Weblate Language Data

2026.7 verified Mon Apr 27 auth: no python

Provides language definitions (names, plurals, country info) used by Weblate. Version 2026.7 requires Python >=3.11. Released on a monthly cadence alongside Weblate releases.

pip install weblate-language-data

Common errors

error ModuleNotFoundError: No module named 'weblate' ↓

cause Trying to import from `weblate.language_data` assuming it's part of the main Weblate package.

fix

Install and import from the separate package: pip install weblate-language-data then from weblate_language_data import COUNTRIES.

error AttributeError: module 'weblate_language_data' has no attribute 'LANGUAGE' (or similar) ↓

cause Typo: the correct constant is `LANGUAGES` (plural).

fix

Use from weblate_language_data import LANGUAGES

error ImportError: cannot import name 'COUNTRIES' from 'weblate_language_data' ↓

cause The constant may have been renamed in a newer version. Check the source for available symbols.

fix

Run python -c "import weblate_language_data; print(dir(weblate_language_data))" to list available exports.

Warnings

breaking Python 3.11 minimum required starting from version 2026.7. Older Python versions will get ImportError or install failure. ↓

fix Upgrade Python to 3.11+ or pin to an older version (e.g., weblate-language-data==2025.12).

gotcha The package name uses hyphens on PyPI (weblate-language-data), but the import uses underscores (weblate_language_data). Common mistake: try to import weblate.language_data. ↓

fix Use `from weblate_language_data import ...`

gotcha LANGUAGES dict keys are language codes (e.g., 'cs_CZ') not just 'cs'. Use PLURAL_REPRESENTATIVES for plural forms with language-only codes. ↓

fix Check the exact key format in the source data.

Imports

COUNTRIES

wrong

from weblate.language_data import COUNTRIES

correct

from weblate_language_data import COUNTRIES

This package is a flat namespace, not part of the `weblate` package.

PLURAL_REPRESENTATIVES

from weblate_language_data import PLURAL_REPRESENTATIVES

LANGUAGES

from weblate_language_data import LANGUAGES

Quickstart

Import and use the language data constants.

from weblate_language_data import COUNTRIES, LANGUAGES, PLURAL_REPRESENTATIVES

# List all languages
for code, name in LANGUAGES.items():
    print(f"{code}: {name}")

# Get country name for a country code
print(COUNTRIES.get('cz', 'Czechia'))

# Get plural forms for a language
print(PLURAL_REPRESENTATIVES.get('cs', 'nplurals=3; plural=(n==1 ? 0 : n>=2 && n<=4 ? 1 : 2);'))