itchat 监控微信好友撤回消息

转载自：https://blog.csdn.net/enweitech/article/details/79585043，修改部分代码以适应python 3.x版本

# coding:utf-8
import itchat

from itchat.content import TEXT
from itchat.content import *
import sys
import time
import re
import importlib
import os

importlib.reload(sys)

msg_information = {}
face_bug = None  # 针对表情包的内容


@itchat.msg_register([TEXT, PICTURE, FRIENDS, CARD, MAP, SHARING, RECORDING, ATTACHMENT, VIDEO], isFriendChat=True,
                     isGroupChat=True, isMpChat=True)
def handle_receive_msg(msg):
    global face_bug
    msg_time_rec = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())  # 接受消息的时间
    msg_from = itchat.search_friends(userName=msg['FromUserName'])['NickName']  # 在好友列表中查询发送信息的好友昵称
    msg_time = msg['CreateTime']  # 信息发送的时间
    msg_id = msg['MsgId']  # 每条信息的id
    msg_content = None  # 储存信息的内容
    msg_share_url = None  # 储存分享的链接，比如分享的文章和音乐
    print
    msg['Type']
    print
    msg['MsgId']
    if msg['Type'] == 'Text' or msg['Type'] == 'Friends':  # 如果发送的消息是文本或者好友推荐
        msg_content = msg['Text']
        print
        msg_content

    # 如果发送的消息是附件、视屏、图片、语音
    elif msg['Type'] == "Attachment" or msg['Type'] == "Video" 
            or msg['Type'] == 'Picture' 
            or msg['Type'] == 'Recording':
        msg_content = msg['FileName']  # 内容就是他们的文件名
        msg['Text'](str(msg_content))  # 下载文件
        # print msg_content
    elif msg['Type'] == 'Card':  # 如果消息是推荐的名片
        msg_content = msg['RecommendInfo']['NickName'] + '的名片'  # 内容就是推荐人的昵称和性别
        if msg['RecommendInfo']['Sex'] == 1:
            msg_content += '性别为男'
        else:
            msg_content += '性别为女'

        print
        msg_content
    elif msg['Type'] == 'Map':  # 如果消息为分享的位置信息
        x, y, location = re.search(
            "<location x="(.*?)" y="(.*?)".*label="(.*?)".*", msg['OriContent']).group(1, 2, 3)
        if location is None:
            msg_content = r"纬度->" + x.__str__() + " 经度->" + y.__str__()  # 内容为详细的地址
        else:
            msg_content = r"" + location
    elif msg['Type'] == 'Sharing':  # 如果消息为分享的音乐或者文章，详细的内容为文章的标题或者是分享的名字
        msg_content = msg['Text']
        msg_share_url = msg['Url']  # 记录分享的url
        print
        msg_share_url
    face_bug = msg_content

    ##将信息存储在字典中，每一个msg_id对应一条信息
    msg_information.update(
        {
            msg_id: {
                "msg_from": msg_from, "msg_time": msg_time, "msg_time_rec": msg_time_rec,
                "msg_type": msg["Type"],
                "msg_content": msg_content, "msg_share_url": msg_share_url
            }
        }
    )


##这个是用于监听是否有消息撤回
@itchat.msg_register(NOTE, isFriendChat=True, isGroupChat=True, isMpChat=True)
def information(msg):
    # 这里如果这里的msg['Content']中包含消息撤回和id，就执行下面的语句
    if '撤回了一条消息' in msg['Content']:
        old_msg_id = re.search("<msgid>(.*?)</msgid>", msg['Content']).group(1)  # 在返回的content查找撤回的消息的id
        old_msg = msg_information.get(old_msg_id)  # 得到消息
        print
        old_msg
        if len(old_msg_id) < 11:  # 如果发送的是表情包
            itchat.send_file(face_bug, toUserName='filehelper')
        else:  # 发送撤回的提示给文件助手
            msg_body = "告诉你一个秘密~" + "
" 
                       + old_msg.get('msg_from') + " 撤回了 " + old_msg.get("msg_type") + " 消息" + "
" 
                       + old_msg.get('msg_time_rec') + "
" 
                       + "撤回了什么 ⇣" + "
" 
                       + r"" + old_msg.get('msg_content')
            # 如果是分享的文件被撤回了，那么就将分享的url加在msg_body中发送给文件助手
            if old_msg['msg_type'] == "Sharing":
                msg_body += "
就是这个链接➣ " + old_msg.get('msg_share_url')

            # 将撤回消息发送到文件助手
            itchat.send_msg(msg_body, toUserName='filehelper')
            # 有文件的话也要将文件发送回去
            if old_msg["msg_type"] == "Picture" 
                    or old_msg["msg_type"] == "Recording" 
                    or old_msg["msg_type"] == "Video" 
                    or old_msg["msg_type"] == "Attachment":
                file = '@fil@%s' % (old_msg['msg_content'])
                itchat.send(msg=file, toUserName='filehelper')
                os.remove(old_msg['msg_content'])
            # 删除字典旧消息
            msg_information.pop(old_msg_id)


itchat.auto_login(hotReload=True)
itchat.run()