The dataset viewer is not available for this subset.
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.Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
game_v4 (TsFile)
This dataset is an Apache TsFile conversion of
dopaul/game_v4 at source
revision 50ca31db62e1d6c9a615a7a63234ca0ef330bbd8. The source metadata
identifies the data as LeRobot v2.1 trajectories from an so100_follower
robot.
Dataset Summary
- Modalities: Time-series
- Split:
train - Episodes: 125
- Actual source Parquet rows and TsFile rows: 46,564
- Source metadata
total_frames: 46,936 - Tasks: 1
- Task:
Move the chess piece from red to blue - Sampling rate: 30 FPS
- Source frame files: 125 Parquet files
- Converted files: 1 TsFile
- Table name:
game_v4_train
The current source meta/info.json declares 46,936 frames, while the 125
current episode Parquet files contain 46,564 rows. This conversion preserves
all 46,564 rows that actually exist. It does not synthesize, interpolate, or
otherwise invent the 372-row difference.
Data File
data/game_v4_train.tsfile
TsFile Schema
The table contains one TIME column, two TAG columns, and fourteen FIELD columns.
| Column | TsFile role | Type | Source mapping |
|---|---|---|---|
Time |
TIME | INT64 | round(timestamp * 1000) milliseconds |
episode_index |
TAG | STRING | Source episode index |
task_index |
TAG | STRING | Source task index |
frame_index |
FIELD | INT64 | Retained unchanged |
sample_index |
FIELD | INT64 | Source index, renamed |
action_0 ... action_5 |
FIELD | FLOAT | Six flattened action components |
observation_state_0 ... observation_state_5 |
FIELD | FLOAT | Six flattened robot-state components |
The six action and state components retain the source order:
shoulder_pan.pos, shoulder_lift.pos, elbow_flex.pos, wrist_flex.pos,
wrist_roll.pos, and gripper.pos.
Conversion Notes
- All 125 episodes are merged into one train table.
episode_indexandtask_indexremain available as TAG columns for filtering. actionandobservation.statewere flattened into scalar FLOAT fields.- Source
indexwas renamed tosample_index. - Source
timestampis not stored separately because it is redundant withTime / 1000seconds. - No existing numeric row was removed, resampled, or interpolated.
Videos
Videos are not downloaded, converted, or uploaded in this repository. The
source camera features are observation.images.context and
observation.images.arm. They remain available in the
original videos tree.
The retained episode, frame, task, and sample indexes provide alignment with
the source media.
Python SDK Example
from pathlib import Path
from tsfile import TsFileReader
path = Path("data/game_v4_train.tsfile")
table = "game_v4_train"
reader = TsFileReader(str(path))
try:
columns = [
"episode_index",
"task_index",
"frame_index",
"action_0",
"observation_state_0",
]
with reader.query_table(table, columns, batch_size=1024) as result:
batch = result.read_arrow_batch()
if batch is not None:
print(batch.to_pandas().head())
finally:
reader.close()
Source and License
- Source:
dopaul/game_v4 - Source repository owner:
dopaul - License: The source repository does not publish a license. This conversion does not assert one; users should defer to the source repository for usage terms.
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