Datasets:

azithromycin
/

qnoens_block2target

Exception:    SplitsNotFoundError
Message:      The split names could not be parsed from the dataset config.
Traceback:    Traceback (most recent call last):
                File "tsfile/tsfile_py_cpp.pyx", line 567, in tsfile.tsfile_py_cpp.tsfile_reader_new_c
              tsfile.exceptions.FileOpenError: 28: 
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 286, in get_dataset_config_info
                  for split_generator in builder._split_generators(
                                         ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      StreamingDownloadManager(base_path=builder.base_path, download_config=download_config)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/tsfile/tsfile.py", line 271, in _split_generators
                  scan = self._scan_metadata(all_files)
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/tsfile/tsfile.py", line 318, in _scan_metadata
                  with self._open_reader(file) as reader:
                       ~~~~~~~~~~~~~~~~~^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/tsfile/tsfile.py", line 742, in _open_reader
                  return TsFileReader(file)
                File "tsfile/tsfile_reader.pyx", line 323, in tsfile.tsfile_reader.TsFileReaderPy.__init__
              SystemError: <class '_weakrefset.WeakSet'> returned a result with an exception set
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/split_names.py", line 71, in compute_split_names_from_streaming_response
                  for split in get_dataset_split_names(
                               ~~~~~~~~~~~~~~~~~~~~~~~^
                      path=dataset,
                      ^^^^^^^^^^^^^
                      config_name=config,
                      ^^^^^^^^^^^^^^^^^^^
                      token=hf_token,
                      ^^^^^^^^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 340, in get_dataset_split_names
                  info = get_dataset_config_info(
                      path,
                  ...<6 lines>...
                      **config_kwargs,
                  )
                File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 291, in get_dataset_config_info
                  raise SplitsNotFoundError("The split names could not be parsed from the dataset config.") from err
              datasets.inspect.SplitsNotFoundError: The split names could not be parsed from the dataset config.

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Block2Target TsFile

Apache TsFile conversion of qnoens/block2target, a LeRobot v2.1 robotics dataset.

Source and provenance

Original dataset: qnoens/block2target
Inspected source revision: 70f0d984883d25eba7837c258c18d721f61315fb
Original author/uploader: Quinten Noens (qnoens)
License: Apache-2.0
Tasks: move a block to the blue rectangle, green circle, pink pentagon, or orange triangle
Split: train: 0:200; sampling rate: 10 fps
Coverage: 200 episodes, 23,071 frame rows, 4 tasks, 200 Parquet shards
Source frame layout: data/chunk-{episode_chunk:03d}/episode_{episode_index:06d}.parquet

The source card provides no paper, homepage, or completed BibTeX citation.

Converted files

TsFile: data/qnoens_block2target.tsfile (2,437,996 bytes)
Table: qnoens_block2target; rows: 23,071; devices/episodes: 200
Metadata: source meta/ is mirrored, with meta/info.json updated for the TsFile artifact.

Schema and conversion

Time = round(timestamp * 1000) as INT64 milliseconds, restarting at zero per episode. Source timestamp is dropped as redundant with Time / 1000. frame_index is retained and index is renamed to sample_index.

TAG/device columns: episode_index, task_index.

FIELD columns: next_reward FLOAT, next_success BOOLEAN, seed/frame_index/sample_index INT64, gripper_state FLOAT; plus flattened state[7], robot_pose[6], joints[6], and action[7] scalar FLOAT fields. No rows or numeric vector dimensions are dropped.

Actual storage profile: Time TS_2DIFF + LZ4; FLOAT/DOUBLE GORILLA + LZ4; INT32/INT64 TS_2DIFF + LZ4; BOOLEAN RLE + LZ4; TAGs use TsFile table-model device/tag storage.

Videos (not included)

The original repository contains 800 MP4 files (200 per stream; 367,041,730 bytes) under videos/: videos/chunk-{episode_chunk:03d}/{video_key}/episode_{episode_index:06d}.mp4. Streams are scene_image, scene_image_original, wrist_image, and wrist_image_original. Videos are not copied or uploaded; episode_index and frame_index preserve frame alignment.

Validation

Local validation: PASS. Source/staged/TsFile rows: 23,071 / 23,071 / 23,071; duplicate device-Time keys: 0; monotonicity violations: 0; TsFile/source Parquet size ratio: 53.53%. The Apache TsFile Java reader queried every row and inspected actual codec metadata.

Minimal read example

from tsfile import TsFileReader
reader = TsFileReader("data/qnoens_block2target.tsfile")
with reader.query_table("qnoens_block2target", ["episode_index", "task_index", "Time", "frame_index", "next_success", "action_0"], batch_size=65536) as result:
    print(result.read_arrow_batch().to_pandas().head())
reader.close()

Please cite the original Hugging Face dataset and Quinten Noens (qnoens).

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Total file size:

3.38 MB