Datasets:
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f1a4107 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | #!/usr/bin/env python3
"""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()
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