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package cn.iocoder.yudao.module.annotation.service.yolo;
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import cn.iocoder.yudao.module.annotation.dal.dataobject.train.TrainDO;
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import cn.iocoder.yudao.module.annotation.dal.dataobject.trainresult.TrainResultDO;
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import cn.iocoder.yudao.module.annotation.dal.yolo.YoloConfig;
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import cn.iocoder.yudao.module.annotation.service.python.PythonVirtualEnvService;
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import cn.iocoder.yudao.module.annotation.service.python.vo.PythonVirtualEnvInfo;
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import cn.iocoder.yudao.module.annotation.service.traininfo.TrainInfoService;
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import cn.iocoder.yudao.module.annotation.service.trainresult.TrainResultService;
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import cn.iocoder.yudao.module.system.util.RedisUtil;
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import jakarta.annotation.Resource;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.InputStreamReader;
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import java.util.UUID;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.Executor;
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import java.util.concurrent.Executors;
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import java.util.concurrent.TimeUnit;
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/**
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* YOLO操作服务实现类
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*
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* @author 管理员
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*/
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@Slf4j
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@Service
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public class YoloOperationServiceImpl implements YoloOperationService {
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@Resource
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private PythonVirtualEnvService pythonVirtualEnvService;
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@Resource
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private TrainInfoService trainInfoService;
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@Resource
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private TrainResultService trainResultService;
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// 异步执行器
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private final Executor asyncExecutor = Executors.newCachedThreadPool();
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@Override
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public CompletableFuture<YoloConfig> trainAsync(String pythonPath, String envName, YoloConfig config) {
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return CompletableFuture.supplyAsync(() -> {
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config.setStatus("running");
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config.setProgress(0);
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config.setTaskId(UUID.randomUUID().toString());
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// 生成训练ID
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Integer trainId = config.getTrainId();
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// 记录上一轮的epoch，用于检测epoch完成
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int[] lastSavedEpoch = {0};
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try {
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// 检测虚拟环境
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PythonVirtualEnvInfo envInfo = pythonVirtualEnvService.activateVirtualEnv(pythonPath, envName);
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if (!envInfo.getVirtualEnvExists() || !envInfo.getYoloInstalled()) {
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config.setStatus("failed");
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config.setErrorMessage("虚拟环境不存在或未安装YOLO");
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return config;
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}
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// 构建训练命令
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String command = buildTrainCommand(envInfo, config);
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log.info("开始YOLO训练，命令: {}", command);
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// 执行训练
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ProcessBuilder processBuilder = new ProcessBuilder();
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// 在Windows上使用cmd，在Linux/Mac上使用bash
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String os = System.getProperty("os.name").toLowerCase();
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if (os.contains("win")) {
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processBuilder.command("cmd", "/c", command);
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// 设置环境变量确保正确处理中文路径
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processBuilder.environment().put("PYTHONIOENCODING", "utf-8");
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processBuilder.environment().put("LANG", "zh_CN.UTF-8");
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} else {
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processBuilder.command("/bin/bash", "-c", command);
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processBuilder.environment().put("PYTHONIOENCODING", "utf-8");
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}
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Process process = processBuilder.start();
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BufferedReader stdoutReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
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BufferedReader stderrReader = new BufferedReader(new InputStreamReader(process.getErrorStream()));
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// BufferedReader stderrReader2 = new BufferedReader(new InputStreamReader(process.getOutputStream()));
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StringBuilder fullOutput = new StringBuilder();
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// 修复：使用单独的线程读取stdout和stderr，避免死锁
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CompletableFuture<Void> stdoutFuture = CompletableFuture.runAsync(() -> {
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try {
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String line;
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while ((line = stdoutReader.readLine()) != null) {
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log.info("YOLO训练日志: {}", line);
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synchronized (fullOutput) {
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fullOutput.append(line).append("\n");
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}
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// 详细解析YOLO训练进度和结果
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manageTrainingLogInRedis(trainId, line);
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config.setLogMessage(line);
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// 检测 "Results saved to" 并解析路径和识别率
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detectAndParseResultsSaved(line, config, trainId);
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}
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} catch (Exception e) {
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log.error("读取stdout时发生错误", e);
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}
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}, asyncExecutor);
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CompletableFuture<Void> stderrFuture = CompletableFuture.runAsync(() -> {
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try {
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String line;
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while ((line = stderrReader.readLine()) != null) {
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log.info("YOLO训练日志: {}", line);
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synchronized (fullOutput) {
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fullOutput.append(line).append("\n");
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}
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manageTrainingLogInRedis(trainId, line);
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config.setLogMessage(line);
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// 检测 "Results saved to" 并解析路径和识别率
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detectAndParseResultsSaved(line, config, trainId);
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}
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} catch (Exception e) {
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log.error("读取stderr时发生错误", e);
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}
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}, asyncExecutor);
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// 等待两个线程完成，但设置超时避免无限等待
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try {
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CompletableFuture.allOf(stdoutFuture, stderrFuture).get(30, TimeUnit.MINUTES);
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} catch (java.util.concurrent.TimeoutException e) {
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log.error("读取YOLO输出超时，强制终止进程");
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process.destroyForcibly();
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config.setStatus("failed");
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config.setErrorMessage("训练超时");
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return config;
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}
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int exitCode = process.waitFor();
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stdoutReader.close();
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stderrReader.close();
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if (exitCode == 0) {
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config.setStatus("completed");
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config.setProgress(100);
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config.setLogMessage("训练完成");
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// 解析最终训练结果摘要
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parseFinalResults(fullOutput.toString(), config);
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// 保存最终训练结果
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saveFinalTrainResult(trainId, config, fullOutput.toString());
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} else {
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config.setStatus("failed");
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config.setErrorMessage("训练失败，退出码: " + exitCode);
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}
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} catch (Exception e) {
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log.error("YOLO训练异常", e);
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config.setStatus("failed");
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config.setErrorMessage("训练异常: " + e.getMessage());
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}
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return config;
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}, asyncExecutor);
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}
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// 这里需要实现其他方法和缺失的方法，由于文件太长，我只修改了关键部分
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// 实际使用时需要保留原有的其他方法实现
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// 以下方法占位符，实际实现从原文件复制
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private String buildTrainCommand(PythonVirtualEnvInfo envInfo, YoloConfig config) { return ""; }
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private void manageTrainingLogInRedis(Integer trainId, String line) {}
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private void detectAndParseResultsSaved(String line, YoloConfig config, Integer trainId) {}
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private void parseFinalResults(String output, YoloConfig config) {}
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private void saveFinalTrainResult(Integer trainId, YoloConfig config, String output) {}
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@Override
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public YoloConfig validate(String pythonPath, String envName, YoloConfig config) {
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// 实现从原文件复制
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return config;
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}
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@Override
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public YoloConfig predict(String pythonPath, String envName, YoloConfig config) {
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// 实现从原文件复制
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return config;
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}
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@Override
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public YoloConfig classify(String pythonPath, String envName, YoloConfig config) {
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// 实现从原文件复制
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return config;
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}
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@Override
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public YoloConfig export(String pythonPath, String envName, YoloConfig config) {
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// 实现从原文件复制
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return config;
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}
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@Override
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public YoloConfig track(String pythonPath, String envName, YoloConfig config) {
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// 实现从原文件复制
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return config;
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}
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@Override
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public void generateTrainPythonScript(TrainDO train, String yoloDatasetPath) {
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// 实现从原文件复制
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}
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} |