Update app.py

app.py

@@ -24,7 +24,9 @@ def create_pdf_with_library(library_name, outline_items):
     if library_name == "fpdf":
         pdf = FPDF(orientation='L', unit='mm', format='A4')
         pdf.add_page()
-        pdf.set_font("Arial", size=10)
+        # Add Unicode font support
+        pdf.add_font('DejaVu', '', 'DejaVuSans.ttf', uni=True)
+        pdf.set_font('DejaVu', '', 10)
         
         # Left page (1-6)
         pdf.set_xy(10, 10)
@@ -41,7 +43,6 @@ def create_pdf_with_library(library_name, outline_items):
     elif library_name == "pikepdf":
         pdf = pikepdf.Pdf.new()
         page = pikepdf.Page(pdf.make_stream(b""))
-        # Simplified content for pikepdf
         pdf.pages.append(page)
         filename = "ml_outline_pikepdf.pdf"
         pdf.save(filename)
@@ -50,10 +51,8 @@ def create_pdf_with_library(library_name, outline_items):
     elif library_name == "pymupdf":
         doc = fitz.open()
         page = doc.new_page(width=842, height=595)  # A4 landscape
-        # Left column
         page.insert_text((20, 20), "Cutting-Edge ML Areas (1-6)\n\n" + "\n".join(outline_items[:6]),
                         fontsize=10)
-        # Right column
         page.insert_text((422, 20), "Cutting-Edge ML Areas (7-12)\n\n" + "\n".join(outline_items[6:]),
                         fontsize=10)
         filename = "ml_outline_pymupdf.pdf"
@@ -64,13 +63,12 @@ def get_binary_file_downloader_html(bin_file, file_label='File'):
     with open(bin_file, 'rb') as f:
         data = f.read()
     bin_str = base64.b64encode(data).decode()
-    href = f'<a href="data:application/octet-stream;base64,{bin_str}" download="{file_label}">Download {file_label}</a>'
+    href = f'<a href="data:application/octet-stream;base64,{bin_str}" download="{file_label}">Download {file_label aprovada}</a>'
     return href
 
 # Streamlit UI
 st.title("🚀 Cutting-Edge ML Outline Generator")
 
-# Two-column layout
 col1, col2 = st.columns(2)
 
 with col1:
@@ -78,7 +76,6 @@ with col1:
     outline_text = "\n".join(ml_outline)
     st.markdown(outline_text)
     
-    # Download markdown file
     md_file = "ml_outline.md"
     with open(md_file, "w") as f:
         f.write(outline_text)
@@ -90,25 +87,27 @@ with col2:
     
     if st.button("Generate PDF"):
         with st.spinner("Generating PDF..."):
-            pdf_file = create_pdf_with_library(pdf_library, ml_outline)
-            
-            # Auto-save and display PDF
-            with open(pdf_file, "rb") as f:
-                pdf_bytes = f.read()
-            
-            st.download_button(
-                label="Download PDF",
-                data=pdf_bytes,
-                file_name=pdf_file,
-                mime="application/pdf"
-            )
-            
-            # Display PDF
-            base64_pdf = base64.b64encode(pdf_bytes).decode('utf-8')
-            pdf_display = f'<iframe src="data:application/pdf;base64,{base64_pdf}" width="100%" height="400" type="application/pdf"></iframe>'
-            st.markdown(pdf_display, unsafe_allow_html=True)
+            try:
+                pdf_file = create_pdf_with_library(pdf_library, ml_outline)
+                
+                with open(pdf_file, "rb") as f:
+                    pdf_bytes = f.read()
+                
+                st.download_button(
+                    label="Download PDF",
+                    data=pdf_bytes,
+                    file_name=pdf_file,
+                    mime="application/pdf"
+                )
+                
+                base64_pdf = base64.b64encode(pdf_bytes).decode('utf-8')
+                pdf_display = f'<iframe src="data:application/pdf;base64,{base64_pdf}" width="100%" height="400" type="application/pdf"></iframe>'
+                st.markdown(pdf_display, unsafe_allow_html=True)
+            except FileNotFoundError:
+                st.error("Please download the DejaVuSans.ttf font and place it in the working directory for FPDF Unicode support")
+            except Exception as e:
+                st.error(f"Error generating PDF: {str(e)}")
 
-# Add some style
 st.markdown("""
 <style>
     .stButton>button {