fix db session

app/command.py

@@ -242,7 +242,3 @@ class Command(metaclass=Singleton):
             args = " ".join(event_str.split()[1:])
             if self.get(cmd):
                 self.execute(cmd, args, event_channel, event_user)
-
-    def __del__(self):
-        if self._db:
-            self._db.close()

app/core/plugin.py

@@ -81,8 +81,6 @@ class PluginManager(metaclass=Singleton):
         """
         # 停止所有插件
         for plugin in self._running_plugins.values():
-            # 关闭数据库
-            plugin.close()
             # 关闭插件
             if hasattr(plugin, "stop_service"):
                 plugin.stop_service()

app/db/__init__.py

@@ -41,7 +41,3 @@ class DbOper:
             self._db = db
         else:
             self._db = ScopedSession()
-
-    def __del__(self):
-        if self._db:
-            self._db.close()

app/plugins/__init__.py

@@ -183,13 +183,3 @@ class _PluginBase(metaclass=ABCMeta):
             channel=channel, mtype=mtype, title=title, text=text,
             image=image, link=link, userid=userid
         ))
-
-    def close(self):
-        """
-        关闭数据库连接
-        """
-        if self.db:
-            self.db.close()
-
-    def __del__(self):
-        self.close()

app/scheduler.py

@@ -106,7 +106,3 @@ class Scheduler(metaclass=Singleton):
         """
         if self._scheduler.running:
             self._scheduler.shutdown()
-
-    def __del__(self):
-        if self._db:
-            self._db.close()