from __future__ import unicode_literals from django.apps import apps def method_check_in(self, user=None): DocumentCheckout = apps.get_model( app_label='checkouts', model_name='DocumentCheckout' ) return DocumentCheckout.business_logic.check_in_document( document=self, user=user ) def method_get_check_out_info(self): DocumentCheckout = apps.get_model( app_label='checkouts', model_name='DocumentCheckout' ) return DocumentCheckout.objects.get_check_out_info(document=self) def method_get_check_out_state(self): DocumentCheckout = apps.get_model( app_label='checkouts', model_name='DocumentCheckout' ) return DocumentCheckout.objects.get_check_out_state(document=self) def method_is_checked_out(self): DocumentCheckout = apps.get_model( app_label='checkouts', model_name='DocumentCheckout' ) return DocumentCheckout.objects.is_checked_out(document=self)