feat: 新增代码

video_worker/app/utils/files.py

@@ -0,0 +1,24 @@
+import json
+from pathlib import Path
+from typing import Any, Dict
+
+
+TASK_VIDEO_NAME = "video.mp4"
+TASK_FIRST_FRAME_NAME = "first_frame.jpg"
+TASK_METADATA_NAME = "metadata.json"
+TASK_LOG_NAME = "run.log"
+
+
+def ensure_dir(path: Path) -> Path:
+    path.mkdir(parents=True, exist_ok=True)
+    return path
+
+
+def task_output_dir(base_output_dir: Path, task_id: str) -> Path:
+    return ensure_dir(base_output_dir / task_id)
+
+
+def write_json(path: Path, data: Dict[str, Any]) -> None:
+    path.parent.mkdir(parents=True, exist_ok=True)
+    with path.open("w", encoding="utf-8") as f:
+        json.dump(data, f, ensure_ascii=False, indent=2)