Class Abstract dan Decorator pemrograman python

from abc import ABC, abstractmethod

class Button(ABC):

    def __init__(self, set_link):

        self.link = set_link

    @abstractmethod

    def click(self):

        pass

    @property

    @abstractmethod

    def link(self):

        pass

class PushButton(Button):

    def click(self):

        print("Go To: {}".format(self.link))

    @Button.link.setter

    def link(self, input):

        self.__link = input

    @link.getter

    def link(self):

        return self.__link

tombol1 = PushButton("datanetid.blogspot.com")

tombol1.click()

Class Abstract pemrograman python

# membuat class abstract

# abc = abstract base class

from abc import ABC, abstractmethod

class Button(ABC):

    @abstractmethod

    def click(self):

        pass

class PushButton(Button):

    def click(self):

        print("push button click")

tombol2 = PushButton()

tombol2.click()

Magic method pemrograman python

class Mangga:

    # magic method

    def __init__(self, nama, jumlah):

        self.nama = nama

        self.jumlah = jumlah

    def __repr__(self):

        return "Debug - Mangga: {} dengan jumlah: {}".format(self.nama, self.jumlah)

    # digunakan saat program telah selesai

    def __str__(self):

        return "Debug Mangga: {} dengan jumlah: {}".format(self.nama, self.jumlah)

    def __add__(self, objek):

        return self.jumlah + objek.jumlah

    @property

    def __dict__(self):

        return "objek ini mempunya nama dan jumlah"

belanja1 = Mangga("manggis", 100)

belanja2 = Mangga("jeruk", 50)

print(repr(belanja1))

print(belanja2)

print(belanja1 + belanja2)

print(belanja1.__dict__)

Diamond Problem pemrograman python

class A:

    def show(self):

        print("ini adalah show A")

class B(A):

    def show(self):

        print("ini adalah show B")

class C(A):

    def show(self):

        print("ini adalah show C")

class D(B,C):

    pass

objek = D()

objek.show()

Method Resolution Order pemrograman python

class A:

    def show(self):

        print("ini adalah show A")

class B:

    def show(self):

        print("ini adalah show B")

class C(A, B):

    pass

objek = C()

objek.show()

help(objek)

Multiple Inheritance pemrograman python

class Team():

    def setTeam(self, team):

        self.team = team

    def showTeam(self):

        print(self.team)

class tipe_Hero():

    def setTipe(self, tipe):

        self.tipe = tipe

    def showTipe(self):

        print(self.tipe)

class Hero(Team, tipe_Hero):

    def __init__(self, name, health):

        self.name = name

        self.health = health

archer = Hero("archer", 100)

archer.setTeam("merah")

archer.setTipe("panah")

archer.showTeam()

archer.showTipe()

Override Method pemrograman python

class Hero:

    def __init__(self, name, health):

        self.name = name

        self.health = health

    def showInfo(self):

        print("{} health {}".format(self.name, self.health))

class Hero_intelligent(Hero):

    def __init__(self, name):

        super().__init__(name, 100)

    # override method

    def showInfo(self):

        print("{} \n\tTipe: intelligent, \n\thealth: {}".format(self.name, self.health))  

   

class Hero_strength(Hero):

    def __init__(self, name):

        super().__init__(name, 97)

lina = Hero_intelligent("lina")

axe = Hero_strength("axe")

lina.showInfo()

axe.showInfo()