def __new__(cls, name, bases, attrs):
formfield_callback = attrs.get('formfield_callback', None)
try:
parents = [b for b in bases if issubclass(b, TranslationModelForm)]
except NameError:
# We are defining TranslationModelForm itself.
parents = None
new_class = super(TranslationModelFormMetaclass,
cls).__new__(cls, name, bases, attrs)
if not parents:
return new_class
opts = new_class._meta
if opts.model:
if translation_pool.is_registered(opts.model):
info = translation_pool.get_info(opts.model)
translated_model = info.translated_model
new_class.child_form_class = modelform_factory(
translated_model,
exclude=[info.translation_of_field],
formfield_callback=formfield_callback)
new_class.declared_fields.update(
new_class.child_form_class.declared_fields)
new_class.base_fields.update(
new_class.child_form_class.base_fields)
return new_class
def filter_queryset_language(request, queryset):
language = getattr(request, 'LANGUAGE_CODE')
model = queryset.model
if translation_pool.is_registered(model):
info = translation_pool.get_info(model)
filter_expr = '%s__%s' % (info.translation_join_filter, info.language_field)
if translation_pool.is_registered_translation(model):
info = translation_pool.get_info(model)
filter_expr = '%s' % info.language_field
if filter_expr:
queryset = queryset.filter( \
**{filter_expr: language}).distinct()
return queryset
def filter_queryset_language(request, queryset):
language = getattr(request, 'LANGUAGE_CODE', None)
if not language:
return queryset
model = queryset.model
filter_expr = None
if translation_pool.is_registered(model):
info = translation_pool.get_info(model)
filter_expr = '%s__%s' % (info.translation_join_filter, info.language_field)
if translation_pool.is_registered_translation(model):
info = translation_pool.get_info(model)
filter_expr = '%s' % info.language_field
if filter_expr:
queryset = queryset.filter( \
**{filter_expr: language}).distinct()
return queryset
def __new__(cls, name, bases, attrs):
formfield_callback = attrs.get('formfield_callback', None)
try:
parents = [b for b in bases if issubclass(b, TranslationModelForm)]
except NameError:
# We are defining TranslationModelForm itself.
parents = None
new_class = super(TranslationModelFormMetaclass, cls).__new__(cls, name, bases,
attrs)
if not parents:
return new_class
opts = new_class._meta
if opts.model:
if translation_pool.is_registered(opts.model):
info = translation_pool.get_info(opts.model)
translated_model = info.translated_model
new_class.child_form_class = modelform_factory(translated_model,
exclude=[info.translation_of_field], formfield_callback=formfield_callback)
new_class.declared_fields.update(new_class.child_form_class.declared_fields)
new_class.base_fields.update(new_class.child_form_class.base_fields)
return new_class
def process_view(self, request, view_func, view_args, view_kwargs):
language = None
if "language_code" in view_kwargs:
# get language and set tralslation
language = view_kwargs.pop("language_code")
translation.activate(language)
request.LANGUAGE_CODE = translation.get_language()
if not language:
if not self.has_language_fallback_middlewares():
super(MultilingualGenericsMiddleware, self).process_request(request)
language = getattr(request, "LANGUAGE_CODE")
if "queryset" in view_kwargs:
filter_expr = None
model = view_kwargs["queryset"].model
if translation_pool.is_registered(model):
info = translation_pool.get_info(model)
filter_expr = "%s__%s" % (info.translation_join_filter, info.language_field)
if translation_pool.is_registered_translation(model):
info = translation_pool.get_info(model)
filter_expr = "%s" % info.language_field
if filter_expr:
view_kwargs["queryset"] = view_kwargs["queryset"].filter(**{filter_expr: language}).distinct()
