Update app.py

app.py

@@ -7,6 +7,7 @@ import io
 import base64
 import torch
 from fpdf import FPDF
+import os
 
 # Preload models
 models = {
@@ -54,26 +55,29 @@ def generate_pdf_report(question, answer, score, score_explanation, score_chart,
     pdf = FPDF()
     pdf.add_page()
 
-    pdf.set_font("Arial", size=12)
+    # Add the Unicode font (e.g., DejaVuSans)
+    pdf.add_font("DejaVu", "", os.path.join("fonts", "DejaVuSans.ttf"), uni=True)
+    pdf.set_font("DejaVu", size=12)
+
     pdf.multi_cell(0, 10, f"Question: {question}")
     pdf.ln()
 
-    pdf.set_font("Arial", size=12)
+    pdf.set_font("DejaVu", size=12)
     pdf.multi_cell(0, 10, f"Answer: {answer}")
     pdf.ln()
 
-    pdf.set_font("Arial", size=12)
+    pdf.set_font("DejaVu", size=12)
     pdf.multi_cell(0, 10, f"Confidence Score: {score}")
     pdf.ln()
 
-    pdf.set_font("Arial", size=12)
+    pdf.set_font("DejaVu", size=12)
     pdf.multi_cell(0, 10, f"Score Explanation: {score_explanation}")
     pdf.ln()
 
-    pdf.set_font("Arial", size=12)
+    pdf.set_font("DejaVu", size=12)
     pdf.multi_cell(0, 10, "Highlighted Context:")
     pdf.ln()
-    pdf.set_font("Arial", size=10)
+    pdf.set_font("DejaVu", size=10)
     pdf.multi_cell(0, 10, highlighted_context)
     pdf.ln()