From 15f856f951c9ed496e4088dc2ef981007e3c160e Mon Sep 17 00:00:00 2001
From: Soulter <905617992@qq.com>
Date: Sun, 20 Apr 2025 00:27:04 +0800
Subject: [PATCH] =?UTF-8?q?perf(wecom):=20=E4=BC=81=E4=B8=9A=E5=BE=AE?=
 =?UTF-8?q?=E4=BF=A1=E6=B7=BB=E5=8A=A0=E9=95=BF=E6=96=87=E6=9C=AC=E5=88=86?=
 =?UTF-8?q?=E5=89=B2=E5=8A=9F=E8=83=BD=E4=BB=A5=E6=94=AF=E6=8C=81=E5=8F=91?=
 =?UTF-8?q?=E9=80=81=E8=B6=85=E8=BF=87=202048=20=E5=AD=97=E7=AC=A6?=
 =?UTF-8?q?=E7=9A=84=E6=B6=88=E6=81=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

fixes: #564
---
 .../platform/sources/wecom/wecom_event.py     | 24 ++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/astrbot/core/platform/sources/wecom/wecom_event.py b/astrbot/core/platform/sources/wecom/wecom_event.py
index d8ee8b9a3..b42ddeac3 100644
--- a/astrbot/core/platform/sources/wecom/wecom_event.py
+++ b/astrbot/core/platform/sources/wecom/wecom_event.py
@@ -1,4 +1,5 @@
 import uuid
+import asyncio
 from astrbot.api.event import AstrMessageEvent, MessageChain
 from astrbot.api.platform import AstrBotMessage, PlatformMetadata
 from astrbot.api.message_components import Plain, Image, Record
@@ -33,14 +34,31 @@ class WecomPlatformEvent(AstrMessageEvent):
     ):
         pass
 
+    async def split_plain(self, plain: str) -> list[str]:
+        """将长文本分割成多个小文本, 每个小文本长度不超过 2048 字符
+
+        Args:
+            plain (str): 要分割的长文本
+        Returns:
+            list[str]: 分割后的文本列表
+        """
+        if len(plain) <= 2048:
+            return [plain]
+        else:
+            return [plain[i : i + 2048] for i in range(0, len(plain), 2048)]
+
     async def send(self, message: MessageChain):
         message_obj = self.message_obj
 
         for comp in message.chain:
             if isinstance(comp, Plain):
-                self.client.message.send_text(
-                    message_obj.self_id, message_obj.session_id, comp.text
-                )
+                # Split long text messages if needed
+                plain_chunks = await self.split_plain(comp.text)
+                for chunk in plain_chunks:
+                    self.client.message.send_text(
+                        message_obj.self_id, message_obj.session_id, chunk
+                    )
+                    await asyncio.sleep(0.5)  # Avoid sending too fast
             elif isinstance(comp, Image):
                 img_path = await comp.convert_to_file_path()