StorageItem

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StorageItem Objects

class StorageItem()

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uuid

@property
def uuid() -> UUID

UUID: The unique identifier of the storage item.

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parent_folder_uuid

@property
def parent_folder_uuid() -> UUID

UUID: The UUID of the parent folder.

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parent_folder

def parent_folder() -> StorageFolder

Retrieve the parent folder of the storage item.

Returns:

• StorageFolder - The parent folder.

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item_type

@property
def item_type() -> StorageItemType

StorageItemType: The type of the storage item.

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name

@property
def name() -> str

str: The name of the storage item.

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description

@property
def description() -> str

str: The description of the storage item.

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client_metadata

@property
def client_metadata() -> Optional[Dict[str, Any]]

Optional[Dict[str, Any]]: The client metadata of the storage item.

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created_at

@property
def created_at() -> datetime

datetime: The creation time of the storage item.

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last_edited_at

@property
def last_edited_at() -> datetime

datetime: The last edited time of the storage item.

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backed_data_units_count

@property
def backed_data_units_count() -> int

int: The number of backed data units.

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storage_location

@property
def storage_location() -> StorageLocationName

StorageLocationName: The storage location name.

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integration_hash

@property
def integration_hash() -> Optional[UUID]

Optional[UUID]: The integration hash.

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url

@property
def url() -> Optional[str]

Optional[str]: The URL of the storage item.

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file_size

@property
def file_size() -> Optional[int]

Optional[int]: The file size of the storage item.

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mime_type

@property
def mime_type() -> Optional[str]

Optional[str]: The MIME type of the storage item.

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duration

@property
def duration() -> Optional[float]

Optional[float]: The duration of the storage item.

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fps

@property
def fps() -> Optional[float]

Optional[float]: The frames per second of the storage item.

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height

@property
def height() -> Optional[int]

Optional[int]: The height of the storage item.

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width

@property
def width() -> Optional[int]

Optional[int]: The width of the storage item.

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dicom_instance_uid

@property
def dicom_instance_uid() -> Optional[str]

Optional[str]: The DICOM instance UID of the storage item.

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dicom_study_uid

@property
def dicom_study_uid() -> Optional[str]

Optional[str]: The DICOM study UID of the storage item.

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dicom_series_uid

@property
def dicom_series_uid() -> Optional[str]

Optional[str]: The DICOM series UID of the storage item.

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frame_count

@property
def frame_count() -> Optional[int]

Optional[int]: The frame count of the storage item.

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audio_sample_rate

@property
def audio_sample_rate() -> Optional[int]

Optional[int]: The number of samples taken per second (in Hz).

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audio_bit_depth

@property
def audio_bit_depth() -> Optional[int]

Optional[int]: The number of bits used to record each audio sample.

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audio_codec

@property
def audio_codec() -> Optional[str]

Optional[int]: The codec of the audio file (e.g., mp3 or flac).

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audio_num_channels

@property
def audio_num_channels() -> Optional[int]

Optional[int]: The number of channels.

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get_signed_url

def get_signed_url(refetch: bool = False) -> Optional[str]

Get a signed URL for downloading the item.

Returns None if the item is a synthetic entity (e.g., image group or DICOM series).

Arguments:

• refetch - If True, forces fetching a new signed URL even if one is cached.

Returns:

• Optional[str] - Signed URL for downloading the item, or None if not supported.

Raises:

• ValueError - If the item type is DICOM series or image group (unsupported for signed URLs).

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get_summary

def get_summary() -> StorageItemSummary

Retrieve a summary of the item, including linked datasets and other information.

Returns:

• StorageItemSummary - Object containing summary information about the item.

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get_child_items

def get_child_items(get_signed_urls: bool = False) -> Iterable["StorageItem"]

Get child items of the item, such as frames of an image group or files of DICOM series.

Arguments:

• get_signed_urls - If True, include signed URLs for child items.

Returns:

• Iterable[StorageItem] - List of child items accessible to the user.

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update

def update(name: Optional[str] = None,
           description: Optional[str] = None,
           client_metadata: Optional[Dict[str, Any]] = None,
           bundle: Optional[Bundle] = None) -> None

Update modifiable properties of the item.

Arguments:

• name - New item name.
• description - New item description.
• client_metadata - New client metadata.
• bundle - Optional bundle to use for bundling operations.

Returns:

None

Notes:

If no parameters are provided, the function does nothing.

If bundle is provided, the operation is bundled into a single server call with other item updates using the same bundle.

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delete

def delete(remove_unused_frames=True) -> None

Delete the item from the storage.

Arguments:

• remove_unused_frames - If True (default), remove individual images or DICOM files not used elsewhere.

Returns:

None

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move_to_folder

def move_to_folder(target_folder: Union[StorageFolder, UUID],
                   allow_mirror_dataset_changes: bool = False)

Move the item to another folder.

Arguments:

• target_folder - Target folder to move the item to. Can be a StorageFolder object or a UUID.
• allow_mirror_dataset_changes - If True, allows moving items linked to a mirror dataset. Default is False, which prohibits such moves to prevent data loss.

Returns:

None

Notes:

This method updates the item’s parent folder and refetches item data after the move.

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refetch_data

def refetch_data(get_signed_url: bool = False) -> None

Refetches data for the item, updating its attributes.

Arguments:

• get_signed_url - If True, refetches the signed URL for downloading the item.

Returns:

None