Python检查ping终端的方法

#!/usr/bin/env python# coding: utf8 import timeimport subprocessimport codecsimport osimport re # telnet hostdef pingComputer(host, statusFile):	status1 = 'ping success'	status2 = 'ping faild'	errorStr = 'Destination'	for ipAdd in host:		print ("get: " +ipAdd + " status")		# get now time		nowTime = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))		p = os.popen("ping -q -c 2 -r " + ipAdd)		line = p.read()				# judge errorstr in line if		if errorStr in line:			writeToText(nowTime, ipAdd, status2, statusFile)		else:			writeToText(nowTime, ipAdd, status1, statusFile) 		# write status information to txtdef writeToText(nowTime, ipAdd, status, statusFile):	s_text = 'TIME:' + nowTime + '/t' + 'IP:' + ipAdd + '/t' + 'STATUS:' + status + '/r/n'		if '0' == judgeFile(statusFile):		with open(statusFile, 'a') as f:			f.write(s_text)			f.close()	if '1' == judgeFile(statusFile):		with open(statusFile, 'w') as f:			f.write(s_text)			f.close()							# Determine whether statusFile exists # 0: exists# 1: no existsdef judgeFile(statusFile):	if os.path.exists(statusFile):		return '0'	else:		return '1'			if __name__ == "__main__":	IpFirst = '192.168.1.'	# ip:1~254	host = []	for j in range(254): 		host.append(IpFirst + str(j + 1))	# write file	statusFile = '/root/UpStatus.txt'	pingComputer(host, statusFile)