polars-whichlang

This polars plugin is a wrapper for whichlang, a very fast and reasonably accurate language identification library written in rust.

It currently supports the following languages:

Arabic (ara)
Dutch (nld)
English (eng)
French (fra)
German (deu)
Hindi (hin)
Italian (ita)
Japanese (jpn)
Korean (kor)
Mandarin (cmn)
Portuguese (por)
Russian (rus)
Spanish (spa)
Swedish (swe)
Turkish (tur)
Vietnamese (vie)

Installation

pip install polars-whichlang

Examples

import polars as pl
from polars_whichlang import detect_lang

df = pl.DataFrame(
    {
        "index": [1, 2, 3, 4],
        "text": [
            "This is a test.", 
            "Đây là một bài kiểm tra.", 
            "Dies ist ein Test", 
            "这是一个测试"
        ],
    }
)

df.with_columns(detect_lang('text').alias('lang'))

shape: (4, 3)
┌───────┬──────────────────────────┬──────┐
│ index ┆ text                     ┆ lang │
│ ---   ┆ ---                      ┆ ---  │
│ i64   ┆ str                      ┆ str  │
╞═══════╪══════════════════════════╪══════╡
│ 1     ┆ This is a test.          ┆ eng  │
│ 2     ┆ Đây là một bài kiểm tra. ┆ vie  │
│ 3     ┆ Dies ist ein Test        ┆ deu  │
│ 4     ┆ 这是一个测试               ┆ cmn  │
└───────┴──────────────────────────┴──────┘

Metadata

Release files for polars-whichlang 0.1.2

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for polars-whichlang 0.1.2
File	Size	Uploaded
polars_whichlang-0.1.2.tar.gz	29.5 kB	Mar 30, 2026	Details

Built distributions (wheels)

Table of built distributions (wheels) for polars-whichlang 0.1.2
File	Interpreter	ABI	Platform	Reset
polars_whichlang-0.1.2-cp39-abi3-win_amd64.whl 4.7 MB Mar 30, 2026	CPython 3.9	abi3	Windows x86-64	Details
polars_whichlang-0.1.2-cp39-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl 5.3 MB Mar 30, 2026	CPython 3.9	abi3	Linux glibc 2.17+ ARM64	Details
polars_whichlang-0.1.2-cp39-abi3-macosx_11_0_arm64.whl 4.4 MB Mar 30, 2026	CPython 3.9	abi3	macOS 11.0+ ARM64	Details
polars_whichlang-0.1.2-cp39-abi3-macosx_10_12_x86_64.whl 4.6 MB Mar 30, 2026	CPython 3.9	abi3	macOS 10.12+ x86-64	Details
polars_whichlang-0.1.2-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl 5.3 MB Mar 30, 2026	CPython 3.8	CPython 3.8	Linux glibc 2.17+ x86-64	Details

Total release size: 24.4 MB

Release files / polars_whichlang-0.1.2.tar.gz

Download URL	polars_whichlang-0.1.2.tar.gz
Size	29.5 kB
Tags	Source
SHA-256 checksum How to use checksums	`2a4b7987686f64c5bfcb736c7a3847c84a9eef54adf7ba0f518cdb211d6f98a5`
BLAKE2b-256 checksum How to use checksums	`a2f1edfe0d0ff5a07d059b75e02b89928f8ce11ad140f77036d15b9f95cb9f3c`
Upload date	Mar 30, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`maturin/1.12.6`

Release files / polars_whichlang-0.1.2-cp39-abi3-win_amd64.whl

Download URL	polars_whichlang-0.1.2-cp39-abi3-win_amd64.whl
Size	4.7 MB
Tags	CPython 3.9 Windows x86-64 abi3
SHA-256 checksum How to use checksums	`58ce12b6bc50c77073db4b451034420f312f368d648eab706cf13906d341b640`
BLAKE2b-256 checksum How to use checksums	`1f2418a1d10ed4f6ce89e03d64150d468eece15f1dbc185df22437108a3ce8e1`
Upload date	Mar 30, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`maturin/1.12.6`

Release files / polars_whichlang-0.1.2-cp39-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl

Download URL	polars_whichlang-0.1.2-cp39-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl
Size	5.3 MB
Tags	CPython 3.9 Linux glibc 2.17+ ARM64 abi3
SHA-256 checksum How to use checksums	`c3ec4b07ae06c6a3c5cfb27bcc3a1504806d7775701824a8b95d47e39b4304b5`
BLAKE2b-256 checksum How to use checksums	`d64124cfff168bac32fc4b5c7e7b3534d3022a387086898086ed51f0a1a342e6`
Upload date	Mar 30, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`maturin/1.12.6`

Release files / polars_whichlang-0.1.2-cp39-abi3-macosx_11_0_arm64.whl

Download URL	polars_whichlang-0.1.2-cp39-abi3-macosx_11_0_arm64.whl
Size	4.4 MB
Tags	CPython 3.9 abi3 macOS 11.0+ ARM64
SHA-256 checksum How to use checksums	`641c4a1814d1e57cf08c5603d7de7368f63637608431c897d4f525a141ff0646`
BLAKE2b-256 checksum How to use checksums	`032c381b03def937fcddc90b8eb655ff80e76fdf5813cce8ee0294ff56cc61c0`
Upload date	Mar 30, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`maturin/1.12.6`

Release files / polars_whichlang-0.1.2-cp39-abi3-macosx_10_12_x86_64.whl

Download URL	polars_whichlang-0.1.2-cp39-abi3-macosx_10_12_x86_64.whl
Size	4.6 MB
Tags	CPython 3.9 abi3 macOS 10.12+ x86-64
SHA-256 checksum How to use checksums	`07a64a20b865d169bcbb778e29b5721feb3058794690539181d05dddc7861394`
BLAKE2b-256 checksum How to use checksums	`12da44774ebcb12f2180ae4d5d2ba0555e1ec5d53c40373ff539ac1ade946cba`
Upload date	Mar 30, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`maturin/1.12.6`

Release files / polars_whichlang-0.1.2-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl

Download URL	polars_whichlang-0.1.2-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
Size	5.3 MB
Tags	CPython 3.8 Linux glibc 2.17+ x86-64
SHA-256 checksum How to use checksums	`a88428e3dc7a07e663f97cc40a053bace90668d2ff8f2547fd5ddee126a9b4d2`
BLAKE2b-256 checksum How to use checksums	`7740c8f086714c7aa2daf5670103eec8e5c3bf53680a8e64b32beb2c79540a8e`
Upload date	Mar 30, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`maturin/1.12.6`