from flask import Flask from flask_sqlalchemy import SQLAlchemy from sqlalchemy.orm import DeclarativeBase import os app = Flask(__name__) config_string = os.environ.get("FLASK_CONFIG", "config.DevelopmentConfig") app.config.from_object("config.DevelopmentConifg") app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///app.db" app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False class Base(DeclarativeBase): pass db = SQLAlchemy(model_class=Base) db.init_app(app) from . import routes