test_unparse.py 文件源码

def check_roundtrip(self, code1, filename="internal"):
        ast1 = compile(code1, filename, "exec", ast.PyCF_ONLY_AST)
        unparse_buffer = cStringIO.StringIO()
        unparse.Unparser(ast1, unparse_buffer)
        code2 = unparse_buffer.getvalue()
        ast2 = compile(code2, filename, "exec", ast.PyCF_ONLY_AST)
        self.assertASTEqual(ast1, ast2)