feat(load): fallback to load_from_disk() when loading a saved dataset directory
#7653
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…`load_dataset` ### Related Issue Fixes huggingface#7503 ### What does this PR do? This PR introduces a fallback mechanism in `load_dataset()` that detects when the input `path` points to a dataset previously saved using `save_to_disk()`, and automatically redirects to `load_from_disk(path)`. Previously, calling `load_dataset("/path/to/saved/dataset")` would misinterpret the local structure and return incorrect metadata rows. Now: ```python # Before: unexpected result ds = load_dataset("my_saved_dataset") # Misinterprets metadata # After: correct behavior ds = load_dataset("my_saved_dataset") # Auto-switches to load_from_disk()
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Related Issue
Fixes #7503
Partially addresses #5044 by allowing
load_dataset()to auto-detect and gracefully delegate toload_from_disk()for locally saved datasets.What does this PR do?
This PR introduces a minimal fallback mechanism in
load_dataset()that detects when the providedpathpoints to a dataset saved usingsave_to_disk(), and automatically redirects toload_from_disk().🐛 Before (unexpected metadata-only rows):
✅ After (graceful fallback):
Why is this useful?
save_to_disk().lighteval) that rely onload_dataset()calls.