注册表增删改查

python2.7版本

# coding=utf8
import os
import sys
from subprocess import check_call

if sys.hexversion > 0x03000000:
    import winreg
else:
    import _winreg as winreg


class Win32Environment:
    """Utility class to get/set windows environment variable"""

    def __init__(self, scope):
        # assert scope in ('user', 'system')
        self.scope = scope
        if scope == 'user':
            self.root = winreg.HKEY_CURRENT_USER
            self.subkey = 'Environment'
        else:
            self.root = winreg.HKEY_LOCAL_MACHINE
            self.subkey = r'SYSTEMCurrentControlSetControlSession ManagerEnvironment'

    def getenv(self, name):
        key = winreg.OpenKey(self.root, self.subkey, 0, winreg.KEY_READ)
        try:
            value, _ = winreg.QueryValueEx(key, name)
        except WindowsError:
            value = ''
        return value

    def setValue(self, name, value,type=winreg.REG_EXPAND_SZ):
        # Note: for 'system' scope, you must run this as Administrator
        key = winreg.OpenKey(self.root, self.subkey, 0, winreg.KEY_ALL_ACCESS)
        winreg.SetValueEx(key, name, 0, type, value)
        winreg.CloseKey(key)
        # TODO: handle CalledProcessError (for assert)
        check_call(
            '''"%s" -c "import win32api, win32con;assert win32api.SendMessage(win32con.HWND_BROADCAST, win32con.WM_SETTINGCHANGE,0, 'Environment')"''' % sys.executable)

    def get_userenv(self, name):
        # Note: for 'system' scope, you must run this as Administrator
        key = winreg.OpenKey(self.root, self.subkey, 0, winreg.KEY_ALL_ACCESS)
        value, _ = winreg.QueryValueEx(key, name)
        return value

    def deleteKey(self,name):
        key = winreg.OpenKey(self.root, self.subkey, 0, winreg.KEY_ALL_ACCESS)
        value, _ = winreg.DeleteKey(key, name)
        return value



def get_value(name):
    e2 = Win32Environment(scope="user")
    res =e2.get_userenv(name)
    return '注册表查询完成,{}的值为{}'.format(name,res)


def set_value(name,value,input_type=None):
    if input_type=='string':
        input_type=winreg.REG_SZ
    elif input_type=='binary':
        input_type = winreg.REG_BINARY
    elif input_type=='dword':
        input_type=winreg.REG_DWORD
    else:
        input_type=winreg.REG_EXPAND_SZ

    e2 = Win32Environment(scope="user")
    e2.setValue(name,value,type=input_type)
    return '注册表设置完成'


def del_key(name):
    try:
        e2 = Win32Environment(scope="user")
        e2.deleteKey(name)
        return '注册表删除完成'
    except Exception as e:
        print e
        print '删除失败，请查看父节点是否设置成完全控制，详情查看WOW6432Node配置'
        sys.exit(1)


if __name__ == '__main__':
    if func=='get':
        print get_value(name)
    elif func=='set':
        print set_value(name,value,input_type=input_type)
    elif func=='del':
        print del_key(name)
    else:
        print '请在func参数中填入get，set或del'
        sys.exit(1)