1 #coding = utf8
 2 class Light(object):
 3     def on(self):
 4         print '---the light on---'
 5     def off(self):
 6         print '---the light off---'
 7
 8 class GarageDoor(object):
 9     def action_up(self,*args):
10         print '--- the garageDoor open ---'
11     def action_down(self,*args):
12         print '---  the garageDoor down ---'
13
14     def action_stop(self,*args):
15         print '--- the garageDoor stop  ---'
16
17     def action_lighton(self,*args):
18         print '--- the garageDoor lighton ---'
19
20     def action_lightoff(self,*args):
21         print '--- the garageDoor lightoff---'

 1 class Command(object):
 2     def callback(self,invoker,name,*args):
 3         method=getattr(invoker,name,None)
 4         #print method
 5         #print args
 6         if callable(method):
 7             method(*args)
 8             #print invoker
 9
10     def setTask(self,tasks):
11         pass
12
13     def execute(self):
14         pass
15
16 class NoCommand(object):
17     def setTask(self):
18         pass
19     def execute(self):
20         pass
21
22 # the type no constraint
23 class LightOnCommand(Command):
24     def __init__(self,light):
25         self.light=light
26
27     def execute(self):
28         self.light.on()
29
30
31
32
33 class GarageDoorCommand(Command):
34
35
36     def __init__(self,garageDoor,tasks):
37         self.garageDoor = garageDoor
38         self.tasks=tasks
39
40     def setTasks(self,tasklist):
41         self.tasks=tasklist
42
43
44     def execute(self):
45         for task in self.tasks:
46             self.callback(garageDoor,task[0],task[1])   

 1 class SimpleRemoteControl(object):
 2     def __init__(self,command):
 3         self.command=command
 4     def buttonWasPressed(self):
 5         self.command.execute()
 6
 7
 8 class RemoteControl(object):
 9      commands_open=[None for i in range(8)]
10      commands_off=[None for i in range(8)]
11
12      def __init__(self):
13        pass