def delete(self, lang=None):
r"""
Delete the translations of the `Context`\ 's `purview` in a language.
"""
lang = _get_translate_language(lang)
if lang != _get_default_language():
_get_translations(self.query, lang).delete()
def create(self, lang=None):
r"""
Create the translations of the `Context`\ 's `purview` in a language.
"""
lang = _get_translate_language(lang)
if lang != _get_default_language():
_translations = [
translations.models.Translation(
language=lang, text=text, **address
) for address, text in self._get_changed_fields()
]
translations.models.Translation.objects.bulk_create(_translations)
def update(self, lang=None):
r"""
Update the translations of the `Context`\ 's `purview` in a language.
"""
lang = _get_translate_language(lang)
if lang != _get_default_language():
query = models.Q()
_translations = []
for address, text in self._get_changed_fields():
query |= models.Q(**address)
_translations.append(
translations.models.Translation(
language=lang, text=text, **address
)
)
_get_translations(query, lang).delete()
translations.models.Translation.objects.bulk_create(_translations)
def read(self, lang=None):
r"""
Read the translations of the `Context`\ 's `purview` in a language.
"""
lang = _get_translate_language(lang)
if lang != _get_default_language():
_translations = _get_translations(self.query, lang)
for translation in _translations:
ct_id = translation.content_type.id
obj_id = translation.object_id
field = translation.field
text = translation.text
obj = self.mapping[ct_id][obj_id]
if field in type(obj)._get_translatable_fields_names():
setattr(obj, field, text)
else:
self.reset()
def test_invalid_custom(self):
with self.assertRaises(ValueError) as error:
_get_translate_language('xx')
self.assertEqual(error.exception.args[0],
'`xx` is not a supported language.')
def test_existing_accented_custom(self):
self.assertEqual(_get_translate_language('en-gb'), 'en-gb')
def test_unaccented_custom(self):
self.assertEqual(_get_translate_language('en'), 'en')
def test_existing_accented_active(self):
self.assertEqual(_get_translate_language(), 'en-gb')
def test_unaccented_active(self):
self.assertEqual(_get_translate_language(), 'en')
def translate(self, lang=None):
"""Translate the `TranslatableQuerySet` in a language."""
clone = self.all()
clone._trans_lang = _get_translate_language(lang)
return clone
