code: def pages_view(view):
      
      def pages_view_decorator(request, *args, **kwargs):
          # if the current page is already there
          if(kwargs.get('current_page', False) or
                  kwargs.get('pages_navigation', False)):
              return view(request, *args, **kwargs)
  
          path = kwargs.pop('path', None)
          lang = kwargs.pop('lang', None)
          if path:
              from basic_cms.views import details
              response = details(request, path=path, lang=lang,
                  only_context=True, delegation=False)
              context = response
              extra_context_var = kwargs.pop('extra_context_var', None)
              if extra_context_var:
                  kwargs.update({extra_context_var: context})
              else:
                  kwargs.update(context)
          return view(request, *args, **kwargs)
      return pages_view_decorator
docs: Make sure the decorated view gets the essential pages
      variables.