#### Data "schema"

The term "schema" might also refer to the shape of some data, like a JSON content.

In that case, it would mean the JSON attributes, and data types they have, etc.

#### OpenAPI and JSON Schema

* <a href="https://github.com/Kludex/python-multipart" target="_blank"><code>python-multipart</code></a> - Követelmény ha <abbr title="converting the string that comes from an HTTP request into Python data">"parsing"</abbr>-ot akarsz támogatni, `request.form()`-al.
* <a href="https://pythonhosted.org/itsdangerous/" target="_blank"><code>itsdangerous</code></a> - Követelmény `SessionMiddleware` támogatáshoz.

* <a href="https://www.starlette.io/" class="external-link" target="_blank">Starlette</a> cho phần web.
* <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a> cho phần data.

## Cài đặt

<div class="termy">

```console
$ pip install fastapi

---> 100%
```

</div>

```

... àti pẹ̀lú ìkéde kan ṣoṣo yẹn ìwọ yóò gbà:

* Atilẹyin olootu, pẹ̀lú:
    * Pipari.
    * Àyẹ̀wò irúfẹ́ àmì ìtọ́kasí.
* Ìfọwọ́sí àkójọf'áyẹ̀wò (i.e. data):
    * Aṣiṣe alaifọwọyi/aládàáṣiṣẹ́ àti aṣiṣe ti ó hàn kedere nígbàtí àwọn àkójọf'áyẹ̀wò (i.e. data) kò wulo tabi tí kò fẹsẹ̀ múlẹ̀.
    * Ìfọwọ́sí fún ohun elo JSON tí ó jìn gan-an.

## Tələblər

FastAPI nəhənglərin çiyinlərində dayanır:

* Web tərəfi üçün <a href="https://www.starlette.io/" class="external-link" target="_blank">Starlette</a>.
* Data tərəfi üçün <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a>.

## Quraşdırma

<div class="termy">

```console
$ pip install fastapi

---> 100%
```

- <a href="https://github.com/Kludex/python-multipart" target="_blank"><code>python-multipart</code></a> - <abbr title="converting the string that comes from an HTTP request into Python data">"parsing"</abbr>`request.form()`からの変換をサポートしたい場合は必要です。
- <a href="https://pythonhosted.org/itsdangerous/" target="_blank"><code>itsdangerous</code></a> - `SessionMiddleware` サポートのためには必要です。

* **Kodlaması Hızlı**: Geliştirme hızını yaklaşık %200 ile %300 aralığında arttırır. *
* **Daha az hata**: İnsan (geliştirici) kaynaklı hataları yaklaşık %40 azaltır. *
* **Sezgisel**: Muhteşem bir editör desteği. Her yerde <abbr title="Otomatik Tamamlama: auto-complete, autocompletion, IntelliSense">otomatik tamamlama</abbr>. Hata ayıklama ile daha az zaman harcayacaksınız.

* Editor support, including:
    * Completion.
    * Type checks.
* Validation of data:
    * Automatic and clear errors when the data is invalid.
    * Validation even for deeply nested JSON objects.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of input data: coming from the network to Python data and types. Reading from:
    * JSON.
    * Path parameters.
    * Query parameters.

* Editor support, including:
    * Completion.
    * Type checks.
* Validation of data:
    * Automatic and clear errors when the data is invalid.
    * Validation even for deeply nested JSON objects.
* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of input data: coming from the network to Python data and types. Reading from:
    * JSON.
    * Path parameters.
    * Query parameters.

Next it will convert and validate the data. So, when you use that `settings` object, you will have data of the types you declared (e.g. `items_per_user` will be an `int`).

### Use the `settings`

Then you can use the new `settings` object in your application:

```Python hl_lines="18-20"