Update app.py

app.py

@@ -41,16 +41,42 @@ def initialize_agent():
 multimodal_Agent = initialize_agent()
 
 # Function to download YouTube video using yt-dlp
+from yt_dlp import YoutubeDL
+import tempfile
+
 def download_youtube_video(youtube_url):
+    """
+    Downloads a YouTube video using yt-dlp with cookies for authentication.
+    
+    Parameters:
+    - youtube_url: The URL of the YouTube video.
+    
+    Returns:
+    - The path to the downloaded video file.
+    """
+    # Temporary file for the video
     with tempfile.NamedTemporaryFile(delete=False, suffix=".mp4") as temp_video:
-        ydl_opts = {
-            'format': 'bestvideo+bestaudio/best',
-            'outtmpl': temp_video.name,
-            'quiet': True,
-        }
+        temp_video_path = temp_video.name
+
+    # yt-dlp options
+    ydl_opts = {
+        'format': 'bestvideo+bestaudio/best',  # Download best video and audio
+        'outtmpl': temp_video_path,           # Output file path
+        'merge_output_format': 'mp4',         # Merge into MP4 format
+        'cookies': 'cookies.txt',             # Path to the cookies file
+        'quiet': True,                        # Suppress yt-dlp output
+    }
+
+    try:
+        # Download the video
         with YoutubeDL(ydl_opts) as ydl:
             ydl.download([youtube_url])
-        return temp_video.name
+
+        return temp_video_path  # Return the video file path
+
+    except Exception as e:
+        raise RuntimeError(f"An error occurred while downloading the video: {str(e)}")
+
 
 # YouTube video URL input
 youtube_url = st.text_input(