python实现微信防撤回神器

本文实例为大家分享了python实现微信防撤回神器的具体代码，供大家参考，具体内容如下

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#!/usr/local/bin/python3
# coding=utf-8

import os
import re
import time
import _thread
import itchat
from itchat.content import *

# 可以撤回的消息格式：文本、语音、视频、图片、位置、名片、分享、附件
# 存储收到的消息
# 格式：{msg_id:{msg_from,msg_to,msg_time,msg_time_rec,msg_tye,msg_content,msg_share_url}}
msg_dict = {}

# 存储消息中文件的临时目录，程序启动时，先清空
rev_tmp_dir = "/Users/chenlong/d1/wechat/rev/"
if not os.path.exists(rev_tmp_dir):
os.mkdir(rev_tmp_dir)
else:
for f in os.listdir(rev_tmp_dir):
 path = os.path.join(rev_tmp_dir, f)
 if os.path.isfile(path):
  os.remove(path)

# 表情有一个问题：消息和撤回提示的msg_id不一致
face_bug = None

# 监听微信消息（只限可撤回的消息类型），存储到本地，并清除超时的消息
# 可撤回的消息类型：TEXT、PICTURE、MAP、CARD、SHARING、RECORDING、ATTACHMENT、VIDEO、FRIENDS、NOTE
@itchat.msg_register([TEXT, PICTURE, MAP, CARD, SHARING, RECORDING, ATTACHMENT, VIDEO, FRIENDS, NOTE],
     isFriendChat=True, isGroupChat=True, isMpChat=True)
def handler_reveive_msg(msg):
global face_bug
msg_time_rev = time.strftime("％Y-％m-％d ％H:％M:％S", time.localtime())
msg_id = msg['MsgId']
msg_time = msg['CreateTime']
msg_share_url = None
group_name = None
# 获取发送人
if 'ActualNickName' in msg:
 sender_info = set_sender_group_chat(msg)
 msg_from = sender_info['msg_from']
 group_name = sender_info['group_name']
else:
 msg_from = (itchat.search_friends(userName=msg['FromUserName']))['RemarkName'] # 优先使用备注
 if msg_from is None:
  msg_from = msg['FromUserName']

# 获取消息内容
if msg['Type'] == 'Text' or msg['Type'] == 'Friends':
 msg_content = msg['Text']
elif msg['Type'] == 'Recording' or msg['Type'] == 'Attachment' \
  or msg['Type'] == 'Video' or msg['Type'] == 'Picture':
 msg_content = r"" + msg['FileName']
 msg['Text'](rev_tmp_dir + msg['FileName'])
elif msg['Type'] == 'Card':
 msg_content = msg['RecommendInfo']['NickName'] + r" 的名片"
elif msg['Type'] == 'Map':
 x, y, location = re.search("<location x=\"(.*?)\" y=\"(.*?)\".*label=\"(.*?)\".*", msg['OriContent']).group(1,
                            2,
                            3)
 if location is None:
  msg_content = r"维度->" + x + " 经度->" + y
 else:
  msg_content = r"" + location
elif msg['Type'] == 'Sharing':
 msg_content = msg['Text']
 msg_share_url = msg['Url']

face_bug = msg_content
# 缓存消息
msg_dict.update({
 msg_id: {
  "msg_from": msg_from,
  "msg_time": msg_time,
  "msg_time_rev": msg_time_rev,
  "msg_type": msg['Type'],
  "msg_content": msg_content,
  "msg_share_url": msg_share_url,
  "group_name": group_name
 }
})

# 遍历本地消息字典，清除2分钟之前的消息，并删除缓存的消息对应的文件
def clear_timeout_msg():
need_del_msg_ids = []
for m in msg_dict:
 msg_time = msg_dict[m]['msg_time']
 if int(time.time()) - msg_time > 120:
  need_del_msg_ids.append(m)

if len(need_del_msg_ids) > 0:
 for i in need_del_msg_ids:
  old_msg = msg_dict.get(i)
  if old_msg['msg_type'] == PICTURE or old_msg['msg_type'] == RECORDING or old_msg['msg_type'] == VIDEO \
    or old_msg['msg_type'] == ATTACHMENT:
   os.remove(rev_tmp_dir + old_msg['msg_content'])
  msg_dict.pop(i)

# 设置发送人，当消息是群消息的时候
def set_sender_group_chat(msg):
msg_from = msg['ActualNickName']
# 查找用户备注名称
friends = itchat.get_friends(update=True)
from_user = msg['ActualUserName']
for f in friends:
 if from_user == f['UserName']:
  msg_from = f['RemarkName'] or f['NickName']
  break

groups = itchat.get_chatrooms(update=True)
for g in groups:
 if msg['FromUserName'] == g['UserName']:
  group_name = g['NickName']
  break

return {'msg_from': msg_from, 'group_name': group_name}

# 监听通知，判断是撤回通知，则将消息发给文件助手
@itchat.msg_register([NOTE], isFriendChat=True, isGroupChat=True, isMpChat=True)
def send_msg_helper(msg):
global face_bug
if re.search(r"\<\!\[CDATA\[.*撤回了一条消息\]\]\>", msg['Content']) is not None:
 old_msg_id = re.search("\<msgid\>(.*?)\<\/msgid\>", msg['Content']).group(1)
 old_msg = msg_dict.get(old_msg_id, {})
 if len(old_msg_id) < 11:
  itchat.send_file(rev_tmp_dir + face_bug, toUserName='filehelper')
  os.remove(rev_tmp_dir + face_bug)
 else:
  msg_body = old_msg.get('msg_from') + "撤回了" + old_msg.get('msg_type') \
     + "消息\n" \
     + old_msg.get('msg_time_rev') + "\n" \
     + old_msg.get('msg_content')
  if old_msg.get('group_name') is not None:
   msg_body = old_msg.get('group_name') + ">" + msg_body
  if old_msg['msg_type'] == "Sharing":
   msg_body += "\n" + old_msg.get('msg_share_url')
  # 将撤回的消息发给文件助手
  itchat.send(msg_body, toUserName='filehelper')
  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' ％ (rev_tmp_dir + old_msg['msg_content'])
   itchat.send(msg=file, toUserName='filehelper')
   os.remove(rev_tmp_dir + old_msg['msg_content'])
  msg_dict.pop(old_msg_id)

if __name__ == '__main__':
itchat.auto_login(hotReload=True, enableCmdQR=2)
itchat.run()
# 子线程清除超时消息
_thread.start_new_thread(clear_timeout_msg)

来源：https://blog.csdn.net/nmyphp/article/details/84582914