python subprocess how to

subprocess_example.py

# http://www.bogotobogo.com/python/python_subprocess_module.php

#!/usr/bin/python
import subprocess

# Example 1
out = subprocess.Popen(['df', '-h'],
                       stdout=subprocess.PIPE,
                       stderr=subprocess.PIPE)
(stdout, stderr) = out.communicate()
exitcode = out.returncode

print stdout
print stderr
print exitcode

----

# Example 2
(stdout, stderr, exitcode) = command(['df', '-h'])

def command(args):
  out = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=False)
  (stdout, stderr) = out.communicate()
  return stdout, stderr, out.returncode