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/pipeline/stage.py

@@ -11,17 +11,15 @@ preregistered_stages: dict[str, PipelineStage] = {}
 
 
 def stage_class(name: str):
-
     def decorator(cls):
         preregistered_stages[name] = cls
         return cls
-    
+
     return decorator
 
 
 class PipelineStage(metaclass=abc.ABCMeta):
-    """流水线阶段
-    """
+    """流水线阶段"""
 
     ap: app.Application
 
@@ -29,8 +27,7 @@ class PipelineStage(metaclass=abc.ABCMeta):
         self.ap = ap
 
     async def initialize(self, pipeline_config: dict):
-        """初始化
-        """
+        """初始化"""
         pass
 
     @abc.abstractmethod
@@ -42,6 +39,5 @@ class PipelineStage(metaclass=abc.ABCMeta):
         entities.StageProcessResult,
         typing.AsyncGenerator[entities.StageProcessResult, None],
     ]:
-        """处理
-        """
+        """处理"""
         raise NotImplementedError