[Mixins] - Order of the Mixins - Is it a bug?

[Vinnicyus Gracindo]

Hi. I beat my brains out trying to find out why my cbv was not working with LoginRequiredMixin.

I found the order of the mixins in the inheritance:

It works: class UserListView(LoginRequiredMixin, ListView) 

Doesn't work:  class UserListView(ListView, LoginRequiredMixin) 

Is that how it was designed? or is it a bug?

Thanks.

[Markus Holtermann]

Hi Vinnicyus,

this is by design.

There's an interesting talk by Ana Balica on Mixins in Django: https://www.youtube.com/watch?v=rMn2wC0PuXw

/Markus

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[jackotonye]

By design mixins are applied in the order they are inherited.

`class A: pass`
`class B: pass`

```
class C(A, B):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs) # This will call A.__init__() then B.__init__()

```

[Vinnicyus Gracindo]

I understood now. Thank you so much. 

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