Update app.py

app.py

@@ -113,12 +113,23 @@ def build_table(title, rows):
     return html
 
 
-# Generate PDF report using FPDF
+# Generate PDF report using FPDF with support for UTF-8 characters (like emojis)
 def generate_pdf(report_html):
     pdf = FPDF()
     pdf.set_auto_page_break(auto=True, margin=15)
+    
+    # Add a page to the PDF
     pdf.add_page()
-    pdf.set_font("Arial", size=12)
+
+    # Add a custom font (download a TTF font that supports Unicode characters and emojis)
+    # Here, 'Arial Unicode MS' is used as an example, but you can use any font supporting emojis
+    # Make sure to have the TTF file in your project and pass it as an argument to add_font
+    try:
+        pdf.add_font('ArialUnicode', '', '/path/to/ArialUnicodeMS.ttf', uni=True)
+        pdf.set_font('ArialUnicode', '', 12)
+    except Exception as e:
+        print(f"Error loading font: {e}")
+        pdf.set_font('Arial', '', 12)  # Fallback to a default font if custom font fails
 
     # Add a title
     pdf.cell(200, 10, txt="Face-Based Health Report", ln=True, align="C")