datumaro.plugins.data_formats.datumaro.page_mapper#

Classes

DatumPageMapper(path)

Construct page maps for items and annotations from the JSON file, which are used for the stream importer.

class datumaro.plugins.data_formats.datumaro.page_mapper.DatumPageMapper(path: str)[source]#

Bases: object

Construct page maps for items and annotations from the JSON file, which are used for the stream importer.

It also provides __iter__() to produce item and annotation dictionaries in stream manner after constructing the page map.

get_item_dict(item_key: str) → Dict | None[source]#

iter_item_ids() → Iterator[str][source]#

property dm_format_version: str | None#: Parse “dm_format_version” section from the given JSON file using the stream json parser

property media_type: MediaType | None#: Parse “media_type” section from the given JSON file using the stream json parser

property ann_types: Set[AnnotationType] | None#: Parse “media_type” section from the given JSON file using the stream json parser

property infos: Dict[str, Any]#: Parse “infos” section from the given JSON file using the stream json parser

property categories: Dict[str, Any]#: Parse “categories” section from the given JSON file using the stream json parser

class datumaro.plugins.data_formats.datumaro.page_mapper.AnnotationType(value)[source]#

Bases: IntEnum

An enumeration.

unknown = 0#

label = 1#

mask = 2#

points = 3#

polygon = 4#

polyline = 5#

bbox = 6#

caption = 7#

cuboid_3d = 8#

super_resolution_annotation = 9#

depth_annotation = 10#

ellipse = 11#

hash_key = 12#

feature_vector = 13#

tabular = 14#

rotated_bbox = 15#

datumaro.plugins.data_formats.datumaro.page_mapper.DatumPageMapperImpl#: alias of DatumPageMapper

class datumaro.plugins.data_formats.datumaro.page_mapper.MediaType(value)[source]#

Bases: IntEnum

An enumeration.

NONE = 0#

MEDIA_ELEMENT = 1#

IMAGE = 2#

BYTE_IMAGE = 3#

VIDEO_FRAME = 4#

VIDEO = 5#

POINT_CLOUD = 6#

MULTIFRAME_IMAGE = 7#

ROI_IMAGE = 8#

MOSAIC_IMAGE = 9#

TABLE_ROW = 10#

property media: Type[MediaElement] | None#