python 不同模块的类继承

Question

我是 python 新手，我很难弄清楚如何从其他模块中的类继承。

模块:~/foo.py

import bar

class foo:
    def test(self)
        print("this is a test")

模块:~/bar.py

class bar(foo):
    def __init__(self):
        super().test()

一旦导入 bar，我就会收到此错误消息:

NameError: name 'foo' is not defined

Answer 1

If you want to refer to a name in another module then you must import it.

import foo

class bar(foo.foo):
   ...