241 lines
8.2 KiB
Python
241 lines
8.2 KiB
Python
import os
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import sys
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import json
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import mimetypes
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import logging
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from datetime import datetime
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import pytz
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from flask import Flask, send_from_directory, jsonify
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from flask_cors import CORS
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from flask_apscheduler import APScheduler
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# ==============================================================================
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# ✅ 1. 核心模块引用
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# ==============================================================================
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try:
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from config import Config
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from extensions import db
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from models import Device, DeviceHistory
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from services.core import execute_monitor_task
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try:
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from services.iot_api import sync_iot_data_service
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except ImportError:
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sync_iot_data_service = None
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try:
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from routes.api import api_bp as device_bp
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from routes.api import calculate_offset
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except ImportError:
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from routes.api import device_bp, calculate_offset
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except ImportError as e:
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print(f"❌ 严重错误: 模块导入失败。详细信息: {e}")
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sys.exit(1)
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# ==============================================================================
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# 2. 智能路径配置 (适配 PyInstaller 的 _internal 和 _MEIPASS)
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# ==============================================================================
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RESOURCE_BASE = Config.BASE_DIR
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INSTANCE_PATH = Config.INSTANCE_DIR
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def find_static_folder(base_path):
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"""
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全能路径搜寻逻辑，按优先级查找 web_dist
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"""
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# 1. PyInstaller 打包后的特殊路径
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if getattr(sys, 'frozen', False):
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if hasattr(sys, '_MEIPASS'):
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mei_path = os.path.join(sys._MEIPASS, 'web_dist')
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if os.path.exists(os.path.join(mei_path, 'index.html')):
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return mei_path
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internal_path = os.path.join(base_path, '_internal', 'web_dist')
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if os.path.exists(os.path.join(internal_path, 'index.html')):
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return internal_path
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# 2. 当前目录 (exe 同级)
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path = os.path.join(base_path, 'web_dist')
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if os.path.exists(os.path.join(path, 'index.html')):
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return path
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# 3. 开发环境上一级
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parent_path = os.path.join(os.path.dirname(base_path), 'web_dist')
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if os.path.exists(os.path.join(parent_path, 'index.html')):
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return parent_path
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return path
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STATIC_FOLDER = find_static_folder(RESOURCE_BASE)
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mimetypes.add_type('application/javascript', '.js')
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mimetypes.add_type('text/css', '.css')
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# ==============================================================================
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# 3. 核心定时任务逻辑
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# ==============================================================================
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def auto_monitor_job(app):
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"""
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每天 17:00 触发的爬虫任务。
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修复：移除不匹配的 create_time 字段，并确保 Session 清理。
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"""
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with app.app_context():
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tz = pytz.timezone('Asia/Shanghai')
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now_str = datetime.now(tz).strftime('%Y-%m-%d %H:%M:%S')
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print(f"\n{'=' * 50}")
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print(f"⏰ [定时任务触发] 北京时间: {now_str}")
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if not execute_monitor_task:
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return
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try:
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task_result = execute_monitor_task()
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if not task_result:
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print("⚠️ [警告] 爬虫执行完毕，但返回空数据")
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return
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scraped_list = task_result.get('device_list', [])
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print(f"📦 [数据获取] 爬取到 {len(scraped_list)} 条设备数据")
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current_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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stats = {'new_device': 0, 'history_added': 0}
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for item in scraped_list:
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d_name = item.get('name')
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if not d_name: continue
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f_count = item.get('num_files', 0)
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target_date = item.get('target_time')
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# A. 更新 Device 表
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device = Device.query.filter_by(name=d_name).first()
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if not device:
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device = Device(name=d_name, source=item.get('source'), install_site="")
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db.session.add(device)
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db.session.flush()
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stats['new_device'] += 1
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device.status = item.get('status')
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device.current_value = item.get('value')
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device.latest_time = target_date
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device.check_time = current_time
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device.file_count = f_count
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device.offset = calculate_offset(target_date)
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# JSON 处理
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old_json = {}
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try:
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if device.json_data: old_json = json.loads(device.json_data)
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except:
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old_json = {}
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new_json = item.get('raw_json', {})
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if isinstance(new_json, dict): old_json.update(new_json)
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device.json_data = json.dumps(old_json, ensure_ascii=False)
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# B. 新增 History 记录
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# [修复点] 移除了 create_time 参数，防止报错
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history_entry = DeviceHistory(
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device_id=device.id,
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status=item.get('status'),
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result_data=item.get('value'),
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data_time=target_date,
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json_data=device.json_data,
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file_count=f_count
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# create_time=datetime.now() # 已删除：你的 models.py 中没有定义这个字段
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)
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db.session.add(history_entry)
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stats['history_added'] += 1
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db.session.flush()
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db.session.commit()
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print(f"✅ [入库成功] 新增设备: {stats['new_device']} | 新增历史: {stats['history_added']}")
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except Exception as e:
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db.session.rollback()
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print(f"❌ [严重异常] 数据写入失败: {e}")
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finally:
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db.session.remove()
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print(f"{'=' * 50}\n")
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# ==============================================================================
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# 4. Flask 应用工厂
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# ==============================================================================
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def create_app():
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# 调试路径
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print(f"🔍 [前端路径锁定] {STATIC_FOLDER}")
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if not os.path.exists(os.path.join(STATIC_FOLDER, 'index.html')):
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print(f"❌ [严重警告] 仍然无法找到 index.html，请检查 PyInstaller 是否将 web_dist 打包进了 _internal 目录。")
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app = Flask(__name__, static_folder=STATIC_FOLDER, instance_path=INSTANCE_PATH)
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CORS(app)
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if not os.path.exists(app.instance_path):
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os.makedirs(app.instance_path, exist_ok=True)
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app.config.from_object(Config)
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db.init_app(app)
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scheduler = APScheduler()
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scheduler.init_app(app)
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scheduler.start()
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scheduler.add_job(
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id='daily_monitor_task',
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func=auto_monitor_job,
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args=[app],
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trigger='cron',
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hour=17,
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minute=0,
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second=0,
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misfire_grace_time=3600,
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timezone=pytz.timezone('Asia/Shanghai')
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)
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print(f"📅 定时任务已锁定: 每天北京时间 17:00 执行")
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app.register_blueprint(device_bp)
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@app.route('/api/force_run')
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def force_run_task():
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auto_monitor_job(app)
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return jsonify({'code': 200, 'msg': '手动触发成功，历史记录已追加'})
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@app.route('/')
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def serve_index():
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try:
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return send_from_directory(app.static_folder, 'index.html')
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except Exception:
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return "<h1>错误：找不到前端文件</h1>", 404
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@app.route('/<path:path>')
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def serve_static(path):
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file_path = os.path.join(app.static_folder, path)
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if os.path.exists(file_path):
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return send_from_directory(app.static_folder, path)
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if path.startswith('api'):
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return jsonify({'code': 404, 'message': 'API endpoint not found'}), 404
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try:
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return send_from_directory(app.static_folder, 'index.html')
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except Exception:
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return "Frontend not found", 404
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with app.app_context():
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db.create_all()
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return app
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if __name__ == '__main__':
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app = create_app()
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debug_mode = not getattr(sys, 'frozen', False)
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print(f"🚀 服务启动中... 数据库: {app.config['SQLALCHEMY_DATABASE_URI']}")
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app.run(host='0.0.0.0', port=5000, debug=debug_mode, use_reloader=False) |