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The dataset generation failed
Error code:   DatasetGenerationError
Exception:    UnicodeDecodeError
Message:      'utf-8' codec can't decode byte 0x89 in position 0: invalid start byte
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1779, in _prepare_split_single
                  for key, table in generator:
                                    ^^^^^^^^^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 609, in wrapped
                  for item in generator(*args, **kwargs):
                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/text/text.py", line 98, in _generate_tables
                  batch = f.read(self.config.chunksize)
                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/utils/file_utils.py", line 844, in read_with_retries
                  out = read(*args, **kwargs)
                        ^^^^^^^^^^^^^^^^^^^^^
                File "<frozen codecs>", line 322, in decode
              UnicodeDecodeError: 'utf-8' codec can't decode byte 0x89 in position 0: invalid start byte
              
              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/parquet_and_info.py", line 1342, in compute_config_parquet_and_info_response
                  parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 907, in stream_convert_to_parquet
                  builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
                File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1646, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1832, in _prepare_split_single
                  raise DatasetGenerationError("An error occurred while generating the dataset") from e
              datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset

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text
string
"""Validate one-to-one correspondence of dataset images and labels."""
from __future__ import annotations
import argparse
from pathlib import Path
IMAGE_EXTENSIONS = {".png", ".jpg", ".jpeg", ".tif", ".tiff", ".bmp"}
LABEL_EXTENSIONS = {".txt"}
def collect_stems(root: Path, extensions: set[str]) -> set[str]:
"""Return relative paths (without suffix) for files matching extensions."""
stems: set[str] = set()
for path in root.rglob("*"):
if not path.is_file():
continue
if extensions and path.suffix.lower() not in extensions:
continue
relative = path.relative_to(root)
while relative.suffix:
relative = relative.with_suffix("")
stems.add(relative.as_posix())
return stems
def report(header: str, items: set[str], limit: int) -> None:
print(f"{header}: {len(items)}")
if not items:
return
for idx, item in enumerate(sorted(items)):
if 0 <= limit <= idx:
print("...")
break
print(f" - {item}")
def main() -> None:
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
"root",
nargs="?",
default=Path(__file__).resolve().parent,
type=Path,
help="Path to dataset directory that contains images/ and labelTxt/",
)
parser.add_argument(
"--limit",
type=int,
default=20,
help="Max entries to list for missing pairs (-1 for all).",
)
args = parser.parse_args()
dataset_root = args.root.resolve()
images_dir = dataset_root / "images"
labels_dir = dataset_root / "labelTxt"
if not images_dir.is_dir():
raise SystemExit(f"Missing images directory: {images_dir}")
if not labels_dir.is_dir():
raise SystemExit(f"Missing labelTxt directory: {labels_dir}")
image_stems = collect_stems(images_dir, IMAGE_EXTENSIONS)
label_stems = collect_stems(labels_dir, LABEL_EXTENSIONS)
missing_labels = image_stems - label_stems
missing_images = label_stems - image_stems
print(f"Images found: {len(image_stems)}")
print(f"Labels found: {len(label_stems)}")
report("Images without labels", missing_labels, args.limit)
report("Labels without images", missing_images, args.limit)
if __name__ == "__main__":
main()
import os
def generate_file_list(directory, output_file):
unique_files = set()
with open(output_file, 'w') as f:
for root, _, files in os.walk(directory):
for file in files:
if file.endswith('.png'):
file_name_without_extension = os.path.splitext(file)[0]
if file_name_without_extension not in unique_files:
unique_files.add(file_name_without_extension)
f.write(file_name_without_extension + '\n')
if __name__ == "__main__":
images_folder = 'images'
output_file = 'test.txt'
generate_file_list(images_folder, output_file)
"""List label files that contain no annotations."""
from __future__ import annotations
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