202 lines
7.2 KiB
Python
202 lines
7.2 KiB
Python
import os
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import sys
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import json
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import logging
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import mimetypes
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from datetime import datetime
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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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# 数据库实例 (在根目录 extensions.py 中)
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from extensions import db
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# 数据模型 (在根目录 models.py 中)
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from models import Device, DeviceHistory, MaintenanceLog
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# 核心业务逻辑 (在 services/core.py 中)
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from services.core import execute_monitor_task
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# 路由蓝图 (在 routes/api.py 中)
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try:
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from routes.api import api_bp as device_bp
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except ImportError:
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from routes.api import device_bp
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# 工具函数 (在 routes/api.py 中)
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from routes.api import 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。请检查文件名和变量名。详细信息: {e}")
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print(f"系统路径: {sys.path}")
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sys.exit(1)
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# ==============================================================================
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# 2. 路径计算模块 (兼容 PyInstaller 打包)
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# ==============================================================================
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def get_base_path():
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"""获取运行时基准路径，兼容开发环境和打包环境"""
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if getattr(sys, 'frozen', False):
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if hasattr(sys, '_MEIPASS'):
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return sys._MEIPASS # --onefile 模式
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else:
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return os.path.dirname(os.path.abspath(sys.executable)) # --onedir 模式
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else:
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return os.path.abspath(os.path.dirname(__file__))
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BASE_DIR = get_base_path()
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STATIC_FOLDER = os.path.join(BASE_DIR, 'web_dist')
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INSTANCE_FOLDER = os.path.join(BASE_DIR, 'instance')
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DB_PATH = os.path.join(INSTANCE_FOLDER, 'devices.db')
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# 修复 Windows 下注册表 MIME 类型缺失导致网页白屏的问题
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mimetypes.add_type('application/javascript', '.js')
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mimetypes.add_type('text/css', '.css')
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print(f"🚀 运行环境: {'Packaged' if getattr(sys, 'frozen', False) else 'Dev'}")
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print(f"📂 基准路径: {BASE_DIR}")
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print(f"💾 数据库路径: {DB_PATH}")
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# ==============================================================================
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# 3. 定时任务逻辑
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# ==============================================================================
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def auto_monitor_job(app):
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"""定时任务具体执行逻辑"""
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with app.app_context():
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print(f"⏰ [定时任务] 启动时间: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}")
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if not execute_monitor_task:
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print("❌ 错误: 无法加载爬虫核心模块 (execute_monitor_task is Missing)")
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return
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try:
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# 执行爬取
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task_result = execute_monitor_task()
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if not task_result:
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print("⚠️ [定时任务] 爬虫未获取到数据")
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return
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scraped_list = task_result.get('device_list', [])
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current_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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count = 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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# 查找或创建设备
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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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# 更新字段
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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 = item.get('target_time')
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device.check_time = current_time
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device.json_data = json.dumps(item.get('raw_json', {}), ensure_ascii=False)
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device.offset = calculate_offset(item.get('target_time'))
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# 写入历史
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db.session.add(DeviceHistory(
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device_id=device.id,
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status=device.status,
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result_data=device.current_value,
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data_time=item.get('target_time'),
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json_data=device.json_data
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))
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count += 1
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db.session.commit()
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print(f"✅ [定时任务] 成功更新 {count} 台设备状态")
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except Exception as e:
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db.session.rollback()
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print(f"❌ [定时任务] 异常: {str(e)}")
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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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# 🔴 关键修复：移除了 static_url_path=''
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# 这样 Flask 就不会强制拦截所有根路径请求，让下面的 serve_static 有机会处理 /dashboard
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app = Flask(__name__, static_folder=STATIC_FOLDER)
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CORS(app)
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# 确保 instance 目录存在
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if not os.path.exists(INSTANCE_FOLDER):
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os.makedirs(INSTANCE_FOLDER, exist_ok=True)
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app.config['SQLALCHEMY_DATABASE_URI'] = f'sqlite:///{DB_PATH}'
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app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
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app.config['SCHEDULER_API_ENABLED'] = True
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# 初始化数据库
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db.init_app(app)
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# 初始化定时任务
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scheduler = APScheduler()
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scheduler.init_app(app)
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scheduler.start()
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# 添加定时任务 (每天 10:00)
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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=10,
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minute=0
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)
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# 注册蓝图
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app.register_blueprint(device_bp)
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# -------------------------------------------------
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# 前端路由支持 (Vue History Mode)
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# -------------------------------------------------
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@app.route('/')
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def serve_index():
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if not os.path.exists(os.path.join(app.static_folder, 'index.html')):
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return "❌ 错误: 前端文件丢失 (web_dist/index.html)", 404
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return send_from_directory(app.static_folder, 'index.html')
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@app.route('/<path:path>')
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def serve_static(path):
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# 1. 优先尝试直接返回实际存在的文件 (js, css, img等)
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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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# 2. 如果是 API 请求但没找到对应接口，返回 404 JSON (不返回 HTML)
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if path.startswith('api') or path.startswith('static'):
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return jsonify({'code': 404, 'message': 'Not Found'}), 404
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# 3. 关键逻辑：
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# 访问 /dashboard 等前端路由时，文件系统中并没有 dashboard 这个文件
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# 所以会走到这里，返回 index.html，让 Vue 及其 Router 接管页面渲染
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return send_from_directory(app.static_folder, 'index.html')
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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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# 生产环境/打包环境通常设为 False
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debug_mode = not getattr(sys, 'frozen', False)
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print("🚀 服务启动中...")
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app.run(host='0.0.0.0', port=5000, debug=debug_mode, use_reloader=False) |