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：
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#!/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('')
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