new youtube loader

app.py

@@ -7,29 +7,18 @@ import os
 
 api_key = os.getenv('GROQ_API_KEY')
 
-def get_transcript(video_id):
-    def transcript_to_string(transcript):
-        transcript_text = '\n'.join([item['text'] for item in transcript])
-        return transcript_text
-
-    try:
-        transcripts = YouTubeTranscriptApi.list_transcripts(video_id)
-
-        for transcript in transcripts:
-            if transcript.is_translatable:
-                transcript = transcript.fetch()
-                return transcript_to_string(transcript)
-
-        transcript = transcripts.find_manually_created_transcript(['en', 'tr']).fetch()
-        return transcript_to_string(transcript)
-
-    except Exception as e:
-        return "Sorry, the video cannot be transcribed."
+def get_transcript(video_url):
+    from langchain_community.document_loaders import YoutubeLoader
+    loader = YoutubeLoader.from_youtube_url(
+        video_url, add_video_info=False
+    )
+    document = loader.load()
+    transcript = document[0].page_content
+    return transcript
 
 
 def summarize_video(video_url, language):
-    video_id = video_url.split('v=')[-1].split('&')[0]
-    transcript = get_transcript(video_id)
+    transcript = get_transcript(video_url)
 
     model = ChatGroq(
         model="llama-3.1-70b-versatile",