The easy way to execute sudo command in Python using subprocess.Popen

run a command as root using sudo from Python:

 1 import subprocess
 2 
 3 def mypass():
 4     mypass = '123' #or get the password from anywhere
 5     return mypass
 6 
 7 echo = subprocess.Popen(['echo',mypass()],
 8                         stdout=subprocess.PIPE,
 9                         )
10 
11 sudo = subprocess.Popen(['sudo','-S','iptables','-L'],
12                         stdin=echo.stdout,
13                         stdout=subprocess.PIPE,
14                         )
15 
16 end_of_pipe = sudo.stdout
17 
18 print "Password ok \n Iptables Chains %s" % end_of_pipe.read()

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