"""Corpus-filter constants for the paper eval (released path, no scorer import).

They are pure eval configuration, kept separate from the (closed-scorer-importing)
modules so the released analysis path can import them without touching the scorer.
"""

from __future__ import annotations

# Drop these subcorpora / title substrings before any paper statistic.
EXCLUDE_CORPUS = {"bible_workin_progress", "bible_awaiting_proof"}
EXCLUDE_SUBSTR = ("Märchen", "Marchen")


def keep(rec: dict) -> bool:
    """The paper's corpus filter: drop excluded subcorpora / fairy-tale titles.
    `rec` needs only a `corpus` field (bundle rows pass `{"corpus": row["sub"]}`)."""
    c = rec.get("corpus", "") or ""
    if c in EXCLUDE_CORPUS:
        return False
    return all(sub.lower() not in c.lower() for sub in EXCLUDE_SUBSTR)