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""" |
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Utils for translations |
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""" |
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from django.conf import settings |
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from django.conf.global_settings import LANGUAGES as ALL_LANGUAGES |
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from django.utils.translation import ugettext_lazy as _ |
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__all__ = ( |
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'normalize_language_code', |
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'is_supported_django_language', |
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'get_language_title', |
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'get_language_settings', |
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'get_active_language_choices', |
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'is_multilingual_project', |
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) |
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LANGUAGES_DICT = dict(settings.LANGUAGES) |
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ALL_LANGUAGES_DICT = dict(ALL_LANGUAGES) |
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# allow to override language names when PARLER_SHOW_EXCLUDED_LANGUAGE_TABS is True: |
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ALL_LANGUAGES_DICT.update(LANGUAGES_DICT) |
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def normalize_language_code(code): |
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""" |
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Undo the differences between language code notations |
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""" |
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if code is None: |
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return None |
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else: |
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return code.lower().replace('_', '-') |
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def is_supported_django_language(language_code): |
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""" |
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Return whether a language code is supported. |
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""" |
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language_code2 = language_code.split('-')[0] # e.g. if fr-ca is not supported fallback to fr |
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return language_code in LANGUAGES_DICT or language_code2 in LANGUAGES_DICT |
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def get_language_title(language_code): |
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""" |
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Return the verbose_name for a language code. |
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Fallback to language_code if language is not found in settings. |
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""" |
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from parler import appsettings |
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# Avoid weird lookup errors. |
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if not language_code: |
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raise KeyError("Missing language_code in get_language_title()") |
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if appsettings.PARLER_SHOW_EXCLUDED_LANGUAGE_TABS: |
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# this allows to edit languages that are not enabled in current project but are already |
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# in database |
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languages = ALL_LANGUAGES_DICT |
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else: |
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languages = LANGUAGES_DICT |
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try: |
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return _(languages[language_code]) |
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except KeyError: |
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language_code = language_code.split('-')[0] # e.g. if fr-ca is not supported fallback to fr |
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return _(languages.get(language_code, language_code)) |
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def get_language_settings(language_code, site_id=None): |
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""" |
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Return the language settings for the current site |
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""" |
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# This method mainly exists for ease-of-use. |
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# the body is part of the settings, to allow third party packages |
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# to have their own variation of the settings with this method functionality included. |
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from parler import appsettings |
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return appsettings.PARLER_LANGUAGES.get_language(language_code, site_id) |
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def get_active_language_choices(language_code=None): |
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""" |
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Find out which translations should be visible in the site. |
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It returns a tuple with either a single choice (the current language), |
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or a tuple with the current language + fallback language. |
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""" |
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from parler import appsettings |
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return appsettings.PARLER_LANGUAGES.get_active_choices(language_code) |
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def is_multilingual_project(site_id=None): |
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""" |
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Whether the current Django project is configured for multilingual support. |
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""" |
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from parler import appsettings |
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if site_id is None: |
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site_id = getattr(settings, 'SITE_ID', None) |
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return appsettings.PARLER_SHOW_EXCLUDED_LANGUAGE_TABS or site_id in appsettings.PARLER_LANGUAGES |
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edoburu /
django-parler
