docx

Category: Content & Multimedia | Uploader: tomascupr | Downloads: 0 | Version: v1.0（Latest）

Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks

Changelog: Source: GitHub https://github.com/tomascupr/sandstorm

Directory Structure

Current level: .claude/skills/docx/

📁 ooxml/
- 📁 schemas/
  - 📁 ecma/
    
    📁 fouth-edition/
    
    📄 opc-contentTypes.xsd 1.9 KB
    
    📄 opc-coreProperties.xsd 2.5 KB
    
    📄 opc-digSig.xsd 2.8 KB
    
    📄 opc-relationships.xsd 1.3 KB
  - 📁 ISO-IEC29500-4_2016/
    
    📄 dml-chart.xsd 73.2 KB
    
    📄 dml-chartDrawing.xsd 6.8 KB
    
    📄 dml-diagram.xsd 50.1 KB
    
    📄 dml-lockedCanvas.xsd 624 B
    
    📄 dml-main.xsd 148.5 KB
    
    📄 dml-picture.xsd 1.2 KB
    
    📄 dml-spreadsheetDrawing.xsd 8.7 KB
    
    📄 dml-wordprocessingDrawing.xsd 14.4 KB
    
    📄 pml.xsd 81.7 KB
    
    📄 shared-additionalCharacteristics.xsd 1.2 KB
    
    📄 shared-bibliography.xsd 7.2 KB
    
    📄 shared-commonSimpleTypes.xsd 6.2 KB
    
    📄 shared-customXmlDataProperties.xsd 1.2 KB
    
    📄 shared-customXmlSchemaProperties.xsd 880 B
    
    📄 shared-documentPropertiesCustom.xsd 2.5 KB
    
    📄 shared-documentPropertiesExtended.xsd 3.4 KB
    
    📄 shared-documentPropertiesVariantTypes.xsd 7.3 KB
    
    📄 shared-math.xsd 22.8 KB
    
    📄 shared-relationshipReference.xsd 1.3 KB
    
    📄 sml.xsd 236.6 KB
    
    📄 vml-main.xsd 25.5 KB
    
    📄 vml-officeDrawing.xsd 24.7 KB
    
    📄 vml-presentationDrawing.xsd 535 B
    
    📄 vml-spreadsheetDrawing.xsd 5.6 KB
    
    📄 vml-wordprocessingDrawing.xsd 3.9 KB
    
    📄 wml.xsd 167.4 KB
    
    📄 xml.xsd 4.5 KB
  - 📁 mce/
    
    📄 mc.xsd 3.1 KB
  - 📁 microsoft/
    
    📄 wml-2010.xsd 25.9 KB
    
    📄 wml-2012.xsd 3.7 KB
    
    📄 wml-2018.xsd 901 B
    
    📄 wml-cex-2018.xsd 1.7 KB
    
    📄 wml-cid-2016.xsd 1002 B
    
    📄 wml-sdtdatahash-2020.xsd 600 B
    
    📄 wml-symex-2015.xsd 745 B
- 📁 scripts/
  - 📁 validation/
    
    📄 __init__.py 336 B
    
    📄 base.py 39.0 KB
    
    📄 docx.py 9.8 KB
    
    📄 pptx.py 12.0 KB
    
    📄 redlining.py 10.9 KB
  - 📄 pack.py 5.5 KB
  - 📄 unpack.py 1.0 KB
  - 📄 validate.py 1.9 KB
📁 scripts/
- 📁 templates/
  - 📄 comments.xml 2.6 KB
  - 📄 commentsExtended.xml 2.6 KB
  - 📄 commentsExtensible.xml 2.7 KB
  - 📄 commentsIds.xml 2.6 KB
  - 📄 people.xml 147 B
- 📄 __init__.py 65 B
- 📄 document.py 49.2 KB
- 📄 utilities.py 13.4 KB
📄 docx-js.md 16.1 KB
📄 ooxml.md 23.0 KB
📄 SKILL.md 9.9 KB

SKILL.md

---
name: docx
description: "Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks"
license: Proprietary. LICENSE.txt has complete terms
---

# DOCX creation, editing, and analysis

## Overview

A user may ask you to create, edit, or analyze the contents of a .docx file. A .docx file is essentially a ZIP archive containing XML files and other resources that you can read or edit. You have different tools and workflows available for different tasks.

## Workflow Decision Tree

### Reading/Analyzing Content
Use "Text extraction" or "Raw XML access" sections below

### Creating New Document
Use "Creating a new Word document" workflow

### Editing Existing Document
- **Your own document + simple changes**
  Use "Basic OOXML editing" workflow

- **Someone else's document**
  Use **"Redlining workflow"** (recommended default)

- **Legal, academic, business, or government docs**
  Use **"Redlining workflow"** (required)

## Reading and analyzing content

### Text extraction
If you just need to read the text contents of a document, you should convert the document to markdown using pandoc. Pandoc provides excellent support for preserving document structure and can show tracked changes:

```bash
# Convert document to markdown with tracked changes
pandoc --track-changes=all path-to-file.docx -o output.md
# Options: --track-changes=accept/reject/all
```

### Raw XML access
You need raw XML access for: comments, complex formatting, document structure, embedded media, and metadata. For any of these features, you'll need to unpack a document and read its raw XML contents.

#### Unpacking a file
`python ooxml/scripts/unpack.py <office_file> <output_directory>`

#### Key file structures
* `word/document.xml` - Main document contents
* `word/comments.xml` - Comments referenced in document.xml
* `word/media/` - Embedded images and media files
* Tracked changes use `<w:ins>` (insertions) and `<w:del>` (deletions) tags

## Creating a new Word document

When creating a new Word document from scratch, use **docx-js**, which allows you to create Word documents using JavaScript/TypeScript.

### Workflow
1. **MANDATORY - READ ENTIRE FILE**: Read [`docx-js.md`](docx-js.md) (~500 lines) completely from start to finish. **NEVER set any range limits when reading this file.** Read the full file content for detailed syntax, critical formatting rules, and best practices before proceeding with document creation.
2. Create a JavaScript/TypeScript file using Document, Paragraph, TextRun components (You can assume all dependencies are installed, but if not, refer to the dependencies section below)
3. Export as .docx using Packer.toBuffer()

## Editing an existing Word document

When editing an existing Word document, use the **Document library** (a Python library for OOXML manipulation). The library automatically handles infrastructure setup and provides methods for document manipulation. For complex scenarios, you can access the underlying DOM directly through the library.

### Workflow
1. **MANDATORY - READ ENTIRE FILE**: Read [`ooxml.md`](ooxml.md) (~600 lines) completely from start to finish. **NEVER set any range limits when reading this file.** Read the full file content for the Document library API and XML patterns for directly editing document files.
2. Unpack the document: `python ooxml/scripts/unpack.py <office_file> <output_directory>`
3. Create and run a Python script using the Document library (see "Document Library" section in ooxml.md)
4. Pack the final document: `python ooxml/scripts/pack.py <input_directory> <office_file>`

The Document library provides both high-level methods for common operations and direct DOM access for complex scenarios.

## Redlining workflow for document review

This workflow allows you to plan comprehensive tracked changes using markdown before implementing them in OOXML. **CRITICAL**: For complete tracked changes, you must implement ALL changes systematically.

**Batching Strategy**: Group related changes into batches of 3-10 changes. This makes debugging manageable while maintaining efficiency. Test each batch before moving to the next.

**Principle: Minimal, Precise Edits**
When implementing tracked changes, only mark text that actually changes. Repeating unchanged text makes edits harder to review and appears unprofessional. Break replacements into: [unchanged text] + [deletion] + [insertion] + [unchanged text]. Preserve the original run's RSID for unchanged text by extracting the `<w:r>` element from the original and reusing it.

Example - Changing "30 days" to "60 days" in a sentence:
```python
# BAD - Replaces entire sentence
'<w:del><w:r><w:delText>The term is 30 days.</w:delText></w:r></w:del><w:ins><w:r><w:t>The term is 60 days.</w:t></w:r></w:ins>'

# GOOD - Only marks what changed, preserves original <w:r> for unchanged text
'<w:r w:rsidR="00AB12CD"><w:t>The term is </w:t></w:r><w:del><w:r><w:delText>30</w:delText></w:r></w:del><w:ins><w:r><w:t>60</w:t></w:r></w:ins><w:r w:rsidR="00AB12CD"><w:t> days.</w:t></w:r>'
```

### Tracked changes workflow

1. **Get markdown representation**: Convert document to markdown with tracked changes preserved:
   ```bash
   pandoc --track-changes=all path-to-file.docx -o current.md
   ```

2. **Identify and group changes**: Review the document and identify ALL changes needed, organizing them into logical batches:

   **Location methods** (for finding changes in XML):
   - Section/heading numbers (e.g., "Section 3.2", "Article IV")
   - Paragraph identifiers if numbered
   - Grep patterns with unique surrounding text
   - Document structure (e.g., "first paragraph", "signature block")
   - **DO NOT use markdown line numbers** - they don't map to XML structure

   **Batch organization** (group 3-10 related changes per batch):
   - By section: "Batch 1: Section 2 amendments", "Batch 2: Section 5 updates"
   - By type: "Batch 1: Date corrections", "Batch 2: Party name changes"
   - By complexity: Start with simple text replacements, then tackle complex structural changes
   - Sequential: "Batch 1: Pages 1-3", "Batch 2: Pages 4-6"

3. **Read documentation and unpack**:
   - **MANDATORY - READ ENTIRE FILE**: Read [`ooxml.md`](ooxml.md) (~600 lines) completely from start to finish. **NEVER set any range limits when reading this file.** Pay special attention to the "Document Library" and "Tracked Change Patterns" sections.
   - **Unpack the document**: `python ooxml/scripts/unpack.py <file.docx> <dir>`
   - **Note the suggested RSID**: The unpack script will suggest an RSID to use for your tracked changes. Copy this RSID for use in step 4b.

4. **Implement changes in batches**: Group changes logically (by section, by type, or by proximity) and implement them together in a single script. This approach:
   - Makes debugging easier (smaller batch = easier to isolate errors)
   - Allows incremental progress
   - Maintains efficiency (batch size of 3-10 changes works well)

   **Suggested batch groupings:**
   - By document section (e.g., "Section 3 changes", "Definitions", "Termination clause")
   - By change type (e.g., "Date changes", "Party name updates", "Legal term replacements")
   - By proximity (e.g., "Changes on pages 1-3", "Changes in first half of document")

   For each batch of related changes:

   **a. Map text to XML**: Grep for text in `word/document.xml` to verify how text is split across `<w:r>` elements.

   **b. Create and run script**: Use `get_node` to find nodes, implement changes, then `doc.save()`. See **"Document Library"** section in ooxml.md for patterns.

   **Note**: Always grep `word/document.xml` immediately before writing a script to get current line numbers and verify text content. Line numbers change after each script run.

5. **Pack the document**: After all batches are complete, convert the unpacked directory back to .docx:
   ```bash
   python ooxml/scripts/pack.py unpacked reviewed-document.docx
   ```

6. **Final verification**: Do a comprehensive check of the complete document:
   - Convert final document to markdown:
     ```bash
     pandoc --track-changes=all reviewed-document.docx -o verification.md
     ```
   - Verify ALL changes were applied correctly:
     ```bash
     grep "original phrase" verification.md  # Should NOT find it
     grep "replacement phrase" verification.md  # Should find it
     ```
   - Check that no unintended changes were introduced


## Converting Documents to Images

To visually analyze Word documents, convert them to images using a two-step process:

1. **Convert DOCX to PDF**:
   ```bash
   soffice --headless --convert-to pdf document.docx
   ```

2. **Convert PDF pages to JPEG images**:
   ```bash
   pdftoppm -jpeg -r 150 document.pdf page
   ```
   This creates files like `page-1.jpg`, `page-2.jpg`, etc.

Options:
- `-r 150`: Sets resolution to 150 DPI (adjust for quality/size balance)
- `-jpeg`: Output JPEG format (use `-png` for PNG if preferred)
- `-f N`: First page to convert (e.g., `-f 2` starts from page 2)
- `-l N`: Last page to convert (e.g., `-l 5` stops at page 5)
- `page`: Prefix for output files

Example for specific range:
```bash
pdftoppm -jpeg -r 150 -f 2 -l 5 document.pdf page  # Converts only pages 2-5
```

## Code Style Guidelines
**IMPORTANT**: When generating code for DOCX operations:
- Write concise code
- Avoid verbose variable names and redundant operations
- Avoid unnecessary print statements

## Dependencies

Required dependencies (install if not available):

- **pandoc**: `sudo apt-get install pandoc` (for text extraction)
- **docx**: `npm install -g docx` (for creating new documents)
- **LibreOffice**: `sudo apt-get install libreoffice` (for PDF conversion)
- **Poppler**: `sudo apt-get install poppler-utils` (for pdftoppm to convert PDF to images)
- **defusedxml**: `pip install defusedxml` (for secure XML parsing)

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