Datasets:
| """Load JSONL into Hugging Face without automatic date-string conversion.""" | |
| import json | |
| from hashlib import sha256 | |
| from pathlib import Path | |
| from datasets import Dataset, Features | |
| def iter_jsonl(path): | |
| with open(path, encoding="utf-8") as source: | |
| for line in source: | |
| if line.strip(): | |
| yield json.loads(line) | |
| def load_jsonl(path, features_path=None, cache_dir=None): | |
| path = Path(path).resolve() | |
| features_path = Path(features_path) if features_path else path.parent.parent / "features.json" | |
| feature_text = features_path.read_text(encoding="utf-8") | |
| features = Features.from_dict(json.loads(feature_text)) | |
| # A filename alone does not invalidate HF's generator cache after a rebuild. | |
| fingerprint = sha256(feature_text.encode("utf-8")) | |
| with path.open("rb") as source: | |
| for chunk in iter(lambda: source.read(1024 * 1024), b""): | |
| fingerprint.update(chunk) | |
| return Dataset.from_generator(iter_jsonl, gen_kwargs={"path": str(path)}, features=features, | |
| cache_dir=cache_dir, fingerprint=fingerprint.hexdigest()) | |