fix

app/db/systemconfig_oper.py

@@ -78,7 +78,3 @@ class SystemConfigOper(DbOper, metaclass=Singleton):
         if conf:
             conf.delete(self._db, conf.id)
         return True
-
-    def __del__(self):
-        if self._db:
-            self._db.close()

app/db/userconfig_oper.py

@@ -50,10 +50,6 @@ class UserConfigOper(DbOper, metaclass=Singleton):
             return self.__get_config_caches(username=username)
         return self.__get_config_cache(username=username, key=key)
 
-    def __del__(self):
-        if self._db:
-            self._db.close()
-
     def __set_config_cache(self, username: str, key: str, value: Any):
         """
         设置配置缓存

app/helper/thread.py

@@ -1,8 +1,7 @@
 from concurrent.futures import ThreadPoolExecutor
-from typing import Optional
 
-from app.utils.singleton import Singleton
 from app.core.config import settings
+from app.utils.singleton import Singleton
 
 
 class ThreadHelper(metaclass=Singleton):
@@ -28,6 +27,3 @@ class ThreadHelper(metaclass=Singleton):
         :return:
         """
         self.pool.shutdown()
-
-    def __del__(self):
-        self.shutdown()

app/utils/singleton.py

@@ -31,7 +31,7 @@ class SingletonClass(abc.ABCMeta, type):
 
     def __call__(cls, *args, **kwargs):
         if cls not in cls._instances:
-            cls._instances[cls] = super(SingletonClass, cls).__call__(*args, **kwargs)
+            cls._instances[cls] = super().__call__(*args, **kwargs)
         return cls._instances[cls]