from typing import Optional from sqlmodel import Field, Session, SQLModel, create_engine 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(): # (1) hero_1 = Hero(name="Deadpond", secret_name="Dive Wilson") # (2) 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: # (3) session.add(hero_1) # (4) session.add(hero_2) session.add(hero_3) session.commit() # (5) # (6) def main(): # (7) create_db_and_tables() # (8) create_heroes() # (9) if __name__ == "__main__": # (10) main() # (11)