1import six 2 3if six.PY2: 4 import commands 5 get_command_output = commands.getoutput 6 get_command_status_output = commands.getstatusoutput 7 8 cmp_ = cmp 9else: 10 def get_command_status_output(command): 11 try: 12 import subprocess 13 return (0, subprocess.check_output(command, shell=True, universal_newlines=True)) 14 except subprocess.CalledProcessError as e: 15 return (e.returncode, e.output) 16 17 def get_command_output(command): 18 return get_command_status_output(command)[1] 19 20 cmp_ = lambda x, y: (x > y) - (x < y)