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/resend.py

@@ -2,26 +2,22 @@ from __future__ import annotations
 
 import typing
 
-from .. import operator, entities, cmdmgr, errors
+from .. import operator, entities, errors
 
 
 @operator.operator_class(
-    name="resend",
-    help="重发当前会话的最后一条消息",
-    usage='!resend'
+    name='resend', help='重发当前会话的最后一条消息', usage='!resend'
 )
 class ResendOperator(operator.CommandOperator):
-
     async def execute(
-        self,
-        context: entities.ExecuteContext
+        self, context: entities.ExecuteContext
     ) -> typing.AsyncGenerator[entities.CommandReturn, None]:
         # 回滚到最后一条用户message前
         if context.session.using_conversation is None:
-            yield entities.CommandReturn(error=errors.CommandError("当前没有对话"))
+            yield entities.CommandReturn(error=errors.CommandError('当前没有对话'))
         else:
             conv_msg = context.session.using_conversation.messages
-            
+
             # 倒序一直删到最后一条用户message
             while len(conv_msg) > 0 and conv_msg[-1].role != 'user':
                 conv_msg.pop()
@@ -31,4 +27,4 @@ class ResendOperator(operator.CommandOperator):
                 conv_msg.pop()
 
             # 不重发了，提示用户已删除就行了
-            yield entities.CommandReturn(text="已删除最后一次请求记录")
+            yield entities.CommandReturn(text='已删除最后一次请求记录')