Update views.py

Author: microphobia

advanced_filters/views.py

@@ -61,6 +61,15 @@ def get(self, request, model=None, field_name=None):
                                     models.TimeField)):
                 logger.debug('No choices calculated for field %s of type %s',
                              field, type(field))
+            if isinstance(field, models.ForeignKey):
+                related_model = field.related_model
+                related_objects = related_model.objects.all()
+                max_choices = getattr(settings, 'ADVANCED_FILTERS_MAX_CHOICES', 254)
+        
+                if related_objects.count() <= max_choices:
+                    choices = [(obj.pk, str(obj)) for obj in related_objects]
+                else:
+                    choices = []                                        
             else:
                 # the order_by() avoids ambiguity with values() and distinct()
                 choices = model_obj.objects.order_by(field.name).values_list(