"""
playing with polymorphism
by Kirby Urner
Portland, Oregon
April, 2010
"""
import re
from random import choice
class Animal(object):
def __init__(self, name):
self.name = name
self.stomach = []
def eat(self, food):
self.stomach.append(food)
def poop(self):
if len(self.stomach) > 0:
return self.stomach.pop(0) # queue
def noise(self, howmany):
pass
def __repr__(self):
return "A %s named %s in location %s" %
(self.__class__.__name__, self.name, id(self))
class Mammal(Animal):
def __init__(self, name):
self.blood = "warm"
super(Mammal, self).__init__(name)
class Reptile(Animal):
def __init__(self, name):
self.blood = "ambient"
super(Reptile, self).__init__(name)
class Monkey(Mammal):
def noise(self, howmuch):
noises= ["Hoot","Screech","Jabber"]
return "! ".join([choice(noises) for i in range(howmuch)])+"! "
class Dog(Mammal):
def noise(self, numbarks):
return numbarks * "Woof! "
class Snake(Reptile):
def noise(self, howmany):
return "Hissss.. " * howmany
def test1():
animal1 = Dog("Spot")
animal2 = Monkey("Red Devil")
animal3 = Snake("Barry")
print animal1, "goes: \n", animal1.noise(3)
print animal2, "goes: \n", animal2.noise(4)
print animal2, "goes: \n", animal2.noise(1)
print animal1, "blood ", animal1.blood
print animal2, "blood ", animal2.blood
print animal3, "blood ", animal3.blood
if __name__== "__main__":
test1()
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