Update summarizer.py

summarizer.py

@@ -1,8 +1,10 @@
 from transformers import pipeline
 
-# load once
 summarizer = pipeline("summarization", model="facebook/bart-large-cnn")
 
 def summarize_text(text, max_length=100):
     """Summarize long text into shorter summary."""
-    return summarizer(text, max_length=max_length, min_length=30, do_sample=False)[0]['summary_text']
+    # BART supports about 1024 tokens. Let's truncate text to ~1500 characters
+    truncated = text[:1500]
+    summary = summarizer(truncated, max_length=max_length, min_length=30, do_sample=False)[0]['summary_text']
+    return summary