也许您会在此食谱中找到一些启发：

Maybe you find some inspiration in this recipe:

• http://code.activestate.com/ recipes / 533146-ast-pretty-printer /

• http://code.activestate.com/recipes/533146-ast-pretty-printer/

输出人类的函数可读版本的Python AST。

A function that outputs a human-readable version of a Python AST.

或使用编译器与检查（当然，仍使用源代码）：

Or use compiler combined with inspect (which, of course, still uses the source):

>>> import compiler, inspect
>>> import re # for testing 
>>> compiler.parse(inspect.getsource(re))
Module('Support for regular expressions (RE). \n\nThis module provides ...