The property Function : property « Class « Python Tutorial

1. Python Tutorial
2. Class
3. property

class Rectangle(object):
    def __init__(self):
        self.width = 0
        self.height = 0
    def setSize(self, size):
        self.width, self.height = size
    def getSize(self):
        return self.width, self.height
    size = property(getSize, setSize)

r = Rectangle()
r.width = 10
r.height = 5
print r.size
r.size = 150, 100
print r.width