Python ping远程主机工具实现代码

#!/usr/bin/python 
import os 
import re 
import platform 
 
def validateIP(ipStart,ipEnd): 
    p = re.compile('([1-9]|[1-9]d|1d{2}|2[0-4]d|25[0-5])(.(d|[1-9]d|1d{2}|2[0-4]d|25[0-5])){3}') 
    if p.match(ipStart) and p.match(ipEnd): 
        if ipStart[:ipStart.rfind(".")] <> ipEnd[:ipEnd.rfind(".")]: 
            print "Do not support different Net segment" 
            exit(0) 
    else: 
        print "invalid IP Address" 
        exit(0) 
     
def checkPing(ipStart,ipEnd): 
    ''''' create result txt ''' 
    if os.path.isfile("PingHostResult.txt"): 
        os.remove("PingHostResult.txt") 
    fp = open("PingHostResult.txt","w") 
     
    ''''' check different os ''' 
    if platform.system() == 'linux' : 
        cmd = 'ping -c 4 %s' 
    else: 
        cmd = 'ping -n 4 -w 1 %s' 
    if ipStart == ipEnd : 
        backInfo = os.system(cmd%ipStart) 
        if backInfo == 0 : 
            result = ipStart+' is ok' 
        else: 
            result = ipStart+' no response' 
        fp.writelines(result) 
    else: 
        ipMin = ipStart[ipStart.rfind(".")+1:] 
        ipMax = ipEnd[ipEnd.rfind(".")+1:] 
        for i in range (int(ipMin),int(ipMax)+1): 
            targetIp = ipStart[:ipStart.rfind(".")]+"."+str(i) 
            backInfo = os.system(cmd%targetIp) 
            if backInfo == 0 : 
                result = targetIp+' is ok' 
            else: 
                result = targetIp+' no response' 
            fp.writelines(result+os.linesep) 
    fp.flush() 
    fp.close() 
 
if __name__ == "__main__": 
    ipStart = raw_input("PLS input Start ipAddress: ") 
    ipEnd =  raw_input("PLS input End ipAddress: ") 
    validateIP(ipStart,ipEnd) 
    checkPing(ipStart,ipEnd) 
    ''''' result output''' 
    for item in open("PingHostResult.txt","r").readlines(): 
        print item