v1.0 - Version stable: multi-PC, détection UI-DETR-1, 3 modes exécution
- Frontend v4 accessible sur réseau local (192.168.1.40) - Ports ouverts: 3002 (frontend), 5001 (backend), 5004 (dashboard) - Ollama GPU fonctionnel - Self-healing interactif - Dashboard confiance Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Dom
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scripts/start_vwb_backend_thread_safe.py
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192
scripts/start_vwb_backend_thread_safe.py
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#!/usr/bin/env python3
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"""
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Script de démarrage du backend VWB avec solution thread-safe.
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Auteur : Dom, Alice, Kiro - 09 janvier 2026
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Ce script démarre le backend VWB avec la solution thread-safe pour
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la capture d'écran, résolvant les problèmes de threading avec Flask.
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"""
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import os
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import sys
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import subprocess
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import time
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import requests
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from pathlib import Path
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def check_dependencies():
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"""Vérifie que les dépendances sont disponibles."""
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print("🔍 Vérification des dépendances...")
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root_dir = Path(__file__).parent.parent
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venv_python = root_dir / "venv_v3" / "bin" / "python3"
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if not venv_python.exists():
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print("❌ Environnement virtuel venv_v3 non trouvé")
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return False
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# Test des imports critiques
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test_script = """
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try:
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import mss
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print("✅ mss disponible")
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except ImportError:
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print("❌ mss non disponible")
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try:
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import torch
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print("✅ torch disponible")
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except ImportError:
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print("❌ torch non disponible")
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try:
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import open_clip
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print("✅ open_clip disponible")
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except ImportError:
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print("❌ open_clip non disponible")
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try:
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import flask
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print("✅ flask disponible")
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except ImportError:
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print("❌ flask non disponible")
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"""
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try:
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result = subprocess.run([
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str(venv_python), "-c", test_script
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], capture_output=True, text=True, timeout=30)
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print(result.stdout)
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if "❌" in result.stdout:
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print("⚠️ Certaines dépendances manquent")
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return False
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print("✅ Toutes les dépendances sont disponibles")
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return True
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except Exception as e:
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print(f"❌ Erreur lors de la vérification: {e}")
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return False
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def start_backend_server(port=5002):
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"""Démarre le serveur backend avec la solution thread-safe."""
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print(f"🚀 Démarrage du backend VWB thread-safe sur le port {port}...")
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root_dir = Path(__file__).parent.parent
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venv_python = root_dir / "venv_v3" / "bin" / "python3"
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backend_script = root_dir / "visual_workflow_builder" / "backend" / "app_lightweight.py"
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# Variables d'environnement
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env = os.environ.copy()
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env['PYTHONPATH'] = str(root_dir)
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env['PORT'] = str(port)
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env['FLASK_ENV'] = 'development'
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print(f"🐍 Python: {venv_python}")
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print(f"📁 Script: {backend_script}")
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print(f"🌐 Port: {port}")
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print(f"🔧 Solution: Thread-safe screen capture")
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print("")
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try:
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# Démarrer le serveur
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process = subprocess.Popen([
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str(venv_python),
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str(backend_script)
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], env=env, cwd=str(root_dir))
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# Attendre que le serveur démarre
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print("⏳ Attente du démarrage du serveur...")
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if wait_for_server(port):
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print(f"✅ Serveur démarré avec succès !")
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print(f"🌐 URL: http://localhost:{port}")
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print(f"❤️ Health: http://localhost:{port}/health")
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print(f"📷 Capture: http://localhost:{port}/api/screen-capture")
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print(f"🎯 Embedding: http://localhost:{port}/api/visual-embedding")
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print("")
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print("Appuyez sur Ctrl+C pour arrêter")
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# Attendre l'arrêt
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process.wait()
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else:
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print("❌ Timeout - serveur non démarré")
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process.terminate()
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return False
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except KeyboardInterrupt:
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print("\n🛑 Arrêt du serveur...")
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process.terminate()
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process.wait()
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except Exception as e:
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print(f"❌ Erreur: {e}")
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return False
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return True
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def wait_for_server(port, timeout=30):
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"""Attend que le serveur soit prêt."""
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start_time = time.time()
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while time.time() - start_time < timeout:
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try:
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response = requests.get(f"http://localhost:{port}/health", timeout=2)
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if response.status_code == 200:
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data = response.json()
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if data.get('features', {}).get('screen_capture'):
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return True
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except:
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pass
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time.sleep(1)
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return False
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def test_capture_functionality(port=5002):
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"""Teste rapidement la fonctionnalité de capture."""
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print("🧪 Test rapide de la capture d'écran...")
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try:
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response = requests.post(
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f"http://localhost:{port}/api/screen-capture",
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json={"format": "png", "quality": 90},
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timeout=15
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)
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if response.status_code == 200:
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data = response.json()
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if data.get('success'):
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print(f"✅ Test réussi - {data['width']}x{data['height']}")
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return True
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else:
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print(f"❌ Test échoué: {data.get('error', 'inconnue')}")
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return False
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else:
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print(f"❌ Erreur HTTP: {response.status_code}")
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return False
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except Exception as e:
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print(f"❌ Erreur test: {e}")
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return False
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def main():
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"""Fonction principale."""
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print("=" * 60)
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print(" BACKEND VWB - DÉMARRAGE THREAD-SAFE")
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print("=" * 60)
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print("Auteur : Dom, Alice, Kiro - 09 janvier 2026")
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print("")
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# Vérifier les dépendances
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if not check_dependencies():
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print("❌ Dépendances manquantes - arrêt")
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return False
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# Déterminer le port
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port = int(os.getenv('PORT', 5002))
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# Démarrer le serveur
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return start_backend_server(port)
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if __name__ == '__main__':
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success = main()
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sys.exit(0 if success else 1)
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