Open Source Your Knowledge, Become a Contributor
Technology knowledge has to be shared and made accessible for free. Join the movement.
Multiple Inheritance with two non overlapping parents
Multiple Inheritance is easy if we inherit from two parent class, each without any overlapping methods
Multiple Inheritance with overlapping methods
If there are overlapping methods, the method of first parent class will be called. In the below example, since we added the class
Father as the first argument in
class Son(Father, Mother), the method in class
Father will be called. If it had been
class Son(Mother, Father) then method in class
Mother will be called.
Multiple Inheritance with Diamond Structure
To solve this python computes
mro, method resolution order for a class. This can be found by
__mro__. This gives a list of parent classes linearized. So python checks for next in line based on the
super follows the
mro as well. It does not call the parent of a class. It calls next in line based mro.
The algorithm used for computing the mro is C3 Linearization Algorithm. More details on the algorithm in mro