@app.middleware("http")
async def custom_middleware(
    request: Request, call_next: Callable[[Request], Awaitable[Response]]
):
    response = await call_next(request)
    response.headers["custom"] = "foo"
    return response


@app.get("/user", dependencies=[Depends(set_up_request_state_dependency)])
def get_user():
    request_state = legacy_request_state_context_var.get()
    assert request_state

Це означатиме, що  **FastAPI**  очікуватиме тіло запиту такого вигляду:

```JSON
{
    "name": "Foo",
    "description": "The pretender",
    "price": 42.0,
    "tax": 3.2,
    "tags": ["rock", "metal", "bar"],
    "image": {
        "url": "http://example.com/baz.jpg",
        "name": "The Foo live"
    }
}
```

Завдяки такій декларації у **FastAPI** Ви отримуєте:

如果客户尝试发送一些**额外的 cookie**，他们将收到**错误**响应。

可怜的 cookie 通知条，费尽心思为了获得您的同意，却被<abbr title="这又是一个笑话，别管我了，给您的小饼干（cookie）配上点咖啡吧。☕">API 拒绝了</abbr>。🍪

例如，如果客户端尝试发送一个值为 `good-list-please` 的 `santa_tracker` cookie，客户端将收到一个**错误**响应，告知他们 `santa_tracker` <abbr title="圣诞老人（Santa）不赞成没有小饼干（cookie）。🎅 好吧，不会再开 cookie 的玩笑了。">cookie 是不允许的</abbr>：

```json
{
    "detail": [
        {

So we have a dedicated thread for every socket that just reads frames and dispatches them.

                </div>
            </la:form>
        </section>
    </main>
    <jsp:include page="/WEB-INF/view/common/admin/footer.jsp"></jsp:include>
</div>
<jsp:include page="/WEB-INF/view/common/admin/foot.jsp"></jsp:include>
</body>

 *
 * <p>{@code contains(x)}, {@code add(x)} and {@code remove(x)}, are all (expected and amortized)
 * constant time operations. Expected in the hashtable sense (depends on the hash function doing a
 * good job of distributing the elements to the buckets to a distribution not far from uniform), and
 * amortized since some operations can trigger a hash table resize.
 *

 *
 * <p>{@code contains(x)}, {@code add(x)} and {@code remove(x)}, are all (expected and amortized)
 * constant time operations. Expected in the hashtable sense (depends on the hash function doing a
 * good job of distributing the elements to the buckets to a distribution not far from uniform), and
 * amortized since some operations can trigger a hash table resize.
 *

      }
      append(" HTTP/1.1")
    }

  /**
   * Returns true if the request line should contain the full URL with host and port (like "GET
   * http://android.com/foo HTTP/1.1") or only the path (like "GET /foo HTTP/1.1").
   */
  private fun includeAuthorityInRequestLine(
    request: Request,
    proxyType: Proxy.Type,
  ): Boolean = !request.isHttps && proxyType == Proxy.Type.HTTP

  /**

    client = TestClient(mod.app)
    return client


@pytest.mark.parametrize(
    ("path", "expected_json"),
    [
        (
            "/items/foo",
            {
                "item_id": "foo",
                "description": "This is an amazing item that has a long description",
            },
        ),
        (
            "/items/bar?q=somequery",
            {

    client = TestClient(mod.app)
    return client


@pytest.mark.parametrize(
    ("path", "expected_json"),
    [
        (
            "/users/123/items/foo",
            {
                "item_id": "foo",
                "owner_id": 123,
                "description": "This is an amazing item that has a long description",
            },
        ),
        (