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summarize.py

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+import traceback
+import sys
+
+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:
+    print(traceback.format_exc())
+    # or
+    print(sys.exc_info()[2])