apps/catalogue/tasks.py

   1 from celery.task import task
   2 from django.utils import translation
   3 from django.conf import settings
   4
   5
   6 @task(ignore_result=True)
   7 def _refresh_by_pk(cls, pk, language=None):
   8     prev_language = translation.get_language()
   9     language and translation.activate(language)
  10     try:
  11         cls._default_manager.get(pk=pk).refresh()
  12     finally:
  13         translation.activate(prev_language)
  14
  15 def refresh_instance(instance):
  16     _refresh_by_pk.delay(type(instance), instance.pk, translation.get_language())
  17
  18
  19 @task
  20 def _publishable_error(book, language=None):
  21     prev_language = translation.get_language()
  22     language and translation.activate(language)
  23     try:
  24         return book.assert_publishable()
  25     except AssertionError, e:
  26         return e
  27     else:
  28        return None
  29     finally:
  30         translation.activate(prev_language)
  31
  32 def publishable_error(book):
  33     return _publishable_error.delay(book,
  34         translation.get_language()).wait()
  35
  36
  37 @task(ignore_result=True)
  38 def book_content_updated(book):
  39     book.refresh_dc_cache()