how to catch the sys.exit value in one program from other program in python

I have one python file I am returning from the file using sys.exit(some_val).

Now, I have one more file, from which I am executing like below:

proc = subprocess.Popen(cmd, stdout = subprocess.PIPE, stderr = subprocess.PIPE, shell = True)
output, error = proc.communicate()

Can you please let me know if there is any way to get the value (which is returned by using sys.exit() from from


Use proc.returncode:

print " exited with code {0}".format(proc.returncode)

You can get the return code from proc.returncode, but calling a python program from another python program via subprocess seems a stange thing to do...

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