#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
import random
import string
import os
import tempfile
import time
import re
import _env
from lib.command import call_cmd, search_path
assert search_path("file")
# def call_cmd(cmd):
# res = os.system(cmd)
# if res != 0:
# raise Exception("%s exit with %d" % (cmd, res))
def random_string(n):
s = string.ascii_letters + string.digits
result = ""
for i in xrange(n):
result += random.choice(s)
return result
def ping(ip):
return 0 == os.system("ping -i0.3 -c2 -W1 %s >/dev/null" % (ip))
def available():
path = search_path("xm")
return path and True or False
