## Необов'язкові залежності

Pydantic використовує:

* <a href="https://github.com/JoshData/python-email-validator" target="_blank"><code>email-validator</code></a> - для валідації електронної пошти.
* <a href="https://docs.pydantic.dev/latest/usage/pydantic_settings/" target="_blank"><code>pydantic-settings</code></a> - для управління налаштуваннями.

```

////

/// info | "Информация"

Чтобы использовать `EmailStr`, прежде необходимо установить <a href="https://github.com/JoshData/python-email-validator" class="external-link" target="_blank">`email-validator`</a>.
Используйте `pip install email-validator`
или `pip install pydantic[email]`.

///

Далее мы используем нашу модель в аннотациях типа как для аргумента функции, так и для выходного значения:

  }
  if (remote) {
    TFE_OpSetDevice(matmul, task1_name, status);
    ASSERT_EQ(TF_GetCode(status), TF_OK) << TF_Message(status);
  } else if (!async) {
    // Set the local device to CPU to easily validate mirroring
    string cpu_device_name;
    ASSERT_TRUE(GetDeviceName(ctx, &cpu_device_name, "CPU"));
    TFE_OpSetDevice(matmul, cpu_device_name.c_str(), status);

      Entry<K, V> entryCopy = mapEntry(entry.getKey(), entry.getValue());

      iterator.remove();
      assertEquals(initialSize - 1, map.size());

      // Use "entryCopy" instead of "entry" because "entry" might be invalidated after
      // iterator.remove().
      assertFalse(entrySet.contains(entryCopy));
      assertInvariants(map);
      assertThrows(IllegalStateException.class, () -> iterator.remove());
    } else {

			if err != nil {
				rpt.SetStatus(bucket, fileName, err)
				continue
			}
			// Validate the received bucket policy document
			if err = bucketLifecycle.Validate(rcfg); err != nil {
				rpt.SetStatus(bucket, fileName, err)
				continue
			}

			// Validate the transition storage ARNs
			if err = validateTransitionTier(bucketLifecycle); err != nil {
				rpt.SetStatus(bucket, fileName, err)

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	nDisks := 16 // Maximum disks.
	var erasureDisks []string
	for i := 0; i < nDisks; i++ {
		// Do not attempt to create this path, the test validates
		// so that newErasureSets initializes non existing paths
		// and successfully returns initialized object layer.
		disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
		erasureDisks = append(erasureDisks, disk)

			[]byte("10000;chunk-signature=ad80c730a21e5b8d04586a2213dd63b9a0e99e0e2307b0ade35a65485a288648    \t \n"),
			[]byte("10000"),
			[]byte("ad80c730a21e5b8d04586a2213dd63b9a0e99e0e2307b0ade35a65485a288648"),
		},
	}
	// Validate chunk extension removal.
	for i, tt := range tests {
		// Extract chunk size and chunk signature after parsing a standard chunk-extension format.
		hexChunkSize, hexChunkSignature := parseS3ChunkExtension(tt.buf)

	if err != nil {
		apiErr := errorCodes.ToAPIErr(ErrMalformedXML)
		apiErr.Description = err.Error()
		writeErrorResponse(ctx, w, apiErr, r.URL)
		return
	}
	// validate the request
	if err := rreq.validate(ctx, objectAPI); err != nil {
		apiErr := errorCodes.ToAPIErr(ErrMalformedXML)
		apiErr.Description = err.Error()
		writeErrorResponse(ctx, w, apiErr, r.URL)
		return
	}

	defer env.LockSetEnv()()

	// Disable merging env values with config for validation.
	env.SetEnvOff()

	// Enable env values to validate KMS.
	defer env.SetEnvOn()
	if subSys != "" {
		return validateSubSysConfig(ctx, s, subSys, objAPI)
	}

	// No sub-system passed. Validate all of them.
	for _, ss := range config.SubSystems.ToSlice() {
		if err := validateSubSysConfig(ctx, s, ss, objAPI); err != nil {
			return err

		}
		if encodingType != testCase.encodingType {
			t.Errorf("Test %d: Expected %s, got %s", i+1, testCase.encodingType, encodingType)
		}
	}
}

// Validates extracting information for object resources.
func TestGetObjectsResources(t *testing.T) {
	testCases := []struct {
		values                     url.Values
		uploadID                   string