from fastapi import FastAPI, Query, Path, Body from pydantic import BaseModel app = FastAPI() class Item(BaseModel): name: str description: str = None price: float tax: float = None class User(BaseModel): username: str full_name: str = None @app.put("/items/{item_id}") async def update_item( *, item_id: int, item: Item, user: User, access_token: str = Body(...), q: str = None, ): results = {"item_id": item_id, "item": item, "user": user, "access_token": access_token} if q: results.update({"q": q}) return results