app.py

import streamlit as st
from pytube import YouTube

def download_video(url, save_path):
    try:
        yt = YouTube(url)
        streams = yt.streams.filter(progressive=True, file_extension="mp4")
        highest_res_stream = streams.get_highest_resolution()
        highest_res_stream.download(output_path=save_path)
        st.success("Video downloaded successfully!")
    except Exception as e:
        st.error(f"An error occurred: {e}")

def main():
    st.title("YouTube Video Downloader")
    
    # Input field for entering YouTube URL
    video_url = st.text_input("Enter YouTube URL:")
    
    # Button to trigger the download
    if st.button("Download"):
        if video_url.strip() == "":
            st.warning("Please enter a valid YouTube URL.")
        else:
            # Download the video
            download_video(video_url, "./Downloads")

if __name__ == "__main__":
    main()