Polars Types

Code

import polars as pl

Enum

Create

Action	Code	Details
Define enum	pl.Enum(['a', 'b', 'c'])
Create enum from Literal	from typing import Literal Labels = Literal['a', 'b', 'c'] pl.Enum(Labels.__args__)

Extract

Action	Code	Details
Get the enum categories	x.categories

List

Variable-length list elements

Create

Action	Code	Details
List with undefined inner elements type	pl.List
List of booleans	pl.list(bool)
List of integers	pl.list(int)
List of floats	pl.list(float)
List of strings	pl.list(str)

Test

Action	Code	Details
Test if type is list of numeric elements	x.inner.is_numeric()

Extract

Action	Code	Details
Get inner elements type	x.inner