from django.contrib.postgres.search import SearchVector from django.db.models.signals import post_save from django.dispatch import receiver from django.utils import translation from cookbook.models import Recipe from cookbook.managers import DICTIONARY @receiver(post_save, sender=Recipe) def update_recipe_search_vector(sender, instance=None, created=False, **kwargs): if not instance: return # needed to ensure search vector update doesn't trigger recursion if hasattr(instance, '_dirty'): return language = DICTIONARY.get(translation.get_language(), 'simple') instance.search_vector = ( SearchVector('name__unaccent', weight='A', config=language) + SearchVector('description__unaccent', weight='C', config=language) ) try: instance._dirty = True instance.save() finally: del instance._dirty