code: def _get_resource_access_state(self, request):
          
          feincms_page = self._get_page_from_path(request.path_info.lstrip('/'))
          if not feincms_page:
              return None
  
          # Chase inherited values up the tree of inheritance.
          INHERIT = AccessState.STATE_INHERIT
          while feincms_page.access_state == INHERIT and feincms_page.parent:
              feincms_page = feincms_page.parent
  
          # Resources with STATE_ALL_ALLOWED or STATE_INHERIT and no parent should never be
          # access-restricted. This code is here rather than in is_resource_protected to
          # emphasise its importance and help avoid accidentally overriding it.
          never_restricted = (INHERIT, AccessState.STATE_ALL_ALLOWED)
          if feincms_page.access_state in never_restricted:
              return None
  
          # Return the found value.
          return feincms_page.access_state
docs: Returns the FeinCMS resource's access_state, following any INHERITed values.
  
          Will return None if the resource has an access state that should never be
          protected. It should not be possible to protect a resource with an access_state
          of STATE_ALL_ALLOWED, or an access_state of STATE_INHERIT and no parent.
  
          Will also return None if the accessed URL doesn't contain a Page.