Datasets:

Bingsu
/

laion2b_multi_korean_subset_with_image

	import json
	from collections import defaultdict
	from pathlib import Path

	from datasets import (
	DatasetInfo,
	DownloadManager,
	Features,
	GeneratorBasedBuilder,
	Image,
	Split,
	SplitGenerator,
	Value,
	)

	_URLS = [f"data/{i:0>5}.tar" for i in range(2123)]


	class Laion2bMultiKoreanSubsetWithImage(GeneratorBasedBuilder):

	VERSION = "0.1.3"

	def _info(self):
	return DatasetInfo(
	description="laion2b_multi_korean_subset data with images",
	features=Features(
	{
	"image": Image(),
	"text": Value("string"),
	"width": Value("int32"),
	"height": Value("int32"),
	}
	),
	supervised_keys=None,
	license="cc-by-4.0",
	version=self.VERSION,
	)

	def _split_generators(self, dl_manager: DownloadManager):
	downloaded = dl_manager.download(_URLS)
	return [
	SplitGenerator(
	name=Split.TRAIN,
	gen_kwargs={
	"archives": [
	dl_manager.iter_archive(archive) for archive in downloaded
	]
	},
	)
	]

	def _generate_examples(self, archives):
	idx = 0
	temp = defaultdict(dict)

	for archive in archives:
	iter_archive = iter(archive)
	while True:
	# for tarfile.ReadError
	try:
	path, file = next(iter_archive)
	except Exception:
	break

	if path.endswith(".txt"):
	continue

	file_id = Path(path).stem

	if path.endswith(".json"):
	try:
	meta = json.loads(file.read())
	except Exception:
	continue

	temp[file_id]["text"] = meta["caption"]
	temp[file_id]["width"] = meta["width"]
	temp[file_id]["height"] = meta["height"]

	if "image" in temp[file_id]:
	yield idx, temp.pop(file_id)
	idx += 1

	elif path.endswith(".webp"):
	try:
	temp[file_id]["image"] = {"path": path, "bytes": file.read()}
	except Exception:
	continue

	if "text" in temp[file_id]:
	yield idx, temp.pop(file_id)
	idx += 1

	temp.clear()