@app.get("/items/")
async def read_items(commons: Annotated[CommonQueryParams, Depends()]):
    response = {}
    if commons.q:
        response.update({"q": commons.q})
    items = fake_items_db[commons.skip : commons.skip + commons.limit]
    response.update({"items": items})

Pour vous assurer que vous ne renvoyez pas plus de données que nécessaire, lisez les documents [Tutoriel - Modèle de réponse - Type de retour](../tutorial/response-model.md).

## Optimiser la performance des réponses - Modèle de réponse - Type de retour { #optimize-response-performance-response-model-return-type }

     *
     * @param request The servlet request
     * @param response The servlet response
     * @param chain The filter chain
     * @throws IOException If an I/O error occurs
     * @throws ServletException If a servlet error occurs
     */
    @Override
    public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
            throws IOException, ServletException {

        synchronized (transport()) {
            if (response != null) {
                response.received = false;
            }

            expiration = System.currentTimeMillis() + SmbConstants.SO_TIMEOUT;
            sessionSetup(request, response);
            if (response != null && response.received) {
                return;
            }

import org.codelibs.fess.app.web.base.FessAdminAction;
import org.codelibs.fess.helper.CurlHelper;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.ruts.process.ActionRuntime;

/**
 * Admin action for Search Request.
 *
 */
public class AdminSereqAction extends FessAdminAction {

    /**

async def read_users(user_id: int):
    pass


client = TestClient(app)


def test_read_users():
    response = client.get("/users/42")
    assert response.status_code == 200, response.text


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.json() == snapshot(
        {
            "openapi": "3.1.0",
            "info": {"title": "FastAPI", "version": "0.1.0"},

client = TestClient(app)


def test_filter_top_level_model():
    response = client.post(
        "/users", json={"email": "******@****.***", "password": "secret"}
    )
    assert response.json() == {"email": "******@****.***"}


def test_filter_second_level_model():
    response = client.get("/pets/1")
    assert response.json() == {
        "name": "Nibbler",
        "owner": {"email": "******@****.***"},

import okhttp3.Request;
import okhttp3.Response;

public final class SynchronousGet {
  private final OkHttpClient client = new OkHttpClient();

  public void run() throws Exception {
    Request request = new Request.Builder()
        .url("https://publicobject.com/helloworld.txt")
        .build();

    try (Response response = client.newCall(request).execute()) {

    logWithTime("canceled")
  }

  override fun satisfactionFailure(
    call: Call,
    response: Response,
  ) {
    logWithTime("satisfactionFailure")
  }

  override fun cacheMiss(call: Call) {
    logWithTime("cacheMiss")
  }

  override fun cacheHit(
    call: Call,
    response: Response,
  ) {
    logWithTime("cacheHit")
  }

  override fun cacheConditionalHit(

    if err == nil {
        fmt.Println("Got response with field", resp["result"])
    }
```

The wrapper will handle all serialization and de-serialization of the request and response,
and furthermore provides reuse of the structs used for the request and response.

Note that Responses sent for serialization are automatically reused for similar requests.