lanyuanxiaoyao
09904aefdc
从 BaseReader 抽象基类及所有 Reader 子类中移除 supported_extensions 属性，该属性在代码库中从未被实际调用，仅作为元数据存在。
52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
"""PPTX 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 scripts.readers.base import BaseReader
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from scripts.utils import is_valid_pptx
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from . import docling
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from . import unstructured
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from . import markitdown
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from . import python_pptx
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from . import native_xml
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PARSERS = [
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("docling", docling.parse),
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("unstructured", unstructured.parse),
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("MarkItDown", markitdown.parse),
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("python-pptx", python_pptx.parse),
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("XML 原生解析", native_xml.parse),
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]
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class PptxReader(BaseReader):
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"""PPTX 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('.pptx')
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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_pptx(file_path):
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return None, ["不是有效的 PPTX 文件"]
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content = None
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for parser_name, parser_func in PARSERS:
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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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return None, failures
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