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Killing background window when running .exe from Python program

Below is a line from a python program that calls demo.exe. a window for demo.exe opens when it is called, is there a way for demo.exe to run in the "background"? that is, I don't want the window to show for it, I just want demo.exe to run.


p = subprocess.Popen(args = "demo.exe", stdout = subprocess.PIPE)

the output of demo.exe is used by the python program in real time, so demo.exe is not something I can run before running the python program. demo.exe handles a lot of on-the-fly computations. I am using windows xp.

early!

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2 answers


Thanks to fooobar.com/questions/183664 / ... I think this is what you need:

startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
p = subprocess.Popen(args = "demo.exe", stdout=subprocess.PIPE, startupinfo=startupinfo)


I tested my Python 2.6 on XP and it does hide the window.

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Try the following:



from subprocess import Popen, PIPE, STARTUPINFO, STARTF_USESHOWWINDOW
startupinfo = STARTUPINFO()
startupinfo.dwFlags |= STARTF_USESHOWWINDOW
p = Popen(cmdlist, startupinfo=startupinfo, ...)
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