upsert_item() — fastapi Function Reference

Architecture documentation for the upsert_item() function in tutorial001_py310.py from the fastapi codebase.

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FastAPI→ Applications→ upsert_item() — fastapi Function Reference

Dependency Diagram

graph TD
  815f0c3d_781d_d28c_eb63_3e837e92f0f5["upsert_item()"]
  00858b0f_a247_db13_5645_aa6771c60e93["tutorial001_py310.py"]
  815f0c3d_781d_d28c_eb63_3e837e92f0f5 -->|defined in| 00858b0f_a247_db13_5645_aa6771c60e93
  style 815f0c3d_781d_d28c_eb63_3e837e92f0f5 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

docs_src/additional_status_codes/tutorial001_py310.py lines 10–23

async def upsert_item(
    item_id: str,
    name: str | None = Body(default=None),
    size: int | None = Body(default=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)