PythonPatterns/abstractFactory/abstractFactory.py at master · brunodmartins/PythonPatterns · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
import abc
__author__ = 'Bruno'


class GuiFactory(object):
    __metaclass__ = abc.ABCMeta

    @abc.abstractmethod
    def create_button(self):
        """Create one button"""
        raise NotImplementedError

    @classmethod
    def create_factory(cls, name):
        if name == 'Gnome':
            return GnomeFactory();
        else:
            return KDEFactory();


class GnomeFactory(GuiFactory):

    def create_button(self):
        return GnomeButton();


class KDEFactory(GuiFactory):

    def create_button(self):
        return KDEButton();


class Button(object):
    __metaclass__ = abc.ABCMeta

    @abc.abstractmethod
    def paint(self):
        """Paint something"""
        raise NotImplementedError


class GnomeButton(Button):

    def paint(self):
        print('GnomeButton');


class KDEButton(Button):

    def paint(self):
        print('KDEButton');