Upload pdf_utils.py

backend/pdf_utils.py

@@ -666,7 +666,7 @@ def summarize_pdf(pdf_bytes, length="medium"):
     if summarizer is None:
         try:
             from transformers import pipeline
-            summarizer = pipeline("summarization", model="sshleifer/distilbart-cnn-12-6")
+            summarizer = pipeline("summarization", model="rhaymison/flan-t5-portuguese-small-summarization")
         except ImportError:
             return "<p style='color:red'>Erro no Servidor: As bibliotecas de IA ('transformers', 'torch') não foram instaladas. Atualize o requirements.txt e reinicie o servidor (Hugging Face).</p>"
     
@@ -676,7 +676,7 @@ def summarize_pdf(pdf_bytes, length="medium"):
         text += page.get_text("text") + " "
     doc.close()
     
-    max_chunk = 1500
+    max_chunk = 1200
     chunks = [text[i:i+max_chunk] for i in range(0, len(text), max_chunk)]
     
     max_l = 130