<a href=“https://github.com/florimondmanca/msgpack-asgi” class=“external-link” target=“_blank”>MessagePack</a>

    * `Path()`
    * `Query()`
    * `Header()`
    * `Cookie()`

### Use cases: external service { #use-cases-external-service }

An example could be that you have an external authentication provider that you need to call.

You send it a token and it returns an authenticated user.

예시:

* <a href="https://code.visualstudio.com/docs/python/environments#_select-and-activate-an-environment" class="external-link" target="_blank">VS Code</a>
* <a href="https://www.jetbrains.com/help/pycharm/creating-virtual-environment.html" class="external-link" target="_blank">PyCharm</a>

/// tip | 팁

이 설정은 보통 가상 환경을 **처음 만들었을 때 한 번만** 해주면 됩니다.

///

## 가상 환경 비활성화

```

</div>

/// tip

You can read more about it at <a href="https://12factor.net/config" class="external-link" target="_blank">The Twelve-Factor App: Config</a>.

///

## Types and Validation { #types-and-validation }

///

////

//// tab | Pydantic v1

{* ../../docs_src/settings/app03_an/config_pv1.py hl[9:10] *}

/// tip | Dica

A classe `Config` é usada apenas para configuração do Pydantic. Você pode ler mais em <a href="https://docs.pydantic.dev/1.10/usage/model_config/" class="external-link" target="_blank">Pydantic Model Config</a>.

## ⚙️ `jsonable_encoder`

➡️ 🌈 👈 👆 ✔️ 💽 `fake_db` 👈 🕴 📨 🎻 🔗 💽.

🖼, ⚫️ 🚫 📨 `datetime` 🎚, 👈 🚫 🔗 ⏮️ 🎻.

, `datetime` 🎚 🔜 ✔️ 🗜 `str` ⚗ 💽 <a href="https://en.wikipedia.org/wiki/ISO_8601" class="external-link" target="_blank">💾 📁</a>.

🎏 🌌, 👉 💽 🚫🔜 📨 Pydantic 🏷 (🎚 ⏮️ 🔢), 🕴 `dict`.

👆 💪 ⚙️ `jsonable_encoder` 👈.

⚫️ 📨 🎚, 💖 Pydantic 🏷, &amp; 📨 🎻 🔗 ⏬:

**Typer** a FastAPI kistestvére. A **CLI-k FastAPI-ja**. ⌨️ 🚀

## Követelmények

A FastAPI óriások vállán áll:

* <a href="https://www.starlette.io/" class="external-link" target="_blank">Starlette</a> a webes részekhez.
* <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a> az adat részekhez.

`TestClient` основан на <a href="https://www.python-httpx.org" class="external-link" target="_blank">HTTPX</a>, и, к счастью, мы можем использовать его (`HTTPX`) напрямую для тестирования API.

## Пример

В качестве простого примера, давайте рассмотрим файловую структуру, схожую с описанной в [Большие приложения](../tutorial/bigger-applications.md){.internal-link target=_blank} и [Тестирование](../tutorial/testing.md){.internal-link target=_blank}:

```
.
├── app

Es basiert auf <a href="https://www.python-httpx.org" class="external-link" target="_blank">HTTPX</a>, welches wiederum auf der Grundlage von requests konzipiert wurde, es ist also sehr vertraut und intuitiv.