covid-19-detector/flask_app/__init__.py

from flask import Flask
from flask_mail import Mail
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager
from flask_migrate import Migrate
from config import config
from flask_moment import Moment
from flask_bootstrap import Bootstrap

mail = Mail()
db = SQLAlchemy()
moment = Moment()
bootstrap = Bootstrap()
login_manager = LoginManager()
login_manager.login_view = 'auth.login'


def create_app(config_name):
    app = Flask(__name__)
    app.config.from_object(config[config_name])
    config[config_name].init_app(app)

    mail.init_app(app)
    db.init_app(app)
    moment.init_app(app)
    login_manager.init_app(app)
    bootstrap.init_app(app)

    migrate = Migrate(app, db)  # Initialize Flask-Migrate

    # 确保在此处导入模型，以便 Flask-SQLAlchemy 能够识别
    from . import models

    from .main import main as main_blueprint
    app.register_blueprint(main_blueprint)

    from .auth import auth as auth_blueprint
    app.register_blueprint(auth_blueprint, url_prefix='/auth')

    from .user import user as user_blueprint
    app.register_blueprint(user_blueprint, url_prefix='/user')

    from .appointment import appointment as appointment_blueprint
    app.register_blueprint(appointment_blueprint, url_prefix='/appointment')

    from .faqs import faqs as faqs_blueprint
    app.register_blueprint(faqs_blueprint, url_prefix='/faqs')

    from .detect import detect as detect_blueprint
    app.register_blueprint(detect_blueprint)
    return app