How would you sort a django mptt tree?

Question

Imagine that I have an mptt tree of objects and their population like:

Animal, 60

• aardvark, 30
• bobcat, 20
• chipmunk, 10

Vegetable, 6

• apple, 1
• beet, 2
• cauliflower, 3

Mineral 0

How would you sort the above by population on each sublevel? I want to get to:

Animal, 60

• aardvark, 30
• bobcat, 20
• chipmunk, 10

Vegetable, 6

• cauliflower, 3
• beet, 2
• apple, 1

Mineral 0

I am building off of mptt in django.

Answer 1

Try to add it in the models.py Meta Class.

Or on a subsidiary QuerySet

Answer 2

Should an order_by simply work?

YourModel.tree.filter(your=stuff).order_by('order')