Editing Factory method pattern (section)

==== [[Python (programming language)|Python]] ====
This Python example employs the same as did the previous Java example.

<syntaxhighlight lang="python3">
from abc import ABC, abstractmethod


class MazeGame(ABC):
    def __init__(self) -> None:
        self.rooms = []
        self._prepare_rooms()

    def _prepare_rooms(self) -> None:
        room1 = self.make_room()
        room2 = self.make_room()

        room1.connect(room2)
        self.rooms.append(room1)
        self.rooms.append(room2)

    def play(self) -> None:
        print(f"Playing using {self.rooms[0]}")

    @abstractmethod
    def make_room(self):
        raise NotImplementedError("You should implement this!")


class MagicMazeGame(MazeGame):
    def make_room(self) -> "MagicRoom":
        return MagicRoom()


class OrdinaryMazeGame(MazeGame):
    def make_room(self) -> "OrdinaryRoom":
        return OrdinaryRoom()


class Room(ABC):
    def __init__(self) -> None:
        self.connected_rooms = []

    def connect(self, room: "Room") -> None:
        self.connected_rooms.append(room)


class MagicRoom(Room):
    def __str__(self) -> str:
        return "Magic room"


class OrdinaryRoom(Room):
    def __str__(self) -> str:
        return "Ordinary room"


ordinaryGame = OrdinaryMazeGame()
ordinaryGame.play()

magicGame = MagicMazeGame()
magicGame.play()
</syntaxhighlight>