style: normalize python formatting gates

apps/worker/tasks.py

@@ -4,13 +4,22 @@ from datetime import datetime, timezone
 
 from app.config import get_settings
 from app.core.storage import get_minio_service
+
+from packages.adapters.sqlalchemy_impl.asset_repository import SQLAlchemyAssetRepository
+from packages.adapters.sqlalchemy_impl.generated_video_repository import (
+    SQLAlchemyGeneratedVideoRepository,
+)
+from packages.adapters.sqlalchemy_impl.generation_task_repository import (
+    SQLAlchemyGenerationTaskRepository,
+)
+from packages.adapters.sqlalchemy_impl.session import (
+    SessionLocal,
+    build_session_factory,
+)
+from packages.domain import GeneratedVideo, GenerationTaskStatus
+
 from .celery_app import celery_app
 from .video_processing import VideoProcessor
-from packages.adapters.sqlalchemy_impl.session import SessionLocal, build_session_factory
-from packages.adapters.sqlalchemy_impl.generation_task_repository import SQLAlchemyGenerationTaskRepository
-from packages.adapters.sqlalchemy_impl.generated_video_repository import SQLAlchemyGeneratedVideoRepository
-from packages.adapters.sqlalchemy_impl.asset_repository import SQLAlchemyAssetRepository
-from packages.domain import GeneratedVideo, GenerationTaskStatus
 
 settings = get_settings()
 if SessionLocal is None:
@@ -21,7 +30,7 @@ if SessionLocal is None:
 def generate_video(task_id: str) -> dict:
     session = SessionLocal()
     temp_dir = tempfile.mkdtemp()
-    
+
     try:
         task_repo = SQLAlchemyGenerationTaskRepository(session)
         video_repo = SQLAlchemyGeneratedVideoRepository(session)
@@ -44,7 +53,7 @@ def generate_video(task_id: str) -> dict:
         assets = asset_repo.list_by_library(task.asset_library_id)
         if not assets:
             raise RuntimeError(f"No assets found in library {task.asset_library_id}")
-        
+
         task.progress = 20.0
         task_repo.update(task)
         session.commit()
@@ -53,13 +62,13 @@ def generate_video(task_id: str) -> dict:
         video_assets = [a for a in assets if a.mime_type.startswith("video/")][:3]
         if not video_assets:
             raise RuntimeError("No video assets found")
-        
+
         local_paths = []
         for i, asset in enumerate(video_assets):
             local_path = os.path.join(temp_dir, f"input_{i}.mp4")
             storage_service.download_file(asset.storage_key, local_path)
             local_paths.append(local_path)
-            
+
             task.progress = 20.0 + (i + 1) * 10.0
             task_repo.update(task)
             session.commit()
@@ -68,18 +77,18 @@ def generate_video(task_id: str) -> dict:
         processor = VideoProcessor(temp_dir=temp_dir)
         output_filename = f"{task.id}.mp4"
         output_path = os.path.join(temp_dir, output_filename)
-        
+
         task.progress = 50.0
         task_repo.update(task)
         session.commit()
-        
+
         result = processor.concatenate_videos(
             input_paths=local_paths,
             output_path=output_path,
             resolution=(1920, 1080),
             fps=25,
         )
-        
+
         task.progress = 80.0
         task_repo.update(task)
         session.commit()
@@ -87,13 +96,13 @@ def generate_video(task_id: str) -> dict:
         # 6. 上传到 MinIO
         storage_key = f"workspaces/{task.workspace_id}/projects/{task.project_id}/generated/{task.id}/{output_filename}"
         thumbnail_key = f"workspaces/{task.workspace_id}/projects/{task.project_id}/generated/{task.id}/thumbnail.jpg"
-        
+
         storage_service.upload_file(result.output_path, storage_key)
         storage_service.upload_file(result.thumbnail_path, thumbnail_key)
-        
+
         file_url = storage_service.get_url(storage_key)
         thumbnail_url = storage_service.get_url(thumbnail_key)
-        
+
         task.progress = 90.0
         task_repo.update(task)
         session.commit()
@@ -130,7 +139,7 @@ def generate_video(task_id: str) -> dict:
             "duration": result.duration,
             "file_size": result.file_size,
         }
-    
+
     except Exception as error:
         try:
             task_repo = SQLAlchemyGenerationTaskRepository(session)
@@ -143,14 +152,15 @@ def generate_video(task_id: str) -> dict:
                 session.commit()
         except Exception:
             pass
-        
+
         return {"ok": False, "task_id": task_id, "error": str(error)}
-    
+
     finally:
         session.close()
         # 清理临时文件
         try:
             import shutil
+
             shutil.rmtree(temp_dir, ignore_errors=True)
         except:
             pass