django-modeltranslation/modeltranslation/management/commands/loaddata.py
2013-10-12 15:14:10 +02:00

50 lines
2 KiB
Python

from optparse import make_option, OptionValueError
from django import VERSION
from django.core.management.commands.loaddata import Command as LoadDataCommand
# Because this command is used (instead of default loaddata), then settings have been imported
# and we can safely import MT modules
from modeltranslation import settings as mt_settings
from modeltranslation.utils import auto_populate
ALLOWED = (None, False, 'all', 'default', 'required')
ALLOWED_FOR_PRINT = ', '.join(str(i) for i in (0, ) + ALLOWED[1:]) # For pretty-printing
def check_mode(option, opt_str, value, parser):
if value == '0' or value.lower() == 'false':
value = False
if value not in ALLOWED:
raise OptionValueError("%s option can be only one of: %s" % (opt_str, ALLOWED_FOR_PRINT))
setattr(parser.values, option.dest, value)
class Command(LoadDataCommand):
leave_locale_alone = mt_settings.LOADDATA_RETAIN_LOCALE # Django 1.6
option_list = LoadDataCommand.option_list + (
make_option('--populate', action='callback', callback=check_mode, dest='populate',
type='string',
metavar='MODE', help='Using this option will cause fixtures to be loaded under '
'auto-population MODE. Allowed values are: %s' % ALLOWED_FOR_PRINT),
)
def __init__(self):
super(Command, self).__init__()
if mt_settings.LOADDATA_RETAIN_LOCALE and VERSION < (1, 6):
from django.utils import translation
self.locale = translation.get_language()
def handle(self, *fixture_labels, **options):
if self.can_import_settings and hasattr(self, 'locale'):
from django.utils import translation
translation.activate(self.locale)
mode = options.get('populate')
if mode is not None:
with auto_populate(mode):
return super(Command, self).handle(*fixture_labels, **options)
else:
return super(Command, self).handle(*fixture_labels, **options)