Coverage for docs_src/tutorial/connect/select/tutorial002.py: 100%

1from typing import Optional 10 ctx1abcdefghij

2 

3from sqlmodel import Field, Session, SQLModel, create_engine, select 10 ctx1abcdefghij

4 

5 

6class Team(SQLModel, table=True): 10 ctx1abcdefghij

7 id: Optional[int] = Field(default=None, primary_key=True) 10 ctx1abcdefghij

8 name: str = Field(index=True) 10 ctx1abcdefghij

9 headquarters: str 10 ctx1abcdefghij

10 

11 

12class Hero(SQLModel, table=True): 10 ctx1abcdefghij

13 id: Optional[int] = Field(default=None, primary_key=True) 10 ctx1abcdefghij

14 name: str = Field(index=True) 10 ctx1abcdefghij

15 secret_name: str 10 ctx1abcdefghij

16 age: Optional[int] = Field(default=None, index=True) 10 ctx1abcdefghij

17 

18 team_id: Optional[int] = Field(default=None, foreign_key="team.id") 10 ctx1abcdefghij

19 

20 

21sqlite_file_name = "database.db" 10 ctx1abcdefghij

22sqlite_url = f"sqlite:///{sqlite_file_name}" 10 ctx1abcdefghij

23 

24engine = create_engine(sqlite_url, echo=True) 10 ctx1abcdefghij

25 

26 

27def create_db_and_tables(): 10 ctx1abcdefghij

28 SQLModel.metadata.create_all(engine) 10 ctx1abcdefghij

29 

30 

31def create_heroes(): 10 ctx1abcdefghij

32 with Session(engine) as session: 10 ctx1abcdefghij

33 team_preventers = Team(name="Preventers", headquarters="Sharp Tower") 10 ctx1abcdefghij

34 team_z_force = Team(name="Z-Force", headquarters="Sister Margaret's Bar") 10 ctx1abcdefghij

35 session.add(team_preventers) 10 ctx1abcdefghij

36 session.add(team_z_force) 10 ctx1abcdefghij

37 session.commit() 10 ctx1abcdefghij

38 

39 hero_deadpond = Hero( 10 ctx1abcdefghij

40 name="Deadpond", secret_name="Dive Wilson", team_id=team_z_force.id 

41 ) 

42 hero_rusty_man = Hero( 10 ctx1abcdefghij

43 name="Rusty-Man", 

44 secret_name="Tommy Sharp", 

45 age=48, 

46 team_id=team_preventers.id, 

47 ) 

48 hero_spider_boy = Hero(name="Spider-Boy", secret_name="Pedro Parqueador") 10 ctx1abcdefghij

49 session.add(hero_deadpond) 10 ctx1abcdefghij

50 session.add(hero_rusty_man) 10 ctx1abcdefghij

51 session.add(hero_spider_boy) 10 ctx1abcdefghij

52 session.commit() 10 ctx1abcdefghij

53 

54 session.refresh(hero_deadpond) 10 ctx1abcdefghij

55 session.refresh(hero_rusty_man) 10 ctx1abcdefghij

56 session.refresh(hero_spider_boy) 10 ctx1abcdefghij

57 

58 print("Created hero:", hero_deadpond) 10 ctx1abcdefghij

59 print("Created hero:", hero_rusty_man) 10 ctx1abcdefghij

60 print("Created hero:", hero_spider_boy) 10 ctx1abcdefghij

61 

62 

63def select_heroes(): 10 ctx1abcdefghij

64 with Session(engine) as session: 10 ctx1abcdefghij

65 statement = select(Hero, Team).join(Team) 10 ctx1abcdefghij

66 results = session.exec(statement) 10 ctx1abcdefghij

67 for hero, team in results: 10 ctx1abcdefghij

68 print("Hero:", hero, "Team:", team) 10 ctx1abcdefghij

69 

70 

71def main(): 10 ctx1abcdefghij

72 create_db_and_tables() 10 ctx1abcdefghij

73 create_heroes() 10 ctx1abcdefghij

74 select_heroes() 10 ctx1abcdefghij

75 

76 

77if __name__ == "__main__": 10 ctx1abcdefghij

78 main()