Create app.py

app.py

@@ -0,0 +1,38 @@
+from fastapi import FastAPI, Query
+from fastapi.responses import JSONResponse
+import subprocess
+import json
+
+app = FastAPI()
+
+@app.get("/")
+def root():
+    return {"message": "Welcome to yt-dlp API (FastAPI)"}
+
+@app.get("/download")
+def download_info(url: str = Query(..., description="Video URL")):
+    try:
+        result = subprocess.run(
+            ["yt-dlp", "-J", url],
+            capture_output=True, text=True, timeout=20
+        )
+        if result.returncode != 0:
+            return JSONResponse(status_code=500, content={"error": result.stderr})
+
+        data = json.loads(result.stdout)
+        return {
+            "title": data.get("title"),
+            "uploader": data.get("uploader"),
+            "duration": data.get("duration"),
+            "formats": [
+                {
+                    "format_id": f["format_id"],
+                    "ext": f["ext"],
+                    "resolution": f.get("resolution") or f"{f.get('height')}p",
+                    "url": f["url"]
+                }
+                for f in data.get("formats", [])
+            ]
+        }
+    except Exception as e:
+        return JSONResponse(status_code=500, content={"error": str(e)})