pythonasyncioapiasyncfastapiframeworkjsonjson-schemaopenapiopenapi3pydanticpython-typespython3redocreststarletteswaggerswagger-uiuvicornweb
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103 lines
2.5 KiB
103 lines
2.5 KiB
from typing import Annotated, Union
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from fastapi import Depends, FastAPI, HTTPException, Query
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from sqlmodel import Field, Session, SQLModel, create_engine, select
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class HeroBase(SQLModel):
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name: str = Field(index=True)
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age: Union[int, None] = Field(default=None, index=True)
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class Hero(HeroBase, table=True):
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id: Union[int, None] = Field(default=None, primary_key=True)
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secret_name: str
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class HeroPublic(HeroBase):
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id: int
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class HeroCreate(HeroBase):
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secret_name: str
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class HeroUpdate(HeroBase):
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name: Union[str, None] = None
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age: Union[int, None] = None
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secret_name: Union[str, None] = None
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sqlite_file_name = "database.db"
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sqlite_url = f"sqlite:///{sqlite_file_name}"
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connect_args = {"check_same_thread": False}
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engine = create_engine(sqlite_url, connect_args=connect_args)
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def create_db_and_tables():
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SQLModel.metadata.create_all(engine)
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def get_session():
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with Session(engine) as session:
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yield session
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SessionDep = Annotated[Session, Depends(get_session)]
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app = FastAPI()
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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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@app.post("/heroes/", response_model=HeroPublic)
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def create_hero(hero: HeroCreate, session: SessionDep):
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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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@app.get("/heroes/", response_model=list[HeroPublic])
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def read_heroes(
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session: SessionDep,
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offset: int = 0,
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limit: Annotated[int, Query(le=100)] = 100,
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):
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heroes = session.exec(select(Hero).offset(offset).limit(limit)).all()
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return heroes
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@app.get("/heroes/{hero_id}", response_model=HeroPublic)
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def read_hero(hero_id: int, session: SessionDep):
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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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@app.patch("/heroes/{hero_id}", response_model=HeroPublic)
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def update_hero(hero_id: int, hero: HeroUpdate, session: SessionDep):
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hero_db = session.get(Hero, hero_id)
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if not hero_db:
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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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hero_db.sqlmodel_update(hero_data)
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session.add(hero_db)
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session.commit()
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session.refresh(hero_db)
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return hero_db
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@app.delete("/heroes/{hero_id}")
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def delete_hero(hero_id: int, session: SessionDep):
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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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