transformer.py 文件源码

def test(self, nodelist):
        # or_test ['if' or_test 'else' test] | lambdef
        if len(nodelist) == 1 and nodelist[0][0] == symbol.lambdef:
            return self.lambdef(nodelist[0])
        then = self.com_node(nodelist[0])
        if len(nodelist) > 1:
            assert len(nodelist) == 5
            assert nodelist[1][1] == 'if'
            assert nodelist[3][1] == 'else'
            test = self.com_node(nodelist[2])
            else_ = self.com_node(nodelist[4])
            return IfExp(test, then, else_, lineno=nodelist[1][2])
        return then