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62 lines
1.6 KiB
Python
62 lines
1.6 KiB
Python
from typing import Optional
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from pydantic import condecimal
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from sqlmodel import Field, Session, SQLModel, create_engine, select
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class Hero(SQLModel, table=True):
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id: Optional[int] = Field(default=None, primary_key=True)
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name: str
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secret_name: str
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age: Optional[int] = None
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money: condecimal(max_digits=5, decimal_places=3) = Field(default=0)
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sqlite_file_name = "database.db"
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sqlite_url = f"sqlite:///{sqlite_file_name}"
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engine = create_engine(sqlite_url, echo=True)
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def create_db_and_tables():
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SQLModel.metadata.create_all(engine)
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def create_heroes():
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hero_1 = Hero(name="Deadpond", secret_name="Dive Wilson", money=1.1)
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hero_2 = Hero(name="Spider-Boy", secret_name="Pedro Parqueador", money=0.001)
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hero_3 = Hero(name="Rusty-Man", secret_name="Tommy Sharp", age=48, money=2.2)
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with Session(engine) as session:
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session.add(hero_1)
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session.add(hero_2)
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session.add(hero_3)
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session.commit()
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def select_heroes():
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with Session(engine) as session:
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statement = select(Hero).where(Hero.name == "Deadpond")
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results = session.exec(statement)
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hero_1 = results.one()
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print("Hero 1:", hero_1)
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statement = select(Hero).where(Hero.name == "Rusty-Man")
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results = session.exec(statement)
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hero_2 = results.one()
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print("Hero 2:", hero_2)
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total_money = hero_1.money + hero_2.money
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print(f"Total money: {total_money}")
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def main():
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create_db_and_tables()
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create_heroes()
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select_heroes()
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if __name__ == "__main__":
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main()
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