Running an exe file in python - not working

Question

I have a crazy problem. I have a cmd to run an exe file and it executes with no errors. The cmd in command prompt is

E:\project\cpp\myfirst.exe

I have to call this exe file within my python script. I use subprocess.call. But I get an error. The code and error is as follows

import subprocess
subprocess.call('E:\\project\\cpp\\myfirst.exe')

The error i get is

ERROR: Could not open myfirst setup file
1

I couldnt find the solution. I also tried os.system call. But still the same error. can you guys help me.

NOTE: the exe file is generated from a cpp code

thanks

When you run it from cmd, do you run it from the same directory (i.e. just as myfirst.exe)? — bereal
– bereal, Commented Feb 18, 2016 at 11:34

bereal · Accepted Answer · 2016-02-18 11:38:09Z

3

The program seems to be seeking for some configuration file in the working directory, which is not always the same as the one where the executable is. Try instead:

import subprocess
subprocess.call('myfirst.exe', cwd=r'E:\project\cpp')

If you have written myfirst.exe yourself, consider changing the lookup logic so that it checks the executable's own directory.

answered Feb 18, 2016 at 11:38

bereal

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Community · Accepted Answer · 2017-05-23 11:59:26Z

-1

Under Linux I have always found the popen mechanism to be more reliable.

from subprocess import Popen, PIPE process = Popen(['swfdump',
'/tmp/filename.swf', '-d'], stdout=PIPE, stderr=PIPE) stdout, stderr =process.communicate()

Answer taken from

How to use subprocess popen Python

edited May 23, 2017 at 11:59

CommunityBot

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answered Feb 18, 2016 at 11:42

Tim Seed

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