text: from django.templatetags.static import static
  
  from ..settings import FILER_ADMIN_ICON_SIZES
  
  
  class IconsMixin:
      """
      Can be used on any model that has a _icon attribute. will return a dict
      containing urls for icons of different sizes with that name.
      """
      @property
      def icons(self):
          r = {}
          if getattr(self, '_icon', False):
              for size in FILER_ADMIN_ICON_SIZES:
                  try:
                      r[size] = static("filer/icons/%s_%sx%s.png" % (
                          self._icon, size, size))
                  except ValueError:
                      # Do not raise an exception while trying to call static()
                      # on non-existent icon file. This avoids the issue with
                      # rendering parts of the template as empty blocks that
                      # happens on an attempt to access object 'icons' attribute
                      # in template.
                      pass
          return r
  