Files
Tokenizer_Swap/dataset_building/build_math_docmix_fix.py
2026-06-18 10:10:57 +00:00

265 lines
12 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import gzip
import json
import os
import re
import time
from collections import Counter
from pathlib import Path
from huggingface_hub import HfApi, hf_hub_download
from transformers import AutoTokenizer
MATHPILE_PRIORITY = [
"train/textbooks/textbooks_markdown.jsonl.gz",
"train/textbooks/synthetic_textbooks_markdown.jsonl.gz",
"train/wikipedia/wikipedia_en_mathematics_nopic_2023-08_v0.2.jsonl.gz",
"train/proofwiki/ProofWiki_definitions.jsonl.gz",
"train/proofwiki/ProofWiki_theorem_proofs.jsonl.gz",
"train/stackexchange/math.stackexchange.com.jsonl.gz",
"train/stackexchange/mathoverflow.net.jsonl.gz",
"train/stackexchange/physics.stackexchange.com.jsonl.gz",
"train/arXiv/math_arXiv_v0.2_chunk_1.jsonl.gz",
"train/arXiv/math_arXiv_v0.2_chunk_2.jsonl.gz",
"train/arXiv/math_arXiv_v0.2_chunk_3.jsonl.gz",
"train/arXiv/math_arXiv_v0.2_chunk_4.jsonl.gz",
"train/commoncrawl/C4_math_docs_chunk_0.jsonl.gz",
"train/commoncrawl/CC_math_docs_chunk_0.jsonl.gz",
]
def clean_text(text):
if text is None:
return ""
text = str(text).replace("\x00", " ")
text = re.sub(r"[ \t\r\f\v]+", " ", text)
text = re.sub(r"\n{4,}", "\n\n\n", text)
return text.strip()
def extract_text(row):
for key in ("text", "content", "markdown", "raw_content", "document"):
if isinstance(row, dict):
text = clean_text(row.get(key))
if text:
return text
return ""
def safe_source(text):
return re.sub(r"[^A-Za-z0-9._-]+", "_", text)[:120]
def download_with_retry(repo, filename, args):
last = None
for attempt in range(1, args.retries + 1):
try:
return hf_hub_download(
repo_id=repo,
repo_type="dataset",
filename=filename,
endpoint=args.endpoint,
token=os.environ.get("HF_TOKEN"),
local_dir=args.raw_dir,
)
except Exception as exc:
last = exc
print(json.dumps({"event": "download_retry", "repo": repo, "file": filename, "attempt": attempt, "error": repr(exc)[:800]}, ensure_ascii=False), flush=True)
time.sleep(min(120, 5 * attempt))
raise RuntimeError(f"download failed for {repo}:{filename}: {last!r}")
def copy_existing(existing, writer, target):
tokens = 0
docs = 0
if not existing.exists() or existing.stat().st_size < 1024:
return tokens, docs
with gzip.open(existing, "rt", encoding="utf-8", errors="replace") as f:
for line in f:
if not line.strip() or tokens >= target:
continue
try:
rec = json.loads(line)
except json.JSONDecodeError:
continue
ntok = int(rec.get("token_count") or 0)
if ntok <= 0:
continue
writer.write(json.dumps(rec, ensure_ascii=False) + "\n")
tokens += ntok
docs += 1
return tokens, docs
def iter_jsonl_gz(path):
opener = gzip.open if str(path).endswith(".gz") else open
with opener(path, "rt", encoding="utf-8", errors="replace") as f:
for line in f:
if not line.strip():
continue
try:
yield json.loads(line)
except json.JSONDecodeError:
continue
def add_jsonl_source(path, source_label, tok, writer, stats, args):
for row in iter_jsonl_gz(path):
if stats["tokens"] >= args.target_tokens:
break
text = extract_text(row)
if not text:
stats["rejected"]["empty"] += 1
continue
ntok = len(tok.encode(text, add_special_tokens=False))
if ntok < args.min_tokens:
stats["rejected"]["too_short"] += 1
continue
if ntok > args.max_doc_tokens:
stats["rejected"]["too_long"] += 1
continue
idx = stats["docs"]
writer.write(json.dumps({
"id": f"math_fix_{idx:09d}",
"category": "math",
"source": source_label,
"text": text,
"token_count": ntok,
"metadata": {k: row.get(k) for k in ("id", "url", "source", "title") if isinstance(row, dict) and k in row},
}, ensure_ascii=False) + "\n")
stats["docs"] += 1
stats["tokens"] += ntok
stats["tokens_by_source"][source_label] += ntok
if stats["docs"] % args.log_every == 0:
print(json.dumps({"event": "progress", "docs": stats["docs"], "tokens": stats["tokens"], "target": args.target_tokens, "source": source_label, "elapsed_sec": time.time() - stats["started_at"]}, ensure_ascii=False), flush=True)
def add_parquet_source(path, source_label, tok, writer, stats, args):
import pyarrow.parquet as pq
pf = pq.ParquetFile(path)
for batch in pf.iter_batches(batch_size=args.parquet_batch_size):
if stats["tokens"] >= args.target_tokens:
break
for row in batch.to_pylist():
if stats["tokens"] >= args.target_tokens:
break
text = extract_text(row)
if not text:
stats["rejected"]["empty"] += 1
continue
ntok = len(tok.encode(text, add_special_tokens=False))
if ntok < args.min_tokens:
stats["rejected"]["too_short"] += 1
continue
if ntok > args.max_doc_tokens:
stats["rejected"]["too_long"] += 1
continue
idx = stats["docs"]
writer.write(json.dumps({
"id": f"math_fix_{idx:09d}",
"category": "math",
"source": source_label,
"text": text,
"token_count": ntok,
"metadata": {k: row.get(k) for k in ("url", "date", "language", "language_score") if k in row},
}, ensure_ascii=False) + "\n")
stats["docs"] += 1
stats["tokens"] += ntok
stats["tokens_by_source"][source_label] += ntok
if stats["docs"] % args.log_every == 0:
print(json.dumps({"event": "progress", "docs": stats["docs"], "tokens": stats["tokens"], "target": args.target_tokens, "source": source_label, "elapsed_sec": time.time() - stats["started_at"]}, ensure_ascii=False), flush=True)
def main():
ap = argparse.ArgumentParser()
ap.add_argument("--endpoint", default=os.environ.get("HF_ENDPOINT", "https://hf-mirror.com"))
ap.add_argument("--tokenizer", default="model_building/generated_models/Qwen3-0.6B-DSV4-tokenizer-remap-v2")
ap.add_argument("--raw-dir", default="data/raw_math_fix_20260614")
ap.add_argument("--out-dir", default="data/cpt_docmix_5b_sources_8192_20260614")
ap.add_argument("--target-tokens", type=int, default=500_000_000)
ap.add_argument("--min-tokens", type=int, default=128)
ap.add_argument("--max-doc-tokens", type=int, default=32768)
ap.add_argument("--log-every", type=int, default=5000)
ap.add_argument("--retries", type=int, default=16)
ap.add_argument("--parquet-batch-size", type=int, default=1000)
ap.add_argument("--keep-raw", action="store_true")
ap.add_argument("--skip-mathpile", action="store_true")
ap.add_argument("--skip-openwebmath-prefix-count", type=int, default=0)
args = ap.parse_args()
base = Path.cwd()
out_dir = base / args.out_dir
doc_dir = out_dir / "documents"
doc_dir.mkdir(parents=True, exist_ok=True)
raw_dir = base / args.raw_dir
raw_dir.mkdir(parents=True, exist_ok=True)
args.raw_dir = str(raw_dir)
tok = AutoTokenizer.from_pretrained(base / args.tokenizer, trust_remote_code=True)
final_out = doc_dir / "math.jsonl.gz"
tmp_out = doc_dir / "math.jsonl.gz.tmp"
if tmp_out.exists():
tmp_out.unlink()
stats = {"target_tokens": args.target_tokens, "tokens": 0, "docs": 0, "tokens_by_source": Counter(), "rejected": Counter(), "sources": [], "started_at": time.time()}
api = HfApi(endpoint=args.endpoint, token=os.environ.get("HF_TOKEN"))
with gzip.open(tmp_out, "wt", encoding="utf-8") as writer:
existing_tokens, existing_docs = copy_existing(final_out, writer, args.target_tokens)
stats["tokens"] += existing_tokens
stats["docs"] += existing_docs
stats["tokens_by_source"]["existing_math_docmix"] += existing_tokens
print(json.dumps({"event": "copied_existing", "docs": existing_docs, "tokens": existing_tokens}, ensure_ascii=False), flush=True)
for filename in ([] if args.skip_mathpile else MATHPILE_PRIORITY):
if stats["tokens"] >= args.target_tokens:
break
try:
local = Path(download_with_retry("GAIR/MathPile", filename, args))
before = stats["tokens"]
add_jsonl_source(local, f"GAIR/MathPile:{filename}", tok, writer, stats, args)
stats["sources"].append({"repo": "GAIR/MathPile", "file": filename, "tokens": stats["tokens"] - before})
print(json.dumps({"event": "source_done", "source": f"GAIR/MathPile:{filename}", "tokens_added": stats["tokens"] - before, "total_tokens": stats["tokens"]}, ensure_ascii=False), flush=True)
if not args.keep_raw:
try: local.unlink()
except Exception: pass
except Exception as exc:
stats["sources"].append({"repo": "GAIR/MathPile", "file": filename, "error": repr(exc)[:1000]})
print(json.dumps({"event": "source_error", "source": f"GAIR/MathPile:{filename}", "error": repr(exc)[:1000]}, ensure_ascii=False), flush=True)
if stats["tokens"] < args.target_tokens:
files = [f for f in api.list_repo_files("open-web-math/open-web-math", repo_type="dataset") if f.startswith("data/") and f.endswith(".parquet")]
for filename in sorted(files)[args.skip_openwebmath_prefix_count:]:
if stats["tokens"] >= args.target_tokens:
break
try:
local = Path(download_with_retry("open-web-math/open-web-math", filename, args))
before = stats["tokens"]
add_parquet_source(local, f"open-web-math/open-web-math:{filename}", tok, writer, stats, args)
stats["sources"].append({"repo": "open-web-math/open-web-math", "file": filename, "tokens": stats["tokens"] - before})
print(json.dumps({"event": "source_done", "source": f"open-web-math/open-web-math:{filename}", "tokens_added": stats["tokens"] - before, "total_tokens": stats["tokens"]}, ensure_ascii=False), flush=True)
if not args.keep_raw:
try: local.unlink()
except Exception: pass
except Exception as exc:
stats["sources"].append({"repo": "open-web-math/open-web-math", "file": filename, "error": repr(exc)[:1000]})
print(json.dumps({"event": "source_error", "source": f"open-web-math/open-web-math:{filename}", "error": repr(exc)[:1000]}, ensure_ascii=False), flush=True)
if stats["tokens"] < args.target_tokens:
raise SystemExit(f"only collected {stats['tokens']} / {args.target_tokens} tokens")
if final_out.exists():
final_out.replace(final_out.with_suffix(".jsonl.gz.underfilled_20260614"))
tmp_out.replace(final_out)
stats["elapsed_sec"] = time.time() - stats["started_at"]
stats["tokens_by_source"] = dict(stats["tokens_by_source"])
stats["rejected"] = dict(stats["rejected"])
(out_dir / "math_5b_fix_stats.json").write_text(json.dumps(stats, ensure_ascii=False, indent=2), encoding="utf-8")
(out_dir / ".math_5b_ready").write_text(json.dumps({"tokens": stats["tokens"], "docs": stats["docs"], "elapsed_sec": stats["elapsed_sec"]}, ensure_ascii=False), encoding="utf-8")
print(json.dumps({"event": "done", "tokens": stats["tokens"], "docs": stats["docs"], "elapsed_sec": stats["elapsed_sec"], "output": str(final_out)}, ensure_ascii=False), flush=True)
if __name__ == "__main__":
main()