methods/ALGO/parallel_exe.py

import os
import json
from datetime import datetime
from load_data import get_data, save_back_results
from excute_tool_linux_parallel import run_cpp_code_linux
from multiprocessing import Pool, cpu_count
from tqdm import tqdm
import logging

import re

def is_decimal(s):
    try:
        a = float(s)
    except:
        return False
        
    return bool(re.match(r"^-?\d+\.\d+$", s))

def get_testcases(testcase_path):
    data = []
    if not os.path.exists(testcase_path):
        return []
    with open(testcase_path, 'r', encoding='utf-8') as f:
        for line in f:
            if line.strip():
                data.append(json.loads(line))
    return data

def check_difference(arr):
    if not is_decimal(arr[0]):
        return False
    # 遍历每一对元素
    for i in range(len(arr)):
        for j in range(i + 1, len(arr)):
            # 计算差异并判断是否满足条件
            if abs(float(arr[i]) - float(arr[j])) > 1e-6:
                return False  # 如果有任何一对差异大于 1e-6，则返回 False
    return True  # 所有对的差异都不大于 1e-6，返回 True

def append_dict_to_jsonl(file_path, data_dict):
    with open(file_path, 'a', encoding='utf-8') as f:
        f.write(json.dumps(data_dict, ensure_ascii=False) + '\n')

def setup_logging():
    os.makedirs("logs", exist_ok=True)
    log_file = f"logs/execution_{datetime.now().strftime('%Y%m%d_%H%M%S')}.log"
    
    logging.basicConfig(
        level=logging.INFO,
        format='%(asctime)s - %(levelname)s - %(message)s',
        handlers=[
            logging.FileHandler(log_file),
            logging.StreamHandler()
        ]
    )
    return logging.getLogger()

def process_code_with_logging(data_item):
    """包装函数，用于添加日志"""
    problem_id = data_item["problem_id"]
    try:
        result = run_cpp_code_linux(data_item)
        status = result.get("error", "Unknown")
        logger.info(f"执行完成 - 问题ID: {problem_id}, 状态: {status}")
        return result
    except Exception as e:
        logger.error(f"执行异常 - 问题ID: {problem_id}, 错误: {str(e)}")
        data_item["error"] = ["EXE"]
        data_item["details"] = str(e)
        return data_item


def save_results(results, correct_code_output_file, output_file):
    """保存结果到文件"""
    
    # 初始化结果字典
    problem_results = {}
    status_counts = {"AC": 0, "CE": 0, "TLE": 0, "MLE": 0, "RE": 0, "WA": 0, "EXE": 0}
    
    # 分类归整结果
    for result in results:
        problem_id = result["problem_id"]
        code_id = result["code_id"]
        status = result.get("error", "Unknown")
        
        # 更新状态计数
        # if status in status_counts:
        #     status_counts[status] += 1
        # if len(status) == 0:
        #     status_counts["AC"] += 1

        for status_name in status_counts.keys():
            if status_name == "AC" and not all(sta == "AC" for sta in status):
                continue
            if status_name in status:
                status_counts[status_name] += 1
        
        # 加入问题结果集
        if problem_id not in problem_results:
            problem_results[problem_id] = {
                "problem_id": problem_id,
                "codes": [],
                "time_limit": result["time_limit"],
                "memory_limit": result["memory_limit"],
                "test_cases": result["test_cases"]
            }
        
        # 添加代码执行结果
        problem_results[problem_id]["codes"].append({
            "code_id": code_id,
            "code": result["code"],
            "status": status,
            "details": result.get("details", "")
        })
        # 保存完整结果
    with open(output_file, "w", encoding="utf-8") as f:
        json.dump(problem_results, f, indent=3)
    
    # 保存正确的代码（AC状态）
    correct_codes = {}
    for problem_id, problem_data in problem_results.items():
        correct_problem_codes = []
        for code_info in problem_data["codes"]:
            if all(status == "AC" for status in code_info["status"]):
                correct_problem_codes.append({
                    "code_id": code_info["code_id"],
                    "code": code_info["code"]
                })
        
        if correct_problem_codes:
            correct_codes[problem_id] = {
                "problem_id": problem_id,
                "codes": correct_problem_codes,
                "time_limit": problem_data["time_limit"],
                "memory_limit": problem_data["memory_limit"],
                "test_cases": problem_data["test_cases"]
            }
    
    # 保存正确代码结果
    with open(correct_code_output_file, "w", encoding="utf-8") as f:
        json.dump(correct_codes, f, indent=3)
    
    # 返回状态统计
    return status_counts, problem_results

if __name__ == "__main__":
    datasets_name = "tcb"
    testcase_alg = "lcb"
    save_dir = f"/home/i-luoxianzhen/data/TestCase-Gen/saved_test_filterd/{testcase_alg}/" + "tests-{}.jsonl"
    test_dir = f"/home/i-luoxianzhen/data/TestCase-Gen/save_tests_scaling/{testcase_alg}/" + "tests-{}.jsonl"
    pass_rate_save_file = f"/home/i-luoxianzhen/data/TestCase-Gen/saved_test_filterd/{testcase_alg}/test_pass_rate.jsonl"

    logger = setup_logging()
    logger.info("开始执行代码评估...")

    data = get_data(name=datasets_name, prefix_dir=test_dir, save_dir=save_dir)
    logger.info(f"加载了 {len(data)} 个代码项目")
    cpu = 50


    logger.info(f"使用 {cpu} 个CPU核心进行并行处理")

    with Pool(cpu) as pool:
        results = list(tqdm(
            pool.imap_unordered(process_code_with_logging, data),
            total=len(data),
            desc="执行进度"
        ))
    logger.info("所有代码执行完成 - 开始保存筛选后的测试样例")

    result_dict = {}
    for item in results:
        if item['problem_id'] not in result_dict.keys():
            result_dict[item['problem_id']] = [item, ]
        else:
            result_dict[item['problem_id']].append(item)

    for k, v in result_dict.items():
        testcases = get_testcases(test_dir.format(k))
        save_path = save_dir.format(k)
        status_array_length = len(v[0]["error"])
        saved_nums = 0
        for i in range(status_array_length):
            all_AC = True 
            
            ## 部分输出为空的，如果新的输出全部一致也可以保留
            all_WA = True
            output_list = []
            for item in v:

                if item["error"][i] == "EXE":
                    all_AC = False
                    all_WA = False
                    break

                output_list.append(item['details'][i])
                if not item["error"][i] == "AC":
                    all_AC = False
                
                if not item["error"][i] == "WA":
                    all_WA = False

            if all_AC:
                append_dict_to_jsonl(save_path, testcases[i])
                saved_nums += 1

            if all_WA and (len(list(set(output_list))) == 1 or check_difference(output_list)):
                testcases[i]['output'] = output_list[0]
                append_dict_to_jsonl(save_path, testcases[i])
                saved_nums += 1

        append_dict_to_jsonl(pass_rate_save_file, {
            "tcb_id": k,
            "gen_nums": len(testcases),
            "right_nums": saved_nums
        })