from django.utils.translation import ugettext as __ class ConstructBodyMixin: def construct_login_confirm_applied_body(self): apply_login_ip = self.meta.get('apply_login_ip') apply_login_city = self.meta.get('apply_login_city') apply_login_datetime = self.meta.get('apply_login_datetime') applied_body = '''{}: {}, {}: {}, {}: {} '''.format( __("Applied login IP"), apply_login_ip, __("Applied login city"), apply_login_city, __("Applied login datetime"), apply_login_datetime, ) return applied_body