Run a command in python

run.py

#!/usr/bin/env python
import subprocess
import sys

def run(command):
    if not command:
        raise Exception("Commande vide")
    else:
        print command
        p = subprocess.Popen(command.split(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        p.wait()
        out, err = p.communicate()
        return out

if __name__ == "__main__":
    print run(" ".join(sys.argv[1:])),