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			100 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from typing import Optional
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| 
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| from fastapi import FastAPI, HTTPException, Query
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| from sqlmodel import Field, Session, SQLModel, create_engine, select
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| 
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| 
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| class HeroBase(SQLModel):
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|     name: str = Field(index=True)
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|     secret_name: str
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|     age: Optional[int] = Field(default=None, index=True)
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| 
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| 
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| class Hero(HeroBase, table=True):
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|     id: Optional[int] = Field(default=None, primary_key=True)
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| 
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| 
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| class HeroCreate(HeroBase):
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|     pass
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| 
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| 
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| class HeroPublic(HeroBase):
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|     id: int
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| 
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| 
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| class HeroUpdate(SQLModel):
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|     name: Optional[str] = None
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|     secret_name: Optional[str] = None
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|     age: Optional[int] = None
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| 
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| 
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| sqlite_file_name = "database.db"
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| sqlite_url = f"sqlite:///{sqlite_file_name}"
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| 
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| connect_args = {"check_same_thread": False}
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| engine = create_engine(sqlite_url, echo=True, connect_args=connect_args)
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| 
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| 
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| def create_db_and_tables():
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|     SQLModel.metadata.create_all(engine)
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| 
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| 
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| app = FastAPI()
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| 
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| 
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| @app.on_event("startup")
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| def on_startup():
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|     create_db_and_tables()
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| 
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| 
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| @app.post("/heroes/", response_model=HeroPublic)
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| def create_hero(hero: HeroCreate):
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|     with Session(engine) as session:
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|         db_hero = Hero.model_validate(hero)
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|         session.add(db_hero)
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|         session.commit()
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|         session.refresh(db_hero)
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|         return db_hero
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| 
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| 
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| @app.get("/heroes/", response_model=list[HeroPublic])
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| def read_heroes(offset: int = 0, limit: int = Query(default=100, le=100)):
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|     with Session(engine) as session:
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|         heroes = session.exec(select(Hero).offset(offset).limit(limit)).all()
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|         return heroes
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| 
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| 
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| @app.get("/heroes/{hero_id}", response_model=HeroPublic)
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| def read_hero(hero_id: int):
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|     with Session(engine) as session:
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|         hero = session.get(Hero, hero_id)
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|         if not hero:
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|             raise HTTPException(status_code=404, detail="Hero not found")
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|         return hero
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| 
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| 
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| @app.patch("/heroes/{hero_id}", response_model=HeroPublic)
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| def update_hero(hero_id: int, hero: HeroUpdate):
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|     with Session(engine) as session:
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|         db_hero = session.get(Hero, hero_id)
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|         if not db_hero:
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|             raise HTTPException(status_code=404, detail="Hero not found")
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|         hero_data = hero.model_dump(exclude_unset=True)
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|         for key, value in hero_data.items():
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|             setattr(db_hero, key, value)
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|         session.add(db_hero)
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|         session.commit()
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|         session.refresh(db_hero)
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|         return db_hero
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| 
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| 
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| @app.delete("/heroes/{hero_id}")
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| def delete_hero(hero_id: int):
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|     with Session(engine) as session:
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|         hero = session.get(Hero, hero_id)
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|         if not hero:
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|             raise HTTPException(status_code=404, detail="Hero not found")
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|         session.delete(hero)
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|         session.commit()
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|         return {"ok": True}
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