webchat / channel /wechat /wechat_channel.py
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# encoding:utf-8
"""
wechat channel
"""
import io
import json
import os
import threading
import time
import requests
from bridge.context import *
from bridge.reply import *
from channel.chat_channel import ChatChannel
from channel.wechat.wechat_message import *
from common.expired_dict import ExpiredDict
from common.log import logger
from common.singleton import singleton
from common.time_check import time_checker
from config import conf, get_appdata_dir
from lib import itchat
from lib.itchat.content import *
@itchat.msg_register([TEXT, VOICE, PICTURE, NOTE, ATTACHMENT, SHARING])
def handler_single_msg(msg):
try:
cmsg = WechatMessage(msg, False)
except NotImplementedError as e:
logger.debug("[WX]single message {} skipped: {}".format(msg["MsgId"], e))
return None
WechatChannel().handle_single(cmsg)
return None
@itchat.msg_register([TEXT, VOICE, PICTURE, NOTE, ATTACHMENT, SHARING], isGroupChat=True)
def handler_group_msg(msg):
try:
cmsg = WechatMessage(msg, True)
except NotImplementedError as e:
logger.debug("[WX]group message {} skipped: {}".format(msg["MsgId"], e))
return None
WechatChannel().handle_group(cmsg)
return None
def _check(func):
def wrapper(self, cmsg: ChatMessage):
msgId = cmsg.msg_id
if msgId in self.receivedMsgs:
logger.info("Wechat message {} already received, ignore".format(msgId))
return
self.receivedMsgs[msgId] = True
create_time = cmsg.create_time # 消息时间戳
if conf().get("hot_reload") == True and int(create_time) < int(time.time()) - 60: # 跳过1分钟前的历史消息
logger.debug("[WX]history message {} skipped".format(msgId))
return
if cmsg.my_msg and not cmsg.is_group:
logger.debug("[WX]my message {} skipped".format(msgId))
return
return func(self, cmsg)
return wrapper
# 可用的二维码生成接口
# https://api.qrserver.com/v1/create-qr-code/?size=400×400&data=https://www.abc.com
# https://api.isoyu.com/qr/?m=1&e=L&p=20&url=https://www.abc.com
def qrCallback(uuid, status, qrcode):
# logger.debug("qrCallback: {} {}".format(uuid,status))
if status == "0":
try:
from PIL import Image
img = Image.open(io.BytesIO(qrcode))
_thread = threading.Thread(target=img.show, args=("QRCode",))
_thread.setDaemon(True)
_thread.start()
except Exception as e:
pass
import qrcode
url = f"https://login.weixin.qq.com/l/{uuid}"
qr_api1 = "https://api.isoyu.com/qr/?m=1&e=L&p=20&url={}".format(url)
qr_api2 = "https://api.qrserver.com/v1/create-qr-code/?size=400×400&data={}".format(url)
qr_api3 = "https://api.pwmqr.com/qrcode/create/?url={}".format(url)
qr_api4 = "https://my.tv.sohu.com/user/a/wvideo/getQRCode.do?text={}".format(url)
print("You can also scan QRCode in any website below:")
print(qr_api3)
print(qr_api4)
print(qr_api2)
print(qr_api1)
qr = qrcode.QRCode(border=1)
qr.add_data(url)
qr.make(fit=True)
qr.print_ascii(invert=True)
@singleton
class WechatChannel(ChatChannel):
NOT_SUPPORT_REPLYTYPE = []
def __init__(self):
super().__init__()
self.receivedMsgs = ExpiredDict(60 * 60)
def startup(self):
itchat.instance.receivingRetryCount = 600 # 修改断线超时时间
# login by scan QRCode
hotReload = conf().get("hot_reload", False)
status_path = os.path.join(get_appdata_dir(), "itchat.pkl")
itchat.auto_login(
enableCmdQR=2,
hotReload=hotReload,
statusStorageDir=status_path,
qrCallback=qrCallback,
)
self.user_id = itchat.instance.storageClass.userName
self.name = itchat.instance.storageClass.nickName
logger.info("Wechat login success, user_id: {}, nickname: {}".format(self.user_id, self.name))
# start message listener
itchat.run()
# handle_* 系列函数处理收到的消息后构造Context,然后传入produce函数中处理Context和发送回复
# Context包含了消息的所有信息,包括以下属性
# type 消息类型, 包括TEXT、VOICE、IMAGE_CREATE
# content 消息内容,如果是TEXT类型,content就是文本内容,如果是VOICE类型,content就是语音文件名,如果是IMAGE_CREATE类型,content就是图片生成命令
# kwargs 附加参数字典,包含以下的key:
# session_id: 会话id
# isgroup: 是否是群聊
# receiver: 需要回复的对象
# msg: ChatMessage消息对象
# origin_ctype: 原始消息类型,语音转文字后,私聊时如果匹配前缀失败,会根据初始消息是否是语音来放宽触发规则
# desire_rtype: 希望回复类型,默认是文本回复,设置为ReplyType.VOICE是语音回复
@time_checker
@_check
def handle_single(self, cmsg: ChatMessage):
# filter system message
if cmsg.other_user_id in ["weixin"]:
return
if cmsg.ctype == ContextType.VOICE:
if conf().get("speech_recognition") != True:
return
logger.debug("[WX]receive voice msg: {}".format(cmsg.content))
elif cmsg.ctype == ContextType.IMAGE:
logger.debug("[WX]receive image msg: {}".format(cmsg.content))
elif cmsg.ctype == ContextType.PATPAT:
logger.debug("[WX]receive patpat msg: {}".format(cmsg.content))
elif cmsg.ctype == ContextType.TEXT:
logger.debug("[WX]receive text msg: {}, cmsg={}".format(json.dumps(cmsg._rawmsg, ensure_ascii=False), cmsg))
else:
logger.debug("[WX]receive msg: {}, cmsg={}".format(cmsg.content, cmsg))
context = self._compose_context(cmsg.ctype, cmsg.content, isgroup=False, msg=cmsg)
if context:
self.produce(context)
@time_checker
@_check
def handle_group(self, cmsg: ChatMessage):
if cmsg.ctype == ContextType.VOICE:
if conf().get("group_speech_recognition") != True:
return
logger.debug("[WX]receive voice for group msg: {}".format(cmsg.content))
elif cmsg.ctype == ContextType.IMAGE:
logger.debug("[WX]receive image for group msg: {}".format(cmsg.content))
elif cmsg.ctype in [ContextType.JOIN_GROUP, ContextType.PATPAT, ContextType.ACCEPT_FRIEND, ContextType.EXIT_GROUP]:
logger.debug("[WX]receive note msg: {}".format(cmsg.content))
elif cmsg.ctype == ContextType.TEXT:
# logger.debug("[WX]receive group msg: {}, cmsg={}".format(json.dumps(cmsg._rawmsg, ensure_ascii=False), cmsg))
pass
elif cmsg.ctype == ContextType.FILE:
logger.debug(f"[WX]receive attachment msg, file_name={cmsg.content}")
else:
logger.debug("[WX]receive group msg: {}".format(cmsg.content))
context = self._compose_context(cmsg.ctype, cmsg.content, isgroup=True, msg=cmsg)
if context:
self.produce(context)
# 统一的发送函数,每个Channel自行实现,根据reply的type字段发送不同类型的消息
def send(self, reply: Reply, context: Context):
receiver = context["receiver"]
if reply.type == ReplyType.TEXT:
itchat.send(reply.content, toUserName=receiver)
logger.info("[WX] sendMsg={}, receiver={}".format(reply, receiver))
elif reply.type == ReplyType.ERROR or reply.type == ReplyType.INFO:
itchat.send(reply.content, toUserName=receiver)
logger.info("[WX] sendMsg={}, receiver={}".format(reply, receiver))
elif reply.type == ReplyType.VOICE:
itchat.send_file(reply.content, toUserName=receiver)
logger.info("[WX] sendFile={}, receiver={}".format(reply.content, receiver))
elif reply.type == ReplyType.IMAGE_URL: # 从网络下载图片
img_url = reply.content
logger.debug(f"[WX] start download image, img_url={img_url}")
pic_res = requests.get(img_url, stream=True)
image_storage = io.BytesIO()
size = 0
for block in pic_res.iter_content(1024):
size += len(block)
image_storage.write(block)
logger.info(f"[WX] download image success, size={size}, img_url={img_url}")
image_storage.seek(0)
itchat.send_image(image_storage, toUserName=receiver)
logger.info("[WX] sendImage url={}, receiver={}".format(img_url, receiver))
elif reply.type == ReplyType.IMAGE: # 从文件读取图片
image_storage = reply.content
image_storage.seek(0)
itchat.send_image(image_storage, toUserName=receiver)
logger.info("[WX] sendImage, receiver={}".format(receiver))
elif reply.type == ReplyType.FILE: # 新增文件回复类型
file_storage = reply.content
itchat.send_file(file_storage, toUserName=receiver)
logger.info("[WX] sendFile, receiver={}".format(receiver))
elif reply.type == ReplyType.VIDEO: # 新增视频回复类型
video_storage = reply.content
itchat.send_video(video_storage, toUserName=receiver)
logger.info("[WX] sendFile, receiver={}".format(receiver))
elif reply.type == ReplyType.VIDEO_URL: # 新增视频URL回复类型
video_url = reply.content
logger.debug(f"[WX] start download video, video_url={video_url}")
video_res = requests.get(video_url, stream=True)
video_storage = io.BytesIO()
size = 0
for block in video_res.iter_content(1024):
size += len(block)
video_storage.write(block)
logger.info(f"[WX] download video success, size={size}, video_url={video_url}")
video_storage.seek(0)
itchat.send_video(video_storage, toUserName=receiver)
logger.info("[WX] sendVideo url={}, receiver={}".format(video_url, receiver))