Visum Thinker MCP Server

# SCRIPT 2: Test persistenza istanza - Analisi di rete # Questo script deve accedere all'istanza creata da Script 1 import sys import os import time import json print("=== SCRIPT 2: TEST PERSISTENZA - ANALISI RETE ===") # Setup VisumPy paths visum_path = r"H:\Program Files\PTV Vision\PTV Visum 2025\Exe" python_path = os.path.join(visum_path, "Python") if visum_path not in sys.path: sys.path.insert(0, visum_path) if python_path not in sys.path: sys.path.insert(0, python_path) # Stesso DirectVisumManager - dovrebbe recuperare istanza esistente class DirectVisumManager: _instance = None def __new__(cls): if cls._instance is None: cls._instance = super().__new__(cls) cls._instance.visum_instance = None cls._instance.project_loaded = None cls._instance.initialization_time = None cls._instance.creation_timestamp = time.time() return cls._instance def initialize_visum(self): """Initialize VisumPy instance once""" if self.visum_instance is None: try: init_start = time.time() import VisumPy.helpers as vh print("🆕 Creating NEW VisumPy instance (Script 1 instance not found)...") self.visum_instance = vh.CreateVisum(250) # Load default project project_path = r"H:\go\italferr2025\Campoleone\100625_Versione_base_v0.3_sub_ok_priv.ver" print(f"📂 Loading project: {os.path.basename(project_path)}") self.visum_instance.LoadVersion(project_path) self.project_loaded = project_path self.initialization_time = time.time() - init_start nodes = self.visum_instance.Net.Nodes.Count print(f"✅ NEW instance initialized in {self.initialization_time:.3f}s: {nodes:,} nodes") return True except Exception as e: print(f"❌ Initialization failed: {e}") import traceback traceback.print_exc() return False else: print("♻️ REUSING existing VisumPy instance from memory!") return True def execute_network_analysis(self): """Execute detailed network analysis""" if not self.initialize_visum(): return {"error": "Failed to initialize Visum"} try: analysis_start = time.time() print("🔍 Executing network analysis...") # Basic network info nodes = self.visum_instance.Net.Nodes.Count links = self.visum_instance.Net.Links.Count zones = self.visum_instance.Net.Zones.Count # Try to get some detailed info network_details = { "basic_counts": { "nodes": nodes, "links": links, "zones": zones }, "analysis_timestamp": time.time(), "script": "script2_network_analysis" } # Try to get sample node data try: node_container = self.visum_instance.Net.Nodes if node_container.Count > 0: sample_nodes = node_container.GetMultiAttValues('No')[:5] network_details["sample_nodes"] = sample_nodes print(f"📊 Sample nodes: {sample_nodes}") except Exception as e: network_details["sample_nodes_error"] = str(e) print(f"⚠️ Could not get sample nodes: {e}") # Try to get zone info try: zone_container = self.visum_instance.Net.Zones if zone_container.Count > 0: sample_zones = zone_container.GetMultiAttValues('No')[:3] network_details["sample_zones"] = sample_zones print(f"🏠 Sample zones: {sample_zones}") except Exception as e: network_details["sample_zones_error"] = str(e) print(f"⚠️ Could not get sample zones: {e}") analysis_time = time.time() - analysis_start network_details["analysis_time_ms"] = round(analysis_time * 1000, 3) print(f"✅ Network analysis completed in {analysis_time*1000:.3f}ms") print(f"📊 Results: {nodes:,} nodes, {links:,} links, {zones:,} zones") return network_details except Exception as e: error_result = { "error": f"Network analysis failed: {str(e)}", "script": "script2_network_analysis" } print(f"❌ Network analysis failed: {e}") return error_result # MAIN SCRIPT 2 EXECUTION try: print(f"⏰ Script 2 started at: {time.strftime('%H:%M:%S')}") # Check if Script 1 left status info status_file = r"H:\visum-thinker-mcp-server\visum_instance_status.json" if os.path.exists(status_file): with open(status_file, 'r') as f: script1_status = json.load(f) print(f"📋 Found Script 1 status:") print(f" Initialized: {script1_status.get('initialized', 'Unknown')}") print(f" Nodes from Script 1: {script1_status.get('network_summary', {}).get('nodes', 'Unknown'):,}") print(f" Instance ID: {script1_status.get('instance_id', 'Unknown')}") else: print("⚠️ No Script 1 status found") # Try to access DirectVisumManager print(f"\n🔄 Attempting to access DirectVisumManager...") manager = DirectVisumManager() # Execute network analysis result = manager.execute_network_analysis() print(f"\n📊 SCRIPT 2 RESULTS:") print(json.dumps(result, indent=2)) # Check if instance was reused or recreated current_instance_id = id(manager.visum_instance) if manager.visum_instance else None script1_instance_id = script1_status.get('instance_id') if 'script1_status' in locals() else None if current_instance_id and script1_instance_id: if current_instance_id == script1_instance_id: print(f"\n🎉 SUCCESS: Same instance reused from Script 1!") print(f" Instance ID match: {current_instance_id}") else: print(f"\n⚠️ Different instance created:") print(f" Script 1 ID: {script1_instance_id}") print(f" Script 2 ID: {current_instance_id}") # Save Script 2 results script2_status = result.copy() script2_status.update({ "script2_completed": True, "script2_timestamp": time.time(), "current_instance_id": current_instance_id, "instance_reused": current_instance_id == script1_instance_id if script1_instance_id else False }) with open(r"H:\visum-thinker-mcp-server\script2_results.json", 'w') as f: json.dump(script2_status, f, indent=2) print(f"\n✅ SCRIPT 2 COMPLETED!") except Exception as e: print(f"❌ Script 2 error: {e}") import traceback traceback.print_exc() print(f"=== SCRIPT 2 TERMINATO ===") print(f"Ora puoi eseguire Script 3 per ulteriori test...")