python实现自动更换ip的方法

 #!/usr/bin/env python #-*- encoding:gb2312 -*- # Filename: IP.py import sitecustomize import _winreg import ConfigParser from ctypes import * print '正在进行网络适配器检测，请稍候…' print netCfgInstanceID = None hkey = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, \ r'System\CurrentControlSet\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}') keyInfo = _winreg.QueryInfoKey(hkey) # 寻找网卡对应的适配器名称 netCfgInstanceID for index in range(keyInfo[0]): hSubKeyName = _winreg.EnumKey(hkey, index) hSubKey = _winreg.OpenKey(hkey, hSubKeyName) try: hNdiInfKey = _winreg.OpenKey(hSubKey, r'Ndi\Interfaces') lowerRange = _winreg.QueryValueEx(hNdiInfKey, 'LowerRange') # 检查是否是以太网 if lowerRange[0] == 'ethernet': driverDesc = _winreg.QueryValueEx(hSubKey, 'DriverDesc')[0] print '检测到网络适配器名：', driverDesc netCfgInstanceID = _winreg.QueryValueEx(hSubKey, 'NetCfgInstanceID')[0] print '检测到网络适配器ID：', netCfgInstanceID if netCfgInstanceID == None: print '没有找到网络适配器，程序退出' exit() break _winreg.CloseKey(hNdiInfKey) except WindowsError: print r'Message: No Ndi\Interfaces Key' # 循环结束，目前只提供修改一个网卡IP的功能 _winreg.CloseKey(hSubKey) _winreg.CloseKey(hkey) # 通过修改注册表设置IP strKeyName = 'System\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces\\' + netCfgInstanceID print '网络适配器的注册表地址是：\n', strKeyName hkey = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, \ strKeyName, \ 0, \ _winreg.KEY_WRITE) config = ConfigParser.ConfigParser() print print '正在打开IP.ini配置文件…' config.readfp(open('IP.ini')) IPAddress = config.get("school","IPAddress") SubnetMask = config.get("school","SubnetMask") GateWay = config.get("school","GateWay") DNSServer1 = config.get("school","DNSServer1") DNSServer2 = config.get("school","DNSServer2") DNSServer = [DNSServer1,DNSServer2] print '配置文件内设定的信息如下，请核对：' print print 'IP地址：', IPAddress print '子关掩码：', SubnetMask print '默认网关：', GateWay print '主DNS服务器：', DNSServer1 print '次DNS服务器：', DNSServer2 print res = raw_input('现在，请您决定：输入1，则将配置文件写入系统；输入2，则将现有的系统设定还原为全部自动获取；否则程序退出：') if str(res) == '1': try: _winreg.SetValueEx(hkey, 'EnableDHCP', None, _winreg.REG_DWORD, 0x00000000) _winreg.SetValueEx(hkey, 'IPAddress', None, _winreg.REG_MULTI_SZ, [IPAddress]) _winreg.SetValueEx(hkey, 'SubnetMask', None, _winreg.REG_MULTI_SZ, [SubnetMask]) _winreg.SetValueEx(hkey, 'DefaultGateway', None, _winreg.REG_MULTI_SZ, [GateWay]) _winreg.SetValueEx(hkey, 'NameServer', None, _winreg.REG_SZ, ','.join(DNSServer)) except WindowsError: print 'Set IP Error' exit() _winreg.CloseKey(hkey) print '切换成功！重置网络后即可生效' elif str(res) == '2': try: _winreg.SetValueEx(hkey, 'EnableDHCP', None, _winreg.REG_DWORD, 0x00000001) _winreg.SetValueEx(hkey, 'T1', None, _winreg.REG_DWORD, 0x00000000) _winreg.SetValueEx(hkey, 'T2', None, _winreg.REG_DWORD, 0x00000000) _winreg.SetValueEx(hkey, 'NameServer', None, _winreg.REG_SZ, None) _winreg.SetValueEx(hkey, 'DhcpConnForceBroadcastFlag', None, _winreg.REG_DWORD, 0x00000000) _winreg.SetValueEx(hkey, 'Lease', None, _winreg.REG_DWORD, 0x00000000) _winreg.SetValueEx(hkey, 'LeaseObtainedTime', None, _winreg.REG_DWORD, 0x00000000) _winreg.SetValueEx(hkey, 'LeaseTerminatesTime', None, _winreg.REG_DWORD, 0x00000000) except WindowsError: print 'Set IP Error' exit() _winreg.CloseKey(hkey) print '切换成功！重置网络后即可生效' else: print '用户手动取消，程序退出' exit('')