Simon Willison’s Weblog

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Series: Datasette Lite

A distribution of Datasette that runs entirely in the browser, using WebAssembly and Pyodide.

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Datasette Lite: a server-side Python web application running in a browser

Visit Datasette Lite: a server-side Python web application running in a browser

Datasette Lite is a new way to run Datasette: entirely in a browser, taking advantage of the incredible Pyodide project which provides Python compiled to WebAssembly plus a whole suite of useful extras.

[... 4,800 words]

Joining CSV files in your browser using Datasette Lite

Visit Joining CSV files in your browser using Datasette Lite

I added a new feature to Datasette Lite—my version of Datasette that runs entirely in your browser using WebAssembly (previously): you can now use it to load one or more CSV files by URL, and then run SQL queries against them—including joins across data from multiple files.

[... 546 words]

Plugin support for Datasette Lite

Visit Plugin support for Datasette Lite

I’ve added a new feature to Datasette Lite, my distribution of Datasette that runs entirely in the browser using Python and SQLite compiled to WebAssembly. You can now install additional Datasette plugins by passing them in the URL.

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Analyzing ScotRail audio announcements with Datasette—from prototype to production

Visit Analyzing ScotRail audio announcements with Datasette - from prototype to production

Scottish train operator ScotRail released a two-hour long MP3 file containing all of the components of its automated station announcements. Messing around with them is proving to be a huge amount of fun.

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Weeknotes: Datasette Lite, s3-credentials, shot-scraper, datasette-edit-templates and more

Visit Weeknotes: Datasette Lite, s3-credentials, shot-scraper, datasette-edit-templates and more

Despite distractions from AI I managed to make progress on a bunch of different projects this week, including new releases of s3-credentials and shot-scraper, a new datasette-edit-templates plugin and a small but neat improvement to Datasette Lite.

[... 1,562 words]