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53 lines
1.2 KiB
Python
53 lines
1.2 KiB
Python
from typing import Optional
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from sqlmodel import Field, Session, SQLModel, create_engine, select # (1)
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class Hero(SQLModel, table=True): # (2)
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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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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) # (3)
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def create_db_and_tables():
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SQLModel.metadata.create_all(engine) # (4)
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def create_heroes():
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hero_1 = Hero(name="Deadpond", secret_name="Dive Wilson") # (5)
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hero_2 = Hero(name="Spider-Boy", secret_name="Pedro Parqueador")
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hero_3 = Hero(name="Rusty-Man", secret_name="Tommy Sharp", age=48)
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with Session(engine) as session: # (6)
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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: # (7)
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statement = select(Hero) # (8)
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results = session.exec(statement) # (9)
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for hero in results: # (10)
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print(hero) # (11)
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# (12)
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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() # (13)
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if __name__ == "__main__":
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main()
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