mirror of
https://github.com/Hopiu/django-modeltranslation.git
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58 lines
2.1 KiB
Python
58 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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from django.db import models
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from django.conf import settings
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from django.core.exceptions import ValidationError, ImproperlyConfigured
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from django.contrib.contenttypes.models import ContentType
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from django.utils.translation import get_language as _get_language
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from django.utils.functional import lazy
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def get_available_languages():
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"""Returns a list of the language codes in settings.LANGUAGES"""
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return [l[0] for l in settings.LANGUAGES]
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def get_language():
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"""
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Return an active language code that is guaranteed to be in
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settings.LANGUAGES (Django does not seem to guarantee this for us).
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"""
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lang = _get_language()
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available_languages = get_available_languages()
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if lang not in available_languages and '-' in lang:
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lang = lang.split('-')[0]
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if lang in available_languages:
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return lang
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return available_languages[0]
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def get_default_language():
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"""
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Returns the language to use as the default language. This is either
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the value of settings.DEFAULT_LANGUAGE (if it's in the list of
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settings.LANGUAGES) or the first item in settings.LANGUAGES.
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"""
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available_languages = get_available_languages()
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default_language = getattr(settings,
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'MODELTRANSLATION_DEFAULT_LANGUAGE', None)
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if default_language and default_language not in available_languages:
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raise ImproperlyConfigured('MODELTRANSLATION_DEFAULT_LANGUAGE not '
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'in LANGUAGES setting.')
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if not default_language:
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default_language = available_languages[0]
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return default_language
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def get_translation_fields(field):
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"""Returns a list of localized fieldnames for a given field."""
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return [build_localized_fieldname(field, l) for l in\
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get_available_languages()]
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def build_localized_fieldname(field_name, lang):
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return '%s_%s' % (field_name, lang.replace('-', '_'))
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def _build_localized_verbose_name(verbose_name, lang):
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return u'%s [%s]' % (verbose_name, lang)
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build_localized_verbose_name = lazy(_build_localized_verbose_name, unicode)
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