algorithms-practice/design_patterns/template_method/code.py at master · andrelbd1/algorithms-practice · GitHub

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from abc import ABCMeta, abstractmethod


class AbstractClass(metaclass=ABCMeta):
    def __init__(self):
        pass

    @abstractmethod
    def operation1(self):
        pass

    @abstractmethod
    def operation2(self):
        pass

    def template_method(self):
        print("Defining the Algorithm. Operation1 follows Operation2")
        self.operation2()
        self.operation1()


class ConcreteClass(AbstractClass):
    def operation1(self):
        print("My Concrete Operation 1")

    def operation2(self):
        print("Operation 2 remains same")


class Client:
    def main(self):
        self.concrete = ConcreteClass()
        self.concrete.template_method()


if __name__ == "__main__":
    client = Client()
    client.main()