Coverage for docs_src / tutorial / relationship_attributes / define_relationship_attributes / tutorial001_py39.py: 100%

1from typing import Optional 9 ctx1jklmnopqr

2 

3from sqlmodel import Field, Relationship, Session, SQLModel, create_engine 9 ctx1jklmnopqr

4 

5 

6class Team(SQLModel, table=True): 9 ctx1jklmnopqr

7 id: Optional[int] = Field(default=None, primary_key=True) 9 ctx1jklmnopqr

8 name: str = Field(index=True) 9 ctx1jklmnopqr

9 headquarters: str 9 ctx1jklmnopqr

10 

11 heroes: list["Hero"] = Relationship(back_populates="team") 9 ctx1jklmnopqr

12 

13 

14class Hero(SQLModel, table=True): 9 ctx1jklmnopqr

15 id: Optional[int] = Field(default=None, primary_key=True) 9 ctx1jklmnopqr

16 name: str = Field(index=True) 9 ctx1jklmnopqr

17 secret_name: str 9 ctx1jklmnopqr

18 age: Optional[int] = Field(default=None, index=True) 9 ctx1jklmnopqr

19 

20 team_id: Optional[int] = Field(default=None, foreign_key="team.id") 9 ctx1jklmnopqr

21 team: Optional[Team] = Relationship(back_populates="heroes") 9 ctx1jklmnopqr

22 

23 

24sqlite_file_name = "database.db" 9 ctx1jklmnopqr

25sqlite_url = f"sqlite:///{sqlite_file_name}" 9 ctx1jklmnopqr

26 

27engine = create_engine(sqlite_url, echo=True) 9 ctx1jklmnopqr

28 

29 

30def create_db_and_tables(): 9 ctx1jklmnopqr

31 SQLModel.metadata.create_all(engine) 9 ctx1abcdefghi

32 

33 

34def create_heroes(): 9 ctx1jklmnopqr

35 with Session(engine) as session: 9 ctx1abcdefghi

36 team_preventers = Team(name="Preventers", headquarters="Sharp Tower") 9 ctx1abcdefghi

37 team_z_force = Team(name="Z-Force", headquarters="Sister Margaret's Bar") 9 ctx1abcdefghi

38 

39 hero_deadpond = Hero( 9 ctx1abcdefghi

40 name="Deadpond", secret_name="Dive Wilson", team=team_z_force 

41 ) 

42 hero_rusty_man = Hero( 9 ctx1abcdefghi

43 name="Rusty-Man", secret_name="Tommy Sharp", age=48, team=team_preventers 

44 ) 

45 hero_spider_boy = Hero(name="Spider-Boy", secret_name="Pedro Parqueador") 9 ctx1abcdefghi

46 session.add(hero_deadpond) 9 ctx1abcdefghi

47 session.add(hero_rusty_man) 9 ctx1abcdefghi

48 session.add(hero_spider_boy) 9 ctx1abcdefghi

49 session.commit() 9 ctx1abcdefghi

50 

51 session.refresh(hero_deadpond) 9 ctx1abcdefghi

52 session.refresh(hero_rusty_man) 9 ctx1abcdefghi

53 session.refresh(hero_spider_boy) 9 ctx1abcdefghi

54 

55 print("Created hero:", hero_deadpond) 9 ctx1abcdefghi

56 print("Created hero:", hero_rusty_man) 9 ctx1abcdefghi

57 print("Created hero:", hero_spider_boy) 9 ctx1abcdefghi

58 

59 hero_spider_boy.team = team_preventers 9 ctx1abcdefghi

60 session.add(hero_spider_boy) 9 ctx1abcdefghi

61 session.commit() 9 ctx1abcdefghi

62 

63 

64def main(): 9 ctx1jklmnopqr

65 create_db_and_tables() 9 ctx1abcdefghi

66 create_heroes() 9 ctx1abcdefghi

67 

68 

69if __name__ == "__main__": 9 ctx1jklmnopqr

70 main()