}

// OperationTimedOut - a timeout occurred.
type OperationTimedOut struct{}

func (e OperationTimedOut) Error() string {
	return "Operation timed out"
}

// Multipart related errors.

// MalformedUploadID malformed upload id.
type MalformedUploadID struct {
	UploadID string
}

func (e MalformedUploadID) Error() string {
	return "Malformed upload id " + e.UploadID

	if disk == nil {
		return errDiskNotFound
	}
	volumes := []string{
		minioMetaTmpDeletedBucket, // creates .minio.sys/tmp as well as .minio.sys/tmp/.trash
		minioMetaMultipartBucket,  // creates .minio.sys/multipart
		dataUsageBucket,           // creates .minio.sys/buckets
		minioConfigBucket,         // creates .minio.sys/config
	}
	// Attempt to create MinIO internal buckets.
	return disk.MakeVolBulk(context.TODO(), volumes...)

- <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - デフォルトのテンプレート設定を使用する場合は必要です。
- <a href="https://github.com/Kludex/python-multipart" target="_blank"><code>python-multipart</code></a> - <abbr title="converting the string that comes from an HTTP request into Python data">"parsing"</abbr>`request.form()`からの変換をサポートしたい場合は必要です。

func isRequestPostPolicySignatureV4(r *http.Request) bool {
	mediaType, _, err := mime.ParseMediaType(r.Header.Get(xhttp.ContentType))
	if err != nil {
		return false
	}
	return mediaType == "multipart/form-data" && r.Method == http.MethodPost
}

// Verify if the request has AWS Streaming Signature Version '4'. This is only valid for 'PUT' operation.
func isRequestSignStreamingV4(r *http.Request) bool {

    def __init__(
        self,
        default: Any = Undefined,
        *,
        default_factory: Union[Callable[[], Any], None] = _Unset,
        annotation: Optional[Any] = None,
        media_type: str = "multipart/form-data",
        alias: Optional[str] = None,
        alias_priority: Union[int, None] = _Unset,
        validation_alias: Union[str, AliasPath, AliasChoices, None] = None,

		}
	}
	isMP = objInfo.isMultipart()
	if len(objInfo.Checksum) > 0 {
		// Add encrypted CRC to metadata for SSE-C objects.
		if isSSEC {
			meta[ReplicationSsecChecksumHeader] = base64.StdEncoding.EncodeToString(objInfo.Checksum)
		} else {
			cs, mp := getCRCMeta(objInfo, 0, nil)
			// Set object checksum.
			maps.Copy(meta, cs)
			isMP = mp

				aerr := api.AbortMultipartUpload(ctx, tgtBucket, tgtObject, res.UploadID, ObjectOptions{})
				if aerr == nil {
					return
				}
				batchLogIf(ctx,
					fmt.Errorf("trying %s: Unable to cleanup failed multipart replication %s on remote %s/%s: %w - this may consume space on remote cluster",
						humanize.Ordinal(attempts), res.UploadID, tgtBucket, tgtObject, aerr))
				attempts++
				time.Sleep(time.Second)
			}
		}
	}()

	}

	for i, dErr := range dErrResp.Errs {
		if dErr != "" {
			errs[i] = toStorageErr(errors.New(dErr))
		} else {
			errs[i] = nil
		}
	}

	return errs
}

// RenamePart - renames multipart part file
func (client *storageRESTClient) RenamePart(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string, meta []byte, skipParent string) (err error) {

    * Up to now the application would run, and raise an exception only when receiving a request with form data, the new behavior, raising early, will prevent from deploying applications with broken dependencies.
    * It also detects if the correct package `python-multipart` is installed instead of the incorrect `multipart` (both importable as `multipart`).

		return grid.NewNPErr(errDiskNotFound)
	}
	return grid.NewNPErr(s.getStorage().RenameFile(context.Background(), p.SrcVolume, p.SrcFilePath, p.DstVolume, p.DstFilePath))
}

// RenamePartHandler - rename a multipart part from source to destination
func (s *storageRESTServer) RenamePartHandler(p *RenamePartHandlerParams) (grid.NoPayload, *grid.RemoteErr) {
	if !s.checkID(p.DiskID) {
		return grid.NewNPErr(errDiskNotFound)
	}