transformer.py 文件源码

def com_list_constructor(self, nodelist):
        # listmaker: test ( list_for | (',' test)* [','] )
        values = []
        for i in range(1, len(nodelist)):
            if nodelist[i][0] == symbol.list_for:
                assert len(nodelist[i:]) == 1
                return self.com_list_comprehension(values[0],
                                                   nodelist[i])
            elif nodelist[i][0] == token.COMMA:
                continue
            values.append(self.com_node(nodelist[i]))
        return List(values, lineno=values[0].lineno)