code: def path(self, include_root=False):
          
          path = '%s[%d]' % (self.tagname, self.index or 0)
          p = self.parent
          while p is not None:
              if p.parent or include_root:
                  path = '%s[%d]/%s' % (p.tagname, p.index or 0, path)
              p = p.parent
          return path
docs: Returns a canonical path to this element, relative to the root node.
  
          :param include_root: If ``True``, include the root node in the path. Defaults to ``False``.