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 = Field(index=True) secret_name: str age: Optional[int] = Field(default=None, index=True) 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) hero_4 = Hero(name="Tarantula", secret_name="Natalia Roman-on", age=32) hero_5 = Hero(name="Black Lion", secret_name="Trevor Challa", age=35) hero_6 = Hero(name="Dr. Weird", secret_name="Steve Weird", age=36) hero_7 = Hero(name="Captain North America", secret_name="Esteban Rogelios", age=93) with Session(engine) as session: session.add(hero_1) session.add(hero_2) session.add(hero_3) session.add(hero_4) session.add(hero_5) session.add(hero_6) session.add(hero_7) session.commit() def select_heroes(): with Session(engine) as session: statement = select(Hero).where(Hero.age < 25) results = session.exec(statement) hero = results.one() print("Hero:", hero) def main(): create_db_and_tables() create_heroes() select_heroes() if __name__ == "__main__": main()