使用python获取window注册表值的方法

提供regfullpath的方法，可以自行封装个regpath的函数
import logging
import pywintypes

import win32api
import win32con

def getValue(strKeyPath, intAccessMask, strValueName, default=None):

    if strKeyPath[0] == '\\':
        strKeyPath = strKeyPath[1:]
    strRoot, strKey = strKeyPath.split('\\', 1)
    if strRoot not in g_dicKeyRoot:
        raise KeyError(strRoot)
    intRoot = g_dicKeyRoot[strRoot]
    if intAccessMask == None:
        intAccessMask = win32con.KEY_QUERY_VALUE | win32con.KEY_ENUMERATE_SUB_KEYS | win32con.KEY_NOTIFY
    h = win32api.RegOpenKeyEx(intRoot, strKey, 0, intAccessMask)
    try:
        value, vType = win32api.RegQueryValueEx(h, strValueName)
    except pywintypes.error as e:
        if str(e.args[0]) == '2':  # value name doesn't exist
            if strValueName == '':
                return None, win32con.REG_NONE
            if default != None:
                return default, None
        raise
    return value, vType

def actGetRegKey(strRegKeyPath, strKeyName):
    '''
    @param strRegKeyPath: Specify registry key path. Ex. r"HKEY_LOCAL_MACHINE\SOFTWARE\test123"
    @param strKeyName: Specify registry key name. Ex. "VirusCount"
    @return: strKeyValue[0] -> key value
    @example: actGetRegKey(r"HKEY_LOCAL_MACHINE\SOFTWARE\test123","VirusCount")
    '''
    try:
        intAccessMask = win32con.KEY_QUERY_VALUE | win32con.KEY_ENUMERATE_SUB_KEYS | win32con.KEY_NOTIFY
        strKeyValue = getValue(strRegKeyPath, intAccessMask, strKeyName)
        logging.debug(
            'GetRegKey success, path %s, keyName %s , keyValue %s' % (strRegKeyPath, strKeyName, strKeyValue))
        return strKeyValue[0]
    except pywintypes.error as e:
        if 'Access is denied' in str(e):
            logging.info(
                'Reading regkey %s %s access is denied, change way to KEY_READ' % (strRegKeyPath, strKeyName))
            strKeyValue = getValue(strRegKeyPath, win32con.KEY_READ, strKeyName)
            logging.debug(
                'GetRegKey success, path %s, keyName %s , keyValue %s' % (strRegKeyPath, strKeyName, strKeyValue))
            return strKeyValue[0]

def GetRegistryValuebyFullPath(fullregpath, regkeyname):
    try:
        logging.info("full registry path: %s" % fullregpath)
        registryValue = actGetRegKey(fullregpath, regkeyname)
        logging.info("registryValue: %s" % registryValue)
        return registryValue
    except pywintypes.error as e:
        logging.error('GetRegistryValue Error! %s' % str(e))