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Edit File: subprocess.cpython-33.pyc
� �� f� c @ s d Z d d l Z e j d k Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z y d d l m Z Wn" e k r� d d l m Z Yn XGd d � d e � Z Gd d � d e � Z Gd d � d e � Z e r[d d l Z d d l Z d d l Z Gd d � d � Z Gd d � d � Z nB d d l Z e e d � Z d d l Z e j Z e e d d � Z d d d d d d d d d d g Z! e r?d d l m" Z" m# Z# m$ Z$ m% Z% m& Z& m' Z' m( Z( m) Z) e! j* d d d d d! d" d# d$ g � Gd% d& � d& e+ � Z, n y e j- d' � Z. Wn d( Z. Yn Xg Z/ d) d* � Z0 d; Z1 d< Z2 d= Z3 d. d/ � Z4 d0 d1 � Z5 d2 d d3 d � Z7 d4 d � Z8 d2 d d5 d � Z9 d6 d7 � Z: d8 d � Z; d9 d � Z< e= � Z> Gd: d � d e= � Z? d S(> u�- subprocess - Subprocesses with accessible I/O streams This module allows you to spawn processes, connect to their input/output/error pipes, and obtain their return codes. This module intends to replace several older modules and functions: os.system os.spawn* Information about how the subprocess module can be used to replace these modules and functions can be found below. Using the subprocess module =========================== This module defines one class called Popen: class Popen(args, bufsize=-1, executable=None, stdin=None, stdout=None, stderr=None, preexec_fn=None, close_fds=True, shell=False, cwd=None, env=None, universal_newlines=False, startupinfo=None, creationflags=0, restore_signals=True, start_new_session=False, pass_fds=()): Arguments are: args should be a string, or a sequence of program arguments. The program to execute is normally the first item in the args sequence or string, but can be explicitly set by using the executable argument. On POSIX, with shell=False (default): In this case, the Popen class uses os.execvp() to execute the child program. args should normally be a sequence. A string will be treated as a sequence with the string as the only item (the program to execute). On POSIX, with shell=True: If args is a string, it specifies the command string to execute through the shell. If args is a sequence, the first item specifies the command string, and any additional items will be treated as additional shell arguments. On Windows: the Popen class uses CreateProcess() to execute the child program, which operates on strings. If args is a sequence, it will be converted to a string using the list2cmdline method. Please note that not all MS Windows applications interpret the command line the same way: The list2cmdline is designed for applications using the same rules as the MS C runtime. bufsize will be supplied as the corresponding argument to the io.open() function when creating the stdin/stdout/stderr pipe file objects: 0 means unbuffered (read & write are one system call and can return short), 1 means line buffered, any other positive value means use a buffer of approximately that size. A negative bufsize, the default, means the system default of io.DEFAULT_BUFFER_SIZE will be used. stdin, stdout and stderr specify the executed programs' standard input, standard output and standard error file handles, respectively. Valid values are PIPE, an existing file descriptor (a positive integer), an existing file object, and None. PIPE indicates that a new pipe to the child should be created. With None, no redirection will occur; the child's file handles will be inherited from the parent. Additionally, stderr can be STDOUT, which indicates that the stderr data from the applications should be captured into the same file handle as for stdout. On POSIX, if preexec_fn is set to a callable object, this object will be called in the child process just before the child is executed. The use of preexec_fn is not thread safe, using it in the presence of threads could lead to a deadlock in the child process before the new executable is executed. If close_fds is true, all file descriptors except 0, 1 and 2 will be closed before the child process is executed. The default for close_fds varies by platform: Always true on POSIX. True when stdin/stdout/stderr are None on Windows, false otherwise. pass_fds is an optional sequence of file descriptors to keep open between the parent and child. Providing any pass_fds implicitly sets close_fds to true. if shell is true, the specified command will be executed through the shell. If cwd is not None, the current directory will be changed to cwd before the child is executed. On POSIX, if restore_signals is True all signals that Python sets to SIG_IGN are restored to SIG_DFL in the child process before the exec. Currently this includes the SIGPIPE, SIGXFZ and SIGXFSZ signals. This parameter does nothing on Windows. On POSIX, if start_new_session is True, the setsid() system call will be made in the child process prior to executing the command. If env is not None, it defines the environment variables for the new process. If universal_newlines is false, the file objects stdin, stdout and stderr are opened as binary files, and no line ending conversion is done. If universal_newlines is true, the file objects stdout and stderr are opened as a text files, but lines may be terminated by any of '\n', the Unix end-of-line convention, '\r', the old Macintosh convention or '\r\n', the Windows convention. All of these external representations are seen as '\n' by the Python program. Also, the newlines attribute of the file objects stdout, stdin and stderr are not updated by the communicate() method. The startupinfo and creationflags, if given, will be passed to the underlying CreateProcess() function. They can specify things such as appearance of the main window and priority for the new process. (Windows only) This module also defines some shortcut functions: call(*popenargs, **kwargs): Run command with arguments. Wait for command to complete, then return the returncode attribute. The arguments are the same as for the Popen constructor. Example: >>> retcode = subprocess.call(["ls", "-l"]) check_call(*popenargs, **kwargs): Run command with arguments. Wait for command to complete. If the exit code was zero then return, otherwise raise CalledProcessError. The CalledProcessError object will have the return code in the returncode attribute. The arguments are the same as for the Popen constructor. Example: >>> subprocess.check_call(["ls", "-l"]) 0 getstatusoutput(cmd): Return (status, output) of executing cmd in a shell. Execute the string 'cmd' in a shell with os.popen() and return a 2-tuple (status, output). cmd is actually run as '{ cmd ; } 2>&1', so that the returned output will contain output or error messages. A trailing newline is stripped from the output. The exit status for the command can be interpreted according to the rules for the C function wait(). Example: >>> subprocess.getstatusoutput('ls /bin/ls') (0, '/bin/ls') >>> subprocess.getstatusoutput('cat /bin/junk') (256, 'cat: /bin/junk: No such file or directory') >>> subprocess.getstatusoutput('/bin/junk') (256, 'sh: /bin/junk: not found') getoutput(cmd): Return output (stdout or stderr) of executing cmd in a shell. Like getstatusoutput(), except the exit status is ignored and the return value is a string containing the command's output. Example: >>> subprocess.getoutput('ls /bin/ls') '/bin/ls' check_output(*popenargs, **kwargs): Run command with arguments and return its output. If the exit code was non-zero it raises a CalledProcessError. The CalledProcessError object will have the return code in the returncode attribute and output in the output attribute. The arguments are the same as for the Popen constructor. Example: >>> output = subprocess.check_output(["ls", "-l", "/dev/null"]) Exceptions ---------- Exceptions raised in the child process, before the new program has started to execute, will be re-raised in the parent. Additionally, the exception object will have one extra attribute called 'child_traceback', which is a string containing traceback information from the child's point of view. The most common exception raised is OSError. This occurs, for example, when trying to execute a non-existent file. Applications should prepare for OSErrors. A ValueError will be raised if Popen is called with invalid arguments. Exceptions defined within this module inherit from SubprocessError. check_call() and check_output() will raise CalledProcessError if the called process returns a non-zero return code. TimeoutExpired be raised if a timeout was specified and expired. Security -------- Unlike some other popen functions, this implementation will never call /bin/sh implicitly. This means that all characters, including shell metacharacters, can safely be passed to child processes. Popen objects ============= Instances of the Popen class have the following methods: poll() Check if child process has terminated. Returns returncode attribute. wait() Wait for child process to terminate. Returns returncode attribute. communicate(input=None) Interact with process: Send data to stdin. Read data from stdout and stderr, until end-of-file is reached. Wait for process to terminate. The optional input argument should be a string to be sent to the child process, or None, if no data should be sent to the child. communicate() returns a tuple (stdout, stderr). Note: The data read is buffered in memory, so do not use this method if the data size is large or unlimited. The following attributes are also available: stdin If the stdin argument is PIPE, this attribute is a file object that provides input to the child process. Otherwise, it is None. stdout If the stdout argument is PIPE, this attribute is a file object that provides output from the child process. Otherwise, it is None. stderr If the stderr argument is PIPE, this attribute is file object that provides error output from the child process. Otherwise, it is None. pid The process ID of the child process. returncode The child return code. A None value indicates that the process hasn't terminated yet. A negative value -N indicates that the child was terminated by signal N (POSIX only). Replacing older functions with the subprocess module ==================================================== In this section, "a ==> b" means that b can be used as a replacement for a. Note: All functions in this section fail (more or less) silently if the executed program cannot be found; this module raises an OSError exception. In the following examples, we assume that the subprocess module is imported with "from subprocess import *". Replacing /bin/sh shell backquote --------------------------------- output=`mycmd myarg` ==> output = Popen(["mycmd", "myarg"], stdout=PIPE).communicate()[0] Replacing shell pipe line ------------------------- output=`dmesg | grep hda` ==> p1 = Popen(["dmesg"], stdout=PIPE) p2 = Popen(["grep", "hda"], stdin=p1.stdout, stdout=PIPE) output = p2.communicate()[0] Replacing os.system() --------------------- sts = os.system("mycmd" + " myarg") ==> p = Popen("mycmd" + " myarg", shell=True) pid, sts = os.waitpid(p.pid, 0) Note: * Calling the program through the shell is usually not required. * It's easier to look at the returncode attribute than the exitstatus. A more real-world example would look like this: try: retcode = call("mycmd" + " myarg", shell=True) if retcode < 0: print("Child was terminated by signal", -retcode, file=sys.stderr) else: print("Child returned", retcode, file=sys.stderr) except OSError as e: print("Execution failed:", e, file=sys.stderr) Replacing os.spawn* ------------------- P_NOWAIT example: pid = os.spawnlp(os.P_NOWAIT, "/bin/mycmd", "mycmd", "myarg") ==> pid = Popen(["/bin/mycmd", "myarg"]).pid P_WAIT example: retcode = os.spawnlp(os.P_WAIT, "/bin/mycmd", "mycmd", "myarg") ==> retcode = call(["/bin/mycmd", "myarg"]) Vector example: os.spawnvp(os.P_NOWAIT, path, args) ==> Popen([path] + args[1:]) Environment example: os.spawnlpe(os.P_NOWAIT, "/bin/mycmd", "mycmd", "myarg", env) ==> Popen(["/bin/mycmd", "myarg"], env={"PATH": "/usr/bin"}) i Nu win32( u monotonic( u timec B s | Ee Z d Z d S( u SubprocessErrorN( u __name__u __module__u __qualname__( u __locals__( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu SubprocessErrorh s u SubprocessErrorc B s5 | Ee Z d Z d Z d d d � Z d d � Z d S( u CalledProcessErroru� This exception is raised when a process run by check_call() or check_output() returns a non-zero exit status. The exit status will be stored in the returncode attribute; check_output() will also store the output in the output attribute. c C s | | _ | | _ | | _ d S( N( u returncodeu cmdu output( u selfu returncodeu cmdu output( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu __init__q s u CalledProcessError.__init__c C s d | j | j f S( Nu- Command '%s' returned non-zero exit status %d( u cmdu returncode( u self( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu __str__u s u CalledProcessError.__str__N( u __name__u __module__u __qualname__u __doc__u Noneu __init__u __str__( u __locals__( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu CalledProcessErrork s u CalledProcessErrorc B s5 | Ee Z d Z d Z d d d � Z d d � Z d S( u TimeoutExpiredu] This exception is raised when the timeout expires while waiting for a child process. c C s | | _ | | _ | | _ d S( N( u cmdu timeoutu output( u selfu cmdu timeoutu output( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu __init__} s u TimeoutExpired.__init__c C s d | j | j f S( Nu' Command '%s' timed out after %s seconds( u cmdu timeout( u self( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu __str__� s u TimeoutExpired.__str__N( u __name__u __module__u __qualname__u __doc__u Noneu __init__u __str__( u __locals__( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu TimeoutExpiredy s u TimeoutExpiredc B s2 | Ee Z d Z d Z d Z d Z d Z d Z d S( u STARTUPINFOi N( u __name__u __module__u __qualname__u dwFlagsu Noneu hStdInputu hStdOutputu hStdErroru wShowWindow( u __locals__( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu STARTUPINFO� s u STARTUPINFOc B s | Ee Z d Z e Z d S( u pywintypesN( u __name__u __module__u __qualname__u IOErroru error( u __locals__( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu pywintypes� s u pywintypesu pollu PIPE_BUFi u Popenu PIPEu STDOUTu callu check_callu getstatusoutputu getoutputu check_outputu DEVNULL( u CREATE_NEW_CONSOLEu CREATE_NEW_PROCESS_GROUPu STD_INPUT_HANDLEu STD_OUTPUT_HANDLEu STD_ERROR_HANDLEu SW_HIDEu STARTF_USESTDHANDLESu STARTF_USESHOWWINDOWu CREATE_NEW_CONSOLEu CREATE_NEW_PROCESS_GROUPu STD_INPUT_HANDLEu STD_OUTPUT_HANDLEu STD_ERROR_HANDLEu SW_HIDEu STARTF_USESTDHANDLESu STARTF_USESHOWWINDOWc B sP | Ee Z d Z d Z e j d d � Z d d � Z d d � Z e Z e Z d S( u Handlec C s# | j s d | _ | | � n d S( NT( u closedu True( u selfu CloseHandle( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu Close� s u Handle.Closec C s, | j s d | _ t | � St d � � d S( Nu already closedT( u closedu Trueu intu ValueError( u self( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu Detach� s u Handle.Detachc C s d t | � S( Nu Handle(%d)( u int( u self( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu __repr__� s u Handle.__repr__NF( u __name__u __module__u __qualname__u Falseu closedu _winapiu CloseHandleu Closeu Detachu __repr__u __del__u __str__( u __locals__( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu Handle� s u Handleu SC_OPEN_MAXi c C si xb t d d � D]P } | j d t j � } | d k r y t j | � Wqa t k r] Yqa Xq q Wd S( Nu _deadstate( u _activeu _internal_pollu sysu maxsizeu Noneu removeu ValueError( u instu res( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _cleanup� s u _cleanupi i i c G s0 x) y | | � SWq t k r( w Yq Xq d S( N( u InterruptedError( u funcu args( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _eintr_retry_call� s u _eintr_retry_callc C s� i d d 6d d 6d d 6d d 6d d 6d d 6d d 6d d 6d d 6d d 6} g } xP | j � D]B \ } } t t j | � } | d k r_ | j d | | � q_ q_ Wx" t j D] } | j d | � q� W| S( un Return a list of command-line arguments reproducing the current settings in sys.flags and sys.warnoptions.u du debugu Ou optimizeu Bu dont_write_bytecodeu su no_user_siteu Su no_siteu Eu ignore_environmentu vu verboseu bu bytes_warningu qu quietu Ru hash_randomizationi u -u -W( u itemsu getattru sysu flagsu appendu warnoptions( u flag_opt_mapu argsu flagu optu v( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _args_from_interpreter_flags� s& u _args_from_interpreter_flagsu timeoutc O sR t | | � �= } y | j d | � SWn | j � | j � � Yn XWd QXd S( u� Run command with arguments. Wait for command to complete or timeout, then return the returncode attribute. The arguments are the same as for the Popen constructor. Example: retcode = call(["ls", "-l"]) u timeoutN( u Popenu waitu kill( u timeoutu popenargsu kwargsu p( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu call s c O sS t | | � } | rO | j d � } | d k r= | d } n t | | � � n d S( uO Run command with arguments. Wait for command to complete. If the exit code was zero then return, otherwise raise CalledProcessError. The CalledProcessError object will have the return code in the returncode attribute. The arguments are the same as for the call function. Example: check_call(["ls", "-l"]) u argsi N( u callu getu Noneu CalledProcessError( u popenargsu kwargsu retcodeu cmd( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu check_call s c O s� d | k r t d � � n t d t | | � �� } y | j d | � \ } } Wnd t k r� | j � | j � \ } } t | j | d | �� Yn | j � | j � � Yn X| j � } | r� t | | j d | �� n Wd QX| S( uV Run command with arguments and return its output. If the exit code was non-zero it raises a CalledProcessError. The CalledProcessError object will have the return code in the returncode attribute and output in the output attribute. The arguments are the same as for the Popen constructor. Example: >>> check_output(["ls", "-l", "/dev/null"]) b'crw-rw-rw- 1 root root 1, 3 Oct 18 2007 /dev/null\n' The stdout argument is not allowed as it is used internally. To capture standard error in the result, use stderr=STDOUT. >>> check_output(["/bin/sh", "-c", ... "ls -l non_existent_file ; exit 0"], ... stderr=STDOUT) b'ls: non_existent_file: No such file or directory\n' If universal_newlines=True is passed, the return value will be a string rather than bytes. u stdoutu3 stdout argument not allowed, it will be overridden.u timeoutu outputN( u ValueErroru Popenu PIPEu communicateu TimeoutExpiredu killu argsu waitu pollu CalledProcessError( u timeoutu popenargsu kwargsu processu outputu unused_erru retcode( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu check_output' s" !c C sG g } d } x+| D]#} g } | r5 | j d � n d | k pQ d | k pQ | } | rj | j d � n x� | D]� } | d k r� | j | � qq | d k r� | j d t | � d � g } | j d � qq | r� | j | � g } n | j | � qq W| r| j | � n | r | j | � | j d � q q Wd j | � S( u� Translate a sequence of arguments into a command line string, using the same rules as the MS C runtime: 1) Arguments are delimited by white space, which is either a space or a tab. 2) A string surrounded by double quotation marks is interpreted as a single argument, regardless of white space contained within. A quoted string can be embedded in an argument. 3) A double quotation mark preceded by a backslash is interpreted as a literal double quotation mark. 4) Backslashes are interpreted literally, unless they immediately precede a double quotation mark. 5) If backslashes immediately precede a double quotation mark, every pair of backslashes is interpreted as a literal backslash. If the number of backslashes is odd, the last backslash escapes the next double quotation mark as described in rule 3. u u u "u \i u \"u F( u Falseu appendu lenu extendu join( u sequ resultu needquoteu argu bs_bufu c( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu list2cmdlineQ s4 u list2cmdlinec C s� y( t | d d d d d t �} d } Wn7 t k ra } z | j } | j } WYd d } ~ Xn X| d d � d k r� | d d � } n | | f S( u� Return (status, output) of executing cmd in a shell. Execute the string 'cmd' in a shell with os.popen() and return a 2-tuple (status, output). cmd is actually run as '{ cmd ; } 2>&1', so that the returned output will contain output or error messages. A trailing newline is stripped from the output. The exit status for the command can be interpreted according to the rules for the C function wait(). Example: >>> import subprocess >>> subprocess.getstatusoutput('ls /bin/ls') (0, '/bin/ls') >>> subprocess.getstatusoutput('cat /bin/junk') (256, 'cat: /bin/junk: No such file or directory') >>> subprocess.getstatusoutput('/bin/junk') (256, 'sh: /bin/junk: not found') u shellu universal_newlinesu stderri Ni u Ti����i����( u check_outputu Trueu STDOUTu CalledProcessErroru outputu returncode( u cmdu datau statusu ex( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu getstatusoutput� s c C s t | � d S( u% Return output (stdout or stderr) of executing cmd in a shell. Like getstatusoutput(), except the exit status is ignored and the return value is a string containing the command's output. Example: >>> import subprocess >>> subprocess.getoutput('ls /bin/ls') '/bin/ls' i ( u getstatusoutput( u cmd( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu getoutput� s c B sQ | Ee Z d Z dA Z dB d@ d@ d@ d@ d@ e dA d@ d@ dA d@ d dC dA f d d � Z d d � Z d d � Z d d � Z e j d d � Z d d � Z d@ d@ d d � Z d d � Z d d � Z d d � Z e rld d � Z d d � Z d d � Z d d � Z d@ e j e j e j d d � Z d@ d@ d! d" � Z d# d$ � Z d% d& � Z d' d( � Z! d) d* � Z" e" Z# n� d+ d � Z d, d- � Z$ d. d � Z e% j& e% j' e% j( e% j) d/ d0 � Z* d@ e% j+ e% j, e% j- e. j/ d1 d � Z d2 d3 � Z0 d@ d@ d4 d" � Z d5 d& � Z d6 d7 � Z1 d8 d9 � Z2 d: d; � Z3 d< d( � Z! d= d* � Z" d> d? � Z# d@ S(D u Popeni i c C sj t � d | _ d | _ | d k r. d } n t | t � sL t d � � n t r� | d k rm t d � � n | d k p� | d k p� | d k } | t k r� | r� d } q� d } qD| rD| rDt d � � qDnq | t k r� d } n | r| rt j d t � d } n | d k r)t d � � n | d k rDt d � � n | | _ d | _ d | _ d | _ d | _ d | _ | | _ | j | | | � \ } } } } } } t r(| d k r�t j | j � d � } n | d k r�t j | j � d � } n | d k r(t j | j � d � } q(n | d k rst j | d | � | _ | rst j | j d d �| _ qsn | d k r�t j | d | � | _ | r�t j | j � | _ q�n | d k r�t j | d | � | _ | r�t j | j � | _ q�n d | _ yD | j | | | | | | | | | | | | | | | | | | � WnxL t d | j | j | j f � D]) } y | j � Wqrt! k r�YqrXqrW| j s^g } | t" k r�| j# | � n | t" k r�| j# | � n | t" k r| j# | � n t$ | d � r$| j# | j% � n x7 | D], } y t& j | � Wq+t! k rVYq+Xq+Wn � Yn Xd S( u Create new Popen instance.i u bufsize must be an integeru0 preexec_fn is not supported on Windows platformsuS close_fds is not supported on Windows platforms if you redirect stdin/stdout/stderru pass_fds overriding close_fds.u2 startupinfo is only supported on Windows platformsi u4 creationflags is only supported on Windows platformsu wbu write_throughu rbu _devnullNFi����Ti����i����i����i����i����i����(' u _cleanupu Noneu _inputu Falseu _communication_startedu isinstanceu intu TypeErroru mswindowsu ValueErroru _PLATFORM_DEFAULT_CLOSE_FDSu Trueu warningsu warnu RuntimeWarningu argsu stdinu stdoutu stderru pidu returncodeu universal_newlinesu _get_handlesu msvcrtu open_osfhandleu Detachu iou openu TextIOWrapperu _closed_child_pipe_fdsu _execute_childu filteru closeu EnvironmentErroru PIPEu appendu hasattru _devnullu os( u selfu argsu bufsizeu executableu stdinu stdoutu stderru preexec_fnu close_fdsu shellu cwdu envu universal_newlinesu startupinfou creationflagsu restore_signalsu start_new_sessionu pass_fdsu any_stdio_setu p2creadu p2cwriteu c2preadu c2pwriteu errreadu errwriteu fu to_closeu fd( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu __init__� s� ' ! ( u Popen.__init__c C s+ | j | � } | j d d � j d d � S( Nu u u ( u decodeu replace( u selfu datau encoding( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _translate_newlinesO s u Popen._translate_newlinesc C s | S( N( ( u self( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu __enter__S s u Popen.__enter__c C sY | j r | j j � n | j r2 | j j � n | j rK | j j � n | j � d S( N( u stdoutu closeu stderru stdinu wait( u selfu typeu valueu traceback( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu __exit__V s u Popen.__exit__c C sL | j s d S| j d | � | j d k rH t d k rH t j | � n d S( Nu _deadstate( u _child_createdu _internal_pollu returncodeu Noneu _activeu append( u selfu _maxsize( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu __del__` s u Popen.__del__c C s4 t | d � s- t j t j t j � | _ n | j S( Nu _devnull( u hasattru osu openu devnullu O_RDWRu _devnull( u self( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _get_devnullj s u Popen._get_devnullc C s� | j r | r t d � � n | d k rR| j rR| j | j | j g j d � d k rRd } d } | j r� | r� y | j j | � Wq� t k r� } z/ | j t j k r� | j t j k r� � n WYd d } ~ Xq� Xn | j j � nV | j rt | j j � } | j j � n+ | j rEt | j j � } | j j � n | j � ni | d k rnt � | } n d } z | j | | | � \ } } Wd d | _ X| j d | j | � � } | | f S( uc Interact with process: Send data to stdin. Read data from stdout and stderr, until end-of-file is reached. Wait for process to terminate. The optional input argument should be bytes to be sent to the child process, or None, if no data should be sent to the child. communicate() returns a tuple (stdout, stderr).u. Cannot send input after starting communicationi Nu timeoutT( u _communication_startedu ValueErroru Noneu stdinu stdoutu stderru countu writeu IOErroru errnou EPIPEu EINVALu closeu _eintr_retry_callu readu waitu _timeu _communicateu Trueu _remaining_time( u selfu inputu timeoutu stdoutu stderru eu endtimeu sts( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu communicateo s: ' $ u Popen.communicatec C s | j � S( N( u _internal_poll( u self( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu poll� s u Popen.pollc C s | d k r d S| t � Sd S( u5 Convenience for _communicate when computing timeouts.N( u Noneu _time( u selfu endtime( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _remaining_time� s u Popen._remaining_timec C s8 | d k r d St � | k r4 t | j | � � n d S( u2 Convenience for checking if a timeout has expired.N( u Noneu _timeu TimeoutExpiredu args( u selfu endtimeu orig_timeout( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _check_timeout� s u Popen._check_timeoutc C s� | d k r( | d k r( | d k r( d Sd \ } } d \ } } d \ } } | d k r� t j t j � } | d k rGt j d d � \ } } t | � } t j | � qGn� | t k r� t j d d � \ } } t | � t | � } } nZ | t k rt j | j � � } n6 t | t � r2t j | � } n t j | j � � } | j | � } | d k r�t j t j � } | d k rQt j d d � \ } } t | � } t j | � qQn� | t k r�t j d d � \ } } t | � t | � } } nZ | t k rt j | j � � } n6 t | t � r<t j | � } n t j | j � � } | j | � } | d k r�t j t j � } | d k rpt j d d � \ } } t | � } t j | � qpn� | t k rt j d d � \ } } t | � t | � } } no | t k r| } nZ | t k r:t j | j � � } n6 t | t � r[t j | � } n t j | j � � } | j | � } | | | | | | f S( u| Construct and return tuple with IO objects: p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite i i Ni����i����i����i����i����i����( i����i����i����i����i����i����i����i����( i����i����i����i����( i����i����i����i����( i����i����( u Noneu _winapiu GetStdHandleu STD_INPUT_HANDLEu CreatePipeu Handleu CloseHandleu PIPEu DEVNULLu msvcrtu get_osfhandleu _get_devnullu isinstanceu intu filenou _make_inheritableu STD_OUTPUT_HANDLEu STD_ERROR_HANDLEu STDOUT( u selfu stdinu stdoutu stderru p2creadu p2cwriteu c2preadu c2pwriteu errreadu errwriteu _( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _get_handles� sn $ u Popen._get_handlesc C s7 t j t j � | t j � d d t j � } t | � S( u2 Return a duplicate of handle, which is inheritablei i ( u _winapiu DuplicateHandleu GetCurrentProcessu DUPLICATE_SAME_ACCESSu Handle( u selfu handleu h( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _make_inheritable s u Popen._make_inheritablec C s� t j j t j j t j d � � d � } t j j | � s� t j j t j j t j � d � } t j j | � s� t d � � q� n | S( u, Find and return absolut path to w9xpopen.exei u w9xpopen.exeuZ Cannot locate w9xpopen.exe, which is needed for Popen to work with your shell or platform.( u osu pathu joinu dirnameu _winapiu GetModuleFileNameu existsu sysu base_exec_prefixu RuntimeError( u selfu w9xpopen( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _find_w9xpopen s u Popen._find_w9xpopenc C sW | s t d � � t | t � s1 t | � } n | d k rI t � } n d | | | f k r� | j t j O_ | | _ | | _ | | _ n | r8| j t j O_ t j | _ t j j d d � } d j | | � } t j � d k s t j j | � j � d k r8| j � } d | | f } | t j O} q8n z| y> t j | | d d t | � | | | | � \ } } } } Wn7 t j k r�} z t | j � � WYd d } ~ Xn XWd | d k r�| j � n | d k r�| j � n | d k r| j � n t | d � r$t j! | j" � n Xd | _$ t% | � | _& | | _' t j( | � d S( u$ Execute program (MS Windows version)u" pass_fds not supported on Windows.i u COMSPECu cmd.exeu {} /c "{}"l u command.comu "%s" %sNu _devnulli����i����i����i����T() u AssertionErroru isinstanceu stru list2cmdlineu Noneu STARTUPINFOu dwFlagsu _winapiu STARTF_USESTDHANDLESu hStdInputu hStdOutputu hStdErroru STARTF_USESHOWWINDOWu SW_HIDEu wShowWindowu osu environu getu formatu GetVersionu pathu basenameu loweru _find_w9xpopenu CREATE_NEW_CONSOLEu CreateProcessu intu pywintypesu erroru WindowsErroru argsu Closeu hasattru closeu _devnullu Trueu _child_createdu Handleu _handleu pidu CloseHandle( u selfu argsu executableu preexec_fnu close_fdsu pass_fdsu cwdu envu startupinfou creationflagsu shellu p2creadu p2cwriteu c2preadu c2pwriteu errreadu errwriteu unused_restore_signalsu unused_start_new_sessionu comspecu w9xpopenu hpu htu pidu tidu e( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _execute_child sT & u Popen._execute_childc C sF | j d k r? | | j d � | k r? | | j � | _ q? n | j S( u� Check if child process has terminated. Returns returncode attribute. This method is called by __del__, so it can only refer to objects in its local scope. i N( u returncodeu Noneu _handle( u selfu _deadstateu _WaitForSingleObjectu _WAIT_OBJECT_0u _GetExitCodeProcess( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _internal_pollm s u Popen._internal_pollc C s� | d k r | j | � } n | d k r6 t j } n t | d � } | j d k r� t j | j | � } | t j k r� t | j | � � n t j | j � | _ n | j S( uO Wait for child process to terminate. Returns returncode attribute.i� N( u Noneu _remaining_timeu _winapiu INFINITEu intu returncodeu WaitForSingleObjectu _handleu WAIT_TIMEOUTu TimeoutExpiredu argsu GetExitCodeProcess( u selfu timeoutu endtimeu timeout_millisu result( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu wait~ s u Popen.waitc C s! | j | j � � | j � d S( N( u appendu readu close( u selfu fhu buffer( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _readerthread� s u Popen._readerthreadc C s� | j rh t | d � rh g | _ t j d | j d | j | j f � | _ d | j _ | j j � n | j r� t | d � r� g | _ t j d | j d | j | j f � | _ d | j _ | j j � n | j rs| d k rcy | j j | � Wqct k r_} zD | j t j k r#n* | j t j k rJ| j � d k rJn � WYd d } ~ XqcXn | j j � n | j d k r�| j j | j | � � | j j � r�t | j | � � q�n | j d k r| j j | j | � � | j j � rt | j | � � qn d } d } | j r?| j } | j j � n | j ra| j } | j j � n | d k rz| d } n | d k r�| d } n | | f S( Nu _stdout_buffu targetu argsu _stderr_buffi T( u stdoutu hasattru _stdout_buffu threadingu Threadu _readerthreadu stdout_threadu Trueu daemonu startu stderru _stderr_buffu stderr_threadu stdinu Noneu writeu IOErroru errnou EPIPEu EINVALu pollu closeu joinu _remaining_timeu is_aliveu TimeoutExpiredu args( u selfu inputu endtimeu orig_timeoutu eu stdoutu stderr( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _communicate� sZ u Popen._communicatec C s� | t j k r | j � ne | t j k rD t j | j t j � n= | t j k rl t j | j t j � n t d j | � � � d S( u) Send a signal to the process u Unsupported signal: {}N( u signalu SIGTERMu terminateu CTRL_C_EVENTu osu killu pidu CTRL_BREAK_EVENTu ValueErroru format( u selfu sig( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu send_signal� s u Popen.send_signalc C s` y t j | j d � WnB t k r[ t j | j � } | t j k rN � n | | _ Yn Xd S( u# Terminates the process i N( u _winapiu TerminateProcessu _handleu PermissionErroru GetExitCodeProcessu STILL_ACTIVEu returncode( u selfu rc( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu terminate� s u Popen.terminatec C s� d \ } } d \ } } d \ } } | d k r3 n] | t k rQ t � \ } } n? | t k rl | j � } n$ t | t � r� | } n | j � } | d k r� n] | t k r� t � \ } } n? | t k r� | j � } n$ t | t � r� | } n | j � } | d k r nr | t k r)t � \ } } nT | t k r>| } n? | t k rY| j � } n$ t | t � rq| } n | j � } | | | | | | f S( u| Construct and return tuple with IO objects: p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite i i����i����( i����i����i����i����( i����i����i����i����( i����i����N( u Noneu PIPEu _create_pipeu DEVNULLu _get_devnullu isinstanceu intu filenou STDOUT( u selfu stdinu stdoutu stderru p2creadu p2cwriteu c2preadu c2pwriteu errreadu errwrite( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _get_handles� sF c C si d } x= t | � D]/ } | | k r t j | | � | d } q q W| t k re t j | t � n d S( Ni i ( u sortedu osu closerangeu MAXFD( u selfu fds_to_keepu start_fdu fd( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _close_fds) s u Popen._close_fdsc % / s� t | t t f � r! | g } n t | � } | rY d d g | } � rY � | d <qY n � d k rr | d � n � } t � \ } } zvzC| d k rg } xk | j � D]T \ } } t j | � } d | k r� t d � � n | j | d t j | � � q� Wn d } t j � � � t j j � � r:� f } n( t � f d d � t j | � D� � } t | � } | j | � t j | | | t | � | | | | | | | | | | | | | � | _ d | _ Wd t j | � Xt | d d � } | d k r$| d k r$| | k r$t j | � n | d k rX| d k rX| | k rXt j | � n | d k r�| d k r�| | k r�t j | � n | d k r�t j | � n d | _ t � } x? t t j | d � } | | 7} | s�t | � d k r�Pq�q�Wd t j | � X| r�y t t j | j d � Wn= t k rm} z | j t j! k r[� n WYd d } ~ Xn Xy | j" d d � \ } } }! Wn. t k r�d } d } d t# | � }! Yn Xt t$ | j% d � t& � }" |! j% d d � }! t' |" t � r�| r�t( | d � }# |! d k }$ |$ r*d }! n |# d k r�t j) |# � }! |# t j* k r�|$ rq|! d t# | � 7}! q�|! d t# | � 7}! q�n |" |# |! � � n |" |! � � n d S( u Execute program (POSIX version)u /bin/shu -ci s =u! illegal environment variable namec 3 s- | ]# } t j j t j | � � � Vq d S( N( u osu pathu joinu fsencode( u .0u dir( u executable( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu <genexpr>d s u' Popen._execute_child.<locals>.<genexpr>Nu _devnulli iP� s :i s RuntimeErrors 0s Bad exception data from child: u asciiu errorsu surrogatepassi u noexecu u : Ti����i����i����i����i����i����(+ u isinstanceu stru bytesu listu Noneu _create_pipeu itemsu osu fsencodeu ValueErroru appendu pathu dirnameu tupleu get_exec_pathu setu addu _posixsubprocessu fork_execu sortedu pidu Trueu _child_createdu closeu getattru _closed_child_pipe_fdsu bytearrayu _eintr_retry_callu readu lenu waitpidu OSErroru errnou ECHILDu splitu repru builtinsu decodeu RuntimeErroru issubclassu intu strerroru ENOENT(% u selfu argsu executableu preexec_fnu close_fdsu pass_fdsu cwdu envu startupinfou creationflagsu shellu p2creadu p2cwriteu c2preadu c2pwriteu errreadu errwriteu restore_signalsu start_new_sessionu orig_executableu errpipe_readu errpipe_writeu env_listu ku vu executable_listu fds_to_keepu devnull_fdu errpipe_datau partu eu exception_nameu hex_errnou err_msgu child_exception_typeu errno_numu child_exec_never_called( ( u executableu/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _execute_child3 s� % $$$ c C sM | | � r | | � | _ n* | | � r= | | � | _ n t d � � d S( Nu Unknown child exit status!( u returncodeu RuntimeError( u selfu stsu _WIFSIGNALEDu _WTERMSIGu _WIFEXITEDu _WEXITSTATUS( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _handle_exitstatus� s u Popen._handle_exitstatusc C s� | j d k r� y; | | j | � \ } } | | j k rI | j | � n Wq� | k r� } z8 | d k rw | | _ n | j | k r� d | _ n WYd d } ~ Xq� Xn | j S( u� Check if child process has terminated. Returns returncode attribute. This method is called by __del__, so it cannot reference anything outside of the local scope (nor can any methods it calls). i N( u returncodeu Noneu pidu _handle_exitstatusu errno( u selfu _deadstateu _waitpidu _WNOHANGu _os_erroru _ECHILDu pidu stsu e( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _internal_poll� s "c C s{ y" t t j | j | � \ } } WnL t k rp } z, | j t j k rO � n | j } d } WYd d } ~ Xn X| | f S( Ni ( u _eintr_retry_callu osu waitpidu pidu OSErroru errnou ECHILD( u selfu wait_flagsu pidu stsu e( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _try_wait� s " u Popen._try_waitc C s� | j d k r | j S| d k s. | d k rk | d k rJ t � | } qk | d k rk | j | � } qk n | d k r2d } x� | j t j � \ } } | | j k s� | d k s� t � | | j k r� | j | � Pn | j | � } | d k r t | j | � � n t | d | d � } t j | � q� nJ xG | j d k r{| j d � \ } } | | j k r5| j | � q5q5W| j S( uO Wait for child process to terminate. Returns returncode attribute.g����Mb@?i i g�������?N( u returncodeu Noneu _timeu _remaining_timeu _try_waitu osu WNOHANGu pidu AssertionErroru _handle_exitstatusu TimeoutExpiredu argsu minu timeu sleep( u selfu timeoutu endtimeu delayu pidu stsu remaining( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu wait� s2 ! c C s1 | j r9 | j r9 | j j � | s9 | j j � q9 n t r] | j | | | � \ } } n | j | | | � \ } } | j d | j | � � | d k r� d j | � } n | d k r� d j | � } n | j r'| d k r� | j | | j j � } n | d k r'| j | | j j � } q'n | | f S( Nu timeouts ( u stdinu _communication_startedu flushu closeu _has_pollu _communicate_with_pollu _communicate_with_selectu waitu _remaining_timeu Noneu joinu universal_newlinesu _translate_newlinesu stdoutu encodingu stderr( u selfu inputu endtimeu orig_timeoutu stdoutu stderr( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _communicate s, c C sd | j r` | j d k r` d | _ | | _ | j r` | d k r` | j j | j j � | _ q` n d S( Ni ( u stdinu _inputu Noneu _input_offsetu universal_newlinesu encodeu encoding( u selfu input( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _save_input2 s u Popen._save_inputc ! sS d } d } � j s! i � _ n t j � � � � f d d � } � � f d d � } � j r| | r| | � j t j � n � j s� i � _ � j r� g � j � j j � <n � j r� g � j � j j � <q� n t j t j B} � j r| � j | � � j � j j � } n � j rI| � j | � � j � j j � } n � j | � � j rqt � j � } n x�� j rH� j | � } | d k r�| d k r�t � j | � � n y � j | � } WnG t j k r} z$ | j d t j k r wtn � WYd d } ~ Xn X� j | | � x | D]\ } } | t j @r�| � j � j t � } y � j t j | | � 7_ WnG t k r�} z' | j t j k r�| | � n � WYd d } ~ XqAX� j t � j � k rA| | � qAq-| | @r7t j | d � } | s | | � n � j | j | � q-| | � q-WqtW| | f S( Nc s- � j | j � | � | � j | j � <d S( N( u registeru filenou _fd2file( u file_obju eventmask( u polleru self( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu register_and_appendE s u9 Popen._communicate_with_poll.<locals>.register_and_appendc s2 � j | � � j | j � � j j | � d S( N( u unregisteru _fd2fileu closeu pop( u fd( u polleru self( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu close_unregister_and_removeI s uA Popen._communicate_with_poll.<locals>.close_unregister_and_removei i � ( u Noneu _communication_startedu _fd2fileu selectu pollu stdinu POLLOUTu _fd2outputu stdoutu filenou stderru POLLINu POLLPRIu _save_inputu _inputu memoryviewu _remaining_timeu TimeoutExpiredu argsu erroru errnou EINTRu _check_timeoutu _input_offsetu _PIPE_BUFu osu writeu OSErroru EPIPEu lenu readu append( u selfu inputu endtimeu orig_timeoutu stdoutu stderru register_and_appendu close_unregister_and_removeu select_POLLIN_POLLPRIu input_viewu timeoutu readyu eu fdu modeu chunku data( ( u polleru selfu/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _communicate_with_poll= sn u Popen._communicate_with_pollc $ C s� | j s� g | _ g | _ | j r@ | r@ | j j | j � n | j r_ | j j | j � n | j r� | j j | j � q� n | j | � d } d } | j r� | j s� g | _ n | j } n | j r� | j s� g | _ n | j } n x�| j s| j r�| j | � } | d k r?| d k r?t | j | � � n y+ t j | j | j g | � \ } } } WnG t j k r�} z$ | j d t j k r�w� n � WYd d } ~ Xn X| p�| p�| s�t | j | � � n | j | | � | j | k r�| j | j | j t � } y t j | j j � | � } Wn] t k r�} z= | j t j k r�| j j � | j j | j � n � WYd d } ~ Xq�X| j | 7_ | j t | j � k r�| j j � | j j | j � q�n | j | k rFt j | j j � d � } | s6| j j � | j j | j � n | j | � n | j | k r� t j | j j � d � } | s�| j j � | j j | j � n | j | � q� q� W| | f S( Ni i ( u _communication_startedu _read_setu _write_setu stdinu appendu stdoutu stderru _save_inputu Noneu _stdout_buffu _stderr_buffu _remaining_timeu TimeoutExpiredu argsu selectu erroru errnou EINTRu _check_timeoutu _inputu _input_offsetu _PIPE_BUFu osu writeu filenou OSErroru EPIPEu closeu removeu lenu read( u selfu inputu endtimeu orig_timeoutu stdoutu stderru timeoutu rlistu wlistu xlistu eu chunku bytes_writtenu data( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu _communicate_with_select� sz u Popen._communicate_with_selectc C s t j | j | � d S( u) Send a signal to the process N( u osu killu pid( u selfu sig( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu send_signal� s c C s | j t j � d S( u/ Terminate the process with SIGTERM N( u send_signalu signalu SIGTERM( u self( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu terminate� s c C s | j t j � d S( u* Kill the process with SIGKILL N( u send_signalu signalu SIGKILL( u self( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu kill� s u Popen.killNFi����T(4 u __name__u __module__u __qualname__u Falseu _child_createdu Noneu _PLATFORM_DEFAULT_CLOSE_FDSu Trueu __init__u _translate_newlinesu __enter__u __exit__u sysu maxsizeu __del__u _get_devnullu communicateu pollu _remaining_timeu _check_timeoutu mswindowsu _get_handlesu _make_inheritableu _find_w9xpopenu _execute_childu _winapiu WaitForSingleObjectu WAIT_OBJECT_0u GetExitCodeProcessu _internal_pollu waitu _readerthreadu _communicateu send_signalu terminateu killu _close_fdsu osu WIFSIGNALEDu WTERMSIGu WIFEXITEDu WEXITSTATUSu _handle_exitstatusu waitpidu WNOHANGu erroru errnou ECHILDu _try_waitu _save_inputu _communicate_with_pollu _communicate_with_select( u __locals__( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu Popen� sb � 2 H R B 3 } ' $ R R i����i����i����(@ u __doc__u sysu platformu mswindowsu iou osu timeu tracebacku gcu signalu builtinsu warningsu errnou monotonicu _timeu ImportErroru Exceptionu SubprocessErroru CalledProcessErroru TimeoutExpiredu threadingu msvcrtu _winapiu STARTUPINFOu pywintypesu selectu hasattru _has_pollu _posixsubprocessu cloexec_pipeu _create_pipeu getattru _PIPE_BUFu __all__u CREATE_NEW_CONSOLEu CREATE_NEW_PROCESS_GROUPu STD_INPUT_HANDLEu STD_OUTPUT_HANDLEu STD_ERROR_HANDLEu SW_HIDEu STARTF_USESTDHANDLESu STARTF_USESHOWWINDOWu extendu intu Handleu sysconfu MAXFDu _activeu _cleanupu PIPEu STDOUTu DEVNULLu _eintr_retry_callu _args_from_interpreter_flagsu Noneu callu check_callu check_outputu list2cmdlineu getstatusoutputu getoutputu objectu _PLATFORM_DEFAULT_CLOSE_FDSu Popen( ( ( u/ /opt/alt/python33/lib64/python3.3/subprocess.pyu <module>T sr : * I
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