优化IO问题，使用异步方案进行视频下载等操作。

wechat_ipad/client/message.py

@@ -13,6 +13,7 @@ import pysilk
 from loguru import logger
 from pydub import AudioSegment
 from pymediainfo import MediaInfo
+import aiofiles
 
 from utils.video_utils import get_first_frame, get_first_frame_bytes
 from wechat_ipad import UserLoggedOut
@@ -178,8 +179,8 @@ class MessageMixin(WechatAPIClientBase):
         elif isinstance(image, bytes):
             image = base64.b64encode(image).decode()
         elif isinstance(image, os.PathLike):
-            with open(image, 'rb') as f:
-                image = base64.b64encode(f.read()).decode()
+            async with aiofiles.open(image, 'rb') as f:
+                image = base64.b64encode(await f.read()).decode()
         else:
             raise ValueError("Argument 'image' can only be str, bytes, or os.PathLike")
 
@@ -239,8 +240,8 @@ class MessageMixin(WechatAPIClientBase):
             video_path = Path(video)
             if not video_path.exists():
                 raise ValueError(f"Video file does not exist: {video_path}")
-            with open(video_path, "rb") as f:
-                video_bytes = f.read()
+            async with aiofiles.open(video_path, "rb") as f:
+                video_bytes = await f.read()
             file_len = len(video_bytes)
             vid_base64 = base64.b64encode(video_bytes).decode()
             media_info = MediaInfo.parse(video_path)
@@ -266,8 +267,8 @@ class MessageMixin(WechatAPIClientBase):
         elif isinstance(image, bytes):
             image_base64 = base64.b64encode(image).decode()
         elif isinstance(image, os.PathLike):
-            with open(image, "rb") as f:
-                image_base64 = base64.b64encode(f.read()).decode()
+            async with aiofiles.open(image, "rb") as f:
+                image_base64 = base64.b64encode(await f.read()).decode()
         else:
             raise ValueError("image should be str, bytes, or path")
         # self.logging.debug(f"vid_base64:{vid_base64}")
@@ -327,8 +328,8 @@ class MessageMixin(WechatAPIClientBase):
         elif isinstance(voice, bytes):
             voice_byte = voice
         elif isinstance(voice, os.PathLike):
-            with open(voice, "rb") as f:
-                voice_byte = f.read()
+            async with aiofiles.open(voice, "rb") as f:
+                voice_byte = await f.read()
         else:
             raise ValueError("voice should be str, bytes, or path")
         voice_type = 0

wechat_ipad/client/tools.py

@@ -1,6 +1,7 @@
 import base64
 import io
 import os
+import aiofiles
 
 import aiohttp
 import pysilk
@@ -234,7 +235,7 @@ class ToolMixin(WechatAPIClientBase):
                 return False
 
     @staticmethod
-    def base64_to_file(base64_str: str, file_name: str, file_path: str) -> bool:
+    async def base64_to_file(base64_str: str, file_name: str, file_path: str) -> bool:
         """将base64字符串转换为文件并保存。
 
         Args:
@@ -256,8 +257,8 @@ class ToolMixin(WechatAPIClientBase):
                 base64_str = base64_str.split(',')[1]
 
             # 解码 base64 并写入文件
-            with open(full_path, 'wb') as f:
-                f.write(base64.b64decode(base64_str))
+            async with aiofiles.open(full_path, 'wb') as f:
+                await f.write(base64.b64decode(base64_str))
 
             return True
 
@@ -265,7 +266,7 @@ class ToolMixin(WechatAPIClientBase):
             return False
 
     @staticmethod
-    def file_to_base64(file_path: str) -> str:
+    async def file_to_base64(file_path: str) -> str:
         """将文件转换为base64字符串。
 
         Args:
@@ -274,8 +275,8 @@ class ToolMixin(WechatAPIClientBase):
         Returns:
             str: base64编码的字符串
         """
-        with open(file_path, 'rb') as f:
-            return base64.b64encode(f.read()).decode()
+        async with aiofiles.open(file_path, 'rb') as f:
+            return base64.b64encode(await f.read()).decode()
 
     @staticmethod
     def base64_to_byte(base64_str: str) -> bytes: