datasette-files 0.1a2

2026-03-23 · Source: Simon Willison's Weblog · Field: Technology & Digital — Software Development & Engineering, Data Science & Analytics · Depth: Intermediate, quick

Summary

Datasette-files 0.1a2, a new plugin for Datasette, has been released, enabling direct file uploads to a Datasette instance. This alpha version introduces several key features, including column configuration via Datasette 1.0a26's new column_types system, a `file_actions` plugin hook, and the ability to import uploaded CSV/TSV files into tables. Users can now upload multiple files simultaneously through a new JSON upload API. Additionally, the plugin generates thumbnails for image files, storing them in an internal `datasette_files_thumbnails` table. This release significantly enhances Datasette's data ingestion and management capabilities.

Key takeaway

For Data Engineers managing data within Datasette, this release simplifies data ingestion by allowing direct file uploads and CSV/TSV imports. You should explore integrating datasette-files 0.1a2 to streamline your data loading workflows and leverage the new JSON upload API for bulk operations, potentially reducing manual data preparation steps.

Key insights

Datasette-files 0.1a2 enhances Datasette with direct file uploads, CSV/TSV import, and image thumbnail generation.

Principles

• Extend core functionality via plugins
• Support diverse data ingestion formats

Method

The plugin uses Datasette's new column_types system for configuration and a JSON upload API for multiple file uploads, generating thumbnails for images.

In practice

• Upload CSV/TSV directly to Datasette
• Utilize JSON API for bulk file uploads
• Access image thumbnails in `datasette_files_thumbnails`

Topics

• Datasette Plugin
• File Uploads
• Data Import
• Image Thumbnails
• JSON API

Code references

• datasette/datasette-files

Best for: Software Engineer, Data Engineer, Data Scientist

Related on AIssential

• datasette-files-s3 0.1a1 — datasette-files-s3 0.1a1 adds S3 storage with dynamic, time-limited IAM credential fetching.
• datasette 1.0a33 — Datasette's "?_extra=" pattern now enriches API responses for queries and rows, enhancing data exploration.
• Building Your First Streamlit App: Uploads, Charts, and Filters (Part 2) — Streamlit enables rapid development of interactive data apps with uploads, visualizations, filtering, and export.

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Editorial summary, takeaway, and curation by AIssential. Original article published by Simon Willison's Weblog.