On Fri, Mar 24, 2017 at 12:42 PM, adam.c.bernier <adam.c.bern...@kp.org> wrote: > Hi, > > I am on Windows 7. Python 2.7 > > I'm trying to have a program run another program using `subprocess.Popen` > > import subprocess as sp > > args = shlex.split(args) > proc = sp.Popen(args,stdout=sp.PIPE,stderr=sp.PIPE) > out, err = proc.communicate() > proc.wait() > > But it *sometimes* doesn't wait and the other program -- which generates a > set of 14 Excel files -- does not complete before control is returned to the > calling program. > > Any ideas on what I can do to make `subprocess.wait()` actually wait? > > Thanks in advance for any assistance you might be able to provide.
If that's what's happening it would be a bug. Are you sure that the other program isn't simply crashing or otherwise failing to complete? By the way, the wait in the code above is redundant because communicate already waits. -- https://mail.python.org/mailman/listinfo/python-list