Coverage for docs_src/tutorial/relationship_attributes/back_populates/tutorial003_py39.py: 100%

1from typing import Optional 5 ctx1abcde

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3from sqlmodel import Field, Relationship, SQLModel, create_engine 5 ctx1abcde

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6class Weapon(SQLModel, table=True): 5 ctx1abcde

7 id: Optional[int] = Field(default=None, primary_key=True) 5 ctx1abcde

8 name: str = Field(index=True) 5 ctx1abcde

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10 hero: "Hero" = Relationship(back_populates="weapon") 5 ctx1abcde

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13class Power(SQLModel, table=True): 5 ctx1abcde

14 id: Optional[int] = Field(default=None, primary_key=True) 5 ctx1abcde

15 name: str = Field(index=True) 5 ctx1abcde

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17 hero_id: int = Field(foreign_key="hero.id") 5 ctx1abcde

18 hero: "Hero" = Relationship(back_populates="powers") 5 ctx1abcde

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21class Team(SQLModel, table=True): 5 ctx1abcde

22 id: Optional[int] = Field(default=None, primary_key=True) 5 ctx1abcde

23 name: str = Field(index=True) 5 ctx1abcde

24 headquarters: str 5 ctx1abcde

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26 heroes: list["Hero"] = Relationship(back_populates="team") 5 ctx1abcde

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28 

29class Hero(SQLModel, table=True): 5 ctx1abcde

30 id: Optional[int] = Field(default=None, primary_key=True) 5 ctx1abcde

31 name: str = Field(index=True) 5 ctx1abcde

32 secret_name: str 5 ctx1abcde

33 age: Optional[int] = Field(default=None, index=True) 5 ctx1abcde

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35 team_id: Optional[int] = Field(default=None, foreign_key="team.id") 5 ctx1abcde

36 team: Optional[Team] = Relationship(back_populates="heroes") 5 ctx1abcde

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38 weapon_id: Optional[int] = Field(default=None, foreign_key="weapon.id") 5 ctx1abcde

39 weapon: Optional[Weapon] = Relationship(back_populates="hero") 5 ctx1abcde

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41 powers: list[Power] = Relationship(back_populates="hero") 5 ctx1abcde

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44sqlite_file_name = "database.db" 5 ctx1abcde

45sqlite_url = f"sqlite:///{sqlite_file_name}" 5 ctx1abcde

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47engine = create_engine(sqlite_url, echo=True) 5 ctx1abcde

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49 

50def create_db_and_tables(): 5 ctx1abcde

51 SQLModel.metadata.create_all(engine) 5 ctx1abcde

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53 

54def main(): 5 ctx1abcde

55 create_db_and_tables() 5 ctx1abcde

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57 

58if __name__ == "__main__": 5 ctx1abcde

59 main()