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generate_ranking_history

src.generators.rankings.generate_ranking_history

Maintain ranking history snapshots for authors and institutions.

Each pipeline run appends a timestamped snapshot to
  • assets/data/ranking_history.json (author rankings over time)
  • assets/data/institution_ranking_history.json (institution rankings over time)
The history files are arrays of snapshot objects

[ { "date": "2026-03", "entries": { "Author Name": {"rank": 1, "score": 60, "as": 0, "aes": 60}, ... } }, ... ]

Only authors/institutions that appear in the current rankings are tracked. The "date" is year-month (YYYY-MM) to give monthly granularity.

Usage

python -m src.generators.generate_ranking_history --data_dir ../reprodb.github.io/src

generate_ranking_history(data_dir: str, force: bool = False) -> None

Generate/update author and institution ranking history.

Source code in src/generators/rankings/generate_ranking_history.py 
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def generate_ranking_history(data_dir: str, force: bool = False) -> None:
    """Generate/update author and institution ranking history."""
    date = _snapshot_date()

    # ── Author rankings ──────────────────────────────────────────────────
    cr_path = Path(data_dir) / "assets/data/combined_rankings.json"
    author_hist_path = Path(data_dir) / "assets/data/ranking_history.json"

    rankings = _load_json(cr_path)
    author_history: list = _load_json(author_hist_path)  # type: ignore[assignment]

    if _has_snapshot(author_history, date) and not force:
        logger.warning(
            f"  Author ranking history: snapshot for {date} already exists, skipping (use --force to overwrite)"
        )
    else:
        author_entries = {}
        for r in rankings:
            name = r.get("name", "")
            if not name:
                continue
            author_entries[name] = {
                "rank": r.get("rank", 0),
                "score": r.get("combined_score", 0),
                "as": r.get("artifact_score", 0),
                "aes": r.get("ae_score", 0),
                "tp": r.get("total_papers", 0),
                "ta": r.get("artifact_count", 0),
                "ar": r.get("artifact_pct", 0),
                "rr": r.get("repro_pct", 0),
            }

        author_history = _update_history(author_history, author_entries, date)

        save_json(author_hist_path, author_history, compact=True)

        logger.info(
            f"  Author ranking history: {len(author_history)} snapshots, {len(author_entries)} entries for {date}"
        )
        logger.info(f"  Wrote {author_hist_path} ({author_hist_path.stat().st_size / 1024:.0f}KB)")

    # ── Institution rankings ─────────────────────────────────────────────
    ir_path = Path(data_dir) / "assets/data/institution_rankings.json"
    inst_hist_path = Path(data_dir) / "assets/data/institution_ranking_history.json"

    inst_rankings = _load_json(ir_path)
    inst_history: list = _load_json(inst_hist_path)  # type: ignore[assignment]

    if _has_snapshot(inst_history, date) and not force:
        logger.warning(
            f"  Institution ranking history: snapshot for {date} already exists, skipping (use --force to overwrite)"
        )
    else:
        inst_entries = {}
        for idx, r in enumerate(inst_rankings):
            name = r.get("affiliation", "")
            if not name:
                continue
            # Calculate repro rate for institution
            inst_rr = 0
            if r.get("artifact_count", 0) > 0:
                inst_rr = round((r.get("badges_reproducible", 0) / r["artifact_count"]) * 100, 1)
            inst_entries[name] = {
                "rank": idx + 1,
                "score": r.get("combined_score", 0),
                "as": r.get("artifact_score", 0),
                "aes": r.get("ae_score", 0),
                "tp": r.get("total_papers", 0),
                "ta": r.get("artifact_count", 0),
                "ar": r.get("artifact_pct", 0),
                "rr": inst_rr,
                "r": r.get("author_count", 0),
            }

        inst_history = _update_history(inst_history, inst_entries, date)

        save_json(inst_hist_path, inst_history, compact=True)

        logger.info(
            f"  Institution ranking history: {len(inst_history)} snapshots, {len(inst_entries)} entries for {date}"
        )
        logger.info(f"  Wrote {inst_hist_path} ({inst_hist_path.stat().st_size / 1024:.0f}KB)")