Collection of helpers for multilingual websites.
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from collections import OrderedDict
from functools import reduce, partial
from django.conf import settings
from shared.utils.translation import lang_suffix
def i18n_fields(field_name, languages=None):
"""
Returns a list of i18n fields for a given fieldname.
>>> i18n_fields('title', ['en', 'de'])
['title_en', 'title_de']
"""
return [lang_suffix(l, field_name) for l in languages or
OrderedDict(settings.LANGUAGES).keys()]
def i18n_fields_list(field_names, languages=None):
"""
Returns i18n fields for a list of fields, i.e.
>>> search_fields = ['title', 'window_title', 'short_title']
>>> i18n_fields_list(search_fields, ['en', 'de'])
['title_en', 'title_en', 'windowtitle_en', 'windowtitle_en', 'shorttitle_en', 'shorttitle_en', ]
"""
f = partial(i18n_fields, languages=languages)
return reduce(lambda x, y: x + y, map(f, field_names))
def i18n_mainlang(field_name):
"""
Returns the field name with the language code for the
setting's main language appended.
"""
return lang_suffix(settings.LANGUAGE_CODE, field_name=field_name)
# TODO Not functional
# def i18n_ordering(*field_list):
# def dynamic_i18n_ordering(*args, **kwargs):
# lang = get_language()
# return [lang_suffix(lang, f) for f in field_list]
# return dynamic_i18n_ordering