app.py

import streamlit as st
import pandas as pd
from pytube import YouTube
import base64
from io import BytesIO


def main():
    path = st.text_input('Enter URL of any youtube video')
    option = st.selectbox(
        'Select type of download',
        ('audio', 'highest_resolution', 'lowest_resolution'))

    matches = ['audio', 'highest_resolution', 'lowest_resolution']
    if st.button("download"):
        video_object = YouTube(path)
        st.write("Title of Video: " + str(video_object.title))
        st.write("Number of Views: " + str(video_object.views))
        if option == 'audio':
            video_object.streams.get_audio_only().download()  # base64.b64encode("if file is too large").decode()
        elif option == 'highest_resolution':
            video_object.streams.get_highest_resolution().download()
        elif option == 'lowest_resolution':
            video_object.streams.get_lowest_resolution().download()
    if st.button("view"):
        st.video(path)

main()