feat: avoid disorder by producer-consumer model

channel/wechat/wechaty_channel.py

@@ -5,7 +5,6 @@ wechaty channel
 Python Wechaty - https://github.com/wechaty/python-wechaty
 """
 import base64
-from concurrent.futures import ThreadPoolExecutor
 import os
 import time
 import asyncio
@@ -18,21 +17,18 @@ from bridge.context import *
 from channel.chat_channel import ChatChannel
 from channel.wechat.wechaty_message import WechatyMessage
 from common.log import logger
+from common.singleton import singleton
 from config import conf
 try:
     from voice.audio_convert import any_to_sil
 except Exception as e:
     pass
 
-thread_pool = ThreadPoolExecutor(max_workers=8)
-def thread_pool_callback(worker):
-    worker_exception = worker.exception()
-    if worker_exception:
-        logger.exception("Worker return exception: {}".format(worker_exception))
+@singleton
 class WechatyChannel(ChatChannel):
 
     def __init__(self):
-        pass
+        super().__init__()
 
     def startup(self):
         config = conf()
@@ -41,6 +37,10 @@ class WechatyChannel(ChatChannel):
         asyncio.run(self.main())
 
     async def main(self):
+        
+        loop = asyncio.get_event_loop()
+        #将asyncio的loop传入处理线程
+        self.handler_pool._initializer= lambda: asyncio.set_event_loop(loop)
         self.bot = Wechaty()
         self.bot.on('login', self.on_login)
         self.bot.on('message', self.on_message)
@@ -122,8 +122,4 @@ class WechatyChannel(ChatChannel):
         context = self._compose_context(ctype, cmsg.content, isgroup=isgroup, msg=cmsg)
         if context:
             logger.info('[WX] receiveMsg={}, context={}'.format(cmsg, context))
-            thread_pool.submit(self._handle_loop, context, asyncio.get_event_loop()).add_done_callback(thread_pool_callback)
-
-    def _handle_loop(self,context,loop):
-        asyncio.set_event_loop(loop)
-        self._handle(context)
+            self.produce(context)