how can use cmd in py file?

Question

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Answer 1

I use this kind of code instead:

import subprocess

try:
popen = subprocess("echo Hello world!", shell=True, stdout=subprocess.PIPE)
ret = popen.wait()
except:
sys.exit(1)

out = popen.stdout.read()

print("----- ret: "+str(ret))
print("\n\n----- out:\n"+out)

sys.exit(0)

ret is an integer with the return value of the command, while you can read the standard output ( stdout ) result as string ( then you can use it for retrieving some information ).

I don't know if it work too on ms windows.
But by using command line, you break the platform independance from your code ( and mine is on linux ^^ )...

Answer 2

i use import os
os.system(cmd)
but dont work!