Can't you see the withdrawal? Three steps to prevent withdrawal on wechat.

Premise

Yesterday in the group , I saw that my friend sent a ” Indescribable “ Pictures of the , I was just about to open it , Found TA Withdrawn , Damn the withdrawal . See how I deal with you .

preparation

1. development tool
2. A micro signal registered for more than one year

working principle

Anti withdrawal of the project , In fact, the principle is that this wechat is in the same group as the person you are chatting with , It monitors chat records in real time , Message status detected as withdrawn , It's going to come from the records that were saved before the withdrawal , Take out this data , Forward it to , So as to achieve an anti withdrawal effect . Generally speaking, it is to back up your chat records in real time , Then extract the withdrawn one .

matters needing attention

1、 If you want to prevent withdrawal , This wechat must be in the same group as your current wechat .

2、 In short, your robot wechat and Your main wechat has the same group chat , To prevent withdrawal

3、 Single withdrawal is not supported for the time being , Can only be withdrawn against group defense .

Main code

Get the group object you want to detect , If you want to listen to all the objects , You don't need to

Test = bot.groups().search(u'Test')

Copy

The message that will be withdrawn Forward to a specific group , For further wechat viewing , It can be a single friend or a file transfer assistant

recallNotice = ensure_one(bot.groups().search('recallNotice'))

Copy

#  Text  TEXT = 'Text'
#  Location  MAP = 'Map' 1
#  Business card  CARD = 'Card' 2
#  Share  SHARING = 'Sharing' 3
#  picture  PICTURE = 'Picture'  4
#  voice  RECORDING = 'Recording' 5
#  file  ATTACHMENT = 'Attachment' 6
#  video  VIDEO = 'Video' 7

Copy

Registration events , News from all groups

@bot.register(Group)

Copy

Main code

def handleReceiveMsg(msg):
'''
 Listen to the message 
:param msg:
:param chats:
:return:
'''
ra = msg.raw
mss = msg.bot.messages
le = len(mss)

if ra['Status'] == 4:
#  Get message ID
oldmsgid = re.search(re.compile('<msgid>(.*?)</msgid>', re.S),
ra['Content']).group(1)

for i in range(le-1,-1,-1):
 if oldmsgid == str(mss[i].id):
    name = msg.chat.name    //  Get group name 
    username = msg.member.nick_name //  Get the name of the person who withdrew the message 
    if name == None or name == '':
       name = msg.chat.nick_name
       username = msg.member.nick_name

//  According to different message types, recall prompt 
if mss[i].type == 'Text':
   recallNotice.send(' come from 【'+ name + '】 Of 【' + username
+'】 Recalled a message ：'+ mss[i].text)
   bot.file_helper.send(' come from 【'+ name + '】 Of 【' + username
+'】 Recalled a message ：'+ mss[i].text)
break

Copy

Effect display

Pass the test perfectly , See how you can withdraw .