ai-LiaoWangweb-app/app/__init__.py

from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager
from .config import Config

db = SQLAlchemy()
login_manager = LoginManager()
login_manager.login_view = 'main.login'

def create_app(config_class=Config):
    app = Flask(__name__)
    app.config.from_object(config_class)

    db.init_app(app)
    login_manager.init_app(app)

    from .routes import main_routes, ai_routes, source_routes, collection_routes, data_routes, deep_routes
    app.register_blueprint(main_routes.bp)
    app.register_blueprint(ai_routes.bp)
    app.register_blueprint(source_routes.bp)
    app.register_blueprint(collection_routes.bp)
    app.register_blueprint(data_routes.bp)
    app.register_blueprint(deep_routes.bp)
    
    from . import models
    
    with app.app_context():
        db.create_all()

    return app