def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
new_fields = OrderedDict()
self.i18n_fields = []
for name, form_field in self.fields.items():
model_field = self.instance._meta.get_field(name)
if not isinstance(model_field, I18nField):
new_fields[name] = form_field
continue
values = OrderedDict((lang_code, '') for lang_code, language in settings.LANGUAGES)
if self.instance is not None and self.instance.pk:
values.update(getattr(self.instance, model_field.attname))
has_values = False
for language in values.keys():
sub_field_name = '%s__%s' % (name, language)
new_value = self.data.get(sub_field_name)
if new_value is not None:
has_values = True
values[language] = new_value
language_info = get_language_info(language)
field_title = format_lazy(_('{field_name} ({lang})'),
field_name=capfirst(model_field.verbose_name),
lang=language_info['name_translated'])
new_fields[sub_field_name] = CharField(label=field_title,
required=False,
initial=values[language].strip(),
max_length=model_field.i18n_max_length)
if has_values:
self.i18n_fields.append((model_field, values))
self.fields = new_fields
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