cat-shark
89 lines
2.4 KiB
TypeScript
89 lines
2.4 KiB
TypeScript
/**
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* Python工具模块
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* 提供Python可执行文件路径查找和验证
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*/
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import * as fs from 'fs';
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import * as path from 'path';
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import {spawn} from 'child_process';
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import { getPythonExecutablePath, resourceExists, isDevelopment } from './resource-path';
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/**
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* 获取Python可执行文件路径
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* ⚠️ 只使用程序自带的 Python，不依赖系统环境
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* 如果找不到自带的 Python，会抛出错误
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*/
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export function getPythonPath(): string {
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const bundledPythonPath = getPythonExecutablePath();
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const isDev = isDevelopment();
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console.log('[getPythonPath]', {
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isDev,
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bundledPythonPath,
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exists: resourceExists(bundledPythonPath)
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});
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if (resourceExists(bundledPythonPath)) {
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console.log('[getPythonPath] ✅ 找到程序自带的 Python:', bundledPythonPath);
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return bundledPythonPath;
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}
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// ❌ 找不到自带的 Python - 这是严重错误，应该报错
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const errorMsg = `❌ 程序自带的 Python 不存在: ${bundledPythonPath}\n` +
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`环境: ${isDev ? '开发环境' : '生产环境'}\n` +
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`请确认程序是否正确安装，或重新安装程序。`;
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console.error('[getPythonPath]', errorMsg);
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throw new Error(errorMsg);
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}
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/**
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* 验证Python是否可用
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* @returns Promise<boolean>
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*/
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export async function verifyPython(): Promise<boolean> {
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return new Promise((resolve) => {
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const pythonPath = getPythonPath();
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const process = spawn(pythonPath, ['--version']);
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process.on('close', (code) => {
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resolve(code === 0);
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});
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process.on('error', () => {
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resolve(false);
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});
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});
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}
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/**
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* 获取Python版本信息
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* @returns Promise<string | null>
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*/
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export async function getPythonVersion(): Promise<string | null> {
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return new Promise((resolve) => {
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const pythonPath = getPythonPath();
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const process = spawn(pythonPath, ['--version']);
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let output = '';
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process.stdout.on('data', (data) => {
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output += data.toString();
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});
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process.stderr.on('data', (data) => {
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output += data.toString();
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});
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process.on('close', (code) => {
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if (code === 0 && output) {
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resolve(output.trim());
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} else {
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resolve(null);
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}
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});
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process.on('error', () => {
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resolve(null);
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});
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});
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} |