Python之注册表增删改查（干货）

在Windows平台下，对注册表的增删改查的需求比较多，微软提供了很多用于访问，修改注册表等的API，我们可以使用诸如bat，或者C++等各种方式去访问修改注册表。无所不能的python下如何完成这些操作呢？pywin32模块中提供了与微软提供的C++等语言API一致的使用python对注册表进行操作的接口。今天带给大家的是对注册表进行修改的代码（PS:想使用的孩纸直接复制拿走，亲测可用！）需要的孩纸们直接看代码：

 1 import win32api, win32con
 2 import sys
 3 
 4 __author__ = 'Berlin'
 5 
 6 def ModifyReg(key, keyPath, valueName, valueType, value):
 7     try:
 8         '''
 9         RegConnectRegistry: 
10             computerName: string(If None, the local computer is used)
11             key: int(May be win32con.HKEY_LOCAL_MACHINE...)
12         '''
13         keyHandle = win32api.RegConnectRegistry(None, key)
14         '''
15         RegOpenKeyEx:
16             key: PyHKEY/int
17             subKey: string
18             reserved = 0: int(Reserved. Must be zero.)
19             sam = KEY_READ: int(If you want to set the value later, you must open the key with KEY_SET_VALUE)
20         '''
21         subkeyHandle = win32api.RegOpenKeyEx(keyHandle, keyPath)
22         '''
23         RegQueryValueEx:
24             key: PyHKEY/int
25             valueName: The name of the value to query
26         '''
27         (currValue, type) = win32api.RegQueryValueEx(subkeyHandle, valueName)
28         if (currValue == value):
29             print 'PASS: Check reg value: %s' % valueName
30             return 1
31         else:
32             print 'INFO: The %s is not the same as %s' % (valueName, value)
33             print 'INFO: Try to set %s as %s' %(valueName, value)
34             subkeyHandle = win32api.RegOpenKeyEx(keyHandle, keyPath, 0, win32con.KEY_SET_VALUE)
35             '''
36             RegSetValueEx:
37                 key: PyHKEY/int
38                 valueName: string(The name of the value to set)
39                 reserved: any(Zero will always be passed to the API function)
40                 type: int(REG_DWORD, REG_SZ ...)
41                 value: registry data
42             '''
43             win32api.RegSetValueEx(subkeyHandle, valueName, 0, valueType, value)
44     except:
45         print 'FAIL: ModifyReg %s. Exception happened. Exception happened when accessing registry key under %s.' % (valueName, keyPath) 
46         return 0
47     print 'SUCCESS: ModifyReg %s value under %s' % (valueName, keyPath)
48     return 1
49 
50 def main():
51     key = win32con.HKEY_LOCAL_MACHINE
52     AUPath = r'SOFTWAREMicrosoftWindowsCurrentVersionWindowsUpdateAuto Update'
53     valueName = r'AUOptions'
54     valueType = win32con.REG_DWORD
55     value = 1
56     ModifyReg(key, AUPath, valueName, valueType, value)
57     
58 if __name__ == '__main__':
59     sys.exit(main())

实例是修改Windows自动更新的注册表项，将其修改为1.

感谢阅读，希望能帮到大家！

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