Upload download_api.py

download_api.py

@@ -0,0 +1,20 @@
+from fastapi import FastAPI, HTTPException
+from fastapi.responses import FileResponse
+from pathlib import Path
+import os
+
+app = FastAPI()
+
+ANNOTATIONS_DIR = Path("annotations").resolve()
+
+@app.get("/download/{filename}")
+def download_file(filename: str):
+    file_path = ANNOTATIONS_DIR / filename
+    if not file_path.exists() or not file_path.is_file():
+        raise HTTPException(status_code=404, detail="File not found")
+    return FileResponse(str(file_path), filename=filename)
+
+@app.get("/")
+def root():
+    files = [f.name for f in ANNOTATIONS_DIR.glob("*.json")]
+    return {"message": "Use /download/{filename} to download a file.", "available_files": files}