[Tutor] super() with Multiple Inheritance

[Alan Gauld]

"James Thornton" <james at jamesthornton.com> wrote

> Why does user.params() not return all the params up the inheritance
> chain? -- It's not including the params defined in Person() --  
> notice
> Vertex() does not have a params() method.

> class Element(object):
>    def params(self):
>        return dict(uuid=self.uuid, key=self.key)
>
> class Vertex(Element):
>
> class Person(Vertex):
>    def params(self):
>        params = dict(name=self.name,uri=self.uri,email=self.email)
>        params.update(self.s.params())
>        return params
>
> class User(Person):
>    def params(self):
>        params = dict(first_name=self.first_name,
>                      locale=self.locale)
>        print self.s.params()
>        params.update(self.s.params())
>        return params

Where does User.params call Person.params?
Or for that matter Person.params call its super class?
It doesn't happen automatically(thank goodness) you
have to do it explicitly.