix a regression introduced by r78946 in subprocess on Windows Victor Stinner <victor.stinner@haypocalc.com> parents: 61693 diff changeset	1068 if -1 not in (p2cread, c2pwrite, errwrite):
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1069 startupinfo.dwFlags \|= _winapi.STARTF_USESTDHANDLES
33929 66223a9ebe48 When using shell=True on Windows, don't display a shell window by default. Fixes #1057061. Peter Astrand <astrand@lysator.liu.se> parents: 33776 diff changeset	1070 startupinfo.hStdInput = p2cread
66223a9ebe48 When using shell=True on Windows, don't display a shell window by default. Fixes #1057061. Peter Astrand <astrand@lysator.liu.se> parents: 33776 diff changeset	1071 startupinfo.hStdOutput = c2pwrite
66223a9ebe48 When using shell=True on Windows, don't display a shell window by default. Fixes #1057061. Peter Astrand <astrand@lysator.liu.se> parents: 33776 diff changeset	1072 startupinfo.hStdError = errwrite
66223a9ebe48 When using shell=True on Windows, don't display a shell window by default. Fixes #1057061. Peter Astrand <astrand@lysator.liu.se> parents: 33776 diff changeset	1073
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1074 if shell:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1075 startupinfo.dwFlags \|= _winapi.STARTF_USESHOWWINDOW
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1076 startupinfo.wShowWindow = _winapi.SW_HIDE
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1077 comspec = os.environ.get("COMSPEC", "cmd.exe")
63930 8499ae5d9719 #2304: fix incorporating Eric Smith's .format suggestion and tested on Ubuntu as well as Windows Tim Golden <mail@timgolden.me.uk> parents: 63843 diff changeset	1078 args = '{} /c "{}"'.format (comspec, args)
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1079 if (_winapi.GetVersion() >= 0x80000000 or
33735 1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	1080 os.path.basename(comspec).lower() == "command.com"):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1081 # Win9x, or using command.com on NT. We need to
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1082 # use the w9xpopen intermediate program. For more
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1083 # information, see KB Q150956
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1084 # (http://web.archive.org/web/20011105084002/http://support.microsoft.com/support/kb/articles/Q150/9/56.asp)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1085 w9xpopen = self._find_w9xpopen()
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1086 args = '"%s" %s' % (w9xpopen, args)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1087 # Not passing CREATE_NEW_CONSOLE has been known to
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1088 # cause random failures on win9x. Specifically a
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1089 # dialog: "Your program accessed mem currently in
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1090 # use at xxx" and a hopeful warning about the
51776 d06a3ebf306f Merged revisions 69846 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 51721 diff changeset	1091 # stability of your system. Cost is Ctrl+C won't
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1092 # kill children.
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1093 creationflags \|= _winapi.CREATE_NEW_CONSOLE
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1094
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1095 # Start the process
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1096 try:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1097 hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
33735 1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	1098 # no special security
1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	1099 None, None,
41969 9d02a4adf574 Merged revisions 55631-55794 via svnmerge from Guido van Rossum <guido@python.org> parents: 41845 diff changeset	1100 int(not close_fds),
33735 1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	1101 creationflags,
1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	1102 env,
1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	1103 cwd,
1383c4692af7 Folded long lines. Tim Peters <tim.peters@gmail.com> parents: 33731 diff changeset	1104 startupinfo)
40587 6b18a095c2e7 SF patch 1631942 by Collin Winter: Guido van Rossum <guido@python.org> parents: 40582 diff changeset	1105 except pywintypes.error as e:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1106 # Translate pywintypes.error to WindowsError, which is
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1107 # a subclass of OSError. FIXME: We should really
68585 bf94b6a73fc8 #11565: Fix several typos. Patch by Piotr Kasprzyk. Ezio Melotti <ezio.melotti@gmail.com> parents: 67311 diff changeset	1108 # translate errno using _sys_errlist (or similar), but
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1109 # how can this be done from Python?
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1110 raise WindowsError(*e.args)
63816 f4d92c6d4d42 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63095 diff changeset	1111 finally:
f4d92c6d4d42 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63095 diff changeset	1112 # Child is launched. Close the parent's copy of those pipe
f4d92c6d4d42 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63095 diff changeset	1113 # handles that only the child should have open. You need
f4d92c6d4d42 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63095 diff changeset	1114 # to make sure that no handles to the write end of the
f4d92c6d4d42 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63095 diff changeset	1115 # output pipe are maintained in this process or else the
f4d92c6d4d42 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63095 diff changeset	1116 # pipe will not close when the child process exits and the
f4d92c6d4d42 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63095 diff changeset	1117 # ReadFile will hang.
63815 e41ca6672f82 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63094 diff changeset	1118 if p2cread != -1:
63816 f4d92c6d4d42 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63095 diff changeset	1119 p2cread.Close()
63815 e41ca6672f82 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63094 diff changeset	1120 if c2pwrite != -1:
63816 f4d92c6d4d42 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63095 diff changeset	1121 c2pwrite.Close()
63815 e41ca6672f82 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63094 diff changeset	1122 if errwrite != -1:
63816 f4d92c6d4d42 Issue #3210: Revert C module changes and apply patch from Hirokazu Yamamoto instead Tim Golden <mail@timgolden.me.uk> parents: 63095 diff changeset	1123 errwrite.Close()
68600 eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	1124 if hasattr(self, '_devnull'):
eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	1125 os.close(self._devnull)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1126
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1127 # Retain the process handle, but close the thread handle
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	1128 self._child_created = True
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1129 self._handle = Handle(hp)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1130 self.pid = pid
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1131 _winapi.CloseHandle(ht)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1132
61569 58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1133 def _internal_poll(self, _deadstate=None,
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1134 _WaitForSingleObject=_winapi.WaitForSingleObject,
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1135 _WAIT_OBJECT_0=_winapi.WAIT_OBJECT_0,
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1136 _GetExitCodeProcess=_winapi.GetExitCodeProcess):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1137 """Check if child process has terminated. Returns returncode
61569 58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1138 attribute.
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1139
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1140 This method is called by __del__, so it can only refer to objects
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1141 in its local scope.
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1142
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1143 """
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1144 if self.returncode is None:
61569 58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1145 if _WaitForSingleObject(self._handle, 0) == _WAIT_OBJECT_0:
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1146 self.returncode = _GetExitCodeProcess(self._handle)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1147 return self.returncode
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1148
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1149
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1150 def wait(self, timeout=None, endtime=None):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1151 """Wait for child process to terminate. Returns returncode
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1152 attribute."""
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1153 if endtime is not None:
a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1154 timeout = self._remaining_time(endtime)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1155 if timeout is None:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1156 timeout_millis = _winapi.INFINITE
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1157 else:
68807 ab2363f89058 Fix timeout error message on windows to not be in milliseconds. Reid Kleckner <reid@kleckner.net> parents: 68750 diff changeset	1158 timeout_millis = int(timeout * 1000)
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1159 if self.returncode is None:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1160 result = _winapi.WaitForSingleObject(self._handle,
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1161 timeout_millis)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1162 if result == _winapi.WAIT_TIMEOUT:
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1163 raise TimeoutExpired(self.args, timeout)
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1164 self.returncode = _winapi.GetExitCodeProcess(self._handle)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1165 return self.returncode
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1166
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1167
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1168 def _readerthread(self, fh, buffer):
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1169 buffer.append(fh.read())
67130 38d66980187e Issue #10763: subprocess.communicate() closes stdout and stderr if both are Victor Stinner <victor.stinner@haypocalc.com> parents: 66893 diff changeset	1170 fh.close()
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1171
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1172
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1173 def _communicate(self, input, endtime, orig_timeout):
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1174 # Start reader threads feeding into a list hanging off of this
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1175 # object, unless they've already been started.
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1176 if self.stdout and not hasattr(self, "_stdout_buff"):
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1177 self._stdout_buff = []
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1178 self.stdout_thread = \
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1179 threading.Thread(target=self._readerthread,
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1180 args=(self.stdout, self._stdout_buff))
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1181 self.stdout_thread.daemon = True
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1182 self.stdout_thread.start()
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1183 if self.stderr and not hasattr(self, "_stderr_buff"):
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1184 self._stderr_buff = []
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1185 self.stderr_thread = \
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1186 threading.Thread(target=self._readerthread,
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1187 args=(self.stderr, self._stderr_buff))
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1188 self.stderr_thread.daemon = True
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1189 self.stderr_thread.start()
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1190
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1191 if self.stdin:
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1192 if input is not None:
69154 158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1193 try:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1194 self.stdin.write(input)
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1195 except IOError as e:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1196 if e.errno != errno.EPIPE:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1197 raise
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1198 self.stdin.close()
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1199
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1200 # Wait for the reader threads, or time out. If we time out, the
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1201 # threads remain reading and the fds left open in case the user
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1202 # calls communicate again.
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1203 if self.stdout is not None:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1204 self.stdout_thread.join(self._remaining_time(endtime))
78654 882da270d21a Use Thread.is_alive() instead of old-style Thread.isAlive() in subprocess. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 78590 diff changeset	1205 if self.stdout_thread.is_alive():
68750 6017c431ff0d Fix the Windows timeout code. Reid Kleckner <reid@kleckner.net> parents: 68681 diff changeset	1206 raise TimeoutExpired(self.args, orig_timeout)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1207 if self.stderr is not None:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1208 self.stderr_thread.join(self._remaining_time(endtime))
78654 882da270d21a Use Thread.is_alive() instead of old-style Thread.isAlive() in subprocess. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 78590 diff changeset	1209 if self.stderr_thread.is_alive():
68750 6017c431ff0d Fix the Windows timeout code. Reid Kleckner <reid@kleckner.net> parents: 68681 diff changeset	1210 raise TimeoutExpired(self.args, orig_timeout)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1211
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1212 # Collect the output from and close both pipes, now that we know
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1213 # both have been read successfully.
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1214 stdout = None
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1215 stderr = None
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1216 if self.stdout:
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1217 stdout = self._stdout_buff
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1218 self.stdout.close()
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1219 if self.stderr:
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1220 stderr = self._stderr_buff
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1221 self.stderr.close()
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1222
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1223 # All data exchanged. Translate lists into strings.
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1224 if stdout is not None:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1225 stdout = stdout[0]
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1226 if stderr is not None:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1227 stderr = stderr[0]
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1228
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1229 return (stdout, stderr)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1230
46505 63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1231 def send_signal(self, sig):
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1232 """Send a signal to the process
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1233 """
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1234 if sig == signal.SIGTERM:
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1235 self.terminate()
60556 a2f5b3b19eb2 Port #1220212 (os.kill for Win32) to py3k. Brian Curtin <brian.curtin@gmail.com> parents: 59619 diff changeset	1236 elif sig == signal.CTRL_C_EVENT:
a2f5b3b19eb2 Port #1220212 (os.kill for Win32) to py3k. Brian Curtin <brian.curtin@gmail.com> parents: 59619 diff changeset	1237 os.kill(self.pid, signal.CTRL_C_EVENT)
a2f5b3b19eb2 Port #1220212 (os.kill for Win32) to py3k. Brian Curtin <brian.curtin@gmail.com> parents: 59619 diff changeset	1238 elif sig == signal.CTRL_BREAK_EVENT:
a2f5b3b19eb2 Port #1220212 (os.kill for Win32) to py3k. Brian Curtin <brian.curtin@gmail.com> parents: 59619 diff changeset	1239 os.kill(self.pid, signal.CTRL_BREAK_EVENT)
46505 63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1240 else:
64518 1a1e7254d965 Adjust #8956 to add the bad signal number to the exception message. Brian Curtin <brian.curtin@gmail.com> parents: 64493 diff changeset	1241 raise ValueError("Unsupported signal: {}".format(sig))
46505 63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1242
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1243 def terminate(self):
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1244 """Terminates the process
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1245 """
75524 41b1fe5a75a6 Issue #14252: Fix subprocess.Popen.terminate() to not raise an error under Windows when the child process has already exited. Antoine Pitrou <solipsis@pitrou.net> parents: 71903 diff changeset	1246 try:
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1247 _winapi.TerminateProcess(self._handle, 1)
75525 f452d7d5470d Issue #14252: Fix subprocess.Popen.terminate() to not raise an error under Windows when the child process has already exited. Antoine Pitrou <solipsis@pitrou.net> parents: 73085 75524 diff changeset	1248 except PermissionError:
75524 41b1fe5a75a6 Issue #14252: Fix subprocess.Popen.terminate() to not raise an error under Windows when the child process has already exited. Antoine Pitrou <solipsis@pitrou.net> parents: 71903 diff changeset	1249 # ERROR_ACCESS_DENIED (winerror 5) is received when the
41b1fe5a75a6 Issue #14252: Fix subprocess.Popen.terminate() to not raise an error under Windows when the child process has already exited. Antoine Pitrou <solipsis@pitrou.net> parents: 71903 diff changeset	1250 # process already died.
76405 f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1251 rc = _winapi.GetExitCodeProcess(self._handle)
f3a27d11101a Issue #11750: The Windows API functions scattered in the _subprocess and Antoine Pitrou <solipsis@pitrou.net> parents: 75525 diff changeset	1252 if rc == _winapi.STILL_ACTIVE:
75524 41b1fe5a75a6 Issue #14252: Fix subprocess.Popen.terminate() to not raise an error under Windows when the child process has already exited. Antoine Pitrou <solipsis@pitrou.net> parents: 71903 diff changeset	1253 raise
41b1fe5a75a6 Issue #14252: Fix subprocess.Popen.terminate() to not raise an error under Windows when the child process has already exited. Antoine Pitrou <solipsis@pitrou.net> parents: 71903 diff changeset	1254 self.returncode = rc
46505 63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1255
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1256 kill = terminate
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1257
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1258 else:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1259 #
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1260 # POSIX methods
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1261 #
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1262 def _get_handles(self, stdin, stdout, stderr):
55617 a267c604465f Recorded merge of revisions 74057 via svnmerge from Georg Brandl <georg@python.org> parents: 55602 diff changeset	1263 """Construct and return tuple with IO objects:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1264 p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1265 """
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1266 p2cread, p2cwrite = -1, -1
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1267 c2pread, c2pwrite = -1, -1
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1268 errread, errwrite = -1, -1
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1269
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1270 if stdin is None:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1271 pass
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1272 elif stdin == PIPE:
66868 de05d846795e issue7213: Open the pipes used by subprocesses with the FD_CLOEXEC flag from Gregory P. Smith <greg@mad-scientist.com> parents: 66867 diff changeset	1273 p2cread, p2cwrite = _create_pipe()
68600 eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	1274 elif stdin == DEVNULL:
eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	1275 p2cread = self._get_devnull()
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1276 elif isinstance(stdin, int):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1277 p2cread = stdin
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1278 else:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1279 # Assuming file-like object
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1280 p2cread = stdin.fileno()
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1281
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1282 if stdout is None:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1283 pass
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1284 elif stdout == PIPE:
66868 de05d846795e issue7213: Open the pipes used by subprocesses with the FD_CLOEXEC flag from Gregory P. Smith <greg@mad-scientist.com> parents: 66867 diff changeset	1285 c2pread, c2pwrite = _create_pipe()
68600 eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	1286 elif stdout == DEVNULL:
eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	1287 c2pwrite = self._get_devnull()
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1288 elif isinstance(stdout, int):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1289 c2pwrite = stdout
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1290 else:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1291 # Assuming file-like object
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	1292 c2pwrite = stdout.fileno()
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1293
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1294 if stderr is None:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1295 pass
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1296 elif stderr == PIPE:
66868 de05d846795e issue7213: Open the pipes used by subprocesses with the FD_CLOEXEC flag from Gregory P. Smith <greg@mad-scientist.com> parents: 66867 diff changeset	1297 errread, errwrite = _create_pipe()
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1298 elif stderr == STDOUT:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1299 errwrite = c2pwrite
68600 eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	1300 elif stderr == DEVNULL:
eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	1301 errwrite = self._get_devnull()
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1302 elif isinstance(stderr, int):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1303 errwrite = stderr
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1304 else:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1305 # Assuming file-like object
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1306 errwrite = stderr.fileno()
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1307
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1308 return (p2cread, p2cwrite,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1309 c2pread, c2pwrite,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1310 errread, errwrite)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1311
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1312
67331 9ad896426f79 Un-complicate some code Antoine Pitrou <solipsis@pitrou.net> parents: 67310 diff changeset	1313 def _close_fds(self, fds_to_keep):
66692 296e6f85f56d issue6559: Adds a pass_fds parameter to subprocess.Popen that allows the caller Gregory P. Smith <greg@mad-scientist.com> parents: 66676 diff changeset	1314 start_fd = 3
67331 9ad896426f79 Un-complicate some code Antoine Pitrou <solipsis@pitrou.net> parents: 67310 diff changeset	1315 for fd in sorted(fds_to_keep):
66889 59b43dc34158 Issue #6559: fix the subprocess.Popen pass_fds implementation. Add a unittest. Gregory P. Smith <greg@mad-scientist.com> parents: 66868 diff changeset	1316 if fd >= start_fd:
66692 296e6f85f56d issue6559: Adds a pass_fds parameter to subprocess.Popen that allows the caller Gregory P. Smith <greg@mad-scientist.com> parents: 66676 diff changeset	1317 os.closerange(start_fd, fd)
296e6f85f56d issue6559: Adds a pass_fds parameter to subprocess.Popen that allows the caller Gregory P. Smith <greg@mad-scientist.com> parents: 66676 diff changeset	1318 start_fd = fd + 1
296e6f85f56d issue6559: Adds a pass_fds parameter to subprocess.Popen that allows the caller Gregory P. Smith <greg@mad-scientist.com> parents: 66676 diff changeset	1319 if start_fd <= MAXFD:
296e6f85f56d issue6559: Adds a pass_fds parameter to subprocess.Popen that allows the caller Gregory P. Smith <greg@mad-scientist.com> parents: 66676 diff changeset	1320 os.closerange(start_fd, MAXFD)
33731 53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	1321
53c468d0955b Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 33727 diff changeset	1322
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1323 def _execute_child(self, args, executable, preexec_fn, close_fds,
78590 65ef6ae39ea3 Cleanup universal_newlines usage for subprocess.Popen, remove unused param. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 78572 diff changeset	1324 pass_fds, cwd, env,
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1325 startupinfo, creationflags, shell,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1326 p2cread, p2cwrite,
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1327 c2pread, c2pwrite,
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1328 errread, errwrite,
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1329 restore_signals, start_new_session):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1330 """Execute program (POSIX version)"""
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1331
68214 738feec9ced0 Issue #8513: On UNIX, subprocess supports bytes command string. Victor Stinner <victor.stinner@haypocalc.com> parents: 67358 diff changeset	1332 if isinstance(args, (str, bytes)):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1333 args = [args]
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 39646 diff changeset	1334 else:
cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 39646 diff changeset	1335 args = list(args)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1336
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1337 if shell:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1338 args = ["/bin/sh", "-c"] + args
63095 ad66eff9800b Merged revisions 82971 via svnmerge from Stefan Krah <stefan@bytereef.org> parents: 62404 diff changeset	1339 if executable:
ad66eff9800b Merged revisions 82971 via svnmerge from Stefan Krah <stefan@bytereef.org> parents: 62404 diff changeset	1340 args[0] = executable
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1341
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1342 if executable is None:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1343 executable = args[0]
79632 e938fa6be509 Fixes Issue #16114: The subprocess module no longer provides a Gregory P. Smith <greg@krypto.org> parents: 79266 diff changeset	1344 orig_executable = executable
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1345
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1346 # For transferring possible exec failure from child to parent.
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1347 # Data format: "exception name:hex errno:description"
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1348 # Pickle is not used; it is complex and involves memory allocation.
66868 de05d846795e issue7213: Open the pipes used by subprocesses with the FD_CLOEXEC flag from Gregory P. Smith <greg@mad-scientist.com> parents: 66867 diff changeset	1349 errpipe_read, errpipe_write = _create_pipe()
44810 fa6cee14dcba Merged revisions 60094-60123 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44160 diff changeset	1350 try:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1351 try:
70467 75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1352 # We must avoid complex work that could involve
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1353 # malloc or free in the child process to avoid
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1354 # potential deadlocks, thus we do all this here.
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1355 # and pass it to fork_exec()
71524 1140b32747c9 Issue #12607: In subprocess, fix issue where if stdin, stdout or stderr is Ross Lagerwall <rosslagerwall@gmail.com> parents: 71485 diff changeset	1356
70922 10ecf8576eb2 (merge 3.2) Close #12383: Fix subprocess module with env={}: don't copy the Victor Stinner <victor.stinner@haypocalc.com> parents: 70555 70921 diff changeset	1357 if env is not None:
70467 75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1358 env_list = [os.fsencode(k) + b'=' + os.fsencode(v)
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1359 for k, v in env.items()]
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1360 else:
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1361 env_list = None # Use execv instead of execve.
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1362 executable = os.fsencode(executable)
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1363 if os.path.dirname(executable):
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1364 executable_list = (executable,)
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1365 else:
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1366 # This matches the behavior of os._execvpe().
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1367 executable_list = tuple(
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1368 os.path.join(os.fsencode(dir), executable)
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1369 for dir in os.get_exec_path(env))
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1370 fds_to_keep = set(pass_fds)
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1371 fds_to_keep.add(errpipe_write)
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1372 self.pid = _posixsubprocess.fork_exec(
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1373 args, executable_list,
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1374 close_fds, sorted(fds_to_keep), cwd, env_list,
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1375 p2cread, p2cwrite, c2pread, c2pwrite,
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1376 errread, errwrite,
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1377 errpipe_read, errpipe_write,
75ca834df824 The _posixsubprocess module is now required on POSIX. Gregory P. Smith <greg@krypto.org> parents: 70289 diff changeset	1378 restore_signals, start_new_session, preexec_fn)
71904 148d75d106f1 Issue #12650: Fix a race condition where a subprocess.Popen could leak Charles-François Natali <neologix@free.fr> parents: 71525 71903 diff changeset	1379 self._child_created = True
54797 5fafcb32f062 Issue #6274. Fixed a potential FD leak in subprocess.py. Facundo Batista <facundobatista@gmail.com> parents: 51981 diff changeset	1380 finally:
5fafcb32f062 Issue #6274. Fixed a potential FD leak in subprocess.py. Facundo Batista <facundobatista@gmail.com> parents: 51981 diff changeset	1381 # be sure the FD is closed no matter what
5fafcb32f062 Issue #6274. Fixed a potential FD leak in subprocess.py. Facundo Batista <facundobatista@gmail.com> parents: 51981 diff changeset	1382 os.close(errpipe_write)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1383
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1384 if p2cread != -1 and p2cwrite != -1:
54797 5fafcb32f062 Issue #6274. Fixed a potential FD leak in subprocess.py. Facundo Batista <facundobatista@gmail.com> parents: 51981 diff changeset	1385 os.close(p2cread)
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1386 if c2pwrite != -1 and c2pread != -1:
54797 5fafcb32f062 Issue #6274. Fixed a potential FD leak in subprocess.py. Facundo Batista <facundobatista@gmail.com> parents: 51981 diff changeset	1387 os.close(c2pwrite)
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1388 if errwrite != -1 and errread != -1:
54797 5fafcb32f062 Issue #6274. Fixed a potential FD leak in subprocess.py. Facundo Batista <facundobatista@gmail.com> parents: 51981 diff changeset	1389 os.close(errwrite)
68600 eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	1390 if hasattr(self, '_devnull'):
eaf93e156dff Issue #5870: Add subprocess.DEVNULL constant. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68587 diff changeset	1391 os.close(self._devnull)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1392
54797 5fafcb32f062 Issue #6274. Fixed a potential FD leak in subprocess.py. Facundo Batista <facundobatista@gmail.com> parents: 51981 diff changeset	1393 # Wait for exec to fail or succeed; possibly raising an
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1394 # exception (limited in size)
80372 99c63578f932 Rename a local variable for readability and change a "this can't Gregory P. Smith <greg@krypto.org> parents: 80368 diff changeset	1395 errpipe_data = bytearray()
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1396 while True:
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1397 part = _eintr_retry_call(os.read, errpipe_read, 50000)
80372 99c63578f932 Rename a local variable for readability and change a "this can't Gregory P. Smith <greg@krypto.org> parents: 80368 diff changeset	1398 errpipe_data += part
99c63578f932 Rename a local variable for readability and change a "this can't Gregory P. Smith <greg@krypto.org> parents: 80368 diff changeset	1399 if not part or len(errpipe_data) > 50000:
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1400 break
54797 5fafcb32f062 Issue #6274. Fixed a potential FD leak in subprocess.py. Facundo Batista <facundobatista@gmail.com> parents: 51981 diff changeset	1401 finally:
5fafcb32f062 Issue #6274. Fixed a potential FD leak in subprocess.py. Facundo Batista <facundobatista@gmail.com> parents: 51981 diff changeset	1402 # be sure the FD is closed no matter what
5fafcb32f062 Issue #6274. Fixed a potential FD leak in subprocess.py. Facundo Batista <facundobatista@gmail.com> parents: 51981 diff changeset	1403 os.close(errpipe_read)
5fafcb32f062 Issue #6274. Fixed a potential FD leak in subprocess.py. Facundo Batista <facundobatista@gmail.com> parents: 51981 diff changeset	1404
80372 99c63578f932 Rename a local variable for readability and change a "this can't Gregory P. Smith <greg@krypto.org> parents: 80368 diff changeset	1405 if errpipe_data:
66895 b066bd0b64e7 Merged revisions 87233 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 65109 diff changeset	1406 try:
b066bd0b64e7 Merged revisions 87233 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 65109 diff changeset	1407 _eintr_retry_call(os.waitpid, self.pid, 0)
b066bd0b64e7 Merged revisions 87233 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 65109 diff changeset	1408 except OSError as e:
b066bd0b64e7 Merged revisions 87233 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 65109 diff changeset	1409 if e.errno != errno.ECHILD:
b066bd0b64e7 Merged revisions 87233 via svnmerge from Gregory P. Smith <greg@mad-scientist.com> parents: 65109 diff changeset	1410 raise
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1411 try:
80372 99c63578f932 Rename a local variable for readability and change a "this can't Gregory P. Smith <greg@krypto.org> parents: 80368 diff changeset	1412 exception_name, hex_errno, err_msg = (
99c63578f932 Rename a local variable for readability and change a "this can't Gregory P. Smith <greg@krypto.org> parents: 80368 diff changeset	1413 errpipe_data.split(b':', 2))
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1414 except ValueError:
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1415 exception_name = b'RuntimeError'
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1416 hex_errno = b'0'
80376 bbfff05ed34f Remove the subprocess "bad exception data" warning (formerly a print!) Gregory P. Smith <greg@krypto.org> parents: 80372 diff changeset	1417 err_msg = (b'Bad exception data from child: ' +
bbfff05ed34f Remove the subprocess "bad exception data" warning (formerly a print!) Gregory P. Smith <greg@krypto.org> parents: 80372 diff changeset	1418 repr(errpipe_data))
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1419 child_exception_type = getattr(
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1420 builtins, exception_name.decode('ascii'),
768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1421 RuntimeError)
60896 8428eaa2d3ad Issue #8467: Pure Python implementation of subprocess encodes the error message Victor Stinner <victor.stinner@haypocalc.com> parents: 60556 diff changeset	1422 err_msg = err_msg.decode(errors="surrogatepass")
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1423 if issubclass(child_exception_type, OSError) and hex_errno:
66309 43e50bb923a9 don't shadow globals Benjamin Peterson <benjamin@python.org> parents: 66307 diff changeset	1424 errno_num = int(hex_errno, 16)
79632 e938fa6be509 Fixes Issue #16114: The subprocess module no longer provides a Gregory P. Smith <greg@krypto.org> parents: 79266 diff changeset	1425 child_exec_never_called = (err_msg == "noexec")
e938fa6be509 Fixes Issue #16114: The subprocess module no longer provides a Gregory P. Smith <greg@krypto.org> parents: 79266 diff changeset	1426 if child_exec_never_called:
e938fa6be509 Fixes Issue #16114: The subprocess module no longer provides a Gregory P. Smith <greg@krypto.org> parents: 79266 diff changeset	1427 err_msg = ""
66309 43e50bb923a9 don't shadow globals Benjamin Peterson <benjamin@python.org> parents: 66307 diff changeset	1428 if errno_num != 0:
43e50bb923a9 don't shadow globals Benjamin Peterson <benjamin@python.org> parents: 66307 diff changeset	1429 err_msg = os.strerror(errno_num)
43e50bb923a9 don't shadow globals Benjamin Peterson <benjamin@python.org> parents: 66307 diff changeset	1430 if errno_num == errno.ENOENT:
79632 e938fa6be509 Fixes Issue #16114: The subprocess module no longer provides a Gregory P. Smith <greg@krypto.org> parents: 79266 diff changeset	1431 if child_exec_never_called:
e938fa6be509 Fixes Issue #16114: The subprocess module no longer provides a Gregory P. Smith <greg@krypto.org> parents: 79266 diff changeset	1432 # The error must be from chdir(cwd).
e938fa6be509 Fixes Issue #16114: The subprocess module no longer provides a Gregory P. Smith <greg@krypto.org> parents: 79266 diff changeset	1433 err_msg += ': ' + repr(cwd)
e938fa6be509 Fixes Issue #16114: The subprocess module no longer provides a Gregory P. Smith <greg@krypto.org> parents: 79266 diff changeset	1434 else:
e938fa6be509 Fixes Issue #16114: The subprocess module no longer provides a Gregory P. Smith <greg@krypto.org> parents: 79266 diff changeset	1435 err_msg += ': ' + repr(orig_executable)
66309 43e50bb923a9 don't shadow globals Benjamin Peterson <benjamin@python.org> parents: 66307 diff changeset	1436 raise child_exception_type(errno_num, err_msg)
59605 768722b2ae0a * Replaces the internals of the subprocess module from fork through exec on Gregory P. Smith <greg@mad-scientist.com> parents: 59471 diff changeset	1437 raise child_exception_type(err_msg)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1438
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1439
61569 58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1440 def _handle_exitstatus(self, sts, _WIFSIGNALED=os.WIFSIGNALED,
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1441 _WTERMSIG=os.WTERMSIG, _WIFEXITED=os.WIFEXITED,
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1442 _WEXITSTATUS=os.WEXITSTATUS):
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1443 # This method is called (indirectly) by __del__, so it cannot
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1444 # refer to anything outside of its local scope."""
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1445 if _WIFSIGNALED(sts):
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1446 self.returncode = -_WTERMSIG(sts)
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1447 elif _WIFEXITED(sts):
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1448 self.returncode = _WEXITSTATUS(sts)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1449 else:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1450 # Should never happen
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1451 raise RuntimeError("Unknown child exit status!")
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1452
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1453
61569 58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1454 def _internal_poll(self, _deadstate=None, _waitpid=os.waitpid,
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1455 _WNOHANG=os.WNOHANG, _os_error=os.error):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1456 """Check if child process has terminated. Returns returncode
61569 58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1457 attribute.
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1458
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1459 This method is called by __del__, so it cannot reference anything
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1460 outside of the local scope (nor can any methods it calls).
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1461
58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1462 """
34575 4545a154fac1 Patch from Leandro Lucarella: replaced: Peter Astrand <astrand@lysator.liu.se> parents: 34551 diff changeset	1463 if self.returncode is None:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1464 try:
61569 58a56aba0eb2 Backport r81155. Brett Cannon <bcannon@gmail.com> parents: 60923 diff changeset	1465 pid, sts = _waitpid(self.pid, _WNOHANG)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1466 if pid == self.pid:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1467 self._handle_exitstatus(sts)
79266 484c50bf445c Fixes issue #15756: subprocess.poll() now properly handles errno.ECHILD Gregory P. Smith <greg@krypto.org> parents: 78655 diff changeset	1468 except _os_error as e:
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	1469 if _deadstate is not None:
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37048 diff changeset	1470 self.returncode = _deadstate
79266 484c50bf445c Fixes issue #15756: subprocess.poll() now properly handles errno.ECHILD Gregory P. Smith <greg@krypto.org> parents: 78655 diff changeset	1471 elif e.errno == errno.ECHILD:
484c50bf445c Fixes issue #15756: subprocess.poll() now properly handles errno.ECHILD Gregory P. Smith <greg@krypto.org> parents: 78655 diff changeset	1472 # This happens if SIGCLD is set to be ignored or
484c50bf445c Fixes issue #15756: subprocess.poll() now properly handles errno.ECHILD Gregory P. Smith <greg@krypto.org> parents: 78655 diff changeset	1473 # waiting for child processes has otherwise been
484c50bf445c Fixes issue #15756: subprocess.poll() now properly handles errno.ECHILD Gregory P. Smith <greg@krypto.org> parents: 78655 diff changeset	1474 # disabled for our process. This child is dead, we
484c50bf445c Fixes issue #15756: subprocess.poll() now properly handles errno.ECHILD Gregory P. Smith <greg@krypto.org> parents: 78655 diff changeset	1475 # can't get the status.
484c50bf445c Fixes issue #15756: subprocess.poll() now properly handles errno.ECHILD Gregory P. Smith <greg@krypto.org> parents: 78655 diff changeset	1476 # http://bugs.python.org/issue15756
484c50bf445c Fixes issue #15756: subprocess.poll() now properly handles errno.ECHILD Gregory P. Smith <greg@krypto.org> parents: 78655 diff changeset	1477 self.returncode = 0
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1478 return self.returncode
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1479
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1480
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1481 def _try_wait(self, wait_flags):
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1482 try:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1483 (pid, sts) = _eintr_retry_call(os.waitpid, self.pid, wait_flags)
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1484 except OSError as e:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1485 if e.errno != errno.ECHILD:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1486 raise
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1487 # This happens if SIGCLD is set to be ignored or waiting
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1488 # for child processes has otherwise been disabled for our
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1489 # process. This child is dead, we can't get the status.
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1490 pid = self.pid
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1491 sts = 0
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1492 return (pid, sts)
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1493
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1494
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1495 def wait(self, timeout=None, endtime=None):
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1496 """Wait for child process to terminate. Returns returncode
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1497 attribute."""
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1498 if self.returncode is not None:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1499 return self.returncode
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1500
a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1501 # endtime is preferred to timeout. timeout is only used for
a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1502 # printing.
a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1503 if endtime is not None or timeout is not None:
a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1504 if endtime is None:
77243 1345cf58738d Close #14690: Use monotonic clock instead of system clock in the sched, Victor Stinner <victor.stinner@gmail.com> parents: 77154 diff changeset	1505 endtime = _time() + timeout
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1506 elif timeout is None:
a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1507 timeout = self._remaining_time(endtime)
a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1508
a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1509 if endtime is not None:
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1510 # Enter a busy loop if we have a timeout. This busy loop was
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1511 # cribbed from Lib/threading.py in Thread.wait() at r71065.
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1512 delay = 0.0005 # 500 us -> initial delay of 1 ms
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1513 while True:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1514 (pid, sts) = self._try_wait(os.WNOHANG)
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1515 assert pid == self.pid or pid == 0
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1516 if pid == self.pid:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1517 self._handle_exitstatus(sts)
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1518 break
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1519 remaining = self._remaining_time(endtime)
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1520 if remaining <= 0:
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1521 raise TimeoutExpired(self.args, timeout)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1522 delay = min(delay * 2, remaining, .05)
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1523 time.sleep(delay)
80363 61a0eace0f2e Fixes issue #14396: Handle the odd rare case of waitpid returning 0 Gregory P. Smith <greg@krypto.org> parents: 79633 80362 diff changeset	1524 else:
61a0eace0f2e Fixes issue #14396: Handle the odd rare case of waitpid returning 0 Gregory P. Smith <greg@krypto.org> parents: 79633 80362 diff changeset	1525 while self.returncode is None:
61a0eace0f2e Fixes issue #14396: Handle the odd rare case of waitpid returning 0 Gregory P. Smith <greg@krypto.org> parents: 79633 80362 diff changeset	1526 (pid, sts) = self._try_wait(0)
61a0eace0f2e Fixes issue #14396: Handle the odd rare case of waitpid returning 0 Gregory P. Smith <greg@krypto.org> parents: 79633 80362 diff changeset	1527 # Check the pid and loop as waitpid has been known to return
61a0eace0f2e Fixes issue #14396: Handle the odd rare case of waitpid returning 0 Gregory P. Smith <greg@krypto.org> parents: 79633 80362 diff changeset	1528 # 0 even without WNOHANG in odd situations. issue14396.
61a0eace0f2e Fixes issue #14396: Handle the odd rare case of waitpid returning 0 Gregory P. Smith <greg@krypto.org> parents: 79633 80362 diff changeset	1529 if pid == self.pid:
61a0eace0f2e Fixes issue #14396: Handle the odd rare case of waitpid returning 0 Gregory P. Smith <greg@krypto.org> parents: 79633 80362 diff changeset	1530 self._handle_exitstatus(sts)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1531 return self.returncode
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1532
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1533
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1534 def _communicate(self, input, endtime, orig_timeout):
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1535 if self.stdin and not self._communication_started:
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1536 # Flush stdio buffer. This might block, if the user has
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1537 # been writing to .stdin in an uncontrolled fashion.
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1538 self.stdin.flush()
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1539 if not input:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1540 self.stdin.close()
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1541
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1542 if _has_poll:
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1543 stdout, stderr = self._communicate_with_poll(input, endtime,
a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1544 orig_timeout)
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1545 else:
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1546 stdout, stderr = self._communicate_with_select(input, endtime,
a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1547 orig_timeout)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1548
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1549 self.wait(timeout=self._remaining_time(endtime))
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1550
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1551 # All data exchanged. Translate lists into strings.
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1552 if stdout is not None:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1553 stdout = b''.join(stdout)
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1554 if stderr is not None:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1555 stderr = b''.join(stderr)
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1556
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1557 # Translate newlines, if requested.
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1558 # This also turns bytes into strings.
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1559 if self.universal_newlines:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1560 if stdout is not None:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1561 stdout = self._translate_newlines(stdout,
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1562 self.stdout.encoding)
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1563 if stderr is not None:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1564 stderr = self._translate_newlines(stderr,
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1565 self.stderr.encoding)
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1566
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1567 return (stdout, stderr)
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1568
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1569
78572 9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1570 def _save_input(self, input):
9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1571 # This method is called from the _communicate_with_*() methods
9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1572 # so that if we time out while communicating, we can continue
9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1573 # sending input if we retry.
9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1574 if self.stdin and self._input is None:
9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1575 self._input_offset = 0
9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1576 self._input = input
9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1577 if self.universal_newlines and input is not None:
9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1578 self._input = self._input.encode(self.stdin.encoding)
9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1579
9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1580
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1581 def _communicate_with_poll(self, input, endtime, orig_timeout):
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1582 stdout = None # Return
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1583 stderr = None # Return
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1584
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1585 if not self._communication_started:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1586 self._fd2file = {}
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1587
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1588 poller = select.poll()
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1589 def register_and_append(file_obj, eventmask):
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1590 poller.register(file_obj.fileno(), eventmask)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1591 self._fd2file[file_obj.fileno()] = file_obj
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1592
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1593 def close_unregister_and_remove(fd):
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1594 poller.unregister(fd)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1595 self._fd2file[fd].close()
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1596 self._fd2file.pop(fd)
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1597
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1598 if self.stdin and input:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1599 register_and_append(self.stdin, select.POLLOUT)
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1600
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1601 # Only create this mapping if we haven't already.
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1602 if not self._communication_started:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1603 self._fd2output = {}
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1604 if self.stdout:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1605 self._fd2output[self.stdout.fileno()] = []
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1606 if self.stderr:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1607 self._fd2output[self.stderr.fileno()] = []
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1608
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1609 select_POLLIN_POLLPRI = select.POLLIN \| select.POLLPRI
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1610 if self.stdout:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1611 register_and_append(self.stdout, select_POLLIN_POLLPRI)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1612 stdout = self._fd2output[self.stdout.fileno()]
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1613 if self.stderr:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1614 register_and_append(self.stderr, select_POLLIN_POLLPRI)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1615 stderr = self._fd2output[self.stderr.fileno()]
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1616
78572 9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1617 self._save_input(input)
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1618
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1619 while self._fd2file:
69152 3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	1620 timeout = self._remaining_time(endtime)
3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	1621 if timeout is not None and timeout < 0:
3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	1622 raise TimeoutExpired(self.args, orig_timeout)
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1623 try:
69152 3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	1624 ready = poller.poll(timeout)
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1625 except select.error as e:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1626 if e.args[0] == errno.EINTR:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1627 continue
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1628 raise
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1629 self._check_timeout(endtime, orig_timeout)
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1630
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1631 # XXX Rewrite these to use non-blocking I/O on the
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1632 # file objects; they are no longer using C stdio!
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1633
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1634 for fd, mode in ready:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1635 if mode & select.POLLOUT:
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1636 chunk = self._input[self._input_offset :
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1637 self._input_offset + _PIPE_BUF]
69154 158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1638 try:
69156 c81ad4361c49 Merge with 3.2 Ross Lagerwall <rosslagerwall@gmail.com> parents: 69152 69155 diff changeset	1639 self._input_offset += os.write(fd, chunk)
69154 158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1640 except OSError as e:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1641 if e.errno == errno.EPIPE:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1642 close_unregister_and_remove(fd)
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1643 else:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1644 raise
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1645 else:
69156 c81ad4361c49 Merge with 3.2 Ross Lagerwall <rosslagerwall@gmail.com> parents: 69152 69155 diff changeset	1646 if self._input_offset >= len(self._input):
69154 158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1647 close_unregister_and_remove(fd)
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1648 elif mode & select_POLLIN_POLLPRI:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1649 data = os.read(fd, 4096)
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1650 if not data:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1651 close_unregister_and_remove(fd)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1652 self._fd2output[fd].append(data)
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1653 else:
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1654 # Ignore hang up or errors.
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1655 close_unregister_and_remove(fd)
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1656
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1657 return (stdout, stderr)
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1658
680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1659
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1660 def _communicate_with_select(self, input, endtime, orig_timeout):
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1661 if not self._communication_started:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1662 self._read_set = []
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1663 self._write_set = []
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1664 if self.stdin and input:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1665 self._write_set.append(self.stdin)
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1666 if self.stdout:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1667 self._read_set.append(self.stdout)
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1668 if self.stderr:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1669 self._read_set.append(self.stderr)
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1670
78572 9d86480cc177 Issue #15592. Fix regression: subprocess.communicate() breaks on no input with universal newlines true. Andrew Svetlov <andrew.svetlov@gmail.com> parents: 77243 diff changeset	1671 self._save_input(input)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1672
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1673 stdout = None # Return
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1674 stderr = None # Return
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1675
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1676 if self.stdout:
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1677 if not self._communication_started:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1678 self._stdout_buff = []
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1679 stdout = self._stdout_buff
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1680 if self.stderr:
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1681 if not self._communication_started:
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1682 self._stderr_buff = []
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1683 stderr = self._stderr_buff
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1684
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1685 while self._read_set or self._write_set:
69152 3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	1686 timeout = self._remaining_time(endtime)
3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	1687 if timeout is not None and timeout < 0:
3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	1688 raise TimeoutExpired(self.args, orig_timeout)
48494 aca5b2e6a66f Merged revisions 64623,64640,64665,64687,64689-64690,64719,64721,64735,64742,64744-64746,64756-64761,64767-64769,64771-64772,64774-64775,64788,64793,64835-64836 via svnmerge from Georg Brandl <georg@python.org> parents: 48395 diff changeset	1689 try:
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1690 (rlist, wlist, xlist) = \
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1691 select.select(self._read_set, self._write_set, [],
69152 3664fc29e867 Issue #11757: subprocess ensures that select() and poll() timeout >= 0 Victor Stinner <victor.stinner@haypocalc.com> parents: 69011 diff changeset	1692 timeout)
48494 aca5b2e6a66f Merged revisions 64623,64640,64665,64687,64689-64690,64719,64721,64735,64742,64744-64746,64756-64761,64767-64769,64771-64772,64774-64775,64788,64793,64835-64836 via svnmerge from Georg Brandl <georg@python.org> parents: 48395 diff changeset	1693 except select.error as e:
aca5b2e6a66f Merged revisions 64623,64640,64665,64687,64689-64690,64719,64721,64735,64742,64744-64746,64756-64761,64767-64769,64771-64772,64774-64775,64788,64793,64835-64836 via svnmerge from Georg Brandl <georg@python.org> parents: 48395 diff changeset	1694 if e.args[0] == errno.EINTR:
aca5b2e6a66f Merged revisions 64623,64640,64665,64687,64689-64690,64719,64721,64735,64742,64744-64746,64756-64761,64767-64769,64771-64772,64774-64775,64788,64793,64835-64836 via svnmerge from Georg Brandl <georg@python.org> parents: 48395 diff changeset	1695 continue
aca5b2e6a66f Merged revisions 64623,64640,64665,64687,64689-64690,64719,64721,64735,64742,64744-64746,64756-64761,64767-64769,64771-64772,64774-64775,64788,64793,64835-64836 via svnmerge from Georg Brandl <georg@python.org> parents: 48395 diff changeset	1696 raise
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1697
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1698 # According to the docs, returning three empty lists indicates
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1699 # that the timeout expired.
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1700 if not (rlist or wlist or xlist):
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1701 raise TimeoutExpired(self.args, orig_timeout)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1702 # We also check what time it is ourselves for good measure.
68618 a161081e8f7c Include the timeout value in TimeoutExpired. Reid Kleckner <reid@kleckner.net> parents: 68600 diff changeset	1703 self._check_timeout(endtime, orig_timeout)
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1704
43777 0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch. Guido van Rossum <guido@python.org> parents: 43684 diff changeset	1705 # XXX Rewrite these to use non-blocking I/O on the
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch. Guido van Rossum <guido@python.org> parents: 43684 diff changeset	1706 # file objects; they are no longer using C stdio!
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch. Guido van Rossum <guido@python.org> parents: 43684 diff changeset	1707
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1708 if self.stdin in wlist:
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1709 chunk = self._input[self._input_offset :
c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1710 self._input_offset + _PIPE_BUF]
69154 158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1711 try:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1712 bytes_written = os.write(self.stdin.fileno(), chunk)
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1713 except OSError as e:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1714 if e.errno == errno.EPIPE:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1715 self.stdin.close()
69156 c81ad4361c49 Merge with 3.2 Ross Lagerwall <rosslagerwall@gmail.com> parents: 69152 69155 diff changeset	1716 self._write_set.remove(self.stdin)
69154 158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1717 else:
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1718 raise
158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1719 else:
69156 c81ad4361c49 Merge with 3.2 Ross Lagerwall <rosslagerwall@gmail.com> parents: 69152 69155 diff changeset	1720 self._input_offset += bytes_written
c81ad4361c49 Merge with 3.2 Ross Lagerwall <rosslagerwall@gmail.com> parents: 69152 69155 diff changeset	1721 if self._input_offset >= len(self._input):
69154 158495d49f58 Issue #10963: Ensure that subprocess.communicate() never raises EPIPE. Ross Lagerwall <rosslagerwall@gmail.com> parents: 68679 diff changeset	1722 self.stdin.close()
69156 c81ad4361c49 Merge with 3.2 Ross Lagerwall <rosslagerwall@gmail.com> parents: 69152 69155 diff changeset	1723 self._write_set.remove(self.stdin)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1724
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1725 if self.stdout in rlist:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1726 data = os.read(self.stdout.fileno(), 1024)
41732 bbb099d4ec80 Make test_subprocess pass. The subprocess module now reads and writes Guido van Rossum <guido@python.org> parents: 41731 diff changeset	1727 if not data:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1728 self.stdout.close()
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1729 self._read_set.remove(self.stdout)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1730 stdout.append(data)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1731
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1732 if self.stderr in rlist:
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1733 data = os.read(self.stderr.fileno(), 1024)
41732 bbb099d4ec80 Make test_subprocess pass. The subprocess module now reads and writes Guido van Rossum <guido@python.org> parents: 41731 diff changeset	1734 if not data:
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1735 self.stderr.close()
68454 c4a0fa6e687c Add a 'timeout' argument to subprocess.Popen. Reid Kleckner <reid@kleckner.net> parents: 68258 diff changeset	1736 self._read_set.remove(self.stderr)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1737 stderr.append(data)
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1738
55602 680ad8eed33b Merged revisions 73833,73838,73850-73852,73856-73857 via svnmerge from Georg Brandl <georg@python.org> parents: 54797 diff changeset	1739 return (stdout, stderr)
33723 76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1740
76641824cf05 Added Peter Astrand's subprocess module. Fredrik Lundh <fredrik@pythonware.com> parents: diff changeset	1741
46505 63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1742 def send_signal(self, sig):
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1743 """Send a signal to the process
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1744 """
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1745 os.kill(self.pid, sig)
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1746
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1747 def terminate(self):
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1748 """Terminate the process with SIGTERM
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1749 """
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1750 self.send_signal(signal.SIGTERM)
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1751
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1752 def kill(self):
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1753 """Kill the process with SIGKILL
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1754 """
63965327b3ef Merged revisions 62386-62387,62389-62393,62396,62400-62402,62407,62409-62410,62412-62414,62418-62419 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44810 diff changeset	1755 self.send_signal(signal.SIGKILL)

Mercurial > cpython-lru_cache-weakref

annotate Lib/subprocess.py @ 80779:10d04bdb05ab 3.3