python实现自动更换ip的方法

本文实例讲述了python实现自动更换ip的方法。分享给大家供大家参考。具体实现方法如下：

#!/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(\'\')

希望本文所述对大家的Python程序设计有所帮助。