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* 📝 Add docs recommending Union over Optional * 📝 Update docs recommending Union over Optional * 📝 Update source examples for docs, recommend Union over Optional * 📝 Update highlighted lines with updated source examples * 📝 Update highlighted lines in Markdown with recent code changes * 📝 Update docs, use Union instead of Optional * ♻️ Update source examples to recommend Union over Optional * 🎨 Update highlighted code in Markdown after moving from Optional to Union
24 lines
486 B
Python
24 lines
486 B
Python
from typing import Union
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from fastapi import Cookie, Depends, FastAPI
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app = FastAPI()
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def query_extractor(q: Union[str, None] = None):
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return q
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def query_or_cookie_extractor(
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q: str = Depends(query_extractor),
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last_query: Union[str, None] = Cookie(default=None),
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):
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if not q:
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return last_query
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return q
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@app.get("/items/")
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async def read_query(query_or_default: str = Depends(query_or_cookie_extractor)):
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return {"q_or_cookie": query_or_default}
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