Datasette News

18th February 2021 #

Datasette 0.55 adds support for cross-database SQL queries. You can now run datasette --crossdb one.db two.db and then run queries that join data from tables in both of those database files - see cross-database queries in the documentation for more details.

sqlite-utils 3.6 adds similar features: a db.attach(alias, filepath) Python API method and --attach alias filepath.db command-line option, both for attaching additional databases in order to execute cross-database queries.

7th February 2021 #

This new Video introduction to Datasette and sqlite-utils provides a full introduction to both Datasette and sqlite-utils in 17 minutes, including a live demo of creating a database from a CSV file and publishing it to Google Cloud Run.

3rd February 2021 #

Serving map tiles from SQLite with MBTiles and datasette-tiles. datasette-tiles is a new plugin that adds a tile server to Datasette, serving map tiles from databases that conform to the MBTiles specification. download-tiles is a tool for building these databases, and datasette-basemap is a plugin that bundles a 22MB SQLite database with OpenStreetMap tiles covering zoom levels 0-6 for the entire world.

25th January 2021 #

Datasette 0.54 is out today. Highlights include the new _internal in-memory database exposing details of connected tables, plus support for JavaScript modules in plugins and add-on scripts. More commentary on this release is available in the annotated release notes.

24th January 2021 #

Drawing shapes on a map to query a SpatiaLite database introduces the new datasette-leaflet-freedraw plugin, which adds support for drawing shapes on a map to specify a GeoJSON MultiPolygon that can be used to query SpatiaLite databases.

7th January 2021 #

APIs from CSS without JavaScript: the datasette-css-properties plugin introduces datasette-css-properties, a highly experimental plugin that can output table rows and SQL query results as CSS stylesheets defining custom properties that can then be used to customize a static HTML page.

19th December 2020 #

New on this site: a Datasette Tools directory and a search engine that covers documentation, tools, plugins, releases and more. The search engine uses Dogsheep Beta - I wrote about how that works in Building a search engine for

13th December 2020 #

I wrote more about how this site works in Weeknotes:, an official project website for Datasette.

10th December 2020 #

Datasette 0.53 - datasette serve --create option, ?column__arraynotcontains= table filter, ?_header=off CSV option and updated links to reflect the new project website.

New Datasette project website - three years after the first release Datasette finally has its own website! The site includes project news, a plugin directory, use-cases and examples. The site is implemented using Datasette custom templates, and the source code is available on GitHub.

28th November 2020 #

Datasette 0.52 - --config is now --setting, new database_actions plugin hook, datasette publish cloudrun --apt-get-install option and several bug fixes.

31st October 2020 #

Datasette 0.51 - A new visual design, plugin hooks for adding navigation options, better handling of binary data, URL building utility methods and better support for running Datasette behind a proxy. Annotated release notes.

9th October 2020 #

Datasette 0.50 - New column actions menu. datasette.client object for plugins to make internal API requests. Improved documentation on deploying Datasette. Annotated release notes.

14th September 2020 #

Datasette 0.49 - JSON API for writable canned queries, path parameters for custom pages. See also Datasette 0.49: The annotated release notes.

16th August 2020 #

Datasette 0.48 - Documentation now lives at, improvements to the extra_template_vars, extra_css_urls, extra_js_urls and extra_body_script plugin hooks.

11th August 2020 #

Datasette 0.47 - Datasette can now be installed using Homebrew! brew install simonw/datasette/datasette. Also new: datasette install name-of-plugin and datasette uninstall name-of-plugin commands, and datasette --get '/-/versions.json' to output the result of Datasette HTTP calls on the command-line.

9th August 2020 #

Datasette 0.46 - security fix relating to CSRF protection for writable canned queries, a new logo, new debugging tools, improved file downloads and more.

6th August 2020 #

GraphQL in Datasette with the new datasette-graphql plugin

24th July 2020 #

Two new plugins: datasette-copyable and datasette-insert-api. datasette-copyable adds copy-and-paste export options, and datasette-insert-api lets you create tables and insert or update data by POSTing JSON directly to Datasette.

1st July 2020 #

Datasette 0.45 - Magic parameters for canned queries, a log out feature, improved plugin documentation and four new plugin hooks. See also Datasette 0.45: The annotated release notes.

20th June 2020 #

A cookiecutter template for writing Datasette plugins

11th June 2020 #

Datasette 0.44 - Authentication and permissions, writable canned queries, flash messages, new plugin hooks and much, much more.

28th May 2020 #

Datasette 0.43 - Redesigned register_output_renderer plugin hook and various small improvements and fixes.

8th May 2020 #

Datasette 0.42 - Documented internal methods for plugins to execute read queries against a database.

6th May 2020 #

Datasette 0.41 - New mechanism for creating custom pages, new configuration directory mode, new ?column__notlike= table filter and various other smaller improvements.

21st April 2020 #

Datasette 0.40 - Metadata can now be provided as YAML instead of JSON. Publishing to Zeit Now v1 is no longer supported, but Now v2 support is provided by the new datasette-publish-now plugin. Various bug fixes.

24th March 2020 #

Datasette 0.39 - New base_url configuration option for running Datasette under a different URL prefix, "sort" and "sort_desc" metadata options for setting a default sort order for a table.

8th March 2020 #

Datasette 0.38 - New --memory option for datasete publish cloudrun, Docker image upgraded to SQLite 3.31.1.

25th February 2020 #

Datasette 0.37 - new internal APIs enabling plugins to safely write to databases. Read more here: Datasette Writes.

21st February 2020 #

Datasette 0.36 - new internals documentation for plugins, prepare_connection() now accepts optional database and datasette arguments.

4th February 2020 #

Datasette 0.35 - new .render_template() method for plugins.

29th January 2020 #

Datasette 0.34 - improvements to search, datasette publish cloudrun and datasette package.

21st January 2020 #

Deploying a data API using GitHub Actions and Cloud Run - how to use GitHub Actions and Google Cloud Run to automatically scrape data and deploy the result as an API with Datasette.

22nd December 2019 #

Datasette 0.33 - various small improvements.

19th December 2019 #

Building tools to bring data-driven reporting to more newsrooms - some notes on my JSK fellowship so far.

2nd December 2019 #

Niche Museums is a new site entirely powered by Datasette, using custom templates and plugins., powered by Datasette describes how the site works, and datasette-atom: Define an Atom feed using a custom SQL query describes how the new datasette-atom plugin was used to add an Atom syndication feed to the site.

14th November 2019 #

Datasette 0.32 now uses asynchronous rendering in Jinja templates, which means template functions can perform asynchronous operations such as executing SQL queries. datasette-template-sql is a new plugin uses this capability to add a new custom sql(sql_query) template function.

11th November 2019 #

Datasette 0.31 - the first version of Datasette to support Python 3.8, which means dropping support for Python 3.5.

18th October 2019 #

Datasette 0.30

13th July 2019 #

Single sign-on against GitHub using ASGI middleware talks about the implementation of datasette-auth-github in more detail.

7th July 2019 #

Datasette 0.29 - ASGI, new plugin hooks, facet by date and much, much more...

  • datasette-auth-github - a new plugin for Datasette 0.29 that lets you require users to authenticate against GitHub before accessing your Datasette instance. You can whitelist specific users, or you can restrict access to members of specific GitHub organizations or teams.
  • datasette-cors - a plugin that lets you configure CORS access from a list of domains (or a set of domain wildcards) so you can make JavaScript calls to a Datasette instance from a specific set of other hosts.

23rd June 2019 #

Porting Datasette to ASGI, and Turtles all the way down

21st May 2019 #

The anonymized raw data from the Stack Overflow Developer Survey 2019 has been published in partnership with Glitch, powered by Datasette.

19th May 2019 #

Datasette 0.28 - a salmagundi of new features!

24th February 2019 #

sqlite-utils: a Python library and CLI tool for building SQLite databases - a partner tool for easily creating SQLite databases for use with Datasette.

31st January 2019 #

Datasette 0.27 - datasette plugins command, newline-delimited JSON export option, new documentation on The Datasette Ecosystem.

10th January 2019 #

Datasette 0.26.1 - SQLite upgrade in Docker image, /-/versions now shows SQLite compile options.

2nd January 2019 #

Datasette 0.26 - minor bug fixes, datasette publish now --alias argument.

18th December 2018 #

Fast Autocomplete Search for Your Website - a new tutorial on using Datasette to build a JavaScript autocomplete search engine.

3rd October 2018 #

The interesting ideas in Datasette - a write-up of some of the less obvious interesting ideas embedded in the Datasette project.

19th September 2018 #

Datasette 0.25 - New plugin hooks, improved database view support and an easier way to use more recent versions of SQLite.

23rd July 2018 #

Datasette 0.24 - a number of small new features

29th June 2018 #

datasette-vega, a new plugin for visualizing data as bar, line or scatter charts

21st June 2018 #

Datasette 0.23.1 - minor bug fixes

18th June 2018 #

Datasette 0.23: CSV, SpatiaLite and more - CSV export, foreign key expansion in JSON and CSV, new config options, improved support for SpatiaLite and a bunch of other improvements

23rd May 2018 #

Datasette 0.22.1 bugfix plus we now use versioneer

20th May 2018 #

Datasette 0.22: Datasette Facets

5th May 2018 #

Datasette 0.21: New _shape=, new _size=, search within columns

25th April 2018 #

Exploring the UK Register of Members Interests with SQL and Datasette - a tutorial describing how was built (source code here)

20th April 2018 #

Datasette plugins, and building a clustered map visualization - introducing Datasette's new plugin system and datasette-cluster-map, a plugin for visualizing data on a map

Datasette 0.20: static assets and templates for plugins

16th April 2018 #

Datasette 0.19: plugins preview

14th April 2018 #

Datasette 0.18: units

9th April 2018 #

Datasette 0.15: sort by column

28th March 2018 #

Baltimore Sun Public Salary Records - a data journalism project from the Baltimore Sun powered by Datasette - source code is available here

27th March 2018 #

Cloud-first: Rapid webapp deployment using containers - a tutorial covering deploying Datasette using Microsoft Azure by the Research Software Engineering team at Imperial College London

28th January 2018 #

Analyzing my Twitter followers with Datasette - a tutorial on using Datasette to analyze follower data pulled from the Twitter API

17th January 2018 #

Datasette Publish: a web app for publishing CSV files as an online database

12th December 2017 #

Building a location to time zone API with SpatiaLite, OpenStreetMap and Datasette

9th December 2017 #

Datasette 0.14: customization edition

25th November 2017 #

New in Datasette: filters, foreign keys and search

13th November 2017 #

Datasette: instantly create and publish an API for your SQLite databases