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* 起動およびシャットダウンイベント
* `httpx`に基づいて構築されたテストクライアント
* **CORS**、GZip、静的ファイル、ストリーミング応答
* **セッションとCookie**のサポート
* テストカバレッジ100%
* 型アノテーション100%のコードベース

## Pydanticの特徴

**FastAPI**は<a href="https://docs.pydantic.dev/" class="external-link" target="_blank"><strong>Pydantic </strong></a>と完全に互換性があります（そしてベースになっています）。したがって、追加のPydanticコードがあれば、それも機能します。

    👀 👈 `User`, Pydantic *🏷* 👈 🔜 ⚙️ 🕐❔ 👂 👩‍💻 (🛬 ⚫️ ⚪️➡️ 🛠️) 🚫 🔌 `password`.

### ⚙️ Pydantic `orm_mode`

🔜, Pydantic *🏷* 👂, `Item` & `User`, 🚮 🔗 `Config` 🎓.

👉 <a href="https://docs.pydantic.dev/latest/api/config/" class="external-link" target="_blank">`Config`</a> 🎓 ⚙️ 🚚 📳 Pydantic.

`Config` 🎓, ⚒ 🔢 `orm_mode = True`.

=== "🐍 3️⃣.6️⃣ &amp; 🔛"

    ```Python hl_lines="15  19-20  31  36-37"

Beispielsweise könnten Sie <a href="https://speakeasyapi.dev/?utm_source=fastapi+repo&utm_medium=github+sponsorship" class="external-link" target="_blank">Speakeasy</a> ausprobieren.

```

</div>

<details markdown="1">
<summary>About the command <code>fastapi dev main.py</code>...</summary>

The command `fastapi dev` reads your `main.py` file, detects the **FastAPI** app in it, and starts a server using <a href="https://www.uvicorn.org" class="external-link" target="_blank">Uvicorn</a>.

By default, `fastapi dev` will start with auto-reload enabled for local development.

      "loc": [
        "path",
        "item_id"
      ],
      "msg": "Input should be a valid integer, unable to parse string as an integer",
      "input": "foo",
      "url": "https://errors.pydantic.dev/2.1/v/int_parsing"
    }
  ]
}
```

Çünkü burada `item_id` yol parametresi `int` tipinde bir değer beklerken `"foo"` yani `string` tipinde bir değer almıştı.

## Requisitos

FastAPI está sobre los hombros de gigantes:

* <a href="https://www.starlette.io/" class="external-link" target="_blank">Starlette</a> para las partes web.
* <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a> para las partes de datos.

## Instalación

<div class="termy">

```console
$ pip install fastapi

---> 100%
```

</div>