a / process_aime_2024.py
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#!/usr/bin/env python3
import argparse
import hashlib
import json
import os
import re
from typing import Any, Dict, Iterable, List, Optional
import pandas as pd
from datasets import load_dataset
import math
import numpy as np
# -----------------------------
# 工具函数
# -----------------------------
def to_jsonable(obj: Any) -> Any:
"""
递归把 numpy / pandas 对象转成 json 可序列化的原生 Python 类型。
"""
# None / 基本类型
if obj is None or isinstance(obj, (str, int, bool)):
return obj
if isinstance(obj, float):
if math.isnan(obj) or math.isinf(obj):
return None
return obj
# numpy 标量
if isinstance(obj, np.generic):
value = obj.item()
if isinstance(value, float) and (math.isnan(value) or math.isinf(value)):
return None
return value
# numpy 数组
if isinstance(obj, np.ndarray):
return [to_jsonable(x) for x in obj.tolist()]
# pandas 缺失值 / numpy 缺失值
try:
if pd.isna(obj):
return None
except Exception:
pass
# dict
if isinstance(obj, dict):
return {str(k): to_jsonable(v) for k, v in obj.items()}
# list / tuple / set
if isinstance(obj, (list, tuple, set)):
return [to_jsonable(x) for x in obj]
# 兜底
return str(obj)
def normalize_text(x: Any) -> str:
if x is None:
return ""
s = str(x)
s = s.replace("\r\n", "\n").replace("\r", "\n")
s = re.sub(r"\s+", " ", s).strip()
return s
def safe_dict(x: Any) -> Dict[str, Any]:
return x if isinstance(x, dict) else {}
def safe_list(x: Any) -> List[Any]:
return x if isinstance(x, list) else []
def extract_prompt_text(prompt_obj: Any) -> str:
"""
将 prompt(list[dict]) 抽取为纯文本。
例如:
[{"role": "user", "content": "..."}]
-> "..."
"""
prompt_list = safe_list(prompt_obj)
parts: List[str] = []
for item in prompt_list:
if isinstance(item, dict):
content = item.get("content")
if content is not None:
parts.append(str(content))
elif item is not None:
parts.append(str(item))
return "\n\n".join(p.strip() for p in parts if str(p).strip())
def make_dedup_key(row: Dict[str, Any]) -> str:
"""
优先用原始题面 raw_problem 去重;若缺失,则退化到 prompt_text;
再不行则对整行做稳定哈希。
"""
raw_problem = normalize_text(row.get("problem"))
if raw_problem:
return f"problem::{raw_problem}"
prompt_text = normalize_text(row.get("prompt_text"))
if prompt_text:
return f"prompt::{prompt_text}"
stable = json.dumps(row, ensure_ascii=False, sort_keys=True)
return "hash::" + hashlib.sha256(stable.encode("utf-8")).hexdigest()
def ensure_parent_dir(path: str) -> None:
parent = os.path.dirname(os.path.abspath(path))
if parent:
os.makedirs(parent, exist_ok=True)
# -----------------------------
# 数据读取
# -----------------------------
def load_from_hf(repo_id: str, split: str) -> pd.DataFrame:
ds = load_dataset(repo_id, split=split)
# 数据量很小(页面显示 960 rows),这里直接转 DataFrame 即可。
return ds.to_pandas()
# -----------------------------
# 数据整理与去重
# -----------------------------
def flatten_records(df: pd.DataFrame) -> pd.DataFrame:
rows: List[Dict[str, Any]] = []
for _, rec in df.iterrows():
reward_model = safe_dict(rec.get("reward_model"))
extra_info = safe_dict(rec.get("extra_info"))
row = {
"data_source": rec.get("data_source"),
"ability": rec.get("ability"),
"prompt_text": extract_prompt_text(rec.get("prompt")),
"problem": extra_info.get("raw_problem"),
"answer": reward_model.get("ground_truth"),
"style": reward_model.get("style"),
"source_index": extra_info.get("index"),
"split": extra_info.get("split"),
# 保留原始嵌套字段,方便后续追溯
"prompt": rec.get("prompt"),
"reward_model": reward_model,
"extra_info": extra_info,
"__index_level_0__": rec.get("__index_level_0__"),
}
row["dedup_key"] = make_dedup_key(row)
rows.append(row)
out = pd.DataFrame(rows)
return out
def deduplicate(df: pd.DataFrame) -> pd.DataFrame:
# 先按原始顺序稳定排序,保证 keep='first' 时行为可预期
sort_cols = [c for c in ["__index_level_0__", "source_index"] if c in df.columns]
if sort_cols:
df = df.sort_values(by=sort_cols, kind="stable").reset_index(drop=True)
deduped = df.drop_duplicates(subset=["dedup_key"], keep="first").reset_index(drop=True)
deduped.insert(0, "id", range(len(deduped)))
return deduped
# -----------------------------
# 输出
# -----------------------------
def write_jsonl(records: Iterable[Dict[str, Any]], path: str) -> None:
ensure_parent_dir(path)
with open(path, "w", encoding="utf-8") as f:
for row in records:
f.write(json.dumps(to_jsonable(row), ensure_ascii=False) + "\n")
def main() -> None:
parser = argparse.ArgumentParser(description="下载/读取 HF 数据集,去重后导出 JSONL 和 Parquet")
parser.add_argument("--repo-id", default="BytedTsinghua-SIA/AIME-2024", help="Hugging Face dataset repo id")
parser.add_argument("--split", default="train", help="数据集 split,默认 train")
parser.add_argument("--save-raw-parquet", default="", help="可选:保存未去重原始 parquet")
parser.add_argument("--jsonl", required=True, help="输出 jsonl 路径")
parser.add_argument("--parquet", required=True, help="输出 parquet 路径")
args = parser.parse_args()
raw_df = load_from_hf(args.repo_id, args.split)
if args.save_raw_parquet:
ensure_parent_dir(args.save_raw_parquet)
raw_df.to_parquet(args.save_raw_parquet, index=False)
flat_df = flatten_records(raw_df)
dedup_df = deduplicate(flat_df)
# 导出前选择更适合作为下游训练/评测输入的列。
output_cols = [
"id",
"problem",
"answer",
"prompt_text",
"data_source",
"ability",
"style",
"source_index",
"split",
"dedup_key",
"prompt",
"reward_model",
"extra_info",
"__index_level_0__",
]
output_cols = [c for c in output_cols if c in dedup_df.columns]
final_df = dedup_df[output_cols].copy()
# JSONL
records = final_df.to_dict(orient="records")
write_jsonl(records, args.jsonl)
# Parquet
ensure_parent_dir(args.parquet)
final_df.to_parquet(args.parquet, index=False)
print(f"原始行数: {len(raw_df)}")
print(f"去重后行数: {len(final_df)}")
print(f"删除重复行数: {len(raw_df) - len(final_df)}")
print(f"JSONL 已写出: {args.jsonl}")
print(f"Parquet 已写出: {args.parquet}")
if __name__ == "__main__":
main()