code: def get_resource_inst(self, path, environ):
          
          _logger.info("get_resource_inst('%s')" % path)
          self._count_get_resource_inst += 1
          root = RootCollection(environ)
          return root.resolve("", path)
docs: Return _VirtualResource object for path.
  
          path is expected to be
              categoryType/category/name/artifact
          for example:
              'by_tag/cool/My doc 2/info.html'
  
          See DAVProvider.get_resource_inst()