如何用python识别微信内容
Python 实现微信防撤回功能在微信上突然看到“xxx撤回一条消息”的时候，心里痒不痒？现在就教你如何实现消息防撤回的功能。不限手机型号、手机无需root，只要微信号可以登上网页版就可以了（部分不常用和新申请的账号会登不上网页版）。
环境
centos7
python2.7
itchat
代码
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# coding:utf-8import itchatfrom itchat.content import textfrom itchat.content import *import sysimport timeimport rereload(sys)sys.setdefaultencoding('utf8')import osmsg_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, 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friend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 = "【" \ + old_msg.get('msg_from') + " 撤回了 】\n" \ + old_msg.get("msg_type") + " 消息：" + "\n" \ + old_msg.get('msg_time_rec') + "\n" \ + 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 += "\n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.msg_register([text, picture, friends, card, map, sharing, recording, attachment, video], isgroupchat=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 # groupid = msg['fromusername'] # chatroom = itchat.search_chatrooms(username=groupid) msg_actual_from = msg['actualnickname'] # msg_actual_from = msg['user'] # msg_from = msg_actual_from['self']['nickname'] msg_from = msg_actual_from 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group消息撤回@itchat.msg_register(note, 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 = "【" \ + old_msg.get('msg_from') + " 群消息撤回提醒】\n" \ + " 撤回了 " + old_msg.get("msg_type") + " 消息：" + "\n" \ + old_msg.get('msg_time_rec') + "\n" \ + r"" + old_msg.get(标签：
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