.url(url)
        .build();

    try (Response response = client.newCall(request).execute()) {
      return response.body().string();
    }
  }

  public static void main(String[] args) throws IOException {
    GetExample example = new GetExample();
    String response = example.run("https://raw.github.com/square/okhttp/master/README.md");
    System.out.println(response);
  }

    System.out.println("CLOSE: " + code + " " + reason);
  }

  @Override public void onFailure(WebSocket webSocket, Throwable t, Response response) {
    t.printStackTrace();
  }

  public static void main(String... args) {
    new WebSocketEcho().run();
  }

## Call `uvicorn`

In your FastAPI application, import and run `uvicorn` directly:

```Python hl_lines="1  15"
{!../../docs_src/debugging/tutorial001.py!}
```

### About `__name__ == "__main__"`

The main purpose of the `__name__ == "__main__"` is to have some code that is executed when your file is called with:

<div class="termy">

```console
$ python myapp.py
```

</div>

		echo "failed to download https://raw.githubusercontent.com/minio/mc/master/functional-tests.sh"
		exit 1
	fi

	sed -i 's|-sS|-sSg|g' "$FUNCTIONAL_TESTS"
	chmod a+x "$FUNCTIONAL_TESTS"
}

function main() {
	echo "Testing in FS setup"
	if ! run_test_fs; then
		echo "FAILED"
		purge "$WORK_DIR"
		exit 1
	fi

	echo "Testing in Erasure setup"
	if ! run_test_erasure; then
		echo "FAILED"

	httpServer.MaxHeaderBytes = DefaultMaxHeaderBytes
	return httpServer
}

// SetMinIOVersion -- MinIO version from the main package is set here
func SetMinIOVersion(version string) {
	GlobalMinIOVersion = version
}

// SetDeploymentID -- Deployment Id from the main package is set here
func SetDeploymentID(deploymentID string) {
	GlobalDeploymentID = deploymentID

Let's use the tools provided by **FastAPI** to handle security.

## How it looks

Let's first just use the code and see how it works, and then we'll come back to understand what's happening.

## Create `main.py`

Copy the example in a file `main.py`:

//// tab | Python 3.9+

```Python
{!> ../../docs_src/security/tutorial001_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python

        "_internal-slim-build"
    ]["packages"].get(TIANGOLO_BUILD_PACKAGE)
    if not config:
        return
    project_config: Dict[str, Any] = config["project"]
    # Override main [project] configs with custom configs for this package
    for key, value in project_config.items():

						</data>
						<!-- Add bin directory -->
						<data>
							<type>files</type>
							<paths>
								<path>${project.basedir}/src/main/assemblies/files/fess</path>
								<path>${project.basedir}/src/main/assemblies/files/fess.in.sh</path>
								<path>${project.basedir}/src/main/assemblies/files/generate-thumbnail</path>
								<path>${project.basedir}/plugin.xml</path>
							</paths>

# (1)
COPY ./main.py /code/

# (2)
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "80"]
```

1. Скопируйте непосредственно файл `main.py` в директорию `/code` (не указывайте `./app`).

2. При запуске Uvicorn укажите ему, что объект `app` нужно импортировать из файла `main` (вместо импортирования из `app.main`).

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