Create summarizer.py

summarizer.py

@@ -0,0 +1,36 @@
+from youtube_transcript_api import YouTubeTranscriptApi
+from transformers import AutoTokenizer, AutoModelForSeq2SeqLM
+
+def Summarizer(link, model):
+  
+  video_id = link.split("=")[1]
+
+  try:
+    transcript = YouTubeTranscriptApi.get_transcript(video_id)
+    FinalTranscript = ' '.join([i['text'] for i in transcript])
+    
+    if model == "Pegasus":
+      checkpoint = "google/pegasus-large"
+    elif model == "mT5":
+      checkpoint = "csebuetnlp/mT5_multilingual_XLSum"
+    elif model == "BART":
+      checkpoint = "sshleifer/distilbart-cnn-12-6"
+      
+    tokenizer = AutoTokenizer.from_pretrained(checkpoint)
+    model = AutoModelForSeq2SeqLM.from_pretrained(checkpoint)
+
+
+    inputs = tokenizer(FinalTranscript, 
+                    max_length=1024, 
+                    truncation=True,
+                    return_tensors="pt")
+    
+    summary_ids = model.generate(inputs["input_ids"])
+    summary = tokenizer.batch_decode(summary_ids, 
+                                  skip_special_tokens=True, 
+                                  clean_up_tokenization_spaces=False)
+    
+
+    return summary[0]
+  except Exception as e:
+    return "TranscriptsDisabled: Transcript is not available \nTry another video"