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lyxy-document/scripts/readers/pdf/unstructured.py
lanyuanxiaoyao 1aea561277 refactor: 重构 Reader 内部工具函数到独立模块
- 新增 scripts/readers/_utils.py 作为 Reader 内部共享工具模块
- 将 parse_with_markitdown 等函数从 core/markdown.py 迁移到 _utils.py
- 函数重命名:parse_with_xxx → parse_via_xxx,_unstructured_elements_to_markdown → convert_unstructured_to_markdown
- 更新 17 个 Reader 实现文件的 import 路径
- 从 core/__init__.py 移除已迁移函数的导出
- 新增测试文件 tests/test_readers/test_utils.py
- 新增 spec 文档 openspec/specs/reader-internal-utils/spec.md

这次重构明确了模块边界:core/ 提供公共 API,readers/_utils.py 提供 Reader 内部工具
2026-03-09 00:56:05 +08:00

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"""使用 unstructured 库解析 PDF 文件fast 策略)"""
from typing import Optional, Tuple
from scripts.readers._utils import convert_unstructured_to_markdown
def parse(file_path: str) -> Tuple[Optional[str], Optional[str]]:
"""使用 unstructured 库解析 PDF 文件fast 策略)"""
try:
from unstructured.partition.pdf import partition_pdf
except ImportError:
return None, "unstructured 库未安装"
try:
elements = partition_pdf(
filename=file_path,
infer_table_structure=True,
strategy="fast",
languages=["chi_sim"],
)
# fast 策略不做版面分析Title 类型标注不可靠
content = convert_unstructured_to_markdown(elements, trust_titles=False)
if not content.strip():
return None, "文档为空"
return content, None
except Exception as e:
return None, f"unstructured 解析失败: {str(e)}"