read_items() — fastapi Function Reference

Architecture documentation for the read_items() function in tutorial015_an_py310.py from the fastapi codebase.

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FastAPI→ Applications→ read_items() — fastapi Function Reference

Dependency Diagram

graph TD
  31cb2574_deb6_136e_a8f1_bc46a808ab3e["read_items()"]
  98435e8a_7042_b057_13ea_1f22b38e3438["tutorial015_an_py310.py"]
  31cb2574_deb6_136e_a8f1_bc46a808ab3e -->|defined in| 98435e8a_7042_b057_13ea_1f22b38e3438
  style 31cb2574_deb6_136e_a8f1_bc46a808ab3e fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

docs_src/query_params_str_validations/tutorial015_an_py310.py lines 23–30

async def read_items(
    id: Annotated[str | None, AfterValidator(check_valid_id)] = None,
):
    if id:
        item = data.get(id)
    else:
        id, item = random.choice(list(data.items()))
    return {"id": id, "name": item}