__init__.py 文件源码

def create_app(env=None):
    """
    Bootstrap function to initialise the Flask app and config
    :return: Initialised Flask app
    """
    app = Flask(__name__)

    if env is None:
        env = os.getenv('TM_ENV', 'Dev')  # default to Dev if config environment var not set

    app.config.from_object(f'server.config.{env}Config')

    initialise_logger(app)
    app.logger.info(f'HOT Tasking Manager App Starting Up, Environment = {env}')

    db.init_app(app)
    migrate.init_app(app, db)

    app.logger.debug('Initialising Blueprints')
    from .web import main as main_blueprint
    from .web import swagger as swagger_blueprint
    app.register_blueprint(main_blueprint)
    app.register_blueprint(swagger_blueprint)

    init_flask_restful_routes(app)

    CORS(app)  # Enables CORS on all API routes, meaning API is callable from anywhere

    app.secret_key = app.config['SECRET_KEY']  # Required by itsdangeroud, Flask-OAuthlib for creating entropy
    oauth.init_app(app)

    return app