I'm trying to create a point class which defines a property called "coordinate". However, it's not behaving like I'd expect and I can't figure out why.

class Point:def __init__(self, coord=None):self.x = coord[0]self.y = coord[1]@propertydef coordinate(self):return (self.x, self.y)@coordinate.setterdef coordinate(self, value):self.x = value[0]self.y = value[1]p = Point((0,0))
p.coordinate = (1,2)>>> p.x
0
>>> p.y
0
>>> p.coordinate
(1, 2)

It seems that p.x and p.y are not getting set for some reason, even though the setter "should" set those values. Anybody know why this is?

The property method (and by extension, the @property decorator) requires a new-style class i.e. a class that subclasses object.

For instance,

class Point:

should be

class Point(object):

Also, the setter attribute (along with the others) was added in Python 2.6.