12 lines
259 B
Python
12 lines
259 B
Python
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from typing import Union
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from fastapi import FastAPI, Header
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from typing_extensions import Annotated
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app = FastAPI()
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@app.get("/items/")
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async def read_items(user_agent: Annotated[Union[str, None], Header()] = None):
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return {"User-Agent": user_agent}
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