upsert_item() — fastapi Function Reference

Architecture documentation for the upsert_item() function in tutorial001_an_py310.py from the fastapi codebase.

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FastAPI→ Applications→ upsert_item() — fastapi Function Reference

Dependency Diagram

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  65b93b54_c226_4d68_4f64_d0618be558b5["upsert_item()"]
  1a2832b7_389e_add1_d53f_2a923e640d40["tutorial001_an_py310.py"]
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Source Code

docs_src/additional_status_codes/tutorial001_an_py310.py lines 12–25

async def upsert_item(
    item_id: str,
    name: Annotated[str | None, Body()] = None,
    size: Annotated[int | None, Body()] = None,
):
    if item_id in items:
        item = items[item_id]
        item["name"] = name
        item["size"] = size
        return item
    else:
        item = {"name": name, "size": size}
        items[item_id] = item
        return JSONResponse(status_code=status.HTTP_201_CREATED, content=item)