add_epub_dependency#3176
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JasonW404
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Jun 24, 2026
| "ijson==3.5.0", | ||
| "langchain-text-splitters==1.1.2", | ||
| "ebooklib==0.20", | ||
| "pypandoc==1.17", |
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新增 pypandoc==1.17 依赖。pypandoc 是 Pandoc 的 Python 封装，需要系统安装 Pandoc 二进制文件才能正常工作。请确认：1) Docker 镜像中是否已包含 Pandoc？2) 如果未安装，运行时是否会优雅降级？3) 这个依赖是用于什么场景（如文档格式转换）？建议在 PR 描述中说明。
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该潜在问题在 #3217 中被解决。解决方式为：构建data-process镜像时安装pandoc |
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1）修改内容：加上pypandoc依赖。
2）pypandoc 作用：用于被第三方工具unstructured内部调用，将.epub文件转换为html格式，供其进一步提取纯文本内容。
3）潜在问题：Docker镜像中未包含Pandoc，运行时也无优雅降级，仅提供pypandoc仍无法成功转换文件。