from typing import Optional from sqlmodel import Field, Session, SQLModel, create_engine, select class Hero(SQLModel, table=True): id: Optional[int] = Field(default=None, primary_key=True) name: str secret_name: str age: Optional[int] = None sqlite_file_name = "database.db" sqlite_url = f"sqlite:///{sqlite_file_name}" engine = create_engine(sqlite_url, echo=True) def create_db_and_tables(): SQLModel.metadata.create_all(engine) def create_heroes(): hero_1 = Hero(name="Deadpond", secret_name="Dive Wilson") hero_2 = Hero(name="Spider-Boy", secret_name="Pedro Parqueador") hero_3 = Hero(name="Rusty-Man", secret_name="Tommy Sharp", age=48) with Session(engine) as session: session.add(hero_1) session.add(hero_2) session.add(hero_3) session.commit() def select_heroes(): with Session(engine) as session: statement = select(Hero) results = session.exec(statement) heroes = results.all() print(heroes) def main(): create_db_and_tables() create_heroes() select_heroes() if __name__ == "__main__": main()