@needs_py39
def test_openapi_schema(client: TestClient):
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "openapi": "3.1.0",
        "info": {"title": "FastAPI", "version": "0.1.0"},
        "paths": {
            "/items/{item_id}": {
                "put": {
                    "responses": {
                        "200": {

    client = get_app_client()
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "openapi": "3.1.0",
        "info": {"title": "FastAPI", "version": "0.1.0"},
        "paths": {
            "/items/": {
                "get": {
                    "summary": "Read Items",
                    "operationId": "read_items_items__get",

```Python hl_lines="2  7"
{!../../docs_src/custom_response/tutorial001b.py!}
```

/// info

Der Parameter `response_class` wird auch verwendet, um den „Medientyp“ der Response zu definieren.

In diesem Fall wird der HTTP-Header `Content-Type` auf `application/json` gesetzt.

Sie könnten das beispielsweise verwenden, um Metadaten für eine Frontend-Benutzeroberfläche usw. hinzuzufügen.

///

/// info

OpenAPI 3.1.0 (verwendet seit FastAPI 0.99.0) hat Unterstützung für `examples` hinzugefügt, was Teil des **JSON Schema** Standards ist.

    maxLength: Optional[int] = Field(default=None, ge=0)
    minLength: Optional[int] = Field(default=None, ge=0)
    pattern: Optional[str] = None
    maxItems: Optional[int] = Field(default=None, ge=0)
    minItems: Optional[int] = Field(default=None, ge=0)
    uniqueItems: Optional[bool] = None
    maxContains: Optional[int] = Field(default=None, ge=0)
    minContains: Optional[int] = Field(default=None, ge=0)

	}

	return retval, nil
}

// CpInfo returns the Istio control plane info from JSON-encoded XDS ControlPlane Identifier
func CpInfo(xdsResponse *discovery.DiscoveryResponse) pilotxds.IstioControlPlaneInstance {
	if xdsResponse.ControlPlane == nil {
		return pilotxds.IstioControlPlaneInstance{
			Component: "MISSING",
			ID:        "MISSING",
			Info: istioversion.BuildInfo{
				Version: "MISSING CP ID",
			},
		}
	}

	GetHost() string
	SetPools([]int)
	GetPools() []int
}

type localPeerS3Client struct {
	node  Node
	pools []int
}

func (l *localPeerS3Client) GetHost() string {
	return l.node.Host
}

func (l *localPeerS3Client) SetPools(p []int) {
	l.pools = make([]int, len(p))
	copy(l.pools, p)
}

func (l localPeerS3Client) GetPools() []int {
	return l.pools
}

`UploadFile` ✔️ 📄 `async` 👩‍🔬. 👫 🌐 🤙 🔗 📁 👩‍🔬 🔘 (⚙️ 🔗 `SpooledTemporaryFile`).

* `write(data)`: ✍ `data` (`str` ⚖️ `bytes`) 📁.
* `read(size)`: ✍ `size` (`int`) 🔢/🦹 📁.
* `seek(offset)`: 🚶 🔢 🧘 `offset` (`int`) 📁.
    * 🤶 Ⓜ., `await myfile.seek(0)` 🔜 🚶 ▶️ 📁.
    * 👉 ✴️ ⚠ 🚥 👆 🏃 `await myfile.read()` 🕐 & ⤴️ 💪 ✍ 🎚 🔄.
* `close()`: 🔐 📁.

🌐 👫 👩‍🔬 `async` 👩‍🔬, 👆 💪 "⌛" 👫.

                            <%-- Message --%>
                            <div>
                                <la:info id="msg" message="true">
                                    <div class="alert alert-info">${msg}</div>
                                </la:info>
                                <la:errors/>
                            </div>
                            <la:form action="/admin/searchlog/">

### Rode

Rode o servidor com:

<div class="termy">

```console
$ uvicorn main:app --reload

INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO:     Started reloader process [28720]
INFO:     Started server process [28722]
INFO:     Waiting for application startup.
INFO:     Application startup complete.
```

</div>

<details markdown="1">