Update app.py

app.py

@@ -8,6 +8,10 @@ import pandas as pd
 import plotly.express as px
 import tempfile
 import time
+import logging
+
+# Setup logging
+logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
 
 # Title and Application Introduction
 st.title("Patent Strategy and Innovation Consultant")
@@ -152,8 +156,9 @@ def generate_pdf_report(result, charts=None, table_data=None, metadata=None):
                 try:
                     pdf.add_page()
                     pdf.image(chart_path, x=10, y=20, w=180)
+                    logging.info(f"Successfully included chart: {chart_path}")
                 except Exception as e:
-                    st.error(f"Failed to include chart in PDF: {e}")
+                    logging.error(f"Failed to include chart in PDF: {chart_path}. Error: {e}")
 
         if table_data:
             pdf.add_page()
@@ -186,6 +191,9 @@ def create_visualizations(analyst_output):
     if validated_data:
         data = pd.DataFrame(validated_data)
         try:
+            if data.empty:
+                raise ValueError("Data for visualizations is empty.")
+
             bar_chart = px.bar(data, x="Category", y="Values", title="Patent Trends by Category")
             st.plotly_chart(bar_chart)
             with tempfile.NamedTemporaryFile(delete=False, suffix=".png") as temp_chart:
@@ -211,6 +219,7 @@ def create_visualizations(analyst_output):
                 chart_paths.append(temp_chart.name)
 
         except Exception as e:
+            logging.error(f"Error generating visualization: {e}")
             st.error(f"Error generating visualization: {e}")
     return chart_paths
 
@@ -261,4 +270,5 @@ if st.button("Generate Patent Insights"):
                 st.download_button("Download Report", data=report_file, file_name="Patent_Strategy_Report.pdf")
 
         except Exception as e:
-            st.error(f"An error occurred during execution: {e}")
+            logging.error(f"An error occurred during execution: {e}")
+            st.error(f"An error occurred during execution: {e}")