fix(wechatcomapp): split long text messages into multiple parts

channel/wechatcom/wechatcomapp_channel.py

@@ -2,6 +2,7 @@
 import io
 import os
 import textwrap
+import time
 
 import requests
 import web
@@ -17,10 +18,12 @@ from channel.wechatcom.wechatcomapp_client import WechatComAppClient
 from channel.wechatcom.wechatcomapp_message import WechatComAppMessage
 from common.log import logger
 from common.singleton import singleton
-from common.utils import compress_imgfile, fsize
+from common.utils import compress_imgfile, fsize, split_string_by_utf8_length
 from config import conf
 from voice.audio_convert import any_to_amr
 
+MAX_UTF8_LEN = 2048
+
 
 @singleton
 class WechatComAppChannel(ChatChannel):
@@ -50,8 +53,15 @@ class WechatComAppChannel(ChatChannel):
     def send(self, reply: Reply, context: Context):
         receiver = context["receiver"]
         if reply.type in [ReplyType.TEXT, ReplyType.ERROR, ReplyType.INFO]:
-            self.client.message.send_text(self.agent_id, receiver, reply.content)
-            logger.info("[wechatcom] sendMsg={}, receiver={}".format(reply, receiver))
+            reply_text = reply.content
+            texts = split_string_by_utf8_length(reply_text, MAX_UTF8_LEN)
+            if len(texts) > 1:
+                logger.info("[wechatcom] text too long, split into {} parts".format(len(texts)))
+            for i, text in enumerate(texts):
+                self.client.message.send_text(self.agent_id, receiver, text)
+                if i != len(texts) - 1:
+                    time.sleep(0.5)  # 休眠0.5秒，防止发送过快乱序
+            logger.info("[wechatcom] Do send text to {}: {}".format(receiver, reply_text))
         elif reply.type == ReplyType.VOICE:
             try:
                 file_path = reply.content