Create app.py

app.py

@@ -0,0 +1,52 @@
+from fastapi import FastAPI, HTTPException, Query
+from fastapi.responses import FileResponse
+import os
+from yt_dlp import YoutubeDL
+
+# Define the FastAPI app
+app = FastAPI()
+
+# Directory to save downloaded videos
+DOWNLOAD_DIR = "downloads"
+os.makedirs(DOWNLOAD_DIR, exist_ok=True)
+
+@app.get("/")
+def read_root():
+    return {"message": "Welcome to the Instagram Reel Downloader API"}
+
+@app.get("/download/")
+def download_instagram_reel(
+    reel_url: str = Query(..., description="The URL of the Instagram Reel to download"),
+):
+    """
+    Download an Instagram Reel using yt-dlp.
+    
+    Args:
+        reel_url (str): The URL of the Instagram Reel.
+        
+    Returns:
+        FileResponse: The path to the downloaded file.
+    """
+    if not reel_url:
+        raise HTTPException(status_code=400, detail="The 'reel_url' parameter is required.")
+    
+    # Define yt-dlp options
+    ydl_opts = {
+        "outtmpl": os.path.join(DOWNLOAD_DIR, "%(title)s.%(ext)s"),
+        "quiet": True,  # Suppress yt-dlp's output
+        "merge_output_format": "mp4",
+    }
+    
+    try:
+        with YoutubeDL(ydl_opts) as ydl:
+            info = ydl.extract_info(reel_url, download=True)
+            filename = ydl.prepare_filename(info)
+            if not os.path.exists(filename):
+                raise HTTPException(status_code=500, detail="Failed to download the Reel.")
+            return FileResponse(
+                path=filename,
+                filename=os.path.basename(filename),
+                media_type="video/mp4"
+            )
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"An error occurred: {str(e)}")