fix db session

app/command.py

@@ -181,6 +181,8 @@ class Command(metaclass=Singleton):
         """
         self._event.set()
         self._thread.join()
+        if self._db:
+            self._db.close()
 
     def get_commands(self):
         """

app/core/plugin.py

@@ -83,6 +83,9 @@ class PluginManager(metaclass=Singleton):
         """
         # 停止所有插件
         for plugin in self._running_plugins.values():
+            # 关闭数据库
+            if hasattr(plugin, "close"):
+                plugin.close()
             # 关闭插件
             if hasattr(plugin, "stop_service"):
                 plugin.stop_service()

app/db/systemconfig_oper.py

@@ -56,3 +56,7 @@ class SystemConfigOper(DbOper, metaclass=Singleton):
         if not key:
             return self.__SYSTEMCONF
         return self.__SYSTEMCONF.get(key)
+
+    def __del__(self):
+        if self._db:
+            self._db.close()

app/plugins/__init__.py

@@ -184,3 +184,10 @@ 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()

app/scheduler.py

@@ -106,3 +106,5 @@ class Scheduler(metaclass=Singleton):
         """
         if self._scheduler.running:
             self._scheduler.shutdown()
+        if self._db:
+            self._db.close()