parameters: (node)
docstring: A function to return the results of a Node's rfile() method,
      if it exists, and the Node itself otherwise (if it's a Value
      Node, e.g.).
docstring_summary: A function to return the results of a Node's rfile() method,
      if it exists, and the Node itself otherwise (if it's a Value
      Node, e.g.).
docstring_tokens: A function to return the results of a Node s rfile () method if it exists and the Node itself otherwise ( if it s a Value Node e . g . ) .
function: def rfile(node):
      """
      A function to return the results of a Node's rfile() method,
      if it exists, and the Node itself otherwise (if it's a Value
      Node, e.g.).
      """
      try:
          rfile = node.rfile
      except AttributeError:
          return node
      else:
          return rfile()
function_tokens: def rfile ( node ) : try : rfile = node . rfile except AttributeError : return node else : return rfile ( )