django-modeltranslation/modeltranslation/utils.py

36 lines
1.2 KiB
Python

# -*- coding: utf-8 -*-
from django.db import models
from django.conf import settings
from django.core.exceptions import ValidationError, ImproperlyConfigured
from django.contrib.contenttypes.models import ContentType
from django.utils.translation import get_language as _get_language
from django.utils.functional import lazy
from modeltranslation.settings import *
def get_language():
"""
Return an active language code that is guaranteed to be in
settings.LANGUAGES (Django does not seem to guarantee this for us).
"""
lang = _get_language()
if lang not in AVAILABLE_LANGUAGES and '-' in lang:
lang = lang.split('-')[0]
if lang in AVAILABLE_LANGUAGES:
return lang
return DEFAULT_LANGUAGE
def get_translation_fields(field):
"""Returns a list of localized fieldnames for a given field."""
return [build_localized_fieldname(field, l) for l in AVAILABLE_LANGUAGES]
def build_localized_fieldname(field_name, lang):
return str('%s_%s' % (field_name, lang.replace('-', '_')))
def _build_localized_verbose_name(verbose_name, lang):
return u'%s [%s]' % (verbose_name, lang)
build_localized_verbose_name = lazy(_build_localized_verbose_name, unicode)