用python实现监听微信撤回消息

import itchat
from itchat.content import *
import os
import time
import xml.dom.minidom   temp = 'd:/itchat' + '/' + '撤回的消息'
if not os.path.exists(temp):os.mkdir(temp)itchat.auto_login(True)   dict = {}   @itchat.msg_register([TEXT, PICTURE, FRIENDS, CARD, MAP, SHARING, RECORDING, ATTACHMENT, VIDEO]) 
def resever_info(msg):global dict   info = msg['Text']  msgId = msg['MsgId']  info_type = msg['Type'] name = msg['FileName']  fromUser = itchat.search_friends(userName=msg['FromUserName'])['NickName']ticks = msg['CreateTime']  time_local = time.localtime(ticks)dt = time.strftime("%Y-%m-%d %H:%M:%S", time_local)dict[msgId] = {"info": info, "info_type": info_type, "name": name, "fromUser": fromUser, "dt": dt}@itchat.msg_register(NOTE) 
def note_info(msg):if '撤回了一条消息' in msg['Text']:content = msg['Content']doc = xml.dom.minidom.parseString(content)result = doc.getElementsByTagName("msgid")msgId = result[0].childNodes[0].nodeValuemsg_type = dict[msgId]['info_type']if msg_type == 'Recording':  recording_info = dict[msgId]['info']  info_name = dict[msgId]['name'] fromUser = dict[msgId]['fromUser'] dt = dict[msgId]['dt'] recording_info(temp + '/' + info_name) send_msg = '【发送人:】' + fromUser + '\n' + '发送时间:' + dt + '\n' + '撤回了一条语音'itchat.send(send_msg, 'filehelper') itchat.send_file(temp + '/' + info_name, 'filehelper')del dict[msgId] print("保存语音")elif msg_type == 'Text':text_info = dict[msgId]['info'] fromUser = dict[msgId]['fromUser']dt = dict[msgId]['dt'] send_msg = '【发送人:】' + fromUser + '\n' + '发送时间:' + dt + '\n' + '撤回内容:' + text_infoitchat.send(send_msg, 'filehelper')del dict[msgId] print("保存文本")elif msg_type == 'Picture':picture_info = dict[msgId]['info'] fromUser = dict[msgId]['fromUser']dt = dict[msgId]['dt'] info_name = dict[msgId]['name'] picture_info(temp + '/' + info_name) send_msg = '【发送人:】' + fromUser + '\n' + '发送时间:' + dt + '\n' + '撤回了一张图片'itchat.send(send_msg, 'filehelper')itchat.send_file(temp + '/' + info_name, 'filehelper')del dict[msgId] print("保存图片")itchat.run()