@register.filter
-def get_descendants(roots):
+def get_navigation(node):
+ roots = Navigation.objects.for_node(node)
qs = None
for root in roots:
root_qs = root.get_descendants(include_self=True).complex_filter({'%s__lte' % root._mptt_meta.level_attr: root.get_level() + root.depth}).exclude(depth__isnull=True)