fix 插件重载找不到__init__.py的场景及部分细节调整

app/core/plugin.py

@@ -1,11 +1,11 @@
 import concurrent
 import concurrent.futures
 import inspect
-import os
 import threading
 import time
 import traceback
-from typing import List, Any, Dict, Tuple, Optional, Callable
+from pathlib import Path
+from typing import Any, Callable, Dict, List, Optional, Tuple
 
 from watchdog.events import FileSystemEventHandler
 from watchdog.observers import Observer
@@ -13,8 +13,8 @@ from watchdog.observers import Observer
 from app import schemas
 from app.core.config import settings
 from app.core.event import eventmanager
-from app.db.systemconfig_oper import SystemConfigOper
 from app.db.plugindata_oper import PluginDataOper
+from app.db.systemconfig_oper import SystemConfigOper
 from app.helper.module import ModuleHelper
 from app.helper.plugin import PluginHelper
 from app.helper.sites import SitesHelper
@@ -42,21 +42,35 @@ class PluginMonitorHandler(FileSystemEventHandler):
         """
         if event.is_directory:
             return
+        # 使用 pathlib 处理文件路径，跳过非 .py 文件以及 pycache 目录中的文件
+        event_path = Path(event.src_path)
+        if not event_path.name.endswith(".py") or "pycache" in event_path.parts:
+            return
+
         current_time = time.time()
         if current_time - self.__last_modified < self.__timeout:
             return
         self.__last_modified = current_time
         # 读取插件根目录下的__init__.py文件，读取class XXXX(_PluginBase)的类名
         try:
-            # 使用os.path和pathlib处理跨平台的路径问题
-            plugin_dir = event.src_path.split("plugins" + os.sep)[1].split(os.sep)[0]
-            init_file = settings.ROOT_PATH / "app" / "plugins" / plugin_dir / "__init__.py"
+            plugins_root = settings.ROOT_PATH / "app" / "plugins"
+            # 确保修改的文件在 plugins 目录下
+            if plugins_root not in event_path.parents:
+                return
+            # 获取插件目录路径，没有找到__init__.py时，说明不是有效包，跳过插件重载
+            # 插件重载目前没有支持app/plugins/plugin/package/__init__.py的场景，这里也不做支持
+            plugin_dir = event_path.parent
+            init_file = plugin_dir / "__init__.py"
+            if not init_file.exists():
+                logger.debug(f"{plugin_dir} 下没有找到 __init__.py，跳过插件重载")
+                return
+
             with open(init_file, "r", encoding="utf-8") as f:
                 lines = f.readlines()
             pid = None
             for line in lines:
                 if line.startswith("class") and "(_PluginBase)" in line:
-                    pid = line.split("class ")[1].split("(_PluginBase)")[0]
+                    pid = line.split("class ")[1].split("(_PluginBase)")[0].strip()
             if pid:
                 # 防抖处理，通过计时器延迟加载
                 if self.__reload_timer: