| | import os |
| | import posixpath |
| |
|
| | import datasets |
| | from datasets import DatasetInfo, DownloadManager |
| | from fsspec.core import url_to_fs |
| |
|
| |
|
| | _EXTENSION = [".png", ".jpg", ".jpeg", ".webp", ".bmp"] |
| |
|
| |
|
| | class DanbooruDataset(datasets.GeneratorBasedBuilder): |
| | BUILDER_CONFIGS = [ |
| | |
| | datasets.BuilderConfig(name="full"), |
| | ] |
| |
|
| | def _info(self) -> DatasetInfo: |
| | features = { |
| | "image": datasets.Image(), |
| | "post_id": datasets.Value("int64") |
| | } |
| | info = datasets.DatasetInfo( |
| | features=datasets.Features(features), |
| | supervised_keys=None, |
| | citation="", |
| | ) |
| | return info |
| |
|
| | def _split_generators(self, dl_manager: DownloadManager): |
| | base_path = dl_manager._base_path |
| | if base_path.startswith(datasets.config.HF_ENDPOINT): |
| | base_path = base_path[len(datasets.config.HF_ENDPOINT):].replace("/resolve/", "@", 1) |
| | base_path = "hf://" + base_path.lstrip("/") |
| | fs, path = url_to_fs(base_path) |
| | urls = fs.glob(posixpath.join(path, "**/*.tar"), detail=False) |
| | archives = dl_manager.download(["hf://" + url for url in urls]) |
| | archives = [dl_manager.iter_archive(archives) for archives in archives] |
| | return [datasets.SplitGenerator(name="train", gen_kwargs={"archives": archives})] |
| |
|
| | def _generate_examples(self, archives): |
| | for archive in archives: |
| | for path, f in archive: |
| | path_root, path_ext = os.path.splitext(path) |
| | if path_ext.lower() not in _EXTENSION: |
| | continue |
| | post_id = int(os.path.basename(path_root)) |
| | yield path, {"image": {"bytes": f.read()}, "post_id": post_id} |
| |
|
