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---

## **Typer**, فریم‌ورکی معادل FastAPI برای کار با <abbr title="CLI (Command Line Interface)">واسط خط فرمان</abbr>

<a href="https://typer.tiangolo.com" target="_blank"><img src="https://typer.tiangolo.com/img/logo-margin/logo-margin-vector.svg" style="width: 20%;"></a>

## Check it { #check-it }

Run the server and go to the docs: <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

You'll see the user interface like:

<img src="/img/tutorial/security/image07.png">

Authorize the application the same way as before.

Using the credentials:

Username: `johndoe`
Password: `secret`

/// check

 * It is responsible for fetching URLs from the queue, accessing the content,
 * processing the response, and extracting child URLs.
 *
 * <p>
 * This class implements the {@link Runnable} interface, allowing it to be executed in a separate thread.
 * It uses various services and components, such as {@link UrlQueueService}, {@link DataService},