nyanko7 mariosasko commited on
Commit
81652ca
1 Parent(s): 046a4f1
Files changed (1) hide show
  1. danbooru2023.py +23 -25
danbooru2023.py CHANGED
@@ -1,12 +1,12 @@
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  import os
 
 
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  import datasets
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- from huggingface_hub import HfApi
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- from datasets import DownloadManager, DatasetInfo
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- from datasets.data_files import DataFilesDict
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  _EXTENSION = [".png", ".jpg", ".jpeg", ".webp", ".bmp"]
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- _NAME = "nyanko7/danbooru2023"
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- _REVISION = "main"
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  class DanbooruDataset(datasets.GeneratorBasedBuilder):
@@ -28,23 +28,21 @@ class DanbooruDataset(datasets.GeneratorBasedBuilder):
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  return info
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  def _split_generators(self, dl_manager: DownloadManager):
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- hfh_dataset_info = HfApi().dataset_info(_NAME, revision=_REVISION, timeout=100.0)
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- data_files = DataFilesDict.from_hf_repo(
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- {datasets.Split.TRAIN: ["**"]},
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- dataset_info=hfh_dataset_info,
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- allowed_extensions=["tar", ".tar"],
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- )
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- gs = []
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- for split, files in data_files.items():
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- downloaded_files = dl_manager.download_and_extract(files)
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- gs.append(datasets.SplitGenerator(name=split, gen_kwargs={"filepath": downloaded_files}))
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- return gs
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-
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- def _generate_examples(self, filepath):
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- for path in filepath:
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- all_fnames = {os.path.relpath(os.path.join(root, fname), start=path) for root, _dirs, files in os.walk(path) for fname in files}
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- image_fnames = sorted([fname for fname in all_fnames if os.path.splitext(fname)[1].lower() in _EXTENSION], reverse=True)
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- for image_fname in image_fnames:
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- image_path = os.path.join(path, image_fname)
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- post_id = int(os.path.splitext(os.path.basename(image_fname))[0])
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- yield image_fname, {"post_id": post_id}
 
1
  import os
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+ import posixpath
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+
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  import datasets
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+ from datasets import DatasetInfo, DownloadManager
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+ from fsspec.core import url_to_fs
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+
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  _EXTENSION = [".png", ".jpg", ".jpeg", ".webp", ".bmp"]
 
 
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  class DanbooruDataset(datasets.GeneratorBasedBuilder):
 
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  return info
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  def _split_generators(self, dl_manager: DownloadManager):
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+ base_path = dl_manager._base_path
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+ if base_path.startswith(datasets.config.HF_ENDPOINT):
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+ base_path = base_path[len(datasets.config.HF_ENDPOINT):].replace("/resolve/", "@", 1)
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+ base_path = "hf://" + base_path.lstrip("/")
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+ fs, path = url_to_fs(base_path)
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+ urls = fs.glob(posixpath.join(path, "**/*.tar"), detail=False)
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+ archives = dl_manager.download(["hf://" + url for url in urls])
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+ archives = [dl_manager.iter_archive(archives) for archives in archives]
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+ return [datasets.SplitGenerator(name="train", gen_kwargs={"archives": archives})]
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+
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+ def _generate_examples(self, archives):
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+ for archive in archives:
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+ for path, f in archive:
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+ path_root, path_ext = os.path.splitext(path)
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+ if path_ext.lower() not in _EXTENSION:
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+ continue
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+ post_id = int(os.path.basename(path_root))
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+ yield path, {"image": {"bytes": f.read()}, "post_id": post_id}