docs: def render_view(view_name, **args):
      '''Process view and return root Node'''
      try:
          root_xml = get_view_root(view_name)
          return render(root_xml, **args)
      except CoreError as error:
          error.add_view_info(ViewInfo(view_name, None))
          raise
      except:
          info = exc_info()
          error = ViewError('Unknown error occured during rendering', ViewInfo(view_name, None))
          error.add_cause(info[1])
          raise error from info[1]