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from flask import Flask, render_template, request, jsonify, send_file |
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import threading |
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import time |
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import os |
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from datetime import datetime |
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from google import genai |
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import uuid |
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app = Flask(__name__) |
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GOOGLE_API_KEY = "AIzaSyAPXOW7DCXOfGuryt8To1iqUADPzRcVApI" |
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MODEL_ID = "gemini-2.5-flash-preview-05-20" |
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UPLOAD_FOLDER = 'uploads' |
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RESULTS_FOLDER = 'results' |
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os.makedirs(UPLOAD_FOLDER, exist_ok=True) |
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os.makedirs(RESULTS_FOLDER, exist_ok=True) |
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tasks = {} |
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class TaskManager: |
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def __init__(self): |
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self.tasks = {} |
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def create_task(self, task_id): |
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self.tasks[task_id] = { |
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'status': 'running', |
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'progress': 0, |
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'total': 470, |
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'results_file': f'results_{task_id}.txt', |
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'start_time': datetime.now(), |
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'errors': [], |
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'last_update': datetime.now() |
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} |
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def update_progress(self, task_id, progress): |
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if task_id in self.tasks: |
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self.tasks[task_id]['progress'] = progress |
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self.tasks[task_id]['last_update'] = datetime.now() |
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def add_error(self, task_id, error): |
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if task_id in self.tasks: |
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self.tasks[task_id]['errors'].append(error) |
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def complete_task(self, task_id): |
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if task_id in self.tasks: |
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self.tasks[task_id]['status'] = 'completed' |
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self.tasks[task_id]['last_update'] = datetime.now() |
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def get_task(self, task_id): |
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return self.tasks.get(task_id) |
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task_manager = TaskManager() |
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def generate_synthetic_data(file_path, task_id): |
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"""Fonction qui exécute les 470 requêtes en arrière-plan""" |
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try: |
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client = genai.Client(api_key=GOOGLE_API_KEY) |
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file_ref = client.files.upload(file=file_path) |
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prompt = ("J'aimerais générer des nouvelles données synthétiques à partir de ça. " |
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"Une fang, une français. Je veux 400 phrases longues.\n\n" |
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"Selon le format : fang :.... / Français :...") |
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results_file = os.path.join(RESULTS_FOLDER, f'results_{task_id}.txt') |
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with open(results_file, 'w', encoding='utf-8') as f: |
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f.write(f"Génération de données synthétiques - Démarré le {datetime.now()}\n") |
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f.write("="*60 + "\n\n") |
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for i in range(470): |
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try: |
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response = client.models.generate_content( |
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model=MODEL_ID, |
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contents=[file_ref, prompt] |
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) |
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f.write(f"--- Requête {i+1}/470 ---\n") |
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f.write(response.text) |
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f.write("\n" + "="*60 + "\n\n") |
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f.flush() |
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task_manager.update_progress(task_id, i + 1) |
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print(f"Requête {i+1}/470 complétée") |
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time.sleep(1) |
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except Exception as e: |
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error_msg = f"Erreur requête {i+1}: {str(e)}" |
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task_manager.add_error(task_id, error_msg) |
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f.write(f"ERREUR - Requête {i+1}: {str(e)}\n") |
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f.write("="*60 + "\n\n") |
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f.flush() |
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print(error_msg) |
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task_manager.complete_task(task_id) |
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print(f"Tâche {task_id} terminée avec succès") |
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except Exception as e: |
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error_msg = f"Erreur générale: {str(e)}" |
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task_manager.add_error(task_id, error_msg) |
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print(error_msg) |
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@app.route('/') |
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def index(): |
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render_template('index.html') |
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@app.route('/upload', methods=['POST']) |
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def upload_file(): |
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if 'file' not in request.files: |
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return jsonify({'error': 'Aucun fichier sélectionné'}), 400 |
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file = request.files['file'] |
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if file.filename == '': |
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return jsonify({'error': 'Aucun fichier sélectionné'}), 400 |
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if file: |
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task_id = str(uuid.uuid4()) |
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filename = f"input_{task_id}.txt" |
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file_path = os.path.join(UPLOAD_FOLDER, filename) |
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file.save(file_path) |
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task_manager.create_task(task_id) |
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thread = threading.Thread( |
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target=generate_synthetic_data, |
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args=(file_path, task_id) |
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) |
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thread.daemon = True |
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thread.start() |
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return jsonify({ |
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'task_id': task_id, |
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'message': 'Traitement démarré en arrière-plan' |
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}) |
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@app.route('/status/<task_id>') |
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def get_status(task_id): |
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task = task_manager.get_task(task_id) |
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if not task: |
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return jsonify({'error': 'Tâche non trouvée'}), 404 |
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return jsonify({ |
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'status': task['status'], |
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'progress': task['progress'], |
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'total': task['total'], |
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'percentage': round((task['progress'] / task['total']) * 100, 2), |
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'errors_count': len(task['errors']), |
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'start_time': task['start_time'].strftime('%Y-%m-%d %H:%M:%S'), |
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'last_update': task['last_update'].strftime('%Y-%m-%d %H:%M:%S') |
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}) |
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@app.route('/download/<task_id>') |
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def download_results(task_id): |
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task = task_manager.get_task(task_id) |
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if not task: |
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return jsonify({'error': 'Tâche non trouvée'}), 404 |
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results_file = os.path.join(RESULTS_FOLDER, f'results_{task_id}.txt') |
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if not os.path.exists(results_file): |
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return jsonify({'error': 'Fichier de résultats non trouvé'}), 404 |
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is_partial = request.args.get('partial', 'false').lower() == 'true' |
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if is_partial and task['status'] == 'running': |
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temp_file = os.path.join(RESULTS_FOLDER, f'temp_results_{task_id}.txt') |
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try: |
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with open(results_file, 'r', encoding='utf-8') as original: |
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content = original.read() |
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with open(temp_file, 'w', encoding='utf-8') as temp: |
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temp.write(content) |
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temp.write(f"\n\n--- TÉLÉCHARGEMENT PARTIEL ---\n") |
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temp.write(f"Téléchargé le: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}\n") |
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temp.write(f"Progrès: {task['progress']}/{task['total']} ({round((task['progress'] / task['total']) * 100, 2)}%)\n") |
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temp.write("Génération en cours... Ce fichier contient les données générées jusqu'à présent.\n") |
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return send_file( |
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temp_file, |
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as_attachment=True, |
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download_name=f'donnees_synthetiques_partiel_{task_id}.txt' |
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) |
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except Exception as e: |
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return jsonify({'error': f'Erreur lors de la création du fichier partiel: {str(e)}'}), 500 |
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download_name = f'donnees_synthetiques_{"complet" if task["status"] == "completed" else "actuel"}_{task_id}.txt' |
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return send_file( |
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results_file, |
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as_attachment=True, |
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download_name=download_name |
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) |
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@app.route('/tasks') |
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def list_tasks(): |
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"""Liste toutes les tâches""" |
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task_list = [] |
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for task_id, task_info in task_manager.tasks.items(): |
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task_list.append({ |
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'id': task_id, |
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'status': task_info['status'], |
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'progress': task_info['progress'], |
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'total': task_info['total'], |
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'percentage': round((task_info['progress'] / task_info['total']) * 100, 2), |
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'start_time': task_info['start_time'].strftime('%Y-%m-%d %H:%M:%S'), |
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'last_update': task_info['last_update'].strftime('%Y-%m-%d %H:%M:%S'), |
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'errors_count': len(task_info['errors']) |
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}) |
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task_list.sort(key=lambda x: x['start_time'], reverse=True) |
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return jsonify(task_list) |
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@app.route('/cleanup') |
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def cleanup_temp_files(): |
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"""Nettoyer les fichiers temporaires (optionnel)""" |
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try: |
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temp_files_deleted = 0 |
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for filename in os.listdir(RESULTS_FOLDER): |
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if filename.startswith('temp_results_'): |
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file_path = os.path.join(RESULTS_FOLDER, filename) |
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os.remove(file_path) |
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temp_files_deleted += 1 |
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return jsonify({ |
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'message': f'{temp_files_deleted} fichiers temporaires supprimés' |
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}) |
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except Exception as e: |
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return jsonify({'error': f'Erreur lors du nettoyage: {str(e)}'}), 500 |
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if __name__ == '__main__': |
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print("🚀 Démarrage du serveur...") |
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print("📂 Dossiers créés:", UPLOAD_FOLDER, RESULTS_FOLDER) |
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print("🌐 Application disponible sur: http://localhost:5000") |
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app.run(debug=True, threaded=True) |