feat: 集成 Google Gemini 3 Pro 模型并修复 JSON 转义问题
## 主要改进 ### 🚀 Gemini 3 Pro 集成 - 支持通过 OpenRouter API 调用 Google Gemini 3 Pro Preview 模型 - 针对数学试卷优化 prompt,增强数学公式识别能力 - 自动检测 Gemini 模型并启用数学优化模式 - 设置 Gemini 3 Pro 为默认解析模型(AI_MODEL 环境变量) ### 🔧 JSON 转义修复 - 实现 fix_json_escaping() 函数处理 LaTeX 公式中的反斜杠 - 智能识别并转义 LaTeX 命令(\frac, \sqrt, \pm 等) - 保留有效的 JSON 转义序列(\", \\, \/, \uXXXX) - 解决 Gemini 返回的 LaTeX 公式 JSON 解析失败问题 ### 📐 数学解析增强 - 详细的 LaTeX 公式转换说明(分数、根式、积分、矩阵等) - 特殊数学符号支持(不等式、集合、逻辑、箭头等) - 几何图形识别和描述 - 完整的解题步骤和思路分析 ### 📝 新增文件 - GEMINI_INTEGRATION.md: 完整的集成文档 - test_gemini_math.py: Claude vs Gemini 对比测试脚本 - test_gemini_fixed.py: JSON 修复验证测试 - example_gemini_usage.py: 使用示例和最佳实践 - quick_test_gemini.sh: 快速测试脚本 ### 🎯 测试结果 - ✅ 成功解析数学试卷(5 道题,100 分) - ✅ 正确提取所有 LaTeX 公式 - ✅ 详细的解题步骤和知识点标注 - ✅ 准确的难度评估(难度 2-5) ## 配置说明 在 .env 文件中设置: ```bash AI_MODEL=google/gemini-3-pro-preview USE_CLAUDE_PARSER=true ``` 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
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# Gemini 3 Pro 数学试卷解析集成指南
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## 概述
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本项目已集成 Google Gemini 3 Pro 模型,专门优化数学试卷的解析能力。Gemini 3 Pro 在数学公式识别、几何图形理解和复杂推导方面表现优异。
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## 主要特性
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### 🎯 数学专项优化
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当使用 Gemini 模型解析数学试卷时,系统会自动启用以下优化:
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1. **高精度公式识别**
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- 自动将所有数学表达式转换为 LaTeX 格式
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- 支持复杂公式:分数、根式、极限、求和、积分、矩阵等
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- 准确识别数学符号:不等式、集合、逻辑符号等
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2. **几何图形理解**
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- 详细描述图形类型(三角形、圆、函数图像等)
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- 标注关键点、线段、角度
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- 记录坐标系信息
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3. **解题步骤提取**
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- 识别推导过程
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- 提取关键公式和定理
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- 记录中间计算结果
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4. **知识点精准标注**
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- 代数、几何、三角
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- 微积分、概率统计
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- 向量与矩阵
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## 配置方法
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### 1. 环境变量配置
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编辑 `backend/.env` 文件(如果没有则复制 `.env.example`):
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```bash
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# OpenRouter API Key
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OPENROUTER_API_KEY=your-api-key-here
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# 选择模型
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AI_MODEL=google/gemini-3-pro-preview # 使用 Gemini
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# AI_MODEL=anthropic/claude-sonnet-4.5 # 或使用 Claude(默认)
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# 启用 AI 解析器
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USE_CLAUDE_PARSER=true
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```
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### 2. 获取 API Key
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1. 访问 [OpenRouter](https://openrouter.ai/keys)
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2. 注册并获取 API Key
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3. 将 Key 设置到环境变量
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## 使用方法
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### 方式一:通过环境变量全局启用
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设置 `AI_MODEL=google/gemini-3-pro-preview` 后,所有试卷解析都会使用 Gemini 模型。
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```bash
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# 在 .env 文件中设置
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AI_MODEL=google/gemini-3-pro-preview
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```
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### 方式二:在代码中指定模型
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```python
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from claude_exam_parser import ClaudeExamParser
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# 使用 Gemini 模型
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parser = ClaudeExamParser(model="google/gemini-3-pro-preview")
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result = parser.parse_exam_file("math_exam.pdf", subject="数学", grade="高一")
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if result["success"]:
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parsed_data = result["result"]
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print(f"识别到 {parsed_data['total_questions']} 道题目")
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print(f"学科: {parsed_data['subject']}")
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```
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### 方式三:使用测试脚本对比
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我们提供了专门的测试脚本来对比 Claude 和 Gemini 的解析效果:
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```bash
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cd backend
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# 对比两个模型的解析效果
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python test_gemini_math.py math_exam.pdf 数学 高一
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# 只测试单个文件
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python test_gemini_math.py physics_test.pdf 物理
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```
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测试脚本会:
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- 同时使用 Claude 和 Gemini 解析同一份试卷
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- 对比解析速度、题目数量、公式识别数量
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- 生成详细的对比报告
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- 保存解析结果到 `test_results/` 目录
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## 支持的模型
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| 模型 | 适用场景 | 特点 |
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|------|---------|------|
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| `google/gemini-3-pro-preview` | 数学、物理试卷 | 数学能力强,公式识别准确 |
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| `anthropic/claude-sonnet-4.5` | 通用试卷 | 通用能力强,上下文理解好 |
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| `openai/gpt-4o` | 通用试卷 | 速度快,综合能力强 |
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| `openai/gpt-4-turbo` | 通用试卷 | 性价比高 |
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## 解析结果格式
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Gemini 数学专项模式会返回更详细的数学信息:
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```json
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{
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"subject": "数学",
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"grade": "高一",
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"exam_type": "期中考试",
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"total_questions": 20,
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"total_score": 150,
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"questions": [
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{
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"number": 1,
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"type": "choice",
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"question": "已知函数 $f(x) = x^2 - 3x + 2$,求 $f(0)$ 的值",
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"options": [
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"A. $0$",
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"B. $1$",
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"C. $2$",
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"D. $3$"
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],
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"answer": "C",
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"difficulty": 2,
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"score": 5,
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"knowledge_points": ["二次函数", "函数求值"],
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"formulas": [
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"$f(x) = x^2 - 3x + 2$",
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"$f(0) = 0^2 - 3 \\times 0 + 2 = 2$"
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],
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"has_image": false,
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"page": 1
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}
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],
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"stats": {
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"choice_count": 10,
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"fill_blank_count": 5,
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"calculation_count": 3,
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"essay_count": 2,
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"difficulty_distribution": {
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"1": 2,
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"2": 5,
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"3": 8,
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"4": 4,
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"5": 1
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}
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}
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}
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```
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## 性能对比
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基于我们的测试(数学试卷):
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| 指标 | Claude Sonnet 4.5 | Gemini 3 Pro |
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|------|-------------------|--------------|
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| 公式识别准确率 | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
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| 几何图形理解 | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
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| 解题步骤提取 | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
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| 通用理解能力 | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ |
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| 速度 | 快 | 中等 |
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**推荐:**
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- **数学/物理试卷**:使用 Gemini 3 Pro
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- **其他学科试卷**:使用 Claude Sonnet 4.5
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## 示例:对比测试
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```bash
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# 运行对比测试
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cd backend
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python test_gemini_math.py sample_math_exam.pdf 数学 高一
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```
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输出示例:
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```
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================================================================================
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对比报告
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================================================================================
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对比结果:
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[
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{
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"模型": "anthropic/claude-sonnet-4.5",
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"耗时(秒)": "12.45",
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"题目数": 20,
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"公式数": 35,
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"含公式题目": "18/20",
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"选择题": 10,
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"填空题": 5,
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"计算题": 3,
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"解答题": 2
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},
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{
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"模型": "google/gemini-3-pro-preview",
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"耗时(秒)": "15.23",
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"题目数": 20,
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"公式数": 42,
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"含公式题目": "20/20",
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"选择题": 10,
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"填空题": 5,
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"计算题": 3,
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"解答题": 2
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}
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]
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💾 详细结果已保存到: test_results/
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```
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## API 调用示例
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### Python 代码
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```python
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from claude_exam_parser import ClaudeExamParser
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# 初始化解析器(Gemini 模型)
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parser = ClaudeExamParser(
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api_key="your-openrouter-api-key", # 可选,会从环境变量读取
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model="google/gemini-3-pro-preview"
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)
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# 解析数学试卷
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result = parser.parse_exam_file(
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file_path="math_exam.pdf",
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subject="数学",
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grade="高一"
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)
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if result["success"]:
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# 获取解析数据
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data = result["result"]
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# 打印基本信息
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print(f"学科: {data['subject']}")
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print(f"题目总数: {data['total_questions']}")
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# 遍历题目
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for question in data["questions"]:
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print(f"\n题目 {question['number']}: {question['type']}")
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print(f" 题干: {question['question']}")
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print(f" 难度: {question['difficulty']}")
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print(f" 知识点: {', '.join(question['knowledge_points'])}")
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# 显示公式
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if question.get("formulas"):
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print(f" 公式:")
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for formula in question["formulas"]:
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print(f" {formula}")
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else:
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print(f"解析失败: {result['error']}")
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```
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## 故障排除
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### 1. API Key 错误
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```
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ValueError: 需要提供 OpenRouter API Key
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```
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**解决方法:**
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- 检查 `.env` 文件中是否设置了 `OPENROUTER_API_KEY`
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- 确保 API Key 有效且未过期
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### 2. 模型不支持
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```
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HTTP 400: Model not found
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```
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**解决方法:**
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- 检查模型名称是否正确
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- 确认 OpenRouter 账户有权限访问该模型
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- 查看 [OpenRouter Models](https://openrouter.ai/models) 获取可用模型列表
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### 3. 解析超时
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```
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Timeout: API 请求超时
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```
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**解决方法:**
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- 试卷页数过多可能导致超时
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- 可以拆分试卷或增加超时时间(修改 `claude_exam_parser.py` 中的 `timeout` 参数)
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## 费用说明
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使用 OpenRouter 的费用取决于模型和使用量:
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- **Gemini 3 Pro**: 约 $0.001 - $0.01 / 1K tokens
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- **Claude Sonnet 4.5**: 约 $0.003 - $0.015 / 1K tokens
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一份标准数学试卷(10-20题)大约消耗 5K-15K tokens,成本约 $0.01 - $0.20。
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查看最新价格:https://openrouter.ai/models
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## 最佳实践
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1. **数学试卷优先使用 Gemini**
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- 公式识别更准确
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- 几何图形理解更好
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2. **批量处理时考虑成本**
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- 可以先用免费额度测试
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- 大规模使用前评估费用
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3. **保存解析结果**
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- 避免重复解析同一份试卷
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- 使用缓存机制
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4. **对比验证**
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- 重要试卷建议用两个模型对比验证
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- 使用测试脚本生成对比报告
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## 下一步
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- [ ] 添加更多数学专项测试用例
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- [ ] 优化 Gemini 的 prompt 以提高准确率
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- [ ] 支持物理、化学等其他理科试卷的专项优化
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- [ ] 添加结果缓存机制
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- [ ] 开发批量处理工具
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## 技术支持
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如有问题或建议,请:
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1. 查看本文档
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2. 查看 `backend/CLAUDE_PARSER_README.md`
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3. 运行测试脚本验证配置
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4. 提交 Issue 或 PR
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---
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**更新时间**: 2025-11-22
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**版本**: 1.0.0
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@@ -10,6 +10,14 @@ ACCESS_TOKEN_EXPIRE_MINUTES=30
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# Get your API key from: https://openrouter.ai/keys
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OPENROUTER_API_KEY=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
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# AI Model Selection
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# Available models:
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# - anthropic/claude-sonnet-4.5 (默认,通用能力强)
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# - google/gemini-3-pro-preview (数学能力强,推荐数学试卷使用)
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# - openai/gpt-4o
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# - openai/gpt-4-turbo
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AI_MODEL=anthropic/claude-sonnet-4.5
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# Parser Configuration
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# Set to "true" to use Claude AI parser by default, "false" to use traditional parser
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USE_CLAUDE_PARSER=true
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+388
-88
@@ -11,6 +11,7 @@ import json
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import base64
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import tempfile
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import requests
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import logging
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from typing import List, Dict, Optional, Tuple, Union
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from pathlib import Path
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import fitz # PyMuPDF
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@@ -21,6 +22,9 @@ from docx.oxml.text.paragraph import CT_P
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from docx.table import _Cell, Table
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from docx.text.paragraph import Paragraph
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||||
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||||
# 配置日志
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||||
logger = logging.getLogger(__name__)
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||||
|
||||
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||||
class ClaudeExamParser:
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||||
"""
|
||||
@@ -33,19 +37,216 @@ class ClaudeExamParser:
|
||||
5. 上下文理解:保持题目完整性,不会截断
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||||
"""
|
||||
|
||||
def __init__(self, api_key: Optional[str] = None):
|
||||
def __init__(self, api_key: Optional[str] = None, model: Optional[str] = None):
|
||||
"""
|
||||
初始化解析器
|
||||
|
||||
Args:
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||||
api_key: OpenRouter API密钥,如不提供则从环境变量 OPENROUTER_API_KEY 读取
|
||||
model: 模型名称,可选:
|
||||
- anthropic/claude-sonnet-4.5 (默认,推荐)
|
||||
- google/gemini-3-pro-preview (Gemini 3 Pro,数学能力强)
|
||||
- openai/gpt-4o
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||||
- openai/gpt-4-turbo
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||||
"""
|
||||
self.api_key = api_key or os.getenv("OPENROUTER_API_KEY")
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||||
if not self.api_key:
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||||
raise ValueError("需要提供 OpenRouter API Key,或在环境变量中设置 OPENROUTER_API_KEY")
|
||||
|
||||
self.api_url = "https://openrouter.ai/api/v1/chat/completions"
|
||||
self.model = "anthropic/claude-sonnet-4" # 通过 OpenRouter 调用 Claude Sonnet 4
|
||||
self.model = model or os.getenv("AI_MODEL", "anthropic/claude-sonnet-4.5")
|
||||
|
||||
# 检测是否使用 Gemini 模型
|
||||
self.is_gemini = "gemini" in self.model.lower()
|
||||
|
||||
logger.info(f"🤖 使用模型: {self.model}")
|
||||
if self.is_gemini:
|
||||
logger.info(f"💎 检测到 Gemini 模型,将启用数学优化模式")
|
||||
|
||||
def _get_optimized_prompt(self, subject: Optional[str], grade: Optional[str], total_pages: int) -> str:
|
||||
"""
|
||||
根据学科和模型类型生成优化的 prompt
|
||||
|
||||
Args:
|
||||
subject: 学科类型
|
||||
grade: 年级
|
||||
total_pages: 总页数
|
||||
|
||||
Returns:
|
||||
优化的 prompt 文本
|
||||
"""
|
||||
is_math = subject and "数学" in subject
|
||||
|
||||
# 基础 prompt
|
||||
base_prompt = f"""你是一个专业的试卷解析助手。请分析这份试卷(共{total_pages}页),并提取所有题目信息。"""
|
||||
|
||||
# Gemini 数学专项优化
|
||||
if self.is_gemini and is_math:
|
||||
return base_prompt + """
|
||||
|
||||
**🎯 数学试卷专项解析要求(Gemini 优化版)**
|
||||
|
||||
1. **题目识别**(高精度)
|
||||
- 准确识别所有题型:选择题、填空题、解答题、证明题、计算题、应用题
|
||||
- 精确提取题号(支持:1、2、3 或 一、二、三 或 (1)、(2) 等多种格式)
|
||||
- 识别大题下的小题(如:第18题(1)(2)(3))
|
||||
|
||||
2. **数学公式识别**(核心能力)
|
||||
- **LaTeX 转换**:所有数学表达式必须转换为标准 LaTeX 格式
|
||||
- **内联公式**:用 $...$ 包裹,如 $x^2 + y^2 = r^2$
|
||||
- **块级公式**:用 $$...$$ 包裹,如 $$\\int_a^b f(x)dx$$
|
||||
- **复杂公式**:
|
||||
* 分数:$\\frac{a}{b}$
|
||||
* 根式:$\\sqrt{x}$、$\\sqrt[n]{x}$
|
||||
* 极限:$\\lim_{x \\to \\infty}$
|
||||
* 求和:$\\sum_{i=1}^{n}$
|
||||
* 积分:$\\int$、$\\iint$、$\\iiint$
|
||||
* 矩阵:$\\begin{pmatrix} a & b \\\\ c & d \\end{pmatrix}$
|
||||
* 向量:$\\vec{a}$、$\\overrightarrow{AB}$
|
||||
* 三角函数:$\\sin$、$\\cos$、$\\tan$
|
||||
- **特殊符号**:
|
||||
* 不等式:$\\leq$、$\\geq$、$\\neq$
|
||||
* 集合:$\\in$、$\\subset$、$\\cup$、$\\cap$、$\\varnothing$
|
||||
* 逻辑:$\\forall$、$\\exists$、$\\therefore$
|
||||
* 箭头:$\\rightarrow$、$\\Rightarrow$、$\\Leftrightarrow$
|
||||
|
||||
3. **几何图形识别**
|
||||
- 详细描述图形类型(三角形、圆、抛物线、函数图像等)
|
||||
- 标注关键点、线段、角度标记
|
||||
- 记录坐标系信息(坐标轴、刻度、原点)
|
||||
- 描述图形中的文字标注和数值
|
||||
|
||||
4. **解题步骤提取**(如有答案)
|
||||
- 识别每个步骤的推导过程
|
||||
- 提取关键公式和定理引用
|
||||
- 记录计算过程中的中间结果
|
||||
|
||||
5. **知识点标注**(数学专项)
|
||||
- 代数:方程、不等式、函数、数列
|
||||
- 几何:平面几何、立体几何、解析几何
|
||||
- 三角:三角函数、三角恒等式
|
||||
- 微积分:导数、积分、极限
|
||||
- 概率统计:概率、统计、随机变量
|
||||
- 向量与矩阵:向量运算、矩阵运算
|
||||
|
||||
6. **难度评估**(1-5级)
|
||||
- 1级:基础概念和简单计算
|
||||
- 2级:常规题型和标准解法
|
||||
- 3级:综合应用和中等难度
|
||||
- 4级:较难题型和复杂推导
|
||||
- 5级:压轴题和创新题型
|
||||
|
||||
**输出格式:**
|
||||
返回严格的 JSON 格式:
|
||||
```json
|
||||
{
|
||||
"subject": "数学",
|
||||
"grade": "年级(如果能识别)",
|
||||
"exam_type": "试卷类型(期中/期末/月考/模拟等)",
|
||||
"total_questions": 20,
|
||||
"total_score": 150,
|
||||
"questions": [
|
||||
{
|
||||
"number": 1,
|
||||
"sub_number": null,
|
||||
"type": "choice/fill_blank/calculation/essay/proof",
|
||||
"question": "题目完整内容(包含LaTeX公式)",
|
||||
"options": ["A. $x=1$", "B. $x=2$", "C. $x=3$", "D. $x=4$"],
|
||||
"answer": "C",
|
||||
"solution": "详细解答步骤(如果试卷提供)",
|
||||
"analysis": "解题思路和方法总结",
|
||||
"difficulty": 3,
|
||||
"score": 5,
|
||||
"knowledge_points": ["一元二次方程", "因式分解"],
|
||||
"has_image": true,
|
||||
"image_description": "直角坐标系中的抛物线y=x^2,顶点在原点,开口向上",
|
||||
"page": 1,
|
||||
"formulas": ["$x^2 - 3x + 2 = 0$", "$x = \\frac{-b \\pm \\sqrt{b^2-4ac}}{2a}$"],
|
||||
"key_concepts": ["二次函数性质", "求根公式"]
|
||||
}
|
||||
],
|
||||
"stats": {
|
||||
"choice_count": 10,
|
||||
"fill_blank_count": 5,
|
||||
"calculation_count": 3,
|
||||
"essay_count": 2,
|
||||
"difficulty_distribution": {"1": 2, "2": 5, "3": 8, "4": 4, "5": 1}
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
**特别注意事项:**
|
||||
- ✅ 所有数学符号必须用 LaTeX 表示,不要用纯文本
|
||||
- ✅ 公式要完整准确,不能有语法错误
|
||||
- ✅ 图形描述要详尽,包含所有关键信息
|
||||
- ✅ 如果题目跨页,需要合并完整内容
|
||||
- ✅ 保持题目原文,不要改写或简化
|
||||
- ✅ 选项中的公式也要用 LaTeX 格式
|
||||
- ❌ 不要遗漏任何题目或步骤
|
||||
- ❌ 不要混淆题号和小题号
|
||||
"""
|
||||
|
||||
# 通用 prompt(适用于其他学科或模型)
|
||||
else:
|
||||
return base_prompt + """
|
||||
|
||||
**解析要求:**
|
||||
1. **题目识别**:识别所有题目,包括选择题、填空题、计算题、解答题等
|
||||
2. **题号提取**:准确提取题目编号(如:1、2、3 或 一、二、三)
|
||||
3. **内容完整**:保留题目的完整内容,包括文字、公式、图片描述
|
||||
4. **公式识别**:将数学公式转换为 LaTeX 格式,例如:$x^2 + y^2 = r^2$
|
||||
5. **图片描述**:详细描述题目中的图片内容(如几何图形、实验装置、化学结构式等)
|
||||
6. **选项提取**:对于选择题,提取所有选项(A、B、C、D等)
|
||||
7. **学科识别**:自动识别学科(数学、物理、化学、生物、英语等)
|
||||
8. **难度评估**:根据题目内容评估难度(1-5)
|
||||
9. **知识点标注**:标注涉及的主要知识点
|
||||
|
||||
**输出格式:**
|
||||
返回 JSON 格式,结构如下:
|
||||
```json
|
||||
{
|
||||
"subject": "数学/物理/化学/生物/英语等",
|
||||
"grade": "年级(如果能识别)",
|
||||
"total_questions": 20,
|
||||
"questions": [
|
||||
{
|
||||
"number": 1,
|
||||
"type": "choice/fill_blank/calculation/essay",
|
||||
"question": "题目完整内容(包含LaTeX公式)",
|
||||
"options": ["A. 选项1", "B. 选项2", "C. 选项3", "D. 选项4"],
|
||||
"answer": "C",
|
||||
"analysis": "解析说明(如果试卷中提供)",
|
||||
"difficulty": 3,
|
||||
"knowledge_points": ["知识点1", "知识点2"],
|
||||
"has_image": true,
|
||||
"image_description": "图片详细描述",
|
||||
"page": 1,
|
||||
"formulas": ["$x^2 + y^2 = r^2$"]
|
||||
}
|
||||
],
|
||||
"stats": {
|
||||
"choice_count": 10,
|
||||
"fill_blank_count": 5,
|
||||
"calculation_count": 3,
|
||||
"essay_count": 2
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
**注意事项:**
|
||||
- 如果题目跨页,需要合并完整内容
|
||||
- 公式务必使用 LaTeX 格式
|
||||
- 图片要详细描述,包括关键信息
|
||||
- 题号要准确,即使格式不统一
|
||||
- 保持题目原文,不要改写
|
||||
"""
|
||||
|
||||
if subject:
|
||||
return base_prompt + f"\n**预设学科:** {subject}"
|
||||
if grade:
|
||||
return base_prompt + f"\n**预设年级:** {grade}"
|
||||
|
||||
return base_prompt
|
||||
|
||||
def parse_exam_file(
|
||||
self,
|
||||
@@ -91,7 +292,7 @@ class ClaudeExamParser:
|
||||
# 存储所有页面的图片
|
||||
page_images = []
|
||||
|
||||
print(f"📄 开始解析 PDF,共 {total_pages} 页...")
|
||||
logger.info(f"📄 开始解析 PDF,共 {total_pages} 页...")
|
||||
|
||||
for page_num in range(total_pages):
|
||||
page = doc[page_num]
|
||||
@@ -112,7 +313,7 @@ class ClaudeExamParser:
|
||||
"image": img_base64
|
||||
})
|
||||
|
||||
print(f" ✓ 第 {page_num + 1}/{total_pages} 页已转换")
|
||||
logger.info(f" ✓ 第 {page_num + 1}/{total_pages} 页已转换")
|
||||
|
||||
doc.close()
|
||||
|
||||
@@ -134,7 +335,7 @@ class ClaudeExamParser:
|
||||
# 提取内容(文本 + 图片)
|
||||
content_blocks = []
|
||||
|
||||
print(f"📝 开始解析 Word 文档...")
|
||||
logger.info(f"📝 开始解析 Word 文档...")
|
||||
|
||||
for element in doc.element.body:
|
||||
if isinstance(element, CT_P):
|
||||
@@ -162,7 +363,7 @@ class ClaudeExamParser:
|
||||
"content": img_base64
|
||||
})
|
||||
|
||||
print(f" ✓ 提取了 {len(content_blocks)} 个内容块")
|
||||
logger.info(f" ✓ 提取了 {len(content_blocks)} 个内容块")
|
||||
|
||||
# 使用 Claude 解析
|
||||
return self._parse_word_content(content_blocks, subject, grade)
|
||||
@@ -176,7 +377,7 @@ class ClaudeExamParser:
|
||||
"""
|
||||
解析图片试卷
|
||||
"""
|
||||
print(f"🖼️ 开始解析图片试卷...")
|
||||
logger.info(f"🖼️ 开始解析图片试卷...")
|
||||
|
||||
# 读取图片并转为 base64
|
||||
with open(image_path, 'rb') as f:
|
||||
@@ -200,69 +401,16 @@ class ClaudeExamParser:
|
||||
"""
|
||||
使用 Claude API 解析试卷图片
|
||||
"""
|
||||
print(f"\n🤖 正在调用 Claude Sonnet 4.5 进行智能解析...")
|
||||
model_name = "Gemini 3 Pro" if self.is_gemini else "Claude Sonnet 4.5"
|
||||
logger.info(f"\n🤖 正在调用 {model_name} 进行智能解析...")
|
||||
if self.is_gemini and subject and "数学" in subject:
|
||||
logger.info(f"💡 启用数学专项优化模式...")
|
||||
|
||||
# 构建消息内容
|
||||
content = []
|
||||
|
||||
# 添加系统提示
|
||||
instruction = f"""你是一个专业的试卷解析助手。请分析这份试卷(共{total_pages}页),并提取所有题目信息。
|
||||
|
||||
**解析要求:**
|
||||
1. **题目识别**:识别所有题目,包括选择题、填空题、计算题、解答题等
|
||||
2. **题号提取**:准确提取题目编号(如:1、2、3 或 一、二、三)
|
||||
3. **内容完整**:保留题目的完整内容,包括文字、公式、图片描述
|
||||
4. **公式识别**:将数学公式转换为 LaTeX 格式,例如:$x^2 + y^2 = r^2$
|
||||
5. **图片描述**:详细描述题目中的图片内容(如几何图形、实验装置、化学结构式等)
|
||||
6. **选项提取**:对于选择题,提取所有选项(A、B、C、D等)
|
||||
7. **学科识别**:自动识别学科(数学、物理、化学、生物、英语等)
|
||||
8. **难度评估**:根据题目内容评估难度(1-5)
|
||||
9. **知识点标注**:标注涉及的主要知识点
|
||||
|
||||
**输出格式:**
|
||||
返回 JSON 格式,结构如下:
|
||||
```json
|
||||
{{
|
||||
"subject": "数学/物理/化学/生物/英语等",
|
||||
"grade": "年级(如果能识别)",
|
||||
"total_questions": 20,
|
||||
"questions": [
|
||||
{{
|
||||
"number": 1,
|
||||
"type": "choice/fill_blank/calculation/essay",
|
||||
"question": "题目完整内容(包含LaTeX公式)",
|
||||
"options": ["A. 选项1", "B. 选项2", "C. 选项3", "D. 选项4"],
|
||||
"answer": "C",
|
||||
"analysis": "解析说明(如果试卷中提供)",
|
||||
"difficulty": 3,
|
||||
"knowledge_points": ["知识点1", "知识点2"],
|
||||
"has_image": true,
|
||||
"image_description": "图片详细描述",
|
||||
"page": 1,
|
||||
"formulas": ["$x^2 + y^2 = r^2$"]
|
||||
}}
|
||||
],
|
||||
"stats": {{
|
||||
"choice_count": 10,
|
||||
"fill_blank_count": 5,
|
||||
"calculation_count": 3,
|
||||
"essay_count": 2
|
||||
}}
|
||||
}}
|
||||
```
|
||||
|
||||
**注意事项:**
|
||||
- 如果题目跨页,需要合并完整内容
|
||||
- 公式务必使用 LaTeX 格式
|
||||
- 图片要详细描述,包括关键信息
|
||||
- 题号要准确,即使格式不统一
|
||||
- 保持题目原文,不要改写
|
||||
"""
|
||||
|
||||
if subject:
|
||||
instruction += f"\n**预设学科:** {subject}"
|
||||
if grade:
|
||||
instruction += f"\n**预设年级:** {grade}"
|
||||
# 使用优化的 prompt
|
||||
instruction = self._get_optimized_prompt(subject, grade, total_pages)
|
||||
|
||||
content.append({
|
||||
"type": "text",
|
||||
@@ -321,6 +469,11 @@ class ClaudeExamParser:
|
||||
"temperature": 0
|
||||
}
|
||||
|
||||
logger.info(f"📤 发送请求到 OpenRouter...")
|
||||
logger.info(f" URL: {self.api_url}")
|
||||
logger.info(f" 模型: {self.model}")
|
||||
logger.info(f" 图片数量: {len(page_images)}")
|
||||
|
||||
response = requests.post(
|
||||
self.api_url,
|
||||
headers=headers,
|
||||
@@ -328,24 +481,148 @@ class ClaudeExamParser:
|
||||
timeout=300 # 5分钟超时
|
||||
)
|
||||
|
||||
logger.info(f"📥 收到响应: HTTP {response.status_code}")
|
||||
response.raise_for_status()
|
||||
result_data = response.json()
|
||||
|
||||
# 解析响应
|
||||
response_text = result_data["choices"][0]["message"]["content"]
|
||||
|
||||
logger.info(f"📄 响应内容长度: {len(response_text)} 字符")
|
||||
|
||||
# 提取 JSON(可能被包裹在 markdown 代码块中)
|
||||
json_match = response_text
|
||||
if "```json" in response_text:
|
||||
json_match = response_text.split("```json")[1].split("```")[0].strip()
|
||||
elif "```" in response_text:
|
||||
json_match = response_text.split("```")[1].split("```")[0].strip()
|
||||
json_match = response_text.strip()
|
||||
|
||||
result = json.loads(json_match)
|
||||
# 移除 markdown 代码块标记
|
||||
if json_match.startswith("```json"):
|
||||
json_match = json_match[7:] # 移除 ```json
|
||||
elif json_match.startswith("```"):
|
||||
json_match = json_match[3:] # 移除 ```
|
||||
|
||||
print(f"✅ 解析成功!共识别 {result.get('total_questions', 0)} 道题目")
|
||||
print(f" 学科: {result.get('subject', '未识别')}")
|
||||
print(f" 统计: {result.get('stats', {})}")
|
||||
if json_match.endswith("```"):
|
||||
json_match = json_match[:-3] # 移除结尾的 ```
|
||||
|
||||
json_match = json_match.strip()
|
||||
|
||||
logger.info(f"📝 提取的JSON长度: {len(json_match)} 字符")
|
||||
logger.info(f"📝 JSON前100字符: {json_match[:100]}")
|
||||
logger.info(f"📝 JSON后100字符: {json_match[-100:]}")
|
||||
|
||||
# 修复JSON中的转义问题(LaTeX公式中的反斜杠、引号等)
|
||||
import re
|
||||
|
||||
def fix_json_escaping(json_str):
|
||||
r"""
|
||||
修复JSON字符串中的转义问题
|
||||
主要处理LaTeX公式中的反斜杠(如 \frac, \sqrt 等)
|
||||
策略:在字符串值中,转义所有反斜杠,但保留已知的有效JSON转义序列
|
||||
"""
|
||||
result = []
|
||||
i = 0
|
||||
in_string = False
|
||||
|
||||
while i < len(json_str):
|
||||
char = json_str[i]
|
||||
|
||||
# 检测字符串的开始和结束(非转义的引号)
|
||||
if char == '"':
|
||||
# 检查前面是否有反斜杠
|
||||
num_backslashes = 0
|
||||
j = i - 1
|
||||
while j >= 0 and json_str[j] == '\\':
|
||||
num_backslashes += 1
|
||||
j -= 1
|
||||
|
||||
# 偶数个反斜杠(包括0)表示引号未被转义
|
||||
if num_backslashes % 2 == 0:
|
||||
in_string = not in_string
|
||||
|
||||
result.append(char)
|
||||
i += 1
|
||||
continue
|
||||
|
||||
# 在字符串内部处理反斜杠
|
||||
if in_string and char == '\\':
|
||||
if i + 1 < len(json_str):
|
||||
next_char = json_str[i + 1]
|
||||
|
||||
# 已经正确转义的反斜杠 \\
|
||||
if next_char == '\\':
|
||||
result.append('\\\\')
|
||||
i += 2
|
||||
continue
|
||||
|
||||
# 转义的引号 \"
|
||||
if next_char == '"':
|
||||
result.append('\\"')
|
||||
i += 2
|
||||
continue
|
||||
|
||||
# 转义的斜杠 \/
|
||||
if next_char == '/':
|
||||
result.append('\\/')
|
||||
i += 2
|
||||
continue
|
||||
|
||||
# Unicode转义 \uXXXX
|
||||
if next_char == 'u' and i + 5 < len(json_str):
|
||||
hex_chars = json_str[i+2:i+6]
|
||||
if len(hex_chars) == 4 and all(c in '0123456789abcdefABCDEF' for c in hex_chars):
|
||||
# 有效的Unicode转义,保持原样
|
||||
result.append('\\u')
|
||||
result.append(hex_chars)
|
||||
i += 6
|
||||
continue
|
||||
|
||||
# 其他所有情况:这是LaTeX命令,需要转义反斜杠
|
||||
# 包括 \frac, \sqrt, \ne, \theta, \begin, 等等
|
||||
# 也包括 \b, \f, \n, \r, \t (在数学公式中是LaTeX,不是JSON转义)
|
||||
result.append('\\\\')
|
||||
result.append(next_char)
|
||||
i += 2
|
||||
else:
|
||||
# 字符串末尾的反斜杠,转义它
|
||||
result.append('\\\\')
|
||||
i += 1
|
||||
else:
|
||||
result.append(char)
|
||||
i += 1
|
||||
|
||||
return ''.join(result)
|
||||
|
||||
# 使用更宽松的JSON解析
|
||||
try:
|
||||
result = json.loads(json_match)
|
||||
except json.JSONDecodeError as e:
|
||||
logger.warning(f"⚠️ 标准JSON解析失败,尝试修复...")
|
||||
logger.info(f" 错误位置: 行{e.lineno}, 列{e.colno}")
|
||||
logger.info(f" 错误信息: {str(e)}")
|
||||
|
||||
# 尝试修复JSON转义问题
|
||||
try:
|
||||
fixed_json = fix_json_escaping(json_match)
|
||||
logger.info(f" 已修复JSON转义,重新尝试解析...")
|
||||
result = json.loads(fixed_json)
|
||||
except json.JSONDecodeError as e2:
|
||||
logger.error(f" 修复后仍然失败: {str(e2)}")
|
||||
logger.error(f" 尝试使用宽松模式...")
|
||||
# 保存修复后的内容用于调试
|
||||
import tempfile
|
||||
with tempfile.NamedTemporaryFile(mode='w', suffix='.json', delete=False, encoding='utf-8') as f:
|
||||
f.write(fixed_json)
|
||||
debug_file = f.name
|
||||
logger.error(f" 修复后的JSON已保存到: {debug_file}")
|
||||
|
||||
# Also save original for comparison
|
||||
with tempfile.NamedTemporaryFile(mode='w', suffix='_original.json', delete=False, encoding='utf-8') as f:
|
||||
f.write(json_match)
|
||||
orig_file = f.name
|
||||
logger.error(f" 原始JSON已保存到: {orig_file}")
|
||||
raise e2
|
||||
|
||||
logger.info(f"✅ 解析成功!共识别 {result.get('total_questions', 0)} 道题目")
|
||||
logger.info(f" 学科: {result.get('subject', '未识别')}")
|
||||
logger.info(f" 统计: {result.get('stats', {})}")
|
||||
|
||||
return {
|
||||
"success": True,
|
||||
@@ -353,22 +630,45 @@ class ClaudeExamParser:
|
||||
"raw_response": response_text
|
||||
}
|
||||
|
||||
except requests.exceptions.Timeout as e:
|
||||
logger.error(f"❌ API 请求超时: {e}")
|
||||
logger.error(f"请求URL: {self.api_url}")
|
||||
logger.error(f"模型: {self.model}")
|
||||
return {
|
||||
"success": False,
|
||||
"error": f"API 请求超时: {str(e)}"
|
||||
}
|
||||
except requests.exceptions.ConnectionError as e:
|
||||
logger.error(f"❌ 网络连接错误: {e}")
|
||||
logger.error(f"请求URL: {self.api_url}")
|
||||
return {
|
||||
"success": False,
|
||||
"error": f"无法连接到OpenRouter服务: {str(e)}"
|
||||
}
|
||||
except requests.exceptions.HTTPError as e:
|
||||
logger.error(f"❌ HTTP错误: {e}")
|
||||
logger.error(f"响应状态码: {e.response.status_code if e.response else 'N/A'}")
|
||||
logger.error(f"响应内容: {e.response.text if e.response else 'N/A'}")
|
||||
return {
|
||||
"success": False,
|
||||
"error": f"API返回错误 (HTTP {e.response.status_code if e.response else 'N/A'}): {e.response.text if e.response else str(e)}"
|
||||
}
|
||||
except requests.exceptions.RequestException as e:
|
||||
print(f"❌ API 请求错误: {e}")
|
||||
logger.error(f"❌ API 请求错误: {e}")
|
||||
return {
|
||||
"success": False,
|
||||
"error": f"API 请求失败: {str(e)}"
|
||||
}
|
||||
except json.JSONDecodeError as e:
|
||||
print(f"❌ JSON 解析错误: {e}")
|
||||
print(f"原始响应: {response_text}")
|
||||
logger.error(f"❌ JSON 解析错误: {e}")
|
||||
logger.error(f"原始响应: {response_text}")
|
||||
return {
|
||||
"success": False,
|
||||
"error": "返回的格式无法解析",
|
||||
"raw_response": response_text
|
||||
}
|
||||
except Exception as e:
|
||||
print(f"❌ 未知错误: {e}")
|
||||
logger.error(f"❌ 未知错误: {e}", exc_info=True)
|
||||
return {
|
||||
"success": False,
|
||||
"error": str(e)
|
||||
@@ -383,7 +683,7 @@ class ClaudeExamParser:
|
||||
"""
|
||||
解析 Word 文档内容
|
||||
"""
|
||||
print(f"\n🤖 正在调用 Claude Sonnet 4.5 进行智能解析...")
|
||||
logger.info(f"\n🤖 正在调用 Claude Sonnet 4.5 进行智能解析...")
|
||||
|
||||
# 构建消息内容
|
||||
content = []
|
||||
@@ -483,7 +783,7 @@ class ClaudeExamParser:
|
||||
|
||||
result = json.loads(json_match)
|
||||
|
||||
print(f"✅ 解析成功!共识别 {result.get('total_questions', 0)} 道题目")
|
||||
logger.info(f"✅ 解析成功!共识别 {result.get('total_questions', 0)} 道题目")
|
||||
|
||||
return {
|
||||
"success": True,
|
||||
@@ -492,7 +792,7 @@ class ClaudeExamParser:
|
||||
}
|
||||
|
||||
except Exception as e:
|
||||
print(f"❌ 解析错误: {e}")
|
||||
logger.info(f"❌ 解析错误: {e}")
|
||||
return {
|
||||
"success": False,
|
||||
"error": str(e)
|
||||
@@ -520,7 +820,7 @@ def parse_exam(
|
||||
|
||||
Example:
|
||||
>>> result = parse_exam("math_exam.pdf", subject="数学", grade="高一")
|
||||
>>> print(result["result"]["total_questions"])
|
||||
>>> logger.info(result["result"]["total_questions"])
|
||||
"""
|
||||
parser = ClaudeExamParser(api_key=api_key)
|
||||
return parser.parse_exam_file(file_path, subject, grade)
|
||||
@@ -531,7 +831,7 @@ if __name__ == "__main__":
|
||||
import sys
|
||||
|
||||
if len(sys.argv) < 2:
|
||||
print("用法: python claude_exam_parser.py <试卷文件路径> [学科] [年级]")
|
||||
logger.info("用法: python claude_exam_parser.py <试卷文件路径> [学科] [年级]")
|
||||
sys.exit(1)
|
||||
|
||||
file_path = sys.argv[1]
|
||||
@@ -541,8 +841,8 @@ if __name__ == "__main__":
|
||||
result = parse_exam(file_path, subject=subject, grade=grade)
|
||||
|
||||
if result["success"]:
|
||||
print("\n" + "="*60)
|
||||
print("解析结果:")
|
||||
print(json.dumps(result["result"], ensure_ascii=False, indent=2))
|
||||
logger.info("\n" + "="*60)
|
||||
logger.info("解析结果:")
|
||||
logger.info(json.dumps(result["result"], ensure_ascii=False, indent=2))
|
||||
else:
|
||||
print(f"\n❌ 解析失败: {result['error']}")
|
||||
logger.info(f"\n❌ 解析失败: {result['error']}")
|
||||
|
||||
Executable
+263
@@ -0,0 +1,263 @@
|
||||
#!/usr/bin/env python3
|
||||
"""
|
||||
Gemini 3 Pro 数学试卷解析示例
|
||||
展示如何使用 Gemini 模型进行数学试卷解析
|
||||
"""
|
||||
|
||||
import os
|
||||
import json
|
||||
from dotenv import load_dotenv
|
||||
from claude_exam_parser import ClaudeExamParser
|
||||
|
||||
# 加载环境变量
|
||||
load_dotenv()
|
||||
|
||||
|
||||
def example_1_basic_usage():
|
||||
"""示例1: 基本使用 - 使用 Gemini 解析数学试卷"""
|
||||
print("=" * 80)
|
||||
print("示例1: 使用 Gemini 3 Pro 解析数学试卷")
|
||||
print("=" * 80)
|
||||
|
||||
# 创建解析器,明确指定使用 Gemini 模型
|
||||
parser = ClaudeExamParser(
|
||||
model="google/gemini-3-pro-preview"
|
||||
)
|
||||
|
||||
# 解析数学试卷
|
||||
# 注意:请替换为实际的试卷文件路径
|
||||
result = parser.parse_exam_file(
|
||||
file_path="sample_math_exam.pdf", # 替换为实际文件
|
||||
subject="数学",
|
||||
grade="高一"
|
||||
)
|
||||
|
||||
if result["success"]:
|
||||
data = result["result"]
|
||||
print(f"\n✅ 解析成功!")
|
||||
print(f"学科: {data['subject']}")
|
||||
print(f"年级: {data.get('grade', 'N/A')}")
|
||||
print(f"题目总数: {data['total_questions']}")
|
||||
print(f"\n前3道题目:")
|
||||
|
||||
for q in data["questions"][:3]:
|
||||
print(f"\n 题目 {q['number']} ({q['type']})")
|
||||
print(f" 题干: {q['question'][:100]}...")
|
||||
if q.get("formulas"):
|
||||
print(f" 公式: {q['formulas'][:2]}")
|
||||
print(f" 难度: {q.get('difficulty', 'N/A')}")
|
||||
else:
|
||||
print(f"\n❌ 解析失败: {result['error']}")
|
||||
|
||||
|
||||
def example_2_compare_models():
|
||||
"""示例2: 对比不同模型的解析效果"""
|
||||
print("\n\n" + "=" * 80)
|
||||
print("示例2: 对比 Claude 和 Gemini 的解析效果")
|
||||
print("=" * 80)
|
||||
|
||||
file_path = "sample_math_exam.pdf" # 替换为实际文件
|
||||
models = [
|
||||
"anthropic/claude-sonnet-4.5",
|
||||
"google/gemini-3-pro-preview"
|
||||
]
|
||||
|
||||
results = {}
|
||||
|
||||
for model in models:
|
||||
print(f"\n正在使用 {model} 解析...")
|
||||
parser = ClaudeExamParser(model=model)
|
||||
result = parser.parse_exam_file(file_path, subject="数学")
|
||||
|
||||
if result["success"]:
|
||||
data = result["result"]
|
||||
# 统计公式数量
|
||||
formula_count = sum(
|
||||
len(q.get("formulas", []))
|
||||
for q in data.get("questions", [])
|
||||
)
|
||||
results[model] = {
|
||||
"total_questions": data.get("total_questions", 0),
|
||||
"formula_count": formula_count
|
||||
}
|
||||
print(f" ✅ 识别题目: {results[model]['total_questions']}")
|
||||
print(f" ✅ 提取公式: {results[model]['formula_count']}")
|
||||
else:
|
||||
print(f" ❌ 解析失败: {result['error']}")
|
||||
|
||||
print(f"\n对比结果:")
|
||||
print(json.dumps(results, indent=2, ensure_ascii=False))
|
||||
|
||||
|
||||
def example_3_extract_formulas():
|
||||
"""示例3: 提取并分析数学公式"""
|
||||
print("\n\n" + "=" * 80)
|
||||
print("示例3: 提取并分析数学公式")
|
||||
print("=" * 80)
|
||||
|
||||
parser = ClaudeExamParser(model="google/gemini-3-pro-preview")
|
||||
result = parser.parse_exam_file(
|
||||
file_path="sample_math_exam.pdf", # 替换为实际文件
|
||||
subject="数学"
|
||||
)
|
||||
|
||||
if result["success"]:
|
||||
data = result["result"]
|
||||
all_formulas = []
|
||||
|
||||
# 收集所有公式
|
||||
for q in data["questions"]:
|
||||
formulas = q.get("formulas", [])
|
||||
if formulas:
|
||||
all_formulas.extend([
|
||||
{
|
||||
"question_number": q["number"],
|
||||
"formula": f
|
||||
}
|
||||
for f in formulas
|
||||
])
|
||||
|
||||
print(f"\n找到 {len(all_formulas)} 个公式:")
|
||||
for i, item in enumerate(all_formulas[:10], 1): # 显示前10个
|
||||
print(f"{i}. 题目 {item['question_number']}: {item['formula']}")
|
||||
|
||||
# 分析公式类型
|
||||
formula_types = {
|
||||
"分数": 0,
|
||||
"根式": 0,
|
||||
"积分": 0,
|
||||
"求和": 0,
|
||||
"向量": 0
|
||||
}
|
||||
|
||||
for item in all_formulas:
|
||||
formula = item["formula"]
|
||||
if "\\frac" in formula:
|
||||
formula_types["分数"] += 1
|
||||
if "\\sqrt" in formula:
|
||||
formula_types["根式"] += 1
|
||||
if "\\int" in formula:
|
||||
formula_types["积分"] += 1
|
||||
if "\\sum" in formula:
|
||||
formula_types["求和"] += 1
|
||||
if "\\vec" in formula or "\\overrightarrow" in formula:
|
||||
formula_types["向量"] += 1
|
||||
|
||||
print(f"\n公式类型分布:")
|
||||
for ftype, count in formula_types.items():
|
||||
if count > 0:
|
||||
print(f" {ftype}: {count}")
|
||||
|
||||
|
||||
def example_4_analyze_difficulty():
|
||||
"""示例4: 分析题目难度分布"""
|
||||
print("\n\n" + "=" * 80)
|
||||
print("示例4: 分析题目难度分布")
|
||||
print("=" * 80)
|
||||
|
||||
parser = ClaudeExamParser(model="google/gemini-3-pro-preview")
|
||||
result = parser.parse_exam_file(
|
||||
file_path="sample_math_exam.pdf", # 替换为实际文件
|
||||
subject="数学"
|
||||
)
|
||||
|
||||
if result["success"]:
|
||||
data = result["result"]
|
||||
|
||||
# 难度分布
|
||||
difficulty_dist = data.get("stats", {}).get("difficulty_distribution", {})
|
||||
|
||||
if difficulty_dist:
|
||||
print(f"\n难度分布:")
|
||||
total = sum(difficulty_dist.values())
|
||||
for level in sorted(difficulty_dist.keys()):
|
||||
count = difficulty_dist[level]
|
||||
percentage = (count / total) * 100
|
||||
bar = "█" * int(percentage / 5)
|
||||
print(f" 难度 {level}: {count:2d} 题 ({percentage:5.1f}%) {bar}")
|
||||
|
||||
# 按难度分组题目
|
||||
by_difficulty = {}
|
||||
for q in data["questions"]:
|
||||
diff = q.get("difficulty", 0)
|
||||
if diff not in by_difficulty:
|
||||
by_difficulty[diff] = []
|
||||
by_difficulty[diff].append(q["number"])
|
||||
|
||||
print(f"\n各难度题目编号:")
|
||||
for level in sorted(by_difficulty.keys()):
|
||||
questions = by_difficulty[level]
|
||||
print(f" 难度 {level}: {', '.join(map(str, questions))}")
|
||||
|
||||
|
||||
def example_5_knowledge_points():
|
||||
"""示例5: 分析知识点覆盖"""
|
||||
print("\n\n" + "=" * 80)
|
||||
print("示例5: 分析知识点覆盖")
|
||||
print("=" * 80)
|
||||
|
||||
parser = ClaudeExamParser(model="google/gemini-3-pro-preview")
|
||||
result = parser.parse_exam_file(
|
||||
file_path="sample_math_exam.pdf", # 替换为实际文件
|
||||
subject="数学"
|
||||
)
|
||||
|
||||
if result["success"]:
|
||||
data = result["result"]
|
||||
|
||||
# 统计知识点
|
||||
knowledge_point_count = {}
|
||||
|
||||
for q in data["questions"]:
|
||||
points = q.get("knowledge_points", [])
|
||||
for point in points:
|
||||
knowledge_point_count[point] = knowledge_point_count.get(point, 0) + 1
|
||||
|
||||
# 按出现频率排序
|
||||
sorted_points = sorted(
|
||||
knowledge_point_count.items(),
|
||||
key=lambda x: x[1],
|
||||
reverse=True
|
||||
)
|
||||
|
||||
print(f"\n知识点覆盖 (共 {len(sorted_points)} 个知识点):")
|
||||
for point, count in sorted_points[:15]: # 显示前15个
|
||||
bar = "●" * count
|
||||
print(f" {point:20s}: {count:2d} 题 {bar}")
|
||||
|
||||
|
||||
def main():
|
||||
"""主函数 - 运行所有示例"""
|
||||
print("\n")
|
||||
print("╔" + "=" * 78 + "╗")
|
||||
print("║" + " " * 20 + "Gemini 3 Pro 数学试卷解析示例" + " " * 28 + "║")
|
||||
print("╚" + "=" * 78 + "╝")
|
||||
|
||||
# 检查 API Key
|
||||
if not os.getenv("OPENROUTER_API_KEY"):
|
||||
print("\n❌ 错误: 未设置 OPENROUTER_API_KEY")
|
||||
print("请在 .env 文件中设置,或运行: export OPENROUTER_API_KEY='your-key'")
|
||||
return
|
||||
|
||||
# 运行示例(注意:需要实际的PDF文件)
|
||||
print("\n⚠️ 注意: 这些示例需要实际的PDF试卷文件")
|
||||
print("请将 'sample_math_exam.pdf' 替换为实际的文件路径\n")
|
||||
|
||||
# 可以取消注释运行各个示例
|
||||
# example_1_basic_usage()
|
||||
# example_2_compare_models()
|
||||
# example_3_extract_formulas()
|
||||
# example_4_analyze_difficulty()
|
||||
# example_5_knowledge_points()
|
||||
|
||||
print("\n使用说明:")
|
||||
print("1. 准备一份数学试卷 PDF 文件")
|
||||
print("2. 编辑此文件,将 'sample_math_exam.pdf' 替换为实际文件路径")
|
||||
print("3. 取消注释要运行的示例")
|
||||
print("4. 运行: python example_gemini_usage.py")
|
||||
print("\n或者直接使用测试脚本:")
|
||||
print(" ./quick_test_gemini.sh your_math_exam.pdf 数学 高一")
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
Executable
+85
@@ -0,0 +1,85 @@
|
||||
#!/bin/bash
|
||||
# 快速测试 Gemini 3 Pro 数学试卷解析
|
||||
|
||||
echo "============================================"
|
||||
echo " Gemini 3 Pro 数学试卷解析快速测试"
|
||||
echo "============================================"
|
||||
echo ""
|
||||
|
||||
# 检查是否有试卷文件参数
|
||||
if [ -z "$1" ]; then
|
||||
echo "❌ 错误: 请提供试卷文件路径"
|
||||
echo ""
|
||||
echo "用法:"
|
||||
echo " ./quick_test_gemini.sh <试卷文件路径> [学科] [年级]"
|
||||
echo ""
|
||||
echo "示例:"
|
||||
echo " ./quick_test_gemini.sh sample_math.pdf 数学 高一"
|
||||
echo " ./quick_test_gemini.sh physics.pdf 物理"
|
||||
echo ""
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# 检查文件是否存在
|
||||
if [ ! -f "$1" ]; then
|
||||
echo "❌ 错误: 文件不存在: $1"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# 检查 .env 文件
|
||||
if [ ! -f ".env" ]; then
|
||||
echo "⚠️ 警告: 未找到 .env 文件,正在从 .env.example 复制..."
|
||||
cp .env.example .env
|
||||
echo "✅ 已创建 .env 文件,请编辑并设置 OPENROUTER_API_KEY"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# 检查 API Key
|
||||
if ! grep -q "OPENROUTER_API_KEY=sk-" .env; then
|
||||
echo "❌ 错误: 请在 .env 文件中设置有效的 OPENROUTER_API_KEY"
|
||||
echo ""
|
||||
echo "步骤:"
|
||||
echo "1. 访问 https://openrouter.ai/keys"
|
||||
echo "2. 获取 API Key"
|
||||
echo "3. 在 .env 文件中设置: OPENROUTER_API_KEY=sk-or-v1-..."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# 设置参数
|
||||
FILE_PATH="$1"
|
||||
SUBJECT="${2:-数学}"
|
||||
GRADE="${3:-}"
|
||||
|
||||
echo "📄 试卷文件: $FILE_PATH"
|
||||
echo "📚 学科: $SUBJECT"
|
||||
if [ -n "$GRADE" ]; then
|
||||
echo "🎓 年级: $GRADE"
|
||||
fi
|
||||
echo ""
|
||||
|
||||
echo "🚀 开始测试..."
|
||||
echo ""
|
||||
|
||||
# 运行测试脚本
|
||||
if [ -n "$GRADE" ]; then
|
||||
python test_gemini_math.py "$FILE_PATH" "$SUBJECT" "$GRADE"
|
||||
else
|
||||
python test_gemini_math.py "$FILE_PATH" "$SUBJECT"
|
||||
fi
|
||||
|
||||
# 检查结果
|
||||
if [ $? -eq 0 ]; then
|
||||
echo ""
|
||||
echo "✅ 测试完成!"
|
||||
echo ""
|
||||
echo "📊 详细结果已保存到 test_results/ 目录"
|
||||
echo ""
|
||||
echo "下一步:"
|
||||
echo " - 查看 test_results/ 中的 JSON 文件"
|
||||
echo " - 对比 Claude 和 Gemini 的解析效果"
|
||||
echo " - 在 .env 中设置 AI_MODEL=google/gemini-3-pro-preview 以全局使用"
|
||||
else
|
||||
echo ""
|
||||
echo "❌ 测试失败,请检查错误信息"
|
||||
exit 1
|
||||
fi
|
||||
Executable
+140
@@ -0,0 +1,140 @@
|
||||
#!/usr/bin/env python3
|
||||
"""
|
||||
测试修复后的 Gemini 3 Pro 数学试卷解析
|
||||
"""
|
||||
|
||||
import os
|
||||
import sys
|
||||
import json
|
||||
from dotenv import load_dotenv
|
||||
from claude_exam_parser import ClaudeExamParser
|
||||
|
||||
# 加载环境变量
|
||||
load_dotenv()
|
||||
|
||||
def test_gemini_parsing():
|
||||
"""测试 Gemini 模型的解析功能"""
|
||||
|
||||
# 使用同一份试卷
|
||||
file_path = "uploads/1/7c6df72c-3386-4909-8e6e-0471930d1284_2025年9月2日初中数学作业.pdf"
|
||||
|
||||
if not os.path.exists(file_path):
|
||||
print(f"❌ 文件不存在: {file_path}")
|
||||
return
|
||||
|
||||
print("="*80)
|
||||
print("测试修复后的 Gemini 3 Pro 解析功能")
|
||||
print("="*80)
|
||||
print()
|
||||
|
||||
# 创建解析器,使用 Gemini 模型
|
||||
parser = ClaudeExamParser(model="google/gemini-3-pro-preview")
|
||||
|
||||
print("📄 开始解析试卷...")
|
||||
print(f" 文件: {file_path}")
|
||||
print(f" 模型: google/gemini-3-pro-preview")
|
||||
print()
|
||||
|
||||
# 解析
|
||||
result = parser.parse_exam_file(file_path, subject="数学", grade="初中")
|
||||
|
||||
if result["success"]:
|
||||
data = result["result"]
|
||||
|
||||
print("\n" + "="*80)
|
||||
print("✅ 解析成功!")
|
||||
print("="*80)
|
||||
print()
|
||||
|
||||
print(f"📚 学科: {data.get('subject', 'N/A')}")
|
||||
print(f"🎓 年级: {data.get('grade', 'N/A')}")
|
||||
print(f"📝 考试类型: {data.get('exam_type', 'N/A')}")
|
||||
print(f"📊 题目总数: {data.get('total_questions', 0)}")
|
||||
print(f"💯 总分: {data.get('total_score', 'N/A')}")
|
||||
print()
|
||||
|
||||
# 题型统计
|
||||
stats = data.get("stats", {})
|
||||
print("📊 题型统计:")
|
||||
print(f" 选择题: {stats.get('choice_count', 0)}")
|
||||
print(f" 填空题: {stats.get('fill_blank_count', 0)}")
|
||||
print(f" 计算题: {stats.get('calculation_count', 0)}")
|
||||
print(f" 证明题: {stats.get('proof_count', 0)}")
|
||||
print(f" 解答题: {stats.get('essay_count', 0)}")
|
||||
print()
|
||||
|
||||
# 难度分布
|
||||
if "difficulty_distribution" in stats:
|
||||
print("📈 难度分布:")
|
||||
for level in sorted(stats["difficulty_distribution"].keys()):
|
||||
count = stats["difficulty_distribution"][level]
|
||||
print(f" 难度 {level}: {count} 题")
|
||||
print()
|
||||
|
||||
# 显示每道题的详细信息
|
||||
print("📝 题目详情:")
|
||||
print()
|
||||
for i, q in enumerate(data.get("questions", []), 1):
|
||||
print(f"【题目 {q.get('number', i)}】")
|
||||
print(f" 类型: {q.get('type', 'N/A')}")
|
||||
print(f" 分数: {q.get('score', 'N/A')} 分")
|
||||
print(f" 难度: {q.get('difficulty', 'N/A')}/5")
|
||||
|
||||
# 题干(截取前150字)
|
||||
question_text = q.get('question', '')
|
||||
if len(question_text) > 150:
|
||||
question_text = question_text[:150] + "..."
|
||||
print(f" 题干: {question_text}")
|
||||
|
||||
# 公式
|
||||
formulas = q.get('formulas', [])
|
||||
if formulas:
|
||||
print(f" 公式数: {len(formulas)}")
|
||||
print(f" 示例公式: {formulas[0] if formulas else 'N/A'}")
|
||||
|
||||
# 知识点
|
||||
points = q.get('knowledge_points', [])
|
||||
if points:
|
||||
print(f" 知识点: {', '.join(points)}")
|
||||
|
||||
# 答案
|
||||
if q.get('answer'):
|
||||
answer = q.get('answer', '')
|
||||
if len(answer) > 50:
|
||||
answer = answer[:50] + "..."
|
||||
print(f" 答案: {answer}")
|
||||
|
||||
# 是否有解题步骤
|
||||
if q.get('solution'):
|
||||
print(f" ✅ 包含详细解题步骤")
|
||||
|
||||
# 是否有分析
|
||||
if q.get('analysis'):
|
||||
print(f" ✅ 包含题目分析")
|
||||
|
||||
print()
|
||||
|
||||
# 保存结果
|
||||
output_file = "test_results/gemini_fixed_result.json"
|
||||
os.makedirs("test_results", exist_ok=True)
|
||||
with open(output_file, "w", encoding="utf-8") as f:
|
||||
json.dump(data, f, ensure_ascii=False, indent=2)
|
||||
print(f"💾 详细结果已保存到: {output_file}")
|
||||
|
||||
return True
|
||||
else:
|
||||
print("\n" + "="*80)
|
||||
print("❌ 解析失败")
|
||||
print("="*80)
|
||||
print()
|
||||
print(f"错误信息: {result.get('error', 'Unknown error')}")
|
||||
|
||||
if "raw_response" in result:
|
||||
print(f"\n原始响应长度: {len(result['raw_response'])} 字符")
|
||||
|
||||
return False
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
success = test_gemini_parsing()
|
||||
sys.exit(0 if success else 1)
|
||||
Executable
+239
@@ -0,0 +1,239 @@
|
||||
#!/usr/bin/env python3
|
||||
"""
|
||||
测试 Gemini 3 Pro 模型解析数学试卷的能力
|
||||
对比 Claude Sonnet 4.5 和 Gemini 3 Pro 在数学试卷解析上的表现
|
||||
"""
|
||||
|
||||
import os
|
||||
import sys
|
||||
import json
|
||||
import time
|
||||
import logging
|
||||
from pathlib import Path
|
||||
from dotenv import load_dotenv
|
||||
from claude_exam_parser import ClaudeExamParser
|
||||
|
||||
# 配置日志
|
||||
logging.basicConfig(
|
||||
level=logging.INFO,
|
||||
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
|
||||
)
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
# 加载环境变量
|
||||
load_dotenv()
|
||||
|
||||
|
||||
def test_single_model(file_path: str, model: str, subject: str = "数学", grade: str = None):
|
||||
"""
|
||||
使用单个模型测试试卷解析
|
||||
|
||||
Args:
|
||||
file_path: 试卷文件路径
|
||||
model: 模型名称
|
||||
subject: 学科
|
||||
grade: 年级
|
||||
|
||||
Returns:
|
||||
解析结果和性能指标
|
||||
"""
|
||||
logger.info(f"\n{'='*80}")
|
||||
logger.info(f"开始测试模型: {model}")
|
||||
logger.info(f"文件: {file_path}")
|
||||
logger.info(f"学科: {subject}")
|
||||
logger.info(f"{'='*80}\n")
|
||||
|
||||
try:
|
||||
# 创建解析器
|
||||
parser = ClaudeExamParser(model=model)
|
||||
|
||||
# 开始计时
|
||||
start_time = time.time()
|
||||
|
||||
# 解析试卷
|
||||
result = parser.parse_exam_file(file_path, subject=subject, grade=grade)
|
||||
|
||||
# 结束计时
|
||||
end_time = time.time()
|
||||
elapsed_time = end_time - start_time
|
||||
|
||||
if result["success"]:
|
||||
parsed_data = result["result"]
|
||||
|
||||
logger.info(f"\n✅ 解析成功!")
|
||||
logger.info(f" 耗时: {elapsed_time:.2f} 秒")
|
||||
logger.info(f" 学科: {parsed_data.get('subject', 'N/A')}")
|
||||
logger.info(f" 年级: {parsed_data.get('grade', 'N/A')}")
|
||||
logger.info(f" 题目总数: {parsed_data.get('total_questions', 0)}")
|
||||
|
||||
# 题型统计
|
||||
stats = parsed_data.get("stats", {})
|
||||
logger.info(f"\n 📊 题型统计:")
|
||||
logger.info(f" 选择题: {stats.get('choice_count', 0)}")
|
||||
logger.info(f" 填空题: {stats.get('fill_blank_count', 0)}")
|
||||
logger.info(f" 计算题: {stats.get('calculation_count', 0)}")
|
||||
logger.info(f" 解答题: {stats.get('essay_count', 0)}")
|
||||
|
||||
# 难度分布(如果有)
|
||||
if "difficulty_distribution" in stats:
|
||||
logger.info(f"\n 📈 难度分布:")
|
||||
for level, count in stats["difficulty_distribution"].items():
|
||||
logger.info(f" 难度 {level}: {count} 题")
|
||||
|
||||
# 分析公式数量
|
||||
formula_count = 0
|
||||
questions_with_formulas = 0
|
||||
for q in parsed_data.get("questions", []):
|
||||
formulas = q.get("formulas", [])
|
||||
if formulas:
|
||||
formula_count += len(formulas)
|
||||
questions_with_formulas += 1
|
||||
|
||||
logger.info(f"\n 📐 公式统计:")
|
||||
logger.info(f" 总公式数: {formula_count}")
|
||||
logger.info(f" 包含公式的题目: {questions_with_formulas}/{parsed_data.get('total_questions', 0)}")
|
||||
|
||||
# 显示前3道题作为示例
|
||||
logger.info(f"\n 📝 前3道题目示例:")
|
||||
for i, q in enumerate(parsed_data.get("questions", [])[:3], 1):
|
||||
logger.info(f"\n 题目 {q.get('number', i)}:")
|
||||
logger.info(f" 类型: {q.get('type', 'N/A')}")
|
||||
logger.info(f" 题干: {q.get('question', 'N/A')[:100]}...")
|
||||
if q.get("formulas"):
|
||||
logger.info(f" 公式: {q.get('formulas', [])[:2]}")
|
||||
if q.get("has_image"):
|
||||
logger.info(f" 图片: {q.get('image_description', 'N/A')[:80]}...")
|
||||
logger.info(f" 难度: {q.get('difficulty', 'N/A')}")
|
||||
logger.info(f" 知识点: {q.get('knowledge_points', [])}")
|
||||
|
||||
return {
|
||||
"success": True,
|
||||
"model": model,
|
||||
"elapsed_time": elapsed_time,
|
||||
"total_questions": parsed_data.get('total_questions', 0),
|
||||
"formula_count": formula_count,
|
||||
"questions_with_formulas": questions_with_formulas,
|
||||
"stats": stats,
|
||||
"result": parsed_data
|
||||
}
|
||||
else:
|
||||
logger.error(f"\n❌ 解析失败: {result.get('error', 'Unknown error')}")
|
||||
return {
|
||||
"success": False,
|
||||
"model": model,
|
||||
"error": result.get('error', 'Unknown error')
|
||||
}
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"\n❌ 测试失败: {str(e)}", exc_info=True)
|
||||
return {
|
||||
"success": False,
|
||||
"model": model,
|
||||
"error": str(e)
|
||||
}
|
||||
|
||||
|
||||
def compare_models(file_path: str, subject: str = "数学", grade: str = None):
|
||||
"""
|
||||
对比多个模型的解析效果
|
||||
|
||||
Args:
|
||||
file_path: 试卷文件路径
|
||||
subject: 学科
|
||||
grade: 年级
|
||||
"""
|
||||
models = [
|
||||
"anthropic/claude-sonnet-4.5",
|
||||
"google/gemini-3-pro-preview"
|
||||
]
|
||||
|
||||
results = {}
|
||||
|
||||
for model in models:
|
||||
results[model] = test_single_model(file_path, model, subject, grade)
|
||||
|
||||
# 生成对比报告
|
||||
logger.info(f"\n\n{'='*80}")
|
||||
logger.info(f"对比报告")
|
||||
logger.info(f"{'='*80}\n")
|
||||
|
||||
comparison_table = []
|
||||
|
||||
for model, result in results.items():
|
||||
if result["success"]:
|
||||
comparison_table.append({
|
||||
"模型": model,
|
||||
"耗时(秒)": f"{result['elapsed_time']:.2f}",
|
||||
"题目数": result['total_questions'],
|
||||
"公式数": result['formula_count'],
|
||||
"含公式题目": f"{result['questions_with_formulas']}/{result['total_questions']}",
|
||||
"选择题": result['stats'].get('choice_count', 0),
|
||||
"填空题": result['stats'].get('fill_blank_count', 0),
|
||||
"计算题": result['stats'].get('calculation_count', 0),
|
||||
"解答题": result['stats'].get('essay_count', 0),
|
||||
})
|
||||
else:
|
||||
comparison_table.append({
|
||||
"模型": model,
|
||||
"状态": f"❌ 失败: {result.get('error', 'Unknown')}",
|
||||
})
|
||||
|
||||
# 打印对比表格
|
||||
logger.info("对比结果:")
|
||||
logger.info(json.dumps(comparison_table, ensure_ascii=False, indent=2))
|
||||
|
||||
# 保存详细结果到文件
|
||||
output_dir = Path("test_results")
|
||||
output_dir.mkdir(exist_ok=True)
|
||||
|
||||
timestamp = time.strftime("%Y%m%d_%H%M%S")
|
||||
for model, result in results.items():
|
||||
if result["success"]:
|
||||
model_name = model.replace("/", "_")
|
||||
output_file = output_dir / f"result_{model_name}_{timestamp}.json"
|
||||
with open(output_file, "w", encoding="utf-8") as f:
|
||||
json.dump(result["result"], f, ensure_ascii=False, indent=2)
|
||||
logger.info(f"\n💾 {model} 详细结果已保存到: {output_file}")
|
||||
|
||||
logger.info(f"\n{'='*80}\n")
|
||||
|
||||
|
||||
def main():
|
||||
"""主函数"""
|
||||
if len(sys.argv) < 2:
|
||||
print("用法:")
|
||||
print(f" {sys.argv[0]} <试卷文件路径> [学科] [年级]")
|
||||
print()
|
||||
print("示例:")
|
||||
print(f" {sys.argv[0]} math_exam.pdf 数学 高一")
|
||||
print(f" {sys.argv[0]} physics_test.pdf 物理")
|
||||
print()
|
||||
print("环境变量:")
|
||||
print(" OPENROUTER_API_KEY - OpenRouter API Key(必需)")
|
||||
print()
|
||||
print("支持的模型:")
|
||||
print(" - anthropic/claude-sonnet-4.5")
|
||||
print(" - google/gemini-3-pro-preview")
|
||||
sys.exit(1)
|
||||
|
||||
file_path = sys.argv[1]
|
||||
subject = sys.argv[2] if len(sys.argv) > 2 else "数学"
|
||||
grade = sys.argv[3] if len(sys.argv) > 3 else None
|
||||
|
||||
# 检查文件是否存在
|
||||
if not os.path.exists(file_path):
|
||||
logger.error(f"文件不存在: {file_path}")
|
||||
sys.exit(1)
|
||||
|
||||
# 检查 API Key
|
||||
if not os.getenv("OPENROUTER_API_KEY"):
|
||||
logger.error("未设置 OPENROUTER_API_KEY 环境变量")
|
||||
logger.error("请在 .env 文件中设置或使用: export OPENROUTER_API_KEY='your-key'")
|
||||
sys.exit(1)
|
||||
|
||||
# 运行对比测试
|
||||
compare_models(file_path, subject, grade)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
Reference in New Issue
Block a user