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/core/migration.py

@@ -9,21 +9,21 @@ from . import app
 preregistered_migrations: list[typing.Type[Migration]] = []
 """当前阶段暂不支持扩展"""
 
+
 def migration_class(name: str, number: int):
-    """注册一个迁移
-    """
+    """注册一个迁移"""
+
     def decorator(cls: typing.Type[Migration]) -> typing.Type[Migration]:
         cls.name = name
         cls.number = number
         preregistered_migrations.append(cls)
         return cls
-    
+
     return decorator
 
 
 class Migration(abc.ABC):
-    """一个版本的迁移
-    """
+    """一个版本的迁移"""
 
     name: str
 
@@ -33,15 +33,13 @@ class Migration(abc.ABC):
 
     def __init__(self, ap: app.Application):
         self.ap = ap
-    
+
     @abc.abstractmethod
     async def need_migrate(self) -> bool:
-        """判断当前环境是否需要运行此迁移
-        """
+        """判断当前环境是否需要运行此迁移"""
         pass
 
     @abc.abstractmethod
     async def run(self):
-        """执行迁移
-        """
+        """执行迁移"""
         pass