datumaro.plugins.data_formats.coco.page_mapper

Classes

COCOPageMapper(path)

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

class datumaro.plugins.data_formats.coco.page_mapper.COCOPageMapper(path: str)

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: int) → Dict | None

get_anns_dict(item_key: int) → List[Dict] | None

iter_item_ids() → Iterator[int]

stream_parse_categories_data() → Dict[str, Any]

Parse “categories” section from the given JSON file using the stream json parser

datumaro.plugins.data_formats.coco.page_mapper.CocoPageMapperImpl

alias of CocoPageMapper