Simon Willison’s Weblog

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Items tagged projects, datasettelite

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Weeknotes: Parquet in Datasette Lite, various talks, more LLM hacking

I’ve fallen a bit behind on my weeknotes. Here’s a catchup for the last few weeks.

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Tracking Mastodon user numbers over time with a bucket of tricks

Mastodon is definitely having a moment. User growth is skyrocketing as more and more people migrate over from Twitter.

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Datasette Lite: Loading JSON data (via) I added a new feature to Datasette Lite: you can now pass it the URL to a JSON file (hosted on a CORS-compatible hosting provider such as GitHub or GitHub Gists) and it will load that file into a database table for you. It expects an array of objects, but if your file has an object as the root it will search through it looking for the first key that is an array of objects and load those instead. # 18th November 2022, 6:43 pm

Measuring traffic during the Half Moon Bay Pumpkin Festival

This weekend was the 50th annual Half Moon Bay Pumpkin Festival.

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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.

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Open every CSV file in a GitHub repository in Datasette Lite (via) I built an Observable notebook that accepts a GitHub repository as input, scans it for CSV files and generates a link to open all of those CSV files in Datasette Lite. # 1st September 2022, 7:24 pm

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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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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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.

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Weeknotes: Datasette Lite, nogil Python, HYTRADBOI

My big project this week was Datasette Lite, a new way to run Datasette directly in a browser, powered by WebAssembly and Pyodide. I also continued my research into running SQL queries in parallel, described last week. Plus I spoke at HYTRADBOI.

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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.

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