logger.info("ThumbnailGenerator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {
            logger.error("ThumbnailGenerator terminated unexpectedly.", t);
            exitCode = Constants.EXIT_FAIL;
        } finally {
            if (systemMonitorTask != null) {
                systemMonitorTask.cancel();
            }

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

---> 100%
```

</div>

**Hinweis**: Stellen Sie sicher, dass Sie `"fastapi[standard]"` in Anführungszeichen setzen, damit es in allen Terminals funktioniert.

## Beispiel { #example }

### Erstellung { #create-it }

Erstellen Sie eine Datei `main.py` mit:

```Python
from typing import Union

from fastapi import FastAPI

Cuando instalas FastAPI (por ejemplo, con `pip install "fastapi[standard]"`), incluye un paquete llamado `fastapi-cli`, este paquete proporciona el comando `fastapi` en la terminal.

Para ejecutar tu aplicación FastAPI en modo de desarrollo, puedes usar el comando `fastapi dev`:

<div class="termy">

```console

Wenn Sie FastAPI installieren (z. B. mit `pip install "fastapi[standard]"`), wird ein Package namens `fastapi-cli` mitgeliefert, das den Befehl `fastapi` im Terminal bereitstellt.

Um Ihre FastAPI-App für die Entwicklung auszuführen, können Sie den Befehl `fastapi dev` verwenden:

<div class="termy">

```console

When you install FastAPI (e.g. with `pip install "fastapi[standard]"`), it includes a package called `fastapi-cli`, this package provides the `fastapi` command in the terminal.

To run your FastAPI app for development, you can use the `fastapi dev` command:

<div class="termy">

```console
$ <font color="#4E9A06">fastapi</font> dev <u style="text-decoration-style:solid">main.py</u>

コードから直接Uvicornサーバーを実行しているため、デバッガーから直接Pythonプログラム (FastAPIアプリケーション) を呼び出せます。

---

例えば、Visual Studio Codeでは、次のことが可能です:

* 「デバッグ」パネルに移動。
* 「構成の追加...」
* 「Python」を選択。
* オプション「`Python: Current File (Integrated Terminal)`」を指定してデバッガーを実行。

すると、**FastAPI** コードでサーバーが起動され、ブレークポイントで停止したりするでしょう。

以下の様な画面になります:

<img src="/img/tutorial/debugging/image01.png">

---

Pycharmを使用する場合、次のことが可能です:

* 「実行」メニューをオープン。

                logger.info("SuggestCreator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {
            logger.error("SuggestCreator terminated unexpectedly.", t);
            exitCode = Constants.EXIT_FAIL;
        } finally {
            if (systemMonitorTask != null) {
                systemMonitorTask.cancel();
            }

        result.add(a)
        break
      }
    }
  }
  return result.toTypedArray()
}

/**
 * Returns true if there is an element in this array that is also in [other]. This method terminates
 * if any intersection is found. The sizes of both arguments are assumed to be so small, and the
 * likelihood of an intersection so great, that it is not worth the CPU cost of sorting or the
 * memory cost of hashing.
 */

Quando você instala o FastAPI (por exemplo, com `pip install "fastapi[standard]"`), isso inclui um pacote chamado `fastapi-cli`; esse pacote disponibiliza o comando `fastapi` no terminal.

Para executar sua aplicação FastAPI durante o desenvolvimento, você pode usar o comando `fastapi dev`:

<div class="termy">

```console

   * Such a sequence is referred to as "text." STX may be used to terminate a sequence of characters
   * started by SOH.
   *
   * @since 8.0
   */
  public static final byte STX = 2;

  /**
   * End of Text: A communication control character used to terminate a sequence of characters
   * started with STX and transmitted as an entity.
   *
   * @since 8.0
   */