old_contents: # -*- coding: utf8 -*-
  
  from __future__ import unicode_literals
  from __future__ import absolute_import
  
  from django import template
  from django.db.models.loading import get_model
  
  from ..models import CustomTag
  
  register = template.Library()
  
  
  @register.assignment_tag
  def get_obj_list(app, model, obj):
      '''
      Return list of all objects of type app.model tagged with a tag pointing to
      obj (an object in the db, e.g. Person, Family, ...).
      '''
  
      try:
          return get_model(app, model).objects.filter(
                  tags__slug='%s.%s-%d' % (
                      obj._meta.app_label, obj._meta.model_name, obj.id))
      except:
          return []
  
  
  @register.assignment_tag
  def get_tag_list(app, model, tag):
      '''
      Return list of all objects of type app.model tagged with the tag "tag".
      '''
  
      try:
          return get_model(app, model).objects.filter(tags__slug='%s' % tag)
      except:
          return []
  
  
  @register.filter
  def as_tag_text(slug):
      tag = CustomTag.objects.get(slug=slug)
      return tag.as_tag_text()
  
new_contents: # -*- coding: utf8 -*-
  
  from __future__ import unicode_literals
  from __future__ import absolute_import
  
  from django import template
  from django.core.exceptions import ObjectDoesNotExist
  from django.db.models.loading import get_model
  from django.http import Http404
  
  from ..models import CustomTag
  
  register = template.Library()
  
  
  @register.assignment_tag
  def get_obj_list(app, model, obj):
      '''
      Return list of all objects of type app.model tagged with a tag pointing to
      obj (an object in the db, e.g. Person, Family, ...).
      '''
  
      try:
          return get_model(app, model).objects.filter(
                  tags__slug='%s.%s-%d' % (
                      obj._meta.app_label, obj._meta.model_name, obj.id))
      except:
          return []
  
  
  @register.assignment_tag
  def get_tag_list(app, model, tag):
      '''
      Return list of all objects of type app.model tagged with the tag "tag".
      '''
  
      try:
          return get_model(app, model).objects.filter(tags__slug='%s' % tag)
      except:
          return []
  
  
  @register.filter
  def as_tag_text(slug):
      try:
          tag = CustomTag.objects.get(slug=slug)
          return tag.as_tag_text()
      except ObjectDoesNotExist:
          raise Http404
  
  
subject: Fix server error in tag search for non-existing tag.