Add application file with transcript

app.py

@@ -1,4 +1,35 @@
 import streamlit as st
+from youtube_transcript_api import YouTubeTranscriptApi
 
-x = st.slider('Select a value')
-st.write(x, 'squared is', x * x)
+def get_video_id(url):
+    from urllib.parse import urlparse, parse_qs
+    query = urlparse(url)
+    if query.hostname == 'youtu.be':
+        return query.path[1:]
+    if query.hostname in ('www.youtube.com', 'youtube.com'):
+        if query.path == '/watch':
+            p = parse_qs(query.query)
+            return p['v'][0]
+        if query.path[:7] == '/embed/':
+            return query.path.split('/')[2]
+        if query.path[:3] == '/v/':
+            return query.path.split('/')[2]
+    return None
+
+def get_transcript(video_id):
+    try:
+        transcript = YouTubeTranscriptApi.get_transcript(video_id)
+        return ' '.join([entry['text'] for entry in transcript])
+    except Exception as e:
+        return str(e)
+
+st.title('YouTube Transcript Reader')
+
+url = st.text_input('Enter YouTube URL')
+if url:
+    video_id = get_video_id(url)
+    if video_id:
+        transcript = get_transcript(video_id)
+        st.write(transcript)
+    else:
+        st.write('Invalid YouTube URL')