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import streamlit as st
import pytube
def get_video_details(url):
"""Fetches video details using pytube, handling potential errors."""
try:
yt = pytube.YouTube(url)
title = yt.title
streams = yt.streams.filter(progressive=True) # Focus on progressive downloads
return title, streams
except pytube.exceptions.RegexMatchError:
st.error("Invalid YouTube URL. Please try again.")
return None, None
except pytube.exceptions.PytubeError as e:
st.error(f"An error occurred: {e}")
return None, None
def download_video(streams, selected_quality):
"""Downloads the video based on user selection, handling potential errors."""
try:
stream = streams.get_by_resolution(selected_quality)
stream.download()
st.success(f"Video downloaded successfully!")
except pytube.exceptions.PytubeError as e:
st.error(f"Download failed: {e}")
def main():
"""Builds the Streamlit app with user interface and download functionality."""
st.title("YouTube Video Downloader")
url = st.text_input("Enter YouTube Video URL:")
if url:
title, streams = get_video_details(url)
if title and streams:
st.subheader(f"Video Title: {title}")
quality_options = [stream.resolution for stream in streams if stream.progressive]
selected_quality = st.selectbox("Select Video Quality:", quality_options)
if st.button("Download Video"):
download_video(streams, selected_quality)
if __name__ == "__main__":
main()
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