The property Function : property « Class « Python Tutorial

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Python Tutorial » Class » property 
11. 3. 1. The property Function
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 = 150100
print r.width
11. 3. property
11. 3. 1. The property Function
11. 3. 2. Objects in the class namespace can be accessed directly using the module name and dot . syntax.
11. 3. 3. An example of using a class data attribute (foo):
11. 3. 4. Demonstrates get and set methods and properties
11. 3. 5. Python properties (or attributes) are dynamic.
11. 3. 6. Define and access Properties
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