Update app.py

app.py

@@ -0,0 +1,23 @@
+import gradio as gr
+import transformers
+import youtube_transcript_api
+from transformers import pipeline
+from youtube_transcript_api import YouTubeTranscriptApi
+from datasets import Dataset
+
+summarizer = pipeline("summarization",model="facebook/bart-large-cnn")
+
+def greet(link):
+  try:
+      unique_id = link.split("=")[-1]
+      sub = YouTubeTranscriptApi.get_transcript(unique_id)  
+      subtitle = " ".join([w['text'] for w in sub])
+      summary = summarizer(subtitle, max_length=180, min_length=30, do_sample=False)
+      return summary[0]['summary_text']
+  except:
+      return 'Invalid URL'
+
+demo=gr.Interface(fn=greet, inputs="text", outputs="text")
+
+if __name__ == "__main__":
+    demo.launch()