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.gitattributes

@@ -33,3 +33,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+__pycache__/app.cpython-311.pyc filter=lfs diff=lfs merge=lfs -text

__pycache__/app.cpython-311.pyc

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9d2e94e8d6585623c209a4414c0b97fb78ab638af6a3af7c935c5be12a0e5b94
+size 116322

app.py

@@ -1415,14 +1415,16 @@ An error occurred while generating the executive report:
 *Please contact support for assistance*
 """
 
-def safe_export_results(result: Dict[str, Any]) -> Optional[bytes]:
+def safe_export_results(result: Dict[str, Any]) -> Optional[str]:
     """Safe export with comprehensive error handling"""
     try:
         logger.info("Generating export package")
         
-        zip_buffer = io.BytesIO()
+        # Create temporary file for export
+        import tempfile
+        export_file = tempfile.NamedTemporaryFile(mode='wb', suffix='.zip', delete=False)
         
-        with zipfile.ZipFile(zip_buffer, 'w', zipfile.ZIP_DEFLATED) as zip_file:
+        with zipfile.ZipFile(export_file, 'w', zipfile.ZIP_DEFLATED) as zip_file:
             
             # Core results (with safe JSON conversion)
             try:
@@ -1547,9 +1549,10 @@ Export completed: {datetime.now().isoformat()}
             except Exception as e:
                 logger.warning(f"Failed to add audit log: {e}")
         
-        zip_buffer.seek(0)
+        
+        export_file.close()
         logger.info("Export package generated successfully")
-        return zip_buffer.getvalue()
+        return export_file.name
         
     except Exception as e:
         logger.error(f"Export generation failed: {e}")
@@ -1557,13 +1560,13 @@ Export completed: {datetime.now().isoformat()}
         
         # Create minimal error export
         try:
-            error_zip = io.BytesIO()
-            with zipfile.ZipFile(error_zip, 'w') as zf:
-                zf.writestr("export_error.txt", f"Export failed: {str(e)}\n\nTimestamp: {datetime.now().isoformat()}")
-                if result:
-                    zf.writestr("raw_result.txt", str(result))
-            error_zip.seek(0)
-            return error_zip.getvalue()
+            import tempfile
+            error_file = tempfile.NamedTemporaryFile(mode='w', suffix='.txt', delete=False)
+            error_file.write(f"Export failed: {str(e)}\n\nTimestamp: {datetime.now().isoformat()}")
+            if result:
+                error_file.write(f"\n\nRaw result: {str(result)}")
+            error_file.close()
+            return error_file.name
         except Exception:
             return None
 
@@ -1701,13 +1704,8 @@ def run_enhanced_audit(real_file, synthetic_file, confidence, subsample_size,
         except Exception as e:
             logger.warning(f"Export generation failed: {e}")
         
-        # Success message
+        # Log success
         risk_level = result.get("privacy_assessment", {}).get("risk_level", "UNKNOWN")
-        epsilon = result.get("privacy_assessment", {}).get("primary_epsilon", 0)
-        duration = result.get("audit_metadata", {}).get("duration_seconds", 0)
-        
-        success_msg = f"SUCCESS: Audit completed!\nRisk Level: {risk_level}\nε-DP Bound: {epsilon:.6f}\nDuration: {duration:.2f}s"
-        
         logger.info(f"Audit completed - ID: {result.get('audit_id')}, Risk: {risk_level}")
         
         return result, dist_plot, eps_plot, report, export_data
@@ -2036,7 +2034,7 @@ Run a privacy audit to generate a comprehensive executive report including:
                     result[1],  # distance_plot
                     result[2],  # epsilon_plot
                     result[3],  # audit_report
-                    gr.update(value=result[4], visible=export_visible) if result[4] else gr.update(visible=False)
+                    gr.update(value=result[4], visible=export_visible) if export_visible else gr.update(visible=False)
                 )
                 
             except Exception as e:

logs/privacy_audit_detailed.log

@@ -11,3 +11,9 @@
 2025-09-07 02:22:32,173 - httpx - INFO - _send_single_request:1038 - HTTP Request: GET http://localhost:7860/startup-events "HTTP/1.1 200 OK"
 2025-09-07 02:22:32,185 - httpx - INFO - _send_single_request:1038 - HTTP Request: HEAD http://localhost:7860/ "HTTP/1.1 200 OK"
 2025-09-07 02:22:32,459 - httpx - INFO - _send_single_request:1038 - HTTP Request: GET https://api.gradio.app/v2/tunnel-request "HTTP/1.1 200 OK"
+2025-09-07 02:35:12,323 - app - INFO - <module>:72 - ============================================================
+2025-09-07 02:35:12,323 - app - INFO - <module>:73 - Application Startup at 2025-09-07 02:35:12
+2025-09-07 02:35:12,323 - app - INFO - <module>:74 - ============================================================
+2025-09-07 02:35:12,324 - app - INFO - __init__:285 - Initialized Privacy Auditor - Session: 7f2e35dc
+2025-09-07 02:35:12,324 - app - INFO - __init__:286 - Configuration: {'confidence_level': 0.95, 'subsample_size': None, 'categorical_encoding': 'onehot', 'numerical_scaling': 'standard', 'distance_metric': 'euclidean', 'enable_preprocessing_report': True, 'max_file_size_mb': 500, 'timeout_seconds': 300, 'enable_data_validation': True, 'chunk_size': 10000, 'max_categories_onehot': 50}
+2025-09-07 02:35:12,324 - app - INFO - <module>:1014 - Privacy auditor initialized successfully