def rewrite_lookup_key(model, lookup_key):
from linguo.models import MultilingualModel # to avoid circular import
if issubclass(model, MultilingualModel):
pieces = lookup_key.split('__')
# If we are doing a lookup on a translatable field, we want to rewrite it to the actual field name
# For example, we want to rewrite "name__startswith" to "name_fr__startswith"
if pieces[0] in model._meta.translatable_fields:
lookup_key = get_real_field_name(pieces[0], get_current_language())
remaining_lookup = '__'.join(pieces[1:])
if remaining_lookup:
lookup_key = '%s__%s' % (lookup_key, remaining_lookup)
elif pieces[0] in map(lambda field: '%s_%s' % (field, settings.LANGUAGES[0][0]), model._meta.translatable_fields):
# If the lookup field explicitly refers to the primary langauge (eg. "name_en"),
# we want to rewrite that to point to the actual field name.
lookup_key = pieces[0][:-3] # Strip out the language suffix
remaining_lookup = '__'.join(pieces[1:])
if remaining_lookup:
lookup_key = '%s__%s' % (lookup_key, remaining_lookup)
pieces = lookup_key.split('__')
if len(pieces) > 1:
# Check if we are doing a lookup to a related trans model
fields_to_trans_models = get_fields_to_translatable_models(model)
for field_to_trans, transmodel in fields_to_trans_models:
if pieces[0] == field_to_trans:
sub_lookup = '__'.join(pieces[1:])
if sub_lookup:
sub_lookup = rewrite_lookup_key(transmodel, sub_lookup)
lookup_key = '%s__%s' % (pieces[0], sub_lookup)
break
return lookup_key
def __init__(self, *args, **kwargs):
self._force_language = None
# Rewrite any keyword arguments for translatable fields
language = get_current_language()
for field in self._meta.translatable_fields:
if field in kwargs.keys():
attrname = get_real_field_name(field, language)
if attrname != field:
kwargs[attrname] = kwargs[field]
del kwargs[field]
# We have to force the primary language before initializing or else
# our "proxy" property will prevent the primary language values from being returned.
self._force_language = get_normalized_language(settings.LANGUAGES[0][0])
super(MultilingualModel, self).__init__(*args, **kwargs)
self._force_language = None
def __init__(self, *args, **kwargs):
self._force_language = None
# Rewrite any keyword arguments for translatable fields
language = get_current_language()
for field in self._meta.translatable_fields:
if field in kwargs.keys():
attrname = get_real_field_name(field, language)
if attrname != field:
kwargs[attrname] = kwargs[field]
del kwargs[field]
# We have to force the primary language before initializing or else
# our "proxy" property will prevent the primary language values from being returned.
self._force_language = get_normalized_language(
settings.LANGUAGES[0][0])
super(MultilingualModel, self).__init__(*args, **kwargs)
self._force_language = None
def setter(self_reference, value):
lang = self_reference._force_language or get_current_language()
attrname = '%s_%s' % (field, lang)
setattr(self_reference, attrname, value)
def getter(self_reference):
lang = self_reference._force_language or get_current_language()
attrname = '%s_%s' % (field, lang)
return getattr(self_reference, attrname)
def setter(self_reference, value):
lang = self_reference._force_language or get_current_language()
attrname = '%s_%s' % (field, lang)
setattr(self_reference, attrname, value)
def getter(self_reference):
lang = self_reference._force_language or get_current_language()
attrname = '%s_%s' % (field, lang)
return getattr(self_reference, attrname)
