| |
| """Reject calibration corpora that overlap with evaluation corpora.""" |
|
|
| from __future__ import annotations |
|
|
| import argparse |
| from pathlib import Path |
|
|
|
|
| def long_lines(path: Path, min_chars: int) -> set[str]: |
| return { |
| line.strip() |
| for line in path.read_text(encoding="utf-8").splitlines() |
| if len(line.strip()) >= min_chars |
| } |
|
|
|
|
| def overlap_lines(calibration: Path, eval_corpora: list[Path], min_chars: int = 20) -> tuple[int, str | None]: |
| blocked: set[str] = set() |
| for path in eval_corpora: |
| blocked |= long_lines(path, min_chars) |
| if not blocked: |
| return 0, None |
| overlap = long_lines(calibration, min_chars) & blocked |
| if not overlap: |
| return 0, None |
| return len(overlap), next(iter(overlap))[:120] |
|
|
|
|
| def assert_disjoint( |
| calibration: Path, |
| eval_corpora: list[Path], |
| *, |
| min_chars: int = 20, |
| allow_overlap: bool = False, |
| ) -> None: |
| if not eval_corpora: |
| if allow_overlap: |
| return |
| raise SystemExit( |
| "at least one --eval-corpus is required; use --allow-overlap only for deliberate analysis" |
| ) |
| for path in eval_corpora: |
| if not path.exists(): |
| raise SystemExit(f"missing eval corpus: {path}") |
| count, sample = overlap_lines(calibration, eval_corpora, min_chars) |
| if count and not allow_overlap: |
| raise SystemExit( |
| f"calibration corpus overlaps evaluation corpora: {count} lines " |
| f"(e.g. {sample!r}). Deduplicate first or pass --allow-overlap." |
| ) |
|
|
|
|
| def main() -> None: |
| parser = argparse.ArgumentParser() |
| parser.add_argument("--calibration", type=Path, required=True) |
| parser.add_argument("--eval", nargs="+", type=Path, required=True) |
| parser.add_argument("--min-chars", type=int, default=20) |
| parser.add_argument("--allow-overlap", action="store_true") |
| args = parser.parse_args() |
| assert_disjoint( |
| args.calibration, |
| args.eval, |
| min_chars=args.min_chars, |
| allow_overlap=args.allow_overlap, |
| ) |
| print("corpus guard: ok") |
|
|
|
|
| if __name__ == "__main__": |
| main() |
|
|
