read_item_header() — fastapi Function Reference

Architecture documentation for the read_item_header() function in tutorial002_py39.py from the fastapi codebase.

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FastAPI→ Applications→ read_item_header() — fastapi Function Reference

Dependency Diagram

graph TD
  2402271a_33a3_c7cd_6a95_27827d349800["read_item_header()"]
  4f5e0dc5_b128_89a6_0907_18729e2ace4e["tutorial002_py39.py"]
  2402271a_33a3_c7cd_6a95_27827d349800 -->|defined in| 4f5e0dc5_b128_89a6_0907_18729e2ace4e
  style 2402271a_33a3_c7cd_6a95_27827d349800 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

docs_src/handling_errors/tutorial002_py39.py lines 9–16

async def read_item_header(item_id: str):
    if item_id not in items:
        raise HTTPException(
            status_code=404,
            detail="Item not found",
            headers={"X-Error": "There goes my error"},
        )
    return {"item": items[item_id]}