Generate Document Cover Processor #
Generates a cover image and a thumbnail for a document.
Note: For attachment cover generation, use
generate_attachment_coverinstead.
The generated cover and thumbnail are stored with the document and can be retrieved via the document API.
| Supported format | Notes |
|---|---|
| Cover from the first page | |
| PPTX / DOCX / XLSX and OpenDocument equivalents | Cover from the first page |
| Markdown | Rendered cover |
| Image | Thumbnail of the image itself |
Requirements/Dependencies #
| Tool | Required for |
|---|---|
pdftoppm (poppler-utils) | PDF cover generation |
LibreOffice (soffice) | Office document cover generation |
| Chromium (headless) | Markdown rendered cover |
Configuration #
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
message_field | string | No | messages | Pipeline context key for the input messages |
output_queue | object | No | null | Queue to push processed documents to |
Example #
- generate_document_cover:
output_queue:
name: "documents_with_cover"