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/boot.py

@@ -7,29 +7,30 @@ import os
 from . import app
 from ..audit import identifier
 from . import stage
-from ..utils import constants
+from ..utils import constants, importutil
 
 # 引入启动阶段实现以便注册
-from .stages import load_config, setup_logger, build_app, migrate, show_notes, genkeys
+from . import stages
+
+importutil.import_modules_in_pkg(stages)
 
 
 stage_order = [
-    "LoadConfigStage",
-    "MigrationStage",
-    "GenKeysStage",
-    "SetupLoggerStage",
-    "BuildAppStage",
-    "ShowNotesStage"
+    'LoadConfigStage',
+    'MigrationStage',
+    'GenKeysStage',
+    'SetupLoggerStage',
+    'BuildAppStage',
+    'ShowNotesStage',
 ]
 
 
 async def make_app(loop: asyncio.AbstractEventLoop) -> app.Application:
-
     # 生成标识符
     identifier.init()
 
     # 确定是否为调试模式
-    if "DEBUG" in os.environ and os.environ["DEBUG"] in ["true", "1"]:
+    if 'DEBUG' in os.environ and os.environ['DEBUG'] in ['true', '1']:
         constants.debug_mode = True
 
     ap = app.Application()
@@ -50,21 +51,17 @@ async def make_app(loop: asyncio.AbstractEventLoop) -> app.Application:
 
 async def main(loop: asyncio.AbstractEventLoop):
     try:
-
         # 挂系统信号处理
         import signal
 
-        ap: app.Application
-
         def signal_handler(sig, frame):
-            print("[Signal] 程序退出.")
+            print('[Signal] 程序退出.')
             # ap.shutdown()
             os._exit(0)
 
         signal.signal(signal.SIGINT, signal_handler)
 
         app_inst = await make_app(loop)
-        ap = app_inst
         await app_inst.run()
-    except Exception as e:
+    except Exception:
         traceback.print_exc()