Execute a Bash command in python, getting back return code, stdin and stdout.

execute_bash_command.py

import subprocess
p = subprocess.Popen(['ls', '-la'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
o, e = p.communicate()

print "Executed command ls -la with returncode", p.returncode
print "                             stdout    ", o
print "                             error     ", e