Coverage for docs_src/tutorial/relationship_attributes/back_populates/tutorial003_py310.py: 100%

1from sqlmodel import Field, Relationship, SQLModel, create_engine 3 ctx1abc

2 

3 

4class Weapon(SQLModel, table=True): 3 ctx1abc

5 id: int | None = Field(default=None, primary_key=True) 3 ctx1abc

6 name: str = Field(index=True) 3 ctx1abc

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8 hero: "Hero" = Relationship(back_populates="weapon") 3 ctx1abc

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11class Power(SQLModel, table=True): 3 ctx1abc

12 id: int | None = Field(default=None, primary_key=True) 3 ctx1abc

13 name: str = Field(index=True) 3 ctx1abc

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15 hero_id: int = Field(foreign_key="hero.id") 3 ctx1abc

16 hero: "Hero" = Relationship(back_populates="powers") 3 ctx1abc

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19class Team(SQLModel, table=True): 3 ctx1abc

20 id: int | None = Field(default=None, primary_key=True) 3 ctx1abc

21 name: str = Field(index=True) 3 ctx1abc

22 headquarters: str 3 ctx1abc

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24 heroes: list["Hero"] = Relationship(back_populates="team") 3 ctx1abc

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27class Hero(SQLModel, table=True): 3 ctx1abc

28 id: int | None = Field(default=None, primary_key=True) 3 ctx1abc

29 name: str = Field(index=True) 3 ctx1abc

30 secret_name: str 3 ctx1abc

31 age: int | None = Field(default=None, index=True) 3 ctx1abc

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33 team_id: int | None = Field(default=None, foreign_key="team.id") 3 ctx1abc

34 team: Team | None = Relationship(back_populates="heroes") 3 ctx1abc

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36 weapon_id: int | None = Field(default=None, foreign_key="weapon.id") 3 ctx1abc

37 weapon: Weapon | None = Relationship(back_populates="hero") 3 ctx1abc

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39 powers: list[Power] = Relationship(back_populates="hero") 3 ctx1abc

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42sqlite_file_name = "database.db" 3 ctx1abc

43sqlite_url = f"sqlite:///{sqlite_file_name}" 3 ctx1abc

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45engine = create_engine(sqlite_url, echo=True) 3 ctx1abc

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47 

48def create_db_and_tables(): 3 ctx1abc

49 SQLModel.metadata.create_all(engine) 3 ctx1abc

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51 

52def main(): 3 ctx1abc

53 create_db_and_tables() 3 ctx1abc

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56if __name__ == "__main__": 3 ctx1abc

57 main()