CODEWITHSUNDEEP
phppythonpython-3.x
Mátyás Horváth
Mátyás Horváth

Reputation: 99

Is 'interface' implemented in python just like in PHP

Is there any way to implement interface functionality in Python 3.x just like in PHP? I would like to declare a method in parent class with no body but I would like to force to override this method in inherited classes.

(In PHP in case you don't override methods declared in interface then you get an error message)

In PHP way (below you get error message because you don't implement getModel() method):

interface Car { 
  public function setModel($name);
  public function getModel();
}

class miniCar implements Car {
  private $model; 

  public function setModel($name)
  { 
    $this -> model = $name; 
  }
}

Upvotes: 1

Views: 177

Answers (1)

rassar
rassar

Reputation: 5660

Look into the abc module:

from abc import ABC, abstractmethod

class Car(ABC):
    @abstractmethod
    def setModel(self, name): 
        ...

    @abstractmethod
    def getModel(self):
        ...

Then, if you try to instantiate a class with no methods:

class MiniCar(Car):
    pass
x = MiniCar()

You get

TypeError: Can't instantiate abstract class MiniCar with abstract methods getModel, setModel

Upvotes: 2

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