예를 들어 `config.py` 파일을 다음처럼 만들 수 있습니다:

{* ../../docs_src/settings/app01_py310/config.py *}

그리고 `main.py` 파일에서 이를 사용합니다:

{* ../../docs_src/settings/app01_py310/main.py hl[3,11:13] *}

/// tip | 팁

[더 큰 애플리케이션 - 여러 파일](../tutorial/bigger-applications.md)에서 본 것처럼 `__init__.py` 파일도 필요합니다.

///

## 의존성에서 설정 사용하기 { #settings-in-a-dependency }

func CallerFrame() runtime.Frame {
	// Preserve the original CallerFrame stack depth after introducing callerFrame().
	return callerFrame(4)
}

func callerFrame(skip int) runtime.Frame {
	pcs := [13]uintptr{}
	// skip is caller-path sensitive and should be selected by each public helper.
	len := runtime.Callers(skip, pcs[:])
	frames := runtime.CallersFrames(pcs[:len])
	for i := 0; i < len; i++ {

    // Skipping 20
    assertEquals((Integer) 11, it.next());
    // Not skipping 400, because it moved back down
    assertEquals((Integer) 400, it.next());
    assertEquals((Integer) 13, it.next());
    assertEquals((Integer) 200, it.next());
    assertEquals((Integer) 300, it.next());
    // Last from forgetMeNot.
    assertEquals((Integer) 500, it.next());
  }

生成したスキーマを保持する「キャッシュ」として `.openapi_schema` プロパティを利用できます。

こうすることで、ユーザーが API ドキュメントを開くたびにスキーマを生成する必要がなくなります。

最初の1回だけ生成され、その後は同じキャッシュ済みスキーマが以降のリクエストで使われます。

{* ../../docs_src/extending_openapi/tutorial001_py310.py hl[13:14,25:26] *}

### メソッドの上書き { #override-the-method }

これで、`.openapi()` メソッドを新しい関数に置き換えられます。

{* ../../docs_src/extending_openapi/tutorial001_py310.py hl[29] *}

### 確認 { #check-it }

      sipRound(c);
      v0 ^= m;
    }

    private void sipRound(int iterations) {
      for (int i = 0; i < iterations; i++) {
        v0 += v1;
        v2 += v3;
        v1 = Long.rotateLeft(v1, 13);
        v3 = Long.rotateLeft(v3, 16);
        v1 ^= v0;
        v3 ^= v2;
        v0 = Long.rotateLeft(v0, 32);
        v2 += v1;
        v0 += v3;
        v1 = Long.rotateLeft(v1, 17);

	}
	// as per the doc, only 11 fields are guaranteed
	// only set if available
	if len(stats) > 14 {
		iostats.DiscardIOs = stats[11]
		iostats.DiscardMerges = stats[12]
		iostats.DiscardSectors = stats[13]
		iostats.DiscardTicks = stats[14]
	}
	return iostats, err
}

func readStat(fileName string) (stats []uint64, err error) {
	file, err := os.Open(fileName)
	if err != nil {
		return nil, err
	}

	{"fofofofofoofofoffofoobarfoo", "foffof", 13},
	{"fofofofofofofoffofoobarfoo", "foffofo", 12},
	{"fofofofofoofofoffofoobarfoo", "foffofo", 13},
	{"fofofofofoofofoffofoobarfoo", "foffofoo", 13},
	{"fofofofofofofoffofoobarfoo", "foffofoo", 12},
	{"fofofofofoofofoffofoobarfoo", "foffofoob", 13},
	{"fofofofofofofoffofoobarfoo", "foffofoob", 12},
	{"fofofofofoofofoffofoobarfoo", "foffofooba", 13},

你可以在任何*路徑操作*接收 `request` 之前，加入要執行的程式碼。

也可以在產生出 `response` 之後、回傳之前執行程式碼。

例如，你可以新增一個自訂標頭 `X-Process-Time`，其內容為處理請求並產生回應所花費的秒數：

{* ../../docs_src/middleware/tutorial001_py310.py hl[10,12:13] *}

/// tip

這裡我們使用 [`time.perf_counter()`](https://docs.python.org/3/library/time.html#time.perf_counter) 而不是 `time.time()`，因為在這些用例中它可能更精確。🤓

///

## 多個中介軟體的執行順序 { #multiple-middleware-execution-order }

  url: https://github.com/yychanlee
Xewus:
  login: Xewus
  count: 13
  avatarUrl: https://avatars.githubusercontent.com/u/85196001?u=f8e2dc7e5104f109cef944af79050ea8d1b8f914&v=4
  url: https://github.com/Xewus
Zhongheng-Cheng:
  login: Zhongheng-Cheng
  count: 13
  avatarUrl: https://avatars.githubusercontent.com/u/95612344?u=a0f7730a3cc7486827965e01a119ad610bda4b0a&v=4

pkg debug/elf, const STB_LOOS = 10
pkg debug/elf, const STB_LOPROC = 13
pkg debug/elf, const STB_WEAK = 2
pkg debug/elf, const STT_COMMON = 5
pkg debug/elf, const STT_FILE = 4
pkg debug/elf, const STT_FUNC = 2
pkg debug/elf, const STT_HIOS = 12
pkg debug/elf, const STT_HIPROC = 15
pkg debug/elf, const STT_LOOS = 10
pkg debug/elf, const STT_LOPROC = 13
pkg debug/elf, const STT_NOTYPE = 0
pkg debug/elf, const STT_OBJECT = 1