sudo_pass="comodo"
on_off="off"
command=r'echo %s | sudo softwareupdate --schedule %s'%(sudo_pass,on_off)
#print command
import subprocess

process=subprocess.Popen(command, shell=True, stdout=subprocess.PIPE)
result=process.communicate()
ret=process.returncode
if ret==0:
    if result[0]:
        print result[0].strip()
    else:
        if on_off=="off":
            print "Disabled Automatic Update"
        else:
            print "Enabled Automatic Update"
        
else:
    print '%s\n%s'%(str(ret), str(result[1]))