Adapter Pattern example

gistfile1.py

class IPaintable(Interface):
    def get_color():
        pass
    def paint(color):
        pass

class BicyclePainter(object):
    """Adapts a Bicycle to the IPaintable interface."""

    def __init__(self, context):
        self.context = context

    def paint(self, color):
        self.context.frame.color = color

    def get_color(self):
        return self.context.frame.color

class Bicycle(Vehicle):

    def __init__(self):
        self.frame = BicycleFrame()
        self.tires = [BicycleTire(), BicycleTire()]

bike = Bicycle()
#If we had adapter lookup functionality, we could do this:
#painter = IPaintable(bike)
#But we don't, so...
painter = BicyclePainter(bike)
painter.paint("RED")