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 "/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/webdataset/webdataset.py", line 80, in _split_generators
raise ValueError(
...<2 lines>...
)
ValueError: The TAR archives of the dataset should be in WebDataset format, but the files in the archive don't share the same prefix or the same types.
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.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.
spaCR — Map Barcodes test reads
The first 100,000 reads of each of the eight FASTQ files of NCBI BioProject
PRJNA1261935, as the
European Nucleotide Archive serves them. It is the cached copy behind
Load test data… on spaCR's Map Barcodes screen: when this set is
downloaded (spacr-download reads), the picker lists the runs and takes up
to 100,000 reads from each file from here, without reaching ENA. A larger
request, or a whole file, still streams from ENA.
spacr-example-reads.tar: 27,289,600 bytes (27.3 MB), one uncompressed tar, SHA-256 9fd0f2bf08d0e396707a7c307d7f80cc56e1e0ac1d56b24ce15d7c38533515aa.
Source
- Study: Olafsson EB, et al. A pooled image-based CRISPR screen identifies EAF1 as a T. gondii modulator of ESCRT subversion. bioRxiv; raw guide-barcode sequencing of the screen's four plates.
- BioProject: PRJNA1261935; runs SRR33531217, SRR33531218, SRR33531219, SRR33531220 (libraries hilib_p1, hilib_p2, hilib_p3, hilib_p4), paired-end.
- Each file is the first 100,000 reads of the ENA FASTQ at the URL listed in
manifest.json, cut byspacr.sra.fetch_readsexactly as Map Barcodes cuts it online, and written back out as.fastq.gz. Reads are not filtered, reordered or edited; the two mates of a run keep their pairing. filereport.tsvis ENA's portal listing of the project (fields run_accession, library_name, fastq_ftp, fastq_bytes, read_count), fetched 2026-10-11T15:46:58Z.
Files
| file | run | mate | reads | SHA-256 |
|---|---|---|---|---|
SRR33531217_1.fastq.gz |
SRR33531217 | 1 | 100,000 | 94bffe188a89d3c32c545984dfea442ad4ac8b286b93cf7552b397de9fef5acd |
SRR33531217_2.fastq.gz |
SRR33531217 | 2 | 100,000 | 1803e6ab87c67b90f9a4301cd0853c4fe706c5e60a999845acac5e78953bf6c7 |
SRR33531218_1.fastq.gz |
SRR33531218 | 1 | 100,000 | 4ba702d2a6d8b2dc4eb2862663feae2bf693cb4d685751a4d06354d088dbc3ab |
SRR33531218_2.fastq.gz |
SRR33531218 | 2 | 100,000 | afa66ae14939d7f2bd79aa63a60c9cf5e41715a652d18e571eaf58b9b89542c9 |
SRR33531219_1.fastq.gz |
SRR33531219 | 1 | 100,000 | 79815d3a7ed9142b820e4653e6c8ac7c0d5abf6e44e4872584e147bd141bab41 |
SRR33531219_2.fastq.gz |
SRR33531219 | 2 | 100,000 | 7118d67e409b9aee11823224671f085bc60483b2658d0a9a767e855371638c22 |
SRR33531220_1.fastq.gz |
SRR33531220 | 1 | 100,000 | 49c3ea7510fcb97199fa93f16a98609292144c3d7951d7bd4af26b57883265a0 |
SRR33531220_2.fastq.gz |
SRR33531220 | 2 | 100,000 | e938dc580eb6fb43c6ecd9fb7a962f748c12c41a182340a40ca7c01880c0b618 |
Licence
The reads are public INSDC data. Under the INSDC policy
(https://www.insdc.org/policy/) they are available without restriction on
use or distribution; this copy adds none. Please cite the study above when
using them. Built with tools/build_reads_example_dataset.py from the spaCR
repository.
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