---

## FastAPI installieren

Der erste Schritt besteht aus der Installation von FastAPI.

Für dieses Tutorial empfiehlt es sich, FastAPI mit allen optionalen Abhängigkeiten und Funktionen zu installieren:

<div class="termy">

```console
$ pip install "fastapi[all]"

---> 100%
```

</div>

* Bei `PUT`-Anfragen an `/items/{item_id}` den Body als JSON lesen:
    * Prüfen, ob er ein erforderliches Attribut `name` hat, das ein `str` sein muss.
    * Prüfen, ob er ein erforderliches Attribut `price` hat, das ein `float` sein muss.
    * Prüfen, ob er ein optionales Attribut `is_offer` hat, das ein `bool` sein muss, falls vorhanden.

It is also built to work as a future reference.

So you can come back and see exactly what you need.

## Run the code

All the code blocks can be copied and used directly (they are actually tested Python files).

To run any of the examples, copy the code to a file `main.py`, and start `fastapi dev` with:

<div class="termy">

```console

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## Opinions

"_[...] I'm using **FastAPI** a ton these days. [...] I'm actually planning to use it for all of my team's **ML services at Microsoft**. Some of them are getting integrated into the core **Windows** product and some **Office** products._"

<a href="https://fastapi.tiangolo.com/fastapi-people/#sponsors" class="external-link" target="_blank">נותני חסות אחרים</a>

## דעות

"_[...] I'm using **FastAPI** a ton these days. [...] I'm actually planning to use it for all of my team's **ML services at Microsoft**. Some of them are getting integrated into the core **Windows** product and some **Office** products._"

## نظر دیگران در مورد FastAPI

<div style="text-align: left; direction: ltr;"> [...] I'm using <strong>FastAPI</strong> a ton these days. [...] I'm actually planning to use it for all of my team's <strong>ML services at Microsoft</strong>. Some of them are getting integrated into the core <strong>Windows</strong> product and some <strong>Office</strong> products."</div>

Actually, all (or most) of the web frameworks work in this same way.

You never call those functions directly. They are called by your framework (in this case, **FastAPI**).

* <a href="https://github.com/esnme/ultrajson" target="_blank"><code>ujson</code></a> - Necessário se você quer utilizar `UJSONResponse`.

Você pode instalar todas essas dependências com `pip install fastapi[all]`.

## Licença

* <a href="https://github.com/ijl/orjson" target="_blank"><code>orjson</code></a> - `ORJSONResponse` istifadə edəcəksinizsə tələb olunur.

Bütün bunları `pip install fastapi[all]` ilə quraşdıra bilərsiniz.

## Lisenziya

* <a href="https://github.com/esnme/ultrajson" target="_blank"><code>ujson</code></a> - Bắt buộc nếu bạn muốn sử dụng `UJSONResponse`.

Bạn có thể cài đặt tất cả những dependency trên với `pip install "fastapi[all]"`.

## Giấy phép