Update app.py

app.py

@@ -301,6 +301,9 @@ def analyze_prospects_data(file_path):
     """
     Analyze prospects data focusing on Purchase Consideration as target.
     """
+    if file_path is None:
+        return None, None, None, None
+        
     logger.info("Analyzing prospects file: %s", file_path)
     
     try:
@@ -382,7 +385,20 @@ def analyze_prospects_data(file_path):
         
     except Exception as e:
         logger.error(f"Error analyzing data: {e}")
-        raise
+        return None, None, None, None
+
+def load_default_file():
+    """Load default file on startup"""
+    default_file = "example_files/Volkswagen Non Customers.xlsx"
+    if os.path.exists(default_file):
+        return analyze_prospects_data(default_file)
+    return None, None, None, None
+
+def handle_file_upload(file):
+    """Handle file upload and analysis"""
+    if file is None:
+        return None, None, None, None
+    return analyze_prospects_data(file.name)
 
 # Gradio interface with light theme
 css = """
@@ -415,6 +431,15 @@ with gr.Blocks(css=css, js=js, theme=gr.themes.Soft()) as demo:
     gr.Markdown("### Prospects Analysis")
     gr.Markdown("Analysis showing what drives Purchase Consideration among prospects")
     
+    # File upload section
+    with gr.Row():
+        file_upload = gr.File(
+            label="Upload Excel File (optional - default file will be used if none uploaded)",
+            file_types=[".xlsx", ".xls"],
+            type="filepath"
+        )
+        analyze_btn = gr.Button("Analyze", variant="primary")
+    
     # Metrics row
     with gr.Row(equal_height=True):
         with gr.Column(scale=1):
@@ -429,13 +454,23 @@ with gr.Blocks(css=css, js=js, theme=gr.themes.Soft()) as demo:
         with gr.Column():
             driver_analysis_plot = gr.Image(show_label=False)
     
-    # Hidden state for file path
-    prospects_file = gr.State(value="example_files/Volkswagen Non Customers.xlsx")
+    # Event handlers
+    analyze_btn.click(
+        fn=handle_file_upload,
+        inputs=[file_upload],
+        outputs=[r2_output, avg_target_output, factor_performance_plot, driver_analysis_plot]
+    )
+    
+    file_upload.change(
+        fn=handle_file_upload,
+        inputs=[file_upload],
+        outputs=[r2_output, avg_target_output, factor_performance_plot, driver_analysis_plot]
+    )
     
-    # Auto-load on page load
+    # Auto-load default file on page load
     demo.load(
-        fn=analyze_prospects_data,
-        inputs=[prospects_file],
+        fn=load_default_file,
+        inputs=[],
         outputs=[r2_output, avg_target_output, factor_performance_plot, driver_analysis_plot]
     )