Plugins

Polars allows you to extend its functionality with either Expression plugins or IO plugins.

• Expression plugins
• IO plugins

Community plugins

Here is a curated (non-exhaustive) list of community-implemented plugins.

Various

• polars-xdt Polars plugin with extra datetime-related functionality which isn't quite in-scope for the main library
• polars-hash Stable non-cryptographic and cryptographic hashing functions for Polars

Data science

• polars-distance Polars plugin for pairwise distance functions
• polars-ds Polars extension aiming to simplify common numerical/string data analysis procedures

Geo

• polars-st Polars ST provides spatial operations on Polars DataFrames, Series and Expressions. Just like Shapely and Geopandas.
• polars-reverse-geocode Offline reverse geocoder for finding the closest city to a given (latitude, longitude) pair.
• polars-h3 This is a Polars extension that adds support for the H3 discrete global grid system, so you can index points and geometries to hexagons directly in Polars.

Other material

• Ritchie Vink - Keynote on Polars Plugins
• Polars plugins tutorial Learn how to write a plugin by going through some very simple and minimal examples
• cookiecutter-polars-plugin Project template for Polars Plugins