style: introduce ruff as linter and formatter (#1356)

* style: remove necessary imports

* style: fix F841

* style: fix F401

* style: fix F811

* style: fix E402

* style: fix E721

* style: fix E722

* style: fix E722

* style: fix F541

* style: ruff format

* style: all passed

* style: add ruff in deps

* style: more ignores in ruff.toml

* style: add pre-commit

pkg/command/operators/update.py

@@ -3,28 +3,22 @@ from __future__ import annotations
 import typing
 import traceback
 
-from .. import operator, entities, cmdmgr, errors
+from .. import operator, entities, errors
 
 
-@operator.operator_class(
-    name="update",
-    help="更新程序",
-    usage='!update',
-    privilege=2
-)
+@operator.operator_class(name='update', help='更新程序', usage='!update', privilege=2)
 class UpdateCommand(operator.CommandOperator):
-
     async def execute(
-        self,
-        context: entities.ExecuteContext
+        self, context: entities.ExecuteContext
     ) -> typing.AsyncGenerator[entities.CommandReturn, None]:
-       
         try:
-            yield entities.CommandReturn(text="正在进行更新...")
+            yield entities.CommandReturn(text='正在进行更新...')
             if await self.ap.ver_mgr.update_all():
-                yield entities.CommandReturn(text="更新完成，请重启程序以应用更新")
+                yield entities.CommandReturn(text='更新完成，请重启程序以应用更新')
             else:
-                yield entities.CommandReturn(text="当前已是最新版本")
+                yield entities.CommandReturn(text='当前已是最新版本')
         except Exception as e:
             traceback.print_exc()
-            yield entities.CommandReturn(error=errors.CommandError("更新失败: "+str(e)))
+            yield entities.CommandReturn(
+                error=errors.CommandError('更新失败: ' + str(e))
+            )