304 lines
8.9 KiB
Python
304 lines
8.9 KiB
Python
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#!/usr/bin/env python3
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"""
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生成 PDF 成绩报告
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合并 REPORT.md、FRONTEND.md、成绩摘要，生成完整的 PDF 报告
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使用 weasyprint 进行 HTML→PDF 转换
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"""
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import argparse
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import json
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import os
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import re
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import sys
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from datetime import datetime
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from pathlib import Path
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try:
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import markdown
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from weasyprint import HTML, CSS
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HAS_PDF_SUPPORT = True
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except ImportError:
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HAS_PDF_SUPPORT = False
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def load_json(filepath, default=None):
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"""安全加载 JSON 文件"""
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if not os.path.exists(filepath):
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return default or {}
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try:
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with open(filepath, "r", encoding="utf-8") as f:
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return json.load(f)
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except Exception as e:
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print(f"Error loading {filepath}: {e}", file=sys.stderr)
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return default or {}
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def read_file(filepath):
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"""读取文件内容"""
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if os.path.exists(filepath):
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with open(filepath, "r", encoding="utf-8") as f:
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return f.read()
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return ""
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def generate_grade_summary(final_grade):
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"""生成成绩摘要 Markdown"""
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total = final_grade.get("total_score", 0)
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max_score = final_grade.get("max_score", 100)
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breakdown = final_grade.get("breakdown", {})
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lines = [
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"# 📊 成绩报告",
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"",
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f"**生成时间**: {datetime.now().strftime('%Y-%m-%d %H:%M')}",
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"",
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f"## 总分: {total:.2f} / {max_score}",
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"",
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"### 分项成绩",
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"",
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"| 项目 | 得分 | 满分 |",
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"|------|------|------|",
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]
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# 编程测试
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prog = breakdown.get("programming", {})
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if prog:
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lines.append(f"| 编程测试 | {prog.get('score', 0):.2f} | {prog.get('max_score', 80)} |")
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# REPORT.md
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report = breakdown.get("report", {})
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if report:
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lines.append(f"| REPORT.md | {report.get('score', 0):.2f} | {report.get('max_score', 10)} |")
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# FRONTEND.md
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frontend = breakdown.get("frontend", {})
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if frontend:
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lines.append(f"| FRONTEND.md | {frontend.get('score', 0):.2f} | {frontend.get('max_score', 10)} |")
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# 编程测试详情
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if prog.get("groups"):
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lines.extend([
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"",
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"### 编程测试详情",
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"",
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"| 分组 | 通过 | 总数 | 得分 | 满分 |",
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"|------|------|------|------|------|",
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])
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for group_name, group_info in prog["groups"].items():
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lines.append(
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f"| {group_name} | {group_info.get('passed', 0)} | "
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f"{group_info.get('total', 0)} | {group_info.get('score', 0):.2f} | "
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f"{group_info.get('max_score', 0)} |"
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)
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# LLM 评分详情
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for section_key, section_title in [
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("report", "📝 REPORT.md 评分详情"),
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("frontend", "🎨 FRONTEND.md 评分详情")
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]:
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section = breakdown.get(section_key, {})
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criteria = section.get("criteria", [])
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if criteria:
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lines.extend([
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"",
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f"### {section_title}",
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"",
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"| 评分项 | 得分 | 评语 |",
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"|--------|------|------|",
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])
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for c in criteria:
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reason = c.get("reason", "").replace("|", "｜").replace("\n", " ")[:80]
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lines.append(f"| {c.get('id', '')} | {c.get('score', 0)} | {reason} |")
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confidence = section.get("confidence")
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if confidence:
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lines.append(f"\n*置信度: {confidence:.2f}*")
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flags = section.get("flags", [])
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if flags:
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lines.append(f"\n*标记: {', '.join(flags)}*")
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lines.extend(["", "---", ""])
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return "\n".join(lines)
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def fix_image_paths(content, images_dir):
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"""修复图片路径为绝对路径（用于 PDF 生成）"""
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if not images_dir or not os.path.isdir(images_dir):
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return content
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abs_images_dir = os.path.abspath(images_dir)
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# 替换 Markdown 图片语法
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def replace_img(match):
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alt = match.group(1)
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src = match.group(2)
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if not src.startswith(('http://', 'https://', '/')):
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# 相对路径，转为绝对路径
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abs_src = os.path.join(abs_images_dir, os.path.basename(src))
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if os.path.exists(abs_src):
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return f''
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return match.group(0)
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content = re.sub(r'!\[([^\]]*)\]\(([^)]+)\)', replace_img, content)
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return content
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def create_combined_markdown(args, final_grade):
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"""创建合并后的 Markdown 文件"""
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# 成绩摘要
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grade_summary = generate_grade_summary(final_grade)
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# 读取学生报告
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report_content = read_file(args.report)
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frontend_content = read_file(args.frontend)
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# 修复图片路径
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frontend_content = fix_image_paths(frontend_content, args.images)
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# 合并内容
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combined = [
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grade_summary,
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"# 📝 后端开发反思报告",
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"",
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report_content.strip() if report_content.strip() else "*（未提交）*",
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"",
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"---",
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"",
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"# 🎨 前端开发反思报告",
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"",
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frontend_content.strip() if frontend_content.strip() else "*（未提交）*",
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]
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return "\n".join(combined)
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def markdown_to_html(md_content):
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"""将 Markdown 转换为 HTML"""
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extensions = ['tables', 'fenced_code', 'codehilite']
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html_body = markdown.markdown(md_content, extensions=extensions)
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# 添加 CSS 样式
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html = f'''<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<style>
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body {{
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font-family: "Noto Sans CJK SC", "Microsoft YaHei", "PingFang SC", sans-serif;
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font-size: 12pt;
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line-height: 1.6;
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max-width: 800px;
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margin: 0 auto;
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padding: 20px;
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}}
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h1 {{ color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; }}
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h2 {{ color: #34495e; }}
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h3 {{ color: #7f8c8d; }}
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table {{
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border-collapse: collapse;
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width: 100%;
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margin: 15px 0;
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}}
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th, td {{
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border: 1px solid #ddd;
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padding: 8px;
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text-align: left;
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}}
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th {{ background-color: #3498db; color: white; }}
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tr:nth-child(even) {{ background-color: #f9f9f9; }}
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code {{
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background-color: #f4f4f4;
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padding: 2px 6px;
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border-radius: 3px;
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font-family: "Consolas", monospace;
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}}
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pre {{
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background-color: #f4f4f4;
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padding: 15px;
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border-radius: 5px;
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overflow-x: auto;
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}}
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img {{
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max-width: 100%;
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height: auto;
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border: 1px solid #ddd;
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border-radius: 5px;
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margin: 10px 0;
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}}
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hr {{ border: none; border-top: 1px solid #ddd; margin: 30px 0; }}
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blockquote {{
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border-left: 4px solid #3498db;
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margin: 15px 0;
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padding: 10px 20px;
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background-color: #f9f9f9;
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}}
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</style>
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</head>
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<body>
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{html_body}
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</body>
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</html>'''
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return html
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def convert_to_pdf(md_content, pdf_file, images_dir=None):
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"""使用 weasyprint 将 Markdown 转换为 PDF"""
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if not HAS_PDF_SUPPORT:
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print("weasyprint not available, skipping PDF generation", file=sys.stderr)
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return False
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try:
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html_content = markdown_to_html(md_content)
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# 设置基础 URL 用于图片加载
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base_url = os.path.abspath(images_dir) if images_dir else os.getcwd()
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HTML(string=html_content, base_url=base_url).write_pdf(pdf_file)
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return True
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except Exception as e:
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print(f"PDF generation error: {e}", file=sys.stderr)
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return False
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def main():
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parser = argparse.ArgumentParser(description="Generate PDF grade report")
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parser.add_argument("--report", default="REPORT.md", help="REPORT.md file path")
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parser.add_argument("--frontend", default="FRONTEND.md", help="FRONTEND.md file path")
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parser.add_argument("--grade", default="final_grade.json", help="Final grade JSON file")
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parser.add_argument("--images", default="images", help="Images directory")
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parser.add_argument("--out", default="grade_report.pdf", help="Output PDF file")
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parser.add_argument("--student-id", default="", help="Student ID for filename")
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args = parser.parse_args()
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# 加载成绩
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final_grade = load_json(args.grade, {"total_score": 0, "max_score": 100, "breakdown": {}})
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# 创建合并的 Markdown
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combined_md = create_combined_markdown(args, final_grade)
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# 保存 Markdown 文件（始终保存，作为备份）
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md_out = args.out.replace(".pdf", ".md")
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with open(md_out, "w", encoding="utf-8") as f:
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f.write(combined_md)
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print(f"📝 Markdown report saved: {md_out}")
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# 尝试生成 PDF
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if HAS_PDF_SUPPORT:
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if convert_to_pdf(combined_md, args.out, args.images):
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print(f"✅ PDF report generated: {args.out}")
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return 0
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else:
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print(f"⚠️ PDF generation failed, markdown saved as fallback", file=sys.stderr)
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return 0
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else:
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print(f"ℹ️ PDF support not available (weasyprint not installed), markdown saved")
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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