apps/catalogue/tasks.py

   1 # -*- coding: utf-8 -*-
   2 from celery.task import task
   3 from django.utils import translation
   4
   5
   6 @task(ignore_result=True)
   7 def _refresh_by_pk(cls, pk, language=None):
   8     prev_language = translation.get_language()
   9     if language:
  10         translation.activate(language)
  11     try:
  12         cls._default_manager.get(pk=pk).refresh()
  13     except cls.DoesNotExist:
  14         pass
  15     finally:
  16         translation.activate(prev_language)
  17
  18
  19 def refresh_instance(instance):
  20     _refresh_by_pk.delay(type(instance), instance.pk, translation.get_language())
  21
  22
  23 @task(ignore_result=True)
  24 def book_content_updated(book):
  25     book.refresh_dc_cache()