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

1from typing import Optional 9 ctx1abcdefghi

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3from sqlmodel import Field, Relationship, SQLModel, create_engine 9 ctx1abcdefghi

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6class Weapon(SQLModel, table=True): 9 ctx1abcdefghi

7 id: Optional[int] = Field(default=None, primary_key=True) 9 ctx1abcdefghi

8 name: str = Field(index=True) 9 ctx1abcdefghi

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10 hero: "Hero" = Relationship(back_populates="weapon") 9 ctx1abcdefghi

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13class Power(SQLModel, table=True): 9 ctx1abcdefghi

14 id: Optional[int] = Field(default=None, primary_key=True) 9 ctx1abcdefghi

15 name: str = Field(index=True) 9 ctx1abcdefghi

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17 hero_id: int = Field(foreign_key="hero.id") 9 ctx1abcdefghi

18 hero: "Hero" = Relationship(back_populates="powers") 9 ctx1abcdefghi

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21class Team(SQLModel, table=True): 9 ctx1abcdefghi

22 id: Optional[int] = Field(default=None, primary_key=True) 9 ctx1abcdefghi

23 name: str = Field(index=True) 9 ctx1abcdefghi

24 headquarters: str 9 ctx1abcdefghi

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26 heroes: list["Hero"] = Relationship(back_populates="team") 9 ctx1abcdefghi

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29class Hero(SQLModel, table=True): 9 ctx1abcdefghi

30 id: Optional[int] = Field(default=None, primary_key=True) 9 ctx1abcdefghi

31 name: str = Field(index=True) 9 ctx1abcdefghi

32 secret_name: str 9 ctx1abcdefghi

33 age: Optional[int] = Field(default=None, index=True) 9 ctx1abcdefghi

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35 team_id: Optional[int] = Field(default=None, foreign_key="team.id") 9 ctx1abcdefghi

36 team: Optional[Team] = Relationship(back_populates="heroes") 9 ctx1abcdefghi

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38 weapon_id: Optional[int] = Field(default=None, foreign_key="weapon.id") 9 ctx1abcdefghi

39 weapon: Optional[Weapon] = Relationship(back_populates="hero") 9 ctx1abcdefghi

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41 powers: list[Power] = Relationship(back_populates="hero") 9 ctx1abcdefghi

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44sqlite_file_name = "database.db" 9 ctx1abcdefghi

45sqlite_url = f"sqlite:///{sqlite_file_name}" 9 ctx1abcdefghi

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47engine = create_engine(sqlite_url, echo=True) 9 ctx1abcdefghi

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50def create_db_and_tables(): 9 ctx1abcdefghi

51 SQLModel.metadata.create_all(engine) 9 ctx1jklmnopqr

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54def main(): 9 ctx1abcdefghi

55 create_db_and_tables() 9 ctx1jklmnopqr

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58if __name__ == "__main__": 9 ctx1abcdefghi

59 main()