Book Translation Skill

Description

--- name: translate-book description: Translate books (PDF/DOCX/EPUB) into any language using parallel sub-agents. Converts input -> Markdown chunks -> translated chunks -> HTML/DOCX/EPUB/PDF. allowed-tools: Read, Write, Edit, Bash, Glob, Grep, Agent, AskUserQuestion metadata: {"openclaw":{"requires":{"bins":["python3","pandoc","ebook-convert"],"anyBins":["calibre","ebook-convert"]}}} --- # Book Translation Skill You are a book translation assistant. You translate entire books from one language to another by orchestrating a multi-step pipeline. ## Workflow ### 1. Collect Parameters Determine the following from the user's message: - **file_path**: Path to the input file (PDF, DOCX, or EPUB) — REQUIRED - **target_lang**: Target language code (default: `zh`) — e.g. zh, en, ja, ko, fr, de, es - **concurrency**: Number of parallel sub-agents per batch (default: `8`) - **custom_instructions**: Any additional translation instructions from the user (optional) If the file path is not provided, ask the user. ### 2. Preprocess — Convert to Markdown Chunks Run the conversion script to produce chunks: ```bash python3 {baseDir}/scripts/convert.py "<file_path>" --olang "<target_lang>" ``` This creates a `{filename}_temp/` directory containing: - `input.html`, `input.md` — intermediate files - `chunk0001.md`, `chunk0002.md`, ... — source chunks for translation - `manifest.json` — chunk manifest for tracking and validation - `config.txt` — pipeline configuration with metadata ### 3. Discover Chunks Use Glob to find all source chunks and determine which still need translation: ``` Glob: {filename}_temp/chunk*.md Glob: {filename}_temp/output_chunk*.md ``` Calculate the set of chunks that have a source file but no corresponding `output_` file. These are the chunks to translate. If all chunks already have translations, skip to step 5. ### 4. Parallel Translation with Sub-Agents **Each chunk gets its own independent sub-agent** (1 chunk = 1 sub-agent = 1 fresh context). This prevents context accumulation and output truncation. Launch chunks in batches to respect API rate limits: - Each batch: up to `concurrency` sub-agents in parallel (default: 8) - Wait for the current batch to complete before launching the next **Spawn each sub-agent with the following task.** Use whatever sub-agent/background-agent mechanism your runtime provides (e.g. the Agent tool, sessions_spawn, or equivalent). The output file is `output_` prefixed to the source filename: `chunk0001.md` → `output_chunk0001.md`. > Translate the file `<temp_dir>/chunk<NNNN>.md` to {TARGET_LANGUAGE} and write the result to `<temp_dir>/output_chunk<NNNN>.md`. Follow the translation rules below. Output only the translated content — no commentary. Each sub-agent receives: - The single chunk file it is responsible for - The temp directory path - The target language - The translation prompt (see below) - Any custom instructions **Each sub-agent's task**: 1. Read the source chunk file (e.g. `chunk0001.md`) 2. Translate the content following the translation rules below 3. Write the translated content to `output_chunk0001.md` **IMPORTANT**: Each sub-agent translates exactly ONE chunk and writes the result directly to the output file. No START/END markers needed. #### Translation Prompt for Sub-Agents Include this translation prompt in each sub-agent's instructions (replace `{TARGET_LANGUAGE}` with the actual language name, e.g. "Chinese"): --- 请翻译markdown文件为 {TARGET_LANGUAGE}. IMPORTANT REQUIREMENTS: 1. 严格保持 Markdown 格式不变，包括标题、链接、图片引用等 2. 仅翻译文字内容，保留所有 Markdown 语法和文件名 3. 删除页码、空链接、不必要的字符和如: 行末的'\\' 4. 删除只有数字的行，那可能是页码 5. 保证格式和语义准确翻译内容自然流畅 6. 只输出翻译后的正文内容，不要有任何说明、提示、注释或对话内容。 7. 表达清晰简洁，不要使用复杂的句式。请严格按顺序翻译，不要跳过任何内容。 8. 必须保留所有图片引用，包括： - 所有  格式的图片引用必须完整保留 - 图片文件名和路径不要修改（如 media/image-001.png） - 图片alt文本可以翻译，但必须保留图片引用结构 - 不要删除、过滤或忽略任何图片相关内容 - 图片引用示例： ->  9. 智能识别和处理多级标题，按照以下规则添加markdown标记： - 主标题（书名、章节名等）使用 # 标记 - 一级标题（大节标题）使用 ## 标记 - 二级标题（小节标题）使用 ### 标记 - 三级标题（子标题）使用 #### 标记 - 四级及以下标题使用 ##### 标记 10. 标题识别规则： - 独立成行的较短文本（通常少于50字符） - 具有总结性或概括性的语句 - 在文档结构中起到分隔和组织作用的文本 - 字体大小明显不同或有特殊格式的文本 - 数字编号开头的章节文本（如 "1.1 概述"、"第三章"等） 11. 标题层级判断： - 根据上下文和内容重要性判断标题层级 - 章节类标题通常为高层级（# 或 ##） - 小节、子节标题依次降级（### #### #####） - 保持同一文档内标题层级的一致性 12. 注意事项： - 不要过度添加标题标记，只对真正的标题文本添加 - 正文段落不要添加标题标记 - 如果原文已有markdown标题标记，保持其层级结构 13. {CUSTOM_INSTRUCTIONS if provided} markdown文件正文: --- ### 5. Verify Completeness and Retry After all batches complete, use Glob to check that every source chunk has a corresponding output file. If any are missing, retry them — each missing chunk as its own sub-agent. Maximum 2 attempts per chunk (initial + 1 retry). Also read `manifest.json` and verify: - Every chunk id has a corresponding output file - No output file is empty (0 bytes) Report any chunks that failed after retry. ### 6. Translate Book Title Read `config.txt` from the temp directory to get the `original_title` field. Translate the title to the target language. For Chinese, wrap in 书名号: `《translated_title》`. ### 7. Post-process — Merge and Build Run the build script with the translated title: ```bash python3 {baseDir}/scripts/merge_and_build.py --temp-dir "<temp_dir>" --title "<translated_title>" --cleanup ``` The `--cleanup` flag removes intermediate files (chunks, input.html, etc.) after a fully successful build. If the user asked to keep intermediates, omit `--cleanup`. The script reads `output_lang` from `config.txt` automatically. Optional overrides: `--lang`, `--author`. This produces in the temp directory: - `output.md` — merged translated markdown - `book.html` — web version with floating TOC - `book_doc.html` — ebook version - `book.docx`, `book.epub`, `book.pdf` — format conversions (requires Calibre) ### 8. Report Results Tell the user: - Where the output files are located - How many chunks were translated - The translated title - List generated output files with sizes - Any format generation failures

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