python读取注册表中值的方法

# -*- coding: utf-8 -*-
# 获取Windows的已打的补丁号

from _winreg import *
import re

def subRegKey(key, pattern, patchlist):
  # 个数
  count = QueryInfoKey(key)[0]
  for index in range(count):
    # 获取标题
    name = EnumKey(key, index)
    result = patch.match(name)
    if result:
      patchlist.append(result.group(1))
    sub = OpenKey(key, name)
    subRegKey(sub, pattern, patchlist)
    CloseKey(sub)

if __name__ == '__main__':
  patchlist = []
  updates = 'SOFTWARE\\Microsoft\\Updates'
  patch = re.compile('(KB\d{6}).*')
  key = OpenKey(HKEY_LOCAL_MACHINE, updates)
  subRegKey(key, patch, patchlist)
  print 'Count: ' + str(len(patchlist))
  for p in patchlist:
    print p
  CloseKey(key) 

import _winreg

explorer = _winreg.OpenKey(
  _winreg.HKEY_CURRENT_USER,
  "Software\\Microsoft\\Windows\CurrentVersion\\Explorer"
  )

#list values owned by this registry key 
try:
  i = 0
  while 1:
   name, value, type= _winreg.EnumValue(explorer, i)
   print repr(name),
   i += 1
except WindowsError:
  print

value, type = _winreg.QueryValueEx(explorer, "Logon User Name")

print
print "user is", repr(value)


'Logon User Name' 'CleanShutdown' 'ShellState' 'Shutdown Setting'
'Reason Setting' 'FaultCount' 'FaultTime' 'IconUnderline'...

user is u'Effbot'