sqlmodel/docs_src/tutorial/fastapi/read_one/tutorial001.py
2021-12-28 11:48:03 +01:00

68 lines
1.5 KiB
Python

from typing import List, Optional
from fastapi import FastAPI, HTTPException
from sqlmodel import Field, Session, SQLModel, create_engine, select
class HeroBase(SQLModel):
name: str = Field(index=True)
secret_name: str
age: Optional[int] = Field(default=None, index=True)
class Hero(HeroBase, table=True):
id: Optional[int] = Field(default=None, primary_key=True)
class HeroCreate(HeroBase):
pass
class HeroRead(HeroBase):
id: int
sqlite_file_name = "database.db"
sqlite_url = f"sqlite:///{sqlite_file_name}"
connect_args = {"check_same_thread": False}
engine = create_engine(sqlite_url, echo=True, connect_args=connect_args)
def create_db_and_tables():
SQLModel.metadata.create_all(engine)
app = FastAPI()
@app.on_event("startup")
def on_startup():
create_db_and_tables()
@app.post("/heroes/", response_model=HeroRead)
def create_hero(hero: HeroCreate):
with Session(engine) as session:
db_hero = Hero.from_orm(hero)
session.add(db_hero)
session.commit()
session.refresh(db_hero)
return db_hero
@app.get("/heroes/", response_model=List[HeroRead])
def read_heroes():
with Session(engine) as session:
heroes = session.exec(select(Hero)).all()
return heroes
@app.get("/heroes/{hero_id}", response_model=HeroRead)
def read_hero(hero_id: int):
with Session(engine) as session:
hero = session.get(Hero, hero_id)
if not hero:
raise HTTPException(status_code=404, detail="Hero not found")
return hero