fastapi-master/docs_src/dependencies/tutorial005_an_py39.py
lqs d20566fe07
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init
2024-08-24 04:41:47 +00:00

26 lines
529 B
Python

from typing import Annotated, Union
from fastapi import Cookie, Depends, FastAPI
app = FastAPI()
def query_extractor(q: Union[str, None] = None):
return q
def query_or_cookie_extractor(
q: Annotated[str, Depends(query_extractor)],
last_query: Annotated[Union[str, None], Cookie()] = None,
):
if not q:
return last_query
return q
@app.get("/items/")
async def read_query(
query_or_default: Annotated[str, Depends(query_or_cookie_extractor)],
):
return {"q_or_cookie": query_or_default}