Datasets:

zjt24
/

pick_place_cube_1_18

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 68, 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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pick_place_cube_1.18 TsFile

Converted from the Hugging Face dataset CSCSXX/pick_place_cube_1.18 to Apache TsFile format.

The source dataset was created with LeRobot. It is an SO-100 robot pick-place-cube dataset with one task: pick-place-cube.

Dataset Facts

Modalities: Time-series. Source video streams are available only in the original dataset.
License: Apache-2.0.
Robot type: so100.
Codebase version: v2.0.
Episodes: 50.
Frames / converted rows: 16,491.
Tasks: 1.
Source split: train episodes 0:50.
Sampling rate: 30 fps.
Source videos: 100 videos from observation.images.top and observation.images.side.
Converted file: data/pick_place_cube_1_18.tsfile.

Converted Schema

The converted TsFile table is named pick_place_cube_1_18.

Time: int64 millisecond timestamp, synthesized as round(timestamp * 1000).
TAG columns: episode_index, task_index.
FIELD columns: frame_index, sample_index, action_0 to action_5, and observation_state_0 to observation_state_5.

The original vector columns are flattened as scalar fields:

action with shape [6] becomes action_0 to action_5.
observation.state with shape [6] becomes observation_state_0 to observation_state_5.

Conversion Notes

Numeric LeRobot frame Parquet files from data/chunk-*/*.parquet were merged into one TsFile.
Time uses millisecond precision and restarts per episode, matching the source timestamp convention.
The source timestamp column is not retained as a separate field because it is redundant with Time / 1000 seconds.
The source index column is renamed to sample_index.
Source meta/ files are mirrored, with meta/info.json updated to describe the converted TsFile artifact and original video location.
Video streams are not uploaded to this repository. They remain in the original Hugging Face dataset under videos/.

Read Example

from tsfile import TsFileReader

path = "data/pick_place_cube_1_18.tsfile"
with TsFileReader(path) as reader:
    schemas = reader.get_all_table_schemas()
    print(schemas.keys())

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