Datasets:

THUgewu
/

246-Golf

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 66, 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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246-Golf (TsFile)

Apache TsFile version of LeRobot-worldwide-hackathon/246-Golf.

Overview

A LeRobot teleoperation dataset recorded on an SO-101 arm performing a single manipulation task: "Pick up the golf ball and place it on the gray mark at the back." Each episode captures the synchronized robot proprioception (joint states) and the commanded action at 30 Hz while the operator demonstrates the pick-and-place motion. The dataset was contributed as part of the LeRobot Worldwide Hackathon.

Robot: SO-101 (6-DOF: shoulder_pan, shoulder_lift, elbow_flex, wrist_flex, wrist_roll, gripper).
Scale: 30 episodes / 26,134 frames / 1 task.
Sampling rate: 30 fps.
LeRobot codebase version: v2.1.

Schema (TsFile structure)

Time (INT64, milliseconds) — per-frame timestamp, round(timestamp * 1000), restarts at 0 for each episode (≈33 ms between frames at 30 fps).
episode_index (TAG) — episode identifier (the device dimension). Query a single episode with WHERE episode_index=0.
task_index (TAG) — task identifier; this dataset has a single task (0).
frame_index (FIELD, INT64) — frame counter within the episode.
sample_index (FIELD, INT64) — the source index global row counter, renamed.
observation_state_0 … observation_state_5 (FIELD, FLOAT) — measured joint positions of the 6 arm joints (shoulder_pan, shoulder_lift, elbow_flex, wrist_flex, wrist_roll, gripper).
action_0 … action_5 (FIELD, FLOAT) — commanded target for the same 6 joints.

The 6-element observation.state and action vectors are flattened to one FLOAT field per joint, in the source joint order. The source timestamp column is dropped because it equals Time / 1000 seconds.

Camera video streams (observation.images.phone, observation.images.usbcam) are not included in this repository; see the original dataset's videos/ directory for them: LeRobot-worldwide-hackathon/246-Golf.

Usage

Read the .tsfile files with the Apache TsFile Java or Python SDK.

Source & license

Original dataset: https://huggingface.co/datasets/LeRobot-worldwide-hackathon/246-Golf
Author / publisher: LeRobot-worldwide-hackathon
Paper: none
License: not declared by the original dataset; please defer to the original.

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