feat: 添加 doc/xls/ppt 旧格式文档支持
- 新增 DocReader,支持 markitdown 和 pypandoc-binary 解析器 - 新增 XlsReader,支持 unstructured、markitdown 和 pandas+xlrd 解析器 - 新增 PptReader,支持 markitdown 解析器 - 添加 olefile 依赖用于验证 OLE2 格式 - 更新 config.py 添加 doc/xls/ppt 依赖配置 - 更新 --advice 支持 doc/xls/ppt 格式 - 添加相应的测试用例 - 同步 specs 到主目录
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scripts/readers/xls/unstructured.py
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22
scripts/readers/xls/unstructured.py
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"""使用 unstructured 库解析 XLS 文件"""
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from typing import Optional, Tuple
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from readers._utils import convert_unstructured_to_markdown
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def parse(file_path: str) -> Tuple[Optional[str], Optional[str]]:
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"""使用 unstructured 库解析 XLS 文件"""
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try:
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from unstructured.partition.xlsx import partition_xlsx
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except ImportError:
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return None, "unstructured 库未安装"
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try:
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elements = partition_xlsx(filename=file_path, infer_table_structure=True)
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content = convert_unstructured_to_markdown(elements)
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if not content.strip():
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return None, "文档为空"
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return content, None
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except Exception as e:
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return None, f"unstructured 解析失败: {str(e)}"
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