## Guía oficial { #official-guide }

Pydantic tiene una <a href="https://docs.pydantic.dev/latest/migration/" class="external-link" target="_blank">Guía de migración</a> oficial de v1 a v2.

                "Body_update_item_items__item_id__put": {
                    "properties": {
                        "item": {
                            "$ref": "#/components/schemas/Item",
                        },
                        "user": {
                            "$ref": "#/components/schemas/User",
                        },
                    },
                    "required": [
                        "item",

/// info | Informação

Essa resposta requer a instalação do pacote `orjson`, com o comando `pip install orjson`, por exemplo.

///

### `UJSONResponse` { #ujsonresponse }

## Pydantic `Settings` { #pydantic-settings }

Felizmente, o Pydantic fornece uma ótima utilidade para lidar com essas configurações vindas de variáveis de ambiente com <a href="https://docs.pydantic.dev/latest/concepts/pydantic_settings/" class="external-link" target="_blank">Pydantic: Settings management</a>.

### Instalar `pydantic-settings` { #install-pydantic-settings }

                        "required": True,
                        "content": {
                            "application/json": {
                                "schema": {
                                    "$ref": "#/components/schemas/Item",
                                    "examples": [
                                        {
                                            "description": "A very nice Item",

 * containers to incorporate similar functionality.
 * <p>
 * How NTLMSSP is used in conjunction with HTTP and MSIE clients is
 * described in an <A HREF="http://www.innovation.ch/java/ntlm.html">NTLM
 * Authentication Scheme for HTTP</A>.  <p> Also, read <a
 * href="../../../ntlmhttpauth.html">jCIFS NTLM HTTP Authentication and
 * the Network Explorer Servlet</a> related information.
 */

public class NtlmSsp implements NtlmFlags {

///

Параметр `status_code` приймає число, яке відповідає HTTP коду статусу.

/// info | Інформація
`status_code` також може отримувати значення з `IntEnum`, наприклад, з Python <a href="https://docs.python.org/3/library/http.html#http.HTTPStatus" class="external-link" target="_blank">`http.HTTPStatus`</a>.

///

Він буде:

* Повертати вказаний код статусу у відповіді.

 *
 * <ul>
 *   <li><a target="_parent"
 *       href="http://en.wikipedia.org/wiki/Bogon_filtering">http://en.wikipedia.
 *       org/wiki/Bogon_filtering</a>
 *   <li><a target="_parent"
 *       href="http://www.cymru.com/Bogons/ipv6.txt">http://www.cymru.com/Bogons/ ipv6.txt</a>
 *   <li><a target="_parent" href="http://www.cymru.com/Bogons/v6bogon.html">http://www.cymru.com/
 *       Bogons/v6bogon.html</a>

하지만 `Request` 객체에 직접 접근해야 하는 상황이 있을 수 있습니다.

## `Request` 객체에 대한 세부 사항

**FastAPI**는 실제로 내부에 **Starlette**을 사용하며, 그 위에 여러 도구를 덧붙인 구조입니다. 따라서 여러분이 필요할 때 Starlette의 <a href="https://www.starlette.dev/requests/" class="external-link" target="_blank">`Request`</a> 객체를 직접 사용할 수 있습니다.

   * to consider using {@link #forEachPair} instead of this method.
   *
   * <p><b>Performance note:</b> The resulting stream is not <a
   * href="http://gee.cs.oswego.edu/dl/html/StreamParallelGuidance.html">efficiently splittable</a>.
   * This may harm parallel performance.
   */
  @Beta