Merge/back_rhj/app/__init__.py

from flask import Flask
from flask_cors import CORS
import atexit
import logging

def create_app():
    app = Flask(__name__)
    
    # 启用CORS支持跨域请求
    CORS(app)
    
    # Load configuration
    app.config.from_object('config.Config')

    # Register blueprints or routes
    from .routes import main as main_blueprint
    app.register_blueprint(main_blueprint)
    
    # Register recommendation blueprint
    from .blueprints.recommend import recommend_bp
    app.register_blueprint(recommend_bp)
    
    # Register scheduler blueprint
    from .blueprints.scheduler import scheduler_bp
    app.register_blueprint(scheduler_bp)
    
    # 初始化定时任务管理器
    from .utils.scheduler_manager import SchedulerManager
    
    scheduler_manager = SchedulerManager()
    scheduler_manager.init_scheduler(app)
    
    # 检查是否启用定时任务
    scheduler_enabled = getattr(app.config, 'SCHEDULER_ENABLED', True)
    if scheduler_enabled:
        # 从配置获取重建间隔
        rebuild_interval = getattr(app.config, 'GRAPH_REBUILD_INTERVAL', 1)
        scheduler_manager.start_graph_rebuild_task(interval_minutes=rebuild_interval)
    
    # 注册关闭时的清理函数
    atexit.register(lambda: scheduler_manager.shutdown())

    return app

app = create_app()