{* ../../docs_src/events/tutorial002_py39.py hl[6] *}

Aquí, la función manejadora del evento `shutdown` escribirá una línea de texto `"Application shutdown"` a un archivo `log.txt`.

/// info | Información

En la función `open()`, el `mode="a"` significa "añadir", por lo tanto, la línea será añadida después de lo que sea que esté en ese archivo, sin sobrescribir el contenido anterior.

///

            "name": "The Baz"
        }
    ]
}
```

/// info | 정보

`images` 키가 어떻게 이미지 객체 리스트를 갖는지 주목하세요.

///

## 깊게 중첩된 모델

단독으로 깊게 중첩된 모델을 정의할 수 있습니다:

{* ../../docs_src/body_nested_models/tutorial007.py hl[9,14,20,23,27] *}

/// info | 정보

`Offer`가 선택사항 `Image` 리스트를 차례로 갖는 `Item` 리스트를 어떻게 가지고 있는지 주목하세요

///

## 순수 리스트의 본문

	entitlementsPath := filepath.Join(tmpdir, "Entitlements.plist")
	if err := os.WriteFile(entitlementsPath, []byte(entitlementsPlist()), 0744); err != nil {
		return err
	}
	if err := os.WriteFile(filepath.Join(appdir, "Info.plist"), []byte(infoPlist(pkgpath)), 0744); err != nil {
		return err
	}
	if err := os.WriteFile(filepath.Join(appdir, "ResourceRules.plist"), []byte(resourceRules), 0744); err != nil {
		return err
	}
	return nil

pkg go/types, method (*Alias) String() string #63223
pkg go/types, method (*Alias) Underlying() Type #63223
pkg go/types, method (*Info) PkgNameOf(*ast.ImportSpec) *PkgName #62037
pkg go/types, method (Checker) PkgNameOf(*ast.ImportSpec) *PkgName #62037
pkg go/types, type Alias struct #63223
pkg go/types, type Info struct, FileVersions map[*ast.File]string #62605
pkg go/version, func Compare(string, string) int #62039

    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == snapshot(
        {
            "openapi": "3.1.0",
            "info": {"title": "FastAPI", "version": "0.1.0"},
            "paths": {
                "/me": {
                    "get": {
                        "summary": "Read Me",
                        "operationId": "read_me_me_get",

Sunucuyu aşağıdaki komutla çalıştıralım:

<div class="termy">

```console
$ uvicorn main:app --reload

INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO:     Started reloader process [28720]
INFO:     Started server process [28722]
INFO:     Waiting for application startup.
INFO:     Application startup complete.
```

</div>

<details markdown="1">

	defer updateOSMetrics(osMetricOpenFileDirectIO, name)(err)
	return disk.OpenFileDirectIO(name, flag, perm)
}

// Lstat captures time taken to call os.Lstat
func Lstat(name string) (info os.FileInfo, err error) {
	defer updateOSMetrics(osMetricLstat, name)(err)
	return os.Lstat(name)
}

// Remove captures time taken to call os.Remove
func Remove(deletePath string) (err error) {

	files, err := os.ReadDir(store.directory)
	if err != nil {
		return nil, err
	}

	// Sort the entries.
	sort.Slice(files, func(i, j int) bool {
		ii, err := files[i].Info()
		if err != nil {
			return false
		}
		ji, err := files[j].Info()
		if err != nil {
			return true
		}
		return ii.ModTime().Before(ji.ModTime())
	})

	return files, nil

 ╰─────────────────────────────────────────────────────╯

INFO:     Will watch for changes in these directories: ['/home/user/code/awesomeapp']
INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO:     Started reloader process [2248755] using WatchFiles
INFO:     Started server process [2248757]
INFO:     Waiting for application startup.
INFO:     Application startup complete.
```

</div>

def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == snapshot(
        {
            "openapi": "3.1.0",
            "info": {"title": "FastAPI", "version": "0.1.0"},
            "servers": [
                {"url": "/", "description": "Default, relative server"},
                {