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from typing import Union
from fastapi import FastAPI
from pydantic import BaseModel
app = FastAPI()
class BaseItem(BaseModel):
description: str
type: str
class CarItem(BaseItem):
type: str = "car"
class PlaneItem(BaseItem):
type: str = "plane"
size: int
items = {
"item1": {"description": "All my friends drive a low rider", "type": "car"},
"item2": {
"description": "Music is my aeroplane, it's my aeroplane",
"type": "plane",
"size": 5,
},
}
@app.get("/items/{item_id}", response_model=Union[PlaneItem, CarItem])
async def read_item(item_id: str):
return items[item_id]
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