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python Programming Glossary: retcodeHow to hide output of subprocess in Python 2.7 http://stackoverflow.com/questions/11269575/how-to-hide-output-of-subprocess-in-python-2-7 import os import subprocess FNULL open os.devnull 'w' retcode subprocess.call 'echo' 'foo' stdout FNULL stderr subprocess.STDOUT..
What's a good equivalent to python's subprocess.check_call that returns the contents of stdout? http://stackoverflow.com/questions/2924310/whats-a-good-equivalent-to-pythons-subprocess-check-call-that-returns-the-cont popenargs kwargs output unused_err process.communicate retcode process.poll if retcode cmd kwargs.get args if cmd is None cmd.. unused_err process.communicate retcode process.poll if retcode cmd kwargs.get args if cmd is None cmd popenargs 0 raise subprocess.CalledProcessError.. None cmd popenargs 0 raise subprocess.CalledProcessError retcode cmd output output return output class CalledProcessError Exception..
obtaining pid of child process http://stackoverflow.com/questions/3332043/obtaining-pid-of-child-process stdout subprocess.PIPE ps_output ps_command.stdout.read retcode ps_command.wait assert retcode 0 ps command returned d retcode.. ps_command.stdout.read retcode ps_command.wait assert retcode 0 ps command returned d retcode for pid_str in ps_output.split.. ps_command.wait assert retcode 0 ps command returned d retcode for pid_str in ps_output.split n 1 os.kill int pid_str sig..
Python, Popen and select - waiting for a process to terminate or a timeout http://stackoverflow.com/questions/337863/python-popen-and-select-waiting-for-a-process-to-terminate-or-a-timeout stdin subprocess.PIPE time.sleep SECONDS_TO_WAIT retcode p.poll if retcode is not None # process has terminated This.. time.sleep SECONDS_TO_WAIT retcode p.poll if retcode is not None # process has terminated This will cause you to..
Perform commands over ssh with Python http://stackoverflow.com/questions/3586106/perform-commands-over-ssh-with-python At the moment I'm doing calls thus cmd some unix command retcode subprocess.call cmd shell True However I need to run some commands..
Open document with default application in Python http://stackoverflow.com/questions/434597/open-document-with-default-application-in-python Now let's say we use subprocess. Canonically you'd use try retcode subprocess.call open filename shell True if retcode 0 print.. try retcode subprocess.call open filename shell True if retcode 0 print sys.stderr Child was terminated by signal retcode else.. retcode 0 print sys.stderr Child was terminated by signal retcode else print sys.stderr Child returned retcode except OSError..
Python on Windows: Run multiple programs sequentially in one command prompt http://stackoverflow.com/questions/4415134/python-on-windows-run-multiple-programs-sequentially-in-one-command-prompt instream stdout outstream stderr errstream while True retcode proc.poll if retcode None if mAbortBuild proc.terminate return.. outstream stderr errstream while True retcode proc.poll if retcode None if mAbortBuild proc.terminate return False else time.sleep.. proc.terminate return False else time.sleep 1 else if retcode 0 return True else return False I switched to opening a command..
What's the difference between subprocess' Popen and call; how do you use them to do shell redirects? http://stackoverflow.com/questions/7681715/whats-the-difference-between-subprocess-popen-and-call-how-do-you-use-them-to are the same as for the Popen constructor. Example retcode call ls l with Popen popenargs kwargs as p try return p.wait..
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