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3.1.0

31 Oct 15:21
@lhoestq lhoestq
3.1.0
dfb52e2
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3.1.0 Latest
Latest

Dataset Features

  • Video support by @lhoestq in #7230 
    >>> from datasets import Dataset, Video, load_dataset
>>> ds = Dataset.from_dict({"video":["path/to/Screen Recording.mov"]}).cast_column("video", Video())
>>> # or from the hub
>>> ds = load_dataset("username/dataset_name", split="train")
>>> ds[0]["video"]
<decord.video_reader.VideoReader at 0x105525c70>
  • Add IterableDataset.shard() by @lhoestq in #7252 
    >>> from datasets import load_dataset
>>> full_ds = load_dataset("amphion/Emilia-Dataset", split="train", streaming=True)
>>> full_ds.num_shards
2360
>>> ds = full_ds.shard(num_shards=ds.num_shards, index=0)
>>> ds.num_shards
1
>>> ds = full_ds.shard(num_shards=8, index=0)
>>> ds.num_shards
295
  • Basic XML support by @lhoestq in #7250

What's Changed

New Contributors

Full Changelog: 3.0.2...3.1.0

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cakiki, fzyzcjy, and lhoestq
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3.0.2

22 Oct 15:03
@lhoestq lhoestq
3.0.2
97e5e17
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3.0.2

Main bug fixes

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Full Changelog: 3.0.1...3.0.2

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torotoki, alex-hh, and 2 other contributors
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3.0.1

26 Sep 08:27
@albertvillanova albertvillanova
3.0.1
679562d
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3.0.1

What's Changed

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Full Changelog: 3.0.0...3.0.1

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albertvillanova, varadhbhatnagar, and lhoestq
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3.0.0

11 Sep 13:50
@albertvillanova albertvillanova
3.0.0
3505ed9
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3.0.0

Dataset Features

  • Use Polars functions in .map()

    • Allow Polars as valid output type by @psmyth94 in #6762

    • Example:

      >>> from datasets import load_dataset
>>> ds = load_dataset("lhoestq/CudyPokemonAdventures", split="train").with_format("polars")
>>> cols = [pl.col("content").str.len_bytes().alias("length")]
>>> ds_with_length = ds.map(lambda df: df.with_columns(cols), batched=True)
>>> ds_with_length[:5]
shape: (5, 5)
┌─────┬───────────────────────────────────┬───────────────────────────────────┬───────────────────────┬────────┐
│ idx ┆ title                             ┆ content                           ┆ labels                ┆ length │
│ --- ┆ ---                               ┆ ---                               ┆ ---                   ┆ ---    │
│ i64 ┆ str                               ┆ str                               ┆ str                   ┆ u32    │
╞═════╪═══════════════════════════════════╪═══════════════════════════════════╪═══════════════════════╪════════╡
│ 0   ┆ The Joyful Adventure of Bulbasau… ┆ Bulbasaur embarked on a sunny qu… ┆ joyful_adventure      ┆ 180    │
│ 1   ┆ Pikachu's Quest for Peace         ┆ Pikachu, with his cheeky persona… ┆ peaceful_narrative    ┆ 138    │
│ 2   ┆ The Tender Tale of Squirtle       ┆ Squirtle took everyone on a memo… ┆ gentle_adventure      ┆ 135    │
│ 3   ┆ Charizard's Heartwarming Tale     ┆ Charizard found joy in helping o… ┆ heartwarming_story    ┆ 112    │
│ 4   ┆ Jolteon's Sparkling Journey       ┆ Jolteon, with his zest for life,… ┆ celebratory_narrative ┆ 111    │
└─────┴───────────────────────────────────┴───────────────────────────────────┴───────────────────────┴────────┘
  • Support NumPy 2

Cache Changes

  • Use huggingface_hub cache by @lhoestq in #7105
    • use the huggingface_hub cache for files downloaded from HF, by default at ~/.cache/huggingface/hub
    • cached datasets (Arrow files) will still be reloaded from the datasets cache, by default at ~/.cache/huggingface/datasets

Breaking changes

  • Remove deprecated code by @albertvillanova in #6996
    • removed deprecated arguments like use_auth_token, fs or ignore_verifications
  • Remove beam by @albertvillanova in #6987
    • removed deprecated apache beam datasets support
  • Remove metrics by @albertvillanova in #6983
    • remove deprecated load_metric, please use the evaluate library instead
  • Remove tasks by @albertvillanova in #6999
    • remove deprecated task argument in load_dataset() .prepare_for_task() method, datasets.tasks module

General improvements and bug fixes

New Contributors

Full Changelog: 2.21.0...3.0.0

Contributors

severo, albertvillanova, and 5 other contributors
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2.21.0

14 Aug 08:08
@albertvillanova albertvillanova
2.21.0
a1b5a32
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2.21.0

Features

  • Support pyarrow large_list by @albertvillanova in #7019
    • Support Polars round trip: 
      import polars as pl
from datasets import Dataset

df1 = pl.from_dict({"col_1": [[1, 2], [3, 4]]}
df2 = Dataset.from_polars(df).to_polars()
assert df1.equals(df2)

What's Changed

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Full Changelog: 2.20.0...2.21.0

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piercus, matstrand, and 13 other contributors
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2.20.0

13 Jun 14:57
@albertvillanova albertvillanova
2.20.0
98fdc9e
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2.20.0

Important

  • Remove default trust_remote_code=True by @lhoestq in #6954
    • datasets with a python loading script now require passing trust_remote_code=True to be used

Datasets features

  • [Resumable IterableDataset] Add IterableDataset state_dict by @lhoestq in #6658

    • checkpoint and resume an iterable dataset (e.g. when streaming):

      >>> iterable_dataset = Dataset.from_dict({"a": range(6)}).to_iterable_dataset(num_shards=3)
>>> for idx, example in enumerate(iterable_dataset):
...     print(example)
...     if idx == 2:
...         state_dict = iterable_dataset.state_dict()
...         print("checkpoint")
...         break
>>> iterable_dataset.load_state_dict(state_dict)
>>> print(f"restart from checkpoint")
>>> for example in iterable_dataset:
...     print(example)

      Returns:

      {'a': 0}
{'a': 1}
{'a': 2}
checkpoint
restart from checkpoint
{'a': 3}
{'a': 4}
{'a': 5}

General improvements and bug fixes

New Contributors

Full Changelog: 2.19.0...2.20.0

Contributors

EthanSteinberg, albertvillanova, and 7 other contributors
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2.19.2

03 Jun 05:26
@albertvillanova albertvillanova
2.19.2
7290bbd
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2.19.2

Bug fixes

  • Make CLI convert_to_parquet not raise error if no rights to create script branch by @albertvillanova in #6902
  • Require Pillow >= 9.4.0 to avoid AttributeError when loading image dataset by @albertvillanova in #6883
  • Update requests >=2.32.1 to fix vulnerability by @albertvillanova in #6909
  • Fix NonMatchingSplitsSizesError/ExpectedMoreSplits when passing data_dir/data_files in no-code Hub datasets by @albertvillanova in #6925

Full Changelog: 2.19.1...2.19.2

Contributors

albertvillanova
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2.19.1

06 May 09:40
@albertvillanova albertvillanova
2.19.1
bb2664c
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2.19.1

Bug fixes

Full Changelog: 2.19.0...2.19.1

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albertvillanova
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2.19.0

19 Apr 08:46
@albertvillanova albertvillanova
2.19.0
0d3c746
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2.19.0

Dataset Features

  • Add Polars compatibility by @psmyth94 in #6531
    • convert to a Polars dataframe using .to_polars(); 
      import polars as pl
from datasets import load_dataset
ds = load_dataset("DIBT/10k_prompts_ranked", split="train")
ds.to_polars() \
    .groupby("topic") \
    .agg(pl.len(), pl.first()) \
    .sort("len", descending=True)
    • Use Polars formatting to return Polars objects when accessing a dataset: 
      ds = ds.with_format("polars")
ds[:10].group_by("kind").len()
  • Add fsspec support for to_json, to_csv, and to_parquet by @alvarobartt in #6096
    • Save on HF in any file format: 
      ds.to_json("hf://datasets/username/my_json_dataset/data.jsonl")
ds.to_csv("hf://datasets/username/my_csv_dataset/data.csv")
ds.to_parquet("hf://datasets/username/my_parquet_dataset/data.parquet")
  • Add mode parameter to Image feature by @mariosasko in #6735
    • Set images to be read in a certain mode like "RGB" 
      dataset = dataset.cast_column("image", Image(mode="RGB"))
  • Add CLI function to convert script-dataset to Parquet by @albertvillanova in #6795
    • run command to open a PR in script-based dataset to convert it to Parquet: 
      datasets-cli convert_to_parquet <dataset_id>
  • Add Dataset.take and Dataset.skip by @lhoestq in #6813
    • same as IterableDataset.take and IterableDataset.skip 
      ds = ds.take(10)  # take only the first 10 examples

General improvements and bug fixes

New Contributors

Full Changelog: 2.18.0...2.19.0

Contributors

severo, shcheklein, and 12 other contributors
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2.18.0

01 Mar 21:00
@lhoestq lhoestq
2.18.0
ca8409a
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2.18.0

Dataset features

  • Make JSON builder support an array of strings by @albertvillanova in #6696
  • Base parquet batch_size on parquet row group size by @lhoestq in #6701
    • Faster cold start for streaming
  • Change default compression argument for JsonDatasetWriter by @Rexhaif in #6659
  • Automatic Conversion for uint16/uint32 to Compatible PyTorch Dtypes by @mohalisad in #6660
  • fsspec: support fsspec>=2023.12.0 glob changes by @pmrowla in #6687
    • Support latest fsspec up to 2024.2.0

General improvements and bug fixes

New Contributors

Full Changelog: 2.17.1...2.18.0

Contributors

BioGeek, pmrowla, and 10 other contributors
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