pythonasyncioapiasyncfastapiframeworkjsonjson-schemaopenapiopenapi3pydanticpython-typespython3redocreststarletteswaggerswagger-uiuvicornweb
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73 lines
1.8 KiB
73 lines
1.8 KiB
from contextlib import asynccontextmanager
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from typing import List, 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 Hero(SQLModel, table=True):
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id: Union[int, None] = Field(default=None, primary_key=True)
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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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secret_name: str
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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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@asynccontextmanager
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async def lifespan(app: FastAPI):
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create_db_and_tables()
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yield
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app = FastAPI(lifespan=lifespan)
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@app.post("/heroes/")
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def create_hero(hero: Hero, session: Session = Depends(get_session)) -> Hero:
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session.add(hero)
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session.commit()
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session.refresh(hero)
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return hero
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@app.get("/heroes/")
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def read_heroes(
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session: Session = Depends(get_session),
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offset: int = 0,
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limit: int = Query(default=100, le=100),
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) -> List[Hero]:
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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}")
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def read_hero(hero_id: int, session: Session = Depends(get_session)) -> Hero:
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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.delete("/heroes/{hero_id}")
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def delete_hero(hero_id: int, session: Session = Depends(get_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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