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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46
scripts/readers/ppt/__init__.py
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46
scripts/readers/ppt/__init__.py
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"""PPT 文件阅读器,支持多种解析方法。"""
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import os
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from typing import List, Optional, Tuple
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from readers.base import BaseReader
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from utils import is_valid_ppt
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from . import markitdown
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PARSERS = [
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("MarkItDown", markitdown.parse),
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]
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class PptReader(BaseReader):
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"""PPT 文件阅读器"""
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def supports(self, file_path: str) -> bool:
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return file_path.lower().endswith('.ppt')
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def parse(self, file_path: str) -> Tuple[Optional[str], List[str]]:
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failures = []
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# 检查文件是否存在
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if not os.path.exists(file_path):
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return None, ["文件不存在"]
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# 验证文件格式
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if not is_valid_ppt(file_path):
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return None, ["不是有效的 PPT 文件"]
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content = None
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for parser_name, parser_func in PARSERS:
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try:
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content, error = parser_func(file_path)
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if content is not None:
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return content, failures
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else:
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failures.append(f"- {parser_name}: {error}")
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except Exception as e:
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failures.append(f"- {parser_name}: [意外异常] {type(e).__name__}: {str(e)}")
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return None, failures
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