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python Programming Glossary: p.pollhttp://stackoverflow.com/questions/12270645/can-you-make-a-python-subprocess-output-stdout-and-stderr-as-usual-but-also-cap sys.stderr.write 'stderr ' read stderr.append read if p.poll None break print 'program ended' print 'stdout ' .join stdout..
Popen waiting for child process even when the immediate child has terminated http://stackoverflow.com/questions/13243807/popen-waiting-for-child-process-even-when-the-immediate-child-has-terminated C stdin PIPE stdout PIPE stderr PIPE kwargs assert not p.poll 1 Process Creation Flags for CreateProcess share improve this..
Bypassing buffering of subprocess output with popen in C or Python http://stackoverflow.com/questions/1410849/bypassing-buffering-of-subprocess-output-with-popen-in-c-or-python None data p.stdout.read 1 sys.stdout.write data p.poll Adjust the path for your operating system. When run in this..
How to determine subprocess.Popen() failed when shell=True http://stackoverflow.com/questions/2861548/how-to-determine-subprocess-popen-failed-when-shell-true will work although it will be None until you've called p.poll . poll itself will return the error code so you can just do..
Wait the end of subprocesses with multiple parallel jobs http://stackoverflow.com/questions/3194018/wait-the-end-of-subprocesses-with-multiple-parallel-jobs p subprocess.Popen args ps.append p while True ps_status p.poll for p in ps if all x is not None for x in ps_status break is..
Ensuring subprocesses are dead on exiting Python program http://stackoverflow.com/questions/320232/ensuring-subprocesses-are-dead-on-exiting-python-program ... p_sec 0 ... for second in range timeout_sec ... if p.poll None ... time.sleep 1 ... p_sec 1 ... if p_sec timeout_sec..
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 will cause.. Edit How about t_nought time.time seconds_passed 0 while p.poll is not None and seconds_passed 10 seconds_passed time.time t_nought..
python: nonblocking subprocess, check stdout http://stackoverflow.com/questions/4585692/python-nonblocking-subprocess-check-stdout for line in readoutf print line print waiting... r n if p.poll None done True time.sleep 1 output p.communicate 0 print output..
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