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