| import datasets | |
| import json | |
| import re | |
| _DESCRIPTION = """\ | |
| Contains radical images with radicals ids from WaniKani or https://api.robanohashi.org/docs/index.html | |
| """ | |
| _METADATA_URL = "https://huggingface.co/datasets/martingrzzler/radicals/raw/main/radicals_metadata.jsonl" | |
| _IMAGES_URL = "https://huggingface.co/datasets/martingrzzler/radicals/resolve/main/radicals.tar.gz" | |
| class Radicals(datasets.GeneratorBasedBuilder): | |
| """Radicals dataset.""" | |
| def _info(self): | |
| return datasets.DatasetInfo( | |
| description=_DESCRIPTION, | |
| features=datasets.Features( | |
| { | |
| "radical_image": datasets.Image(), | |
| "meta": { | |
| "id": datasets.Value("int32"), | |
| "characters": datasets.Value("string"), | |
| "slug": datasets.Value("string"), | |
| }, | |
| } | |
| ), | |
| supervised_keys=None, | |
| homepage="https://robanohashi.org/", | |
| ) | |
| def _split_generators(self, dl_manager): | |
| metadata_path = dl_manager.download(_METADATA_URL) | |
| images_path = dl_manager.download(_IMAGES_URL) | |
| images_iter = dl_manager.iter_archive(images_path) | |
| return [ | |
| datasets.SplitGenerator( | |
| name=datasets.Split.TRAIN, | |
| gen_kwargs={ | |
| "metadata_path": metadata_path, | |
| "images_iter": images_iter, | |
| }, | |
| ), | |
| ] | |
| def _generate_examples(self, metadata_path, images_iter): | |
| radicals = {} | |
| pattern = r"/(\d+)" | |
| with open(metadata_path, encoding="utf-8") as f: | |
| for line in f: | |
| metadata = json.loads(line) | |
| radicals[metadata["id"]] = metadata | |
| for idx, (image_path, image) in enumerate(images_iter): | |
| id = int(re.search(pattern, image_path).group(1)) | |
| yield image_path, { | |
| "meta": radicals[id], | |
| "radical_image": image.read(), | |
| } | |