| """ノイズ除去の第2パス（監査項目14〜21）。 |
| |
| 第1パス（``run_shard.py``: 有害フィルタ → PII 置換）のクリーン済み出力 |
| ``<input-dir>/<shard>/<shard>.parquet`` を入力にし、``<output-root>/<shard>/`` に |
| ``<shard>.parquet``（ノイズ除去後）、``noise/removed.jsonl``、``noise/summary.json``、 |
| ``noise_summary.json`` を書く。``--upload-repo`` を付けると HF データセットへ |
| バッチアップロードしてローカルを削除する（HF Jobs の一時ディスク対策）。 |
| |
| uv run python abeja-cc-ja/src/run_noise_pass.py --input-dir <outputs/common_crawl_0> --output-root <out> --workers 7 \\ |
| --upload-repo Podtech/abeja-cc-ja-cleaned --upload-prefix outputs_v2/common_crawl_0 --delete-local-after-upload |
| |
| トークン数の閾値を使う場合は ``--tokenizer <HFモデル名>`` と ``--min-tokens/--max-tokens`` を指定する |
| （transformers が必要。既定は文字数のみ）。 |
| """ |
|
|
| from __future__ import annotations |
|
|
| import argparse |
| import json |
| import multiprocessing as mp |
| import os |
| import shutil |
| import time |
| import traceback |
| from datetime import datetime, timezone |
| from pathlib import Path |
| from typing import Any |
|
|
| import pyarrow.parquet as pq |
|
|
| from run_shard import Uploader, stage_input |
|
|
|
|
| NOISE_PASS_VERSION = "abeja-cc-ja-noise-pass/2026-09-04" |
| _WORKER: dict[str, Any] = {} |
|
|
|
|
| def _init_worker(config: dict[str, Any]) -> None: |
| import sys |
|
|
| sys.path.insert(0, str(Path(__file__).resolve().parent)) |
| from filter_noise import NoiseFilter |
|
|
| _WORKER["config"] = config |
| _WORKER["filter"] = NoiseFilter( |
| Path(config["patterns_dir"]), |
| min_chars=config["min_chars"], max_chars=config["max_chars"], newline_policy=config["newline_policy"], |
| tokenizer=config.get("tokenizer"), min_tokens=config.get("min_tokens"), max_tokens=config.get("max_tokens"), |
| ) |
|
|
|
|
| def process_shard(input_path: Path, output_root: Path, config: dict[str, Any]) -> dict[str, Any]: |
| from filter_noise import run_noise_filter |
|
|
| if not _WORKER: |
| _init_worker(config) |
| shard = input_path.stem |
| out_dir = output_root / shard |
| out_dir.mkdir(parents=True, exist_ok=True) |
| started = time.perf_counter() |
| started_at = datetime.now(timezone.utc).isoformat() |
| input_rows = pq.ParquetFile(input_path).metadata.num_rows |
| summary = run_noise_filter(input_path, out_dir / "noise", _WORKER["filter"], batch_size=config["batch_size"], output_name="cleaned.parquet") |
| final_path = out_dir / f"{shard}.parquet" |
| shutil.move(str(out_dir / "noise" / "cleaned.parquet"), str(final_path)) |
| shard_summary = { |
| "pipeline_version": NOISE_PASS_VERSION, |
| "stage": "noise", |
| "shard": shard, |
| "input_file": str(input_path), |
| "input_rows": input_rows, |
| "started_at_utc": started_at, |
| "finished_at_utc": datetime.now(timezone.utc).isoformat(), |
| "seconds": round(time.perf_counter() - started, 1), |
| "noise": { |
| "thresholds": summary["thresholds"], |
| "records_scanned": summary["records_scanned"], |
| "records_deleted": summary["records_deleted"], |
| "records_retained": summary["records_retained"], |
| "records_modified": summary["records_modified"], |
| "records_newline_joined": summary["records_newline_joined"], |
| "records_deleted_by_reason": summary["records_deleted_by_reason"], |
| "chars_before": summary["chars_before"], |
| "chars_after_retained": summary["chars_after_retained"], |
| "tokens_after_retained": summary["tokens_after_retained"], |
| "by_item": summary["by_item"], |
| "patterns": [ |
| {k: p[k] for k in ("id", "item", "action", "records_detected", "occurrences", "lines_removed", "replacements")} |
| for p in summary["patterns"] |
| ], |
| }, |
| "output": {"cleaned_parquet": str(final_path), "final_rows": summary["records_retained"], "removed_jsonl": str(out_dir / "noise" / "removed.jsonl")}, |
| } |
| (out_dir / "noise_summary.json").write_text(json.dumps(shard_summary, ensure_ascii=False, indent=2) + "\n", encoding="utf-8") |
| return shard_summary |
|
|
|
|
| def _worker_entry(args: tuple[str, str, dict[str, Any]]) -> dict[str, Any]: |
| input_path, output_root, config = args |
| staging_dir = Path(config["staging_dir"]) if config.get("staging_dir") else None |
| local_input: Path | None = None |
| last_error: Exception | None = None |
| for attempt in range(1, 4): |
| try: |
| local_input = stage_input(Path(input_path), staging_dir) |
| |
| result = process_shard(local_input, Path(output_root), {**config, "source_dir": str(Path(input_path).parent)}) |
| result["input_file"] = input_path |
| return result |
| except OSError as error: |
| last_error = error |
| print(json.dumps({"event": "io_retry", "shard": Path(input_path).stem, "attempt": attempt, "error": repr(error)[:160]}), flush=True) |
| time.sleep(30 * attempt) |
| except Exception as error: |
| return {"shard": Path(input_path).stem, "input_file": input_path, "error": repr(error), "traceback": traceback.format_exc()} |
| finally: |
| if local_input is not None and staging_dir is not None and local_input != Path(input_path): |
| local_input.unlink(missing_ok=True) |
| return {"shard": Path(input_path).stem, "input_file": input_path, "error": repr(last_error), "traceback": ""} |
|
|
|
|
| def discover_inputs(input_dir: Path) -> list[Path]: |
| """``<dir>/<shard>/<shard>.parquet``（第1パス出力）か ``<dir>/*.parquet`` を列挙する。""" |
|
|
| nested = sorted(p for p in input_dir.glob("*/*.parquet") if p.stem == p.parent.name) |
| return nested or sorted(input_dir.glob("*.parquet")) |
|
|
|
|
| def main(argv: list[str] | None = None) -> None: |
| source_dir = Path(__file__).resolve().parent |
| parser = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter) |
| parser.add_argument("--input-dir", type=Path, required=True) |
| parser.add_argument("--output-root", type=Path, required=True) |
| parser.add_argument("--limit-shards", type=int, default=None) |
| parser.add_argument("--workers", type=int, default=max(1, (os.cpu_count() or 2) - 1)) |
| parser.add_argument("--batch-size", type=int, default=2048) |
| parser.add_argument("--patterns-dir", type=Path, default=source_dir / "noise") |
| parser.add_argument("--min-chars", type=int, default=200) |
| parser.add_argument("--max-chars", type=int, default=100_000) |
| parser.add_argument("--newline-policy", choices=("join", "delete", "keep"), default="join") |
| parser.add_argument("--tokenizer", default=None, help="トークン数を数える HF トークナイザ名（任意）") |
| parser.add_argument("--min-tokens", type=int, default=None) |
| parser.add_argument("--max-tokens", type=int, default=None) |
| parser.add_argument("--upload-repo", default=None) |
| parser.add_argument("--upload-prefix", default="outputs_v2") |
| parser.add_argument("--upload-batch", type=int, default=5) |
| parser.add_argument("--delete-local-after-upload", action="store_true") |
| parser.add_argument("--skip-existing-in-repo", action="store_true") |
| parser.add_argument("--staging-dir", type=Path, default=None, help="入力parquetを処理前にコピーするローカルディレクトリ（マウントの I/O エラー対策）") |
| args = parser.parse_args(argv) |
|
|
| inputs = discover_inputs(args.input_dir) |
| if args.limit_shards is not None: |
| inputs = inputs[: args.limit_shards] |
| if not inputs: |
| raise FileNotFoundError(f"入力parquetが見つかりません: {args.input_dir}") |
| args.output_root.mkdir(parents=True, exist_ok=True) |
| uploader = None |
| skip: set[str] = set() |
| if args.upload_repo: |
| uploader = Uploader(args.upload_repo, args.upload_prefix, args.output_root, args.upload_batch, args.delete_local_after_upload) |
| if args.skip_existing_in_repo: |
| skip = uploader.existing_shards(marker="noise_summary.json") |
| todo = [] |
| for path in inputs: |
| if path.stem in skip or (args.output_root / path.stem / "noise_summary.json").exists(): |
| print(json.dumps({"event": "skip", "shard": path.stem}), flush=True) |
| continue |
| todo.append(path) |
| config = { |
| "patterns_dir": str(args.patterns_dir), "batch_size": args.batch_size, |
| "min_chars": args.min_chars, "max_chars": args.max_chars, "newline_policy": args.newline_policy, |
| "tokenizer": args.tokenizer, "min_tokens": args.min_tokens, "max_tokens": args.max_tokens, |
| "staging_dir": str(args.staging_dir) if args.staging_dir else None, |
| } |
| print(json.dumps({"event": "start", "stage": "noise", "shards": len(todo), "skipped": len(inputs) - len(todo), "workers": args.workers, "thresholds": config}, ensure_ascii=False), flush=True) |
| jobs = [(str(p), str(args.output_root), config) for p in todo] |
| if args.workers <= 1 or len(jobs) <= 1: |
| _init_worker(config) |
| iterator = map(_worker_entry, jobs) |
| else: |
| context = mp.get_context("spawn") |
| pool = context.Pool(processes=min(args.workers, len(jobs)), initializer=_init_worker, initargs=(config,)) |
| iterator = pool.imap_unordered(_worker_entry, jobs) |
| results: list[dict[str, Any]] = [] |
| run_started = time.perf_counter() |
| for result in iterator: |
| results.append(result) |
| if "error" in result: |
| print(json.dumps({"event": "error", "shard": result["shard"], "error": result["error"]}), flush=True) |
| continue |
| print(json.dumps({ |
| "event": "done", "shard": result["shard"], "input_rows": result["input_rows"], |
| "noise_deleted": result["noise"]["records_deleted"], "modified": result["noise"]["records_modified"], |
| "final_rows": result["output"]["final_rows"], "seconds": result["seconds"], |
| }), flush=True) |
| if uploader is not None: |
| uploader.add(result["shard"]) |
| if uploader is not None: |
| uploader.flush() |
| errors = [r for r in results if "error" in r] |
| run_summary = { |
| "pipeline_version": NOISE_PASS_VERSION, "stage": "noise", |
| "finished_at_utc": datetime.now(timezone.utc).isoformat(), |
| "shards_processed": len(results) - len(errors), |
| "shards_failed": [{"shard": r["shard"], "error": r["error"]} for r in errors], |
| "shards_skipped": len(inputs) - len(todo), |
| "seconds": round(time.perf_counter() - run_started, 1), |
| "upload_repo": args.upload_repo, "upload_prefix": args.upload_prefix if args.upload_repo else None, |
| } |
| (args.output_root / f"run_summary_noise_{datetime.now(timezone.utc).strftime('%Y%m%dT%H%M%SZ')}.json").write_text(json.dumps(run_summary, ensure_ascii=False, indent=2) + "\n", encoding="utf-8") |
| print(json.dumps({"event": "finish", **run_summary}, ensure_ascii=False), flush=True) |
| if errors: |
| raise SystemExit(1) |
|
|
|
|
| if __name__ == "__main__": |
| main() |
|
|
