query_or_cookie_extractor() — fastapi Function Reference

Architecture documentation for the query_or_cookie_extractor() function in tutorial005_py310.py from the fastapi codebase.

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FastAPI→ Applications→ query_or_cookie_extractor() — fastapi Function Reference

Dependency Diagram

graph TD
  98c015be_638b_433c_4b59_84f1bad3b9bc["query_or_cookie_extractor()"]
  e2b9cf3c_29b7_9671_8203_f71c87b45ee1["tutorial005_py310.py"]
  98c015be_638b_433c_4b59_84f1bad3b9bc -->|defined in| e2b9cf3c_29b7_9671_8203_f71c87b45ee1
  style 98c015be_638b_433c_4b59_84f1bad3b9bc fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

docs_src/dependencies/tutorial005_py310.py lines 10–15

def query_or_cookie_extractor(
    q: str = Depends(query_extractor), last_query: str | None = Cookie(default=None)
):
    if not q:
        return last_query
    return q