Update app.py

app.py

@@ -20,7 +20,7 @@ load_dotenv()
 app = Flask(__name__)
 app.secret_key = os.getenv('SECRET_KEY', secrets.token_hex(16))
 app.config['MAX_CONTENT_LENGTH'] = 16 * 1024 * 1024  # 16MB max file size
-app.config['UPLOAD_FOLDER'] = "/tmp"
+app.config['UPLOAD_FOLDER'] = tempfile.gettempdir()
 
 # Initialize RAG system (singleton)
 rag_system = None
@@ -128,23 +128,32 @@ def explain_results():
         
         print(f"🧠 Generating explanations for {len(results)} results...")
         
-        # Generate explanations
+        # Initialize RAG system
         rag = get_rag_system()
-        explanations = {}
         
-        for i, result in enumerate(results):
-            print(f"  Explaining {i+1}/{len(results)}: {result.test_name}...")
-            try:
-                explanation = rag.explain_result(result)
-                explanations[result.test_name] = explanation
-            except Exception as e:
-                print(f"    Error: {str(e)}")
-                explanations[result.test_name] = f"Unable to generate explanation: {str(e)}"
+        # Generate explanations with timeout protection
+        from concurrent.futures import TimeoutError
+        import signal
+        
+        try:
+            explanations = rag.explain_all_results(results)
+        except Exception as e:
+            print(f"⚠️ Explanation generation error: {str(e)}")
+            # Provide basic explanations as fallback
+            explanations = {}
+            for result in results:
+                status_msg = {
+                    'normal': f"✅ Your {result.test_name} is within normal range.",
+                    'high': f"⚠️ Your {result.test_name} is above normal range. Consult your doctor.",
+                    'low': f"⚠️ Your {result.test_name} is below normal range. Consult your doctor.",
+                    'unknown': f"Your {result.test_name} result is {result.value} {result.unit}."
+                }
+                explanations[result.test_name] = status_msg.get(result.status, "Result recorded.")
         
         # Store explanations in session
         session_storage[session_id]['explanations'] = explanations
         
-        print("✅ All explanations generated")
+        print(f"✅ Generated {len(explanations)} explanations")
         
         return jsonify({
             'success': True,
@@ -153,7 +162,9 @@ def explain_results():
     
     except Exception as e:
         print(f"❌ Explanation error: {str(e)}")
-        return jsonify({'error': str(e)}), 500
+        import traceback
+        traceback.print_exc()
+        return jsonify({'error': 'Error generating explanations. Please try uploading again.'}), 500
 
 @app.route('/api/ask', methods=['POST'])
 def ask_question():