Coverage for docs_src/tutorial/delete/tutorial001.py: 100%

1from typing import Optional 7 ctx1abcdefg

2 

3from sqlmodel import Field, Session, SQLModel, create_engine, select 7 ctx1abcdefg

4 

5 

6class Hero(SQLModel, table=True): 7 ctx1abcdefg

7 id: Optional[int] = Field(default=None, primary_key=True) 7 ctx1abcdefg

8 name: str = Field(index=True) 7 ctx1abcdefg

9 secret_name: str 7 ctx1abcdefg

10 age: Optional[int] = Field(default=None, index=True) 7 ctx1abcdefg

11 

12 

13sqlite_file_name = "database.db" 7 ctx1abcdefg

14sqlite_url = f"sqlite:///{sqlite_file_name}" 7 ctx1abcdefg

15 

16engine = create_engine(sqlite_url, echo=True) 7 ctx1abcdefg

17 

18 

19def create_db_and_tables(): 7 ctx1abcdefg

20 SQLModel.metadata.create_all(engine) 7 ctx1abcdefg

21 

22 

23def create_heroes(): 7 ctx1abcdefg

24 hero_1 = Hero(name="Deadpond", secret_name="Dive Wilson") 7 ctx1abcdefg

25 hero_2 = Hero(name="Spider-Boy", secret_name="Pedro Parqueador") 7 ctx1abcdefg

26 hero_3 = Hero(name="Rusty-Man", secret_name="Tommy Sharp", age=48) 7 ctx1abcdefg

27 hero_4 = Hero(name="Tarantula", secret_name="Natalia Roman-on", age=32) 7 ctx1abcdefg

28 hero_5 = Hero(name="Black Lion", secret_name="Trevor Challa", age=35) 7 ctx1abcdefg

29 hero_6 = Hero(name="Dr. Weird", secret_name="Steve Weird", age=36) 7 ctx1abcdefg

30 hero_7 = Hero(name="Captain North America", secret_name="Esteban Rogelios", age=93) 7 ctx1abcdefg

31 

32 with Session(engine) as session: 7 ctx1abcdefg

33 session.add(hero_1) 7 ctx1abcdefg

34 session.add(hero_2) 7 ctx1abcdefg

35 session.add(hero_3) 7 ctx1abcdefg

36 session.add(hero_4) 7 ctx1abcdefg

37 session.add(hero_5) 7 ctx1abcdefg

38 session.add(hero_6) 7 ctx1abcdefg

39 session.add(hero_7) 7 ctx1abcdefg

40 

41 session.commit() 7 ctx1abcdefg

42 

43 

44def update_heroes(): 7 ctx1abcdefg

45 with Session(engine) as session: 7 ctx1abcdefg

46 statement = select(Hero).where(Hero.name == "Spider-Boy") 7 ctx1abcdefg

47 results = session.exec(statement) 7 ctx1abcdefg

48 hero_1 = results.one() 7 ctx1abcdefg

49 print("Hero 1:", hero_1) 7 ctx1abcdefg

50 

51 statement = select(Hero).where(Hero.name == "Captain North America") 7 ctx1abcdefg

52 results = session.exec(statement) 7 ctx1abcdefg

53 hero_2 = results.one() 7 ctx1abcdefg

54 print("Hero 2:", hero_2) 7 ctx1abcdefg

55 

56 hero_1.age = 16 7 ctx1abcdefg

57 hero_1.name = "Spider-Youngster" 7 ctx1abcdefg

58 session.add(hero_1) 7 ctx1abcdefg

59 

60 hero_2.name = "Captain North America Except Canada" 7 ctx1abcdefg

61 hero_2.age = 110 7 ctx1abcdefg

62 session.add(hero_2) 7 ctx1abcdefg

63 

64 session.commit() 7 ctx1abcdefg

65 session.refresh(hero_1) 7 ctx1abcdefg

66 session.refresh(hero_2) 7 ctx1abcdefg

67 

68 print("Updated hero 1:", hero_1) 7 ctx1abcdefg

69 print("Updated hero 2:", hero_2) 7 ctx1abcdefg

70 

71 

72def delete_heroes(): 7 ctx1abcdefg

73 with Session(engine) as session: 7 ctx1abcdefg

74 statement = select(Hero).where(Hero.name == "Spider-Youngster") 7 ctx1abcdefg

75 results = session.exec(statement) 7 ctx1abcdefg

76 hero = results.one() 7 ctx1abcdefg

77 print("Hero: ", hero) 7 ctx1abcdefg

78 

79 session.delete(hero) 7 ctx1abcdefg

80 session.commit() 7 ctx1abcdefg

81 

82 print("Deleted hero:", hero) 7 ctx1abcdefg

83 

84 statement = select(Hero).where(Hero.name == "Spider-Youngster") 7 ctx1abcdefg

85 results = session.exec(statement) 7 ctx1abcdefg

86 hero = results.first() 7 ctx1abcdefg

87 

88 if hero is None: 7 ctx1abcdefg

89 print("There's no hero named Spider-Youngster") 7 ctx1abcdefg

90 

91 

92def main(): 7 ctx1abcdefg

93 create_db_and_tables() 7 ctx1abcdefg

94 create_heroes() 7 ctx1abcdefg

95 update_heroes() 7 ctx1abcdefg

96 delete_heroes() 7 ctx1abcdefg

97 

98 

99if __name__ == "__main__": 7 ctx1abcdefg

100 main()