Python - rectangles

#/usr/bin/env python

class Point(object):

    def __init__(self, x, y):
        self.x = x
        self.y = y


class Rect(object):

    def __init__(self, p1, p2):
        '''
        Store the top, bottom, left and right values for points
        p1 and p2 are the (corners) in either order
        '''
        self.left   = min(p1.x, p2.x)
        self.right  = max(p1.x, p2.x)
        self.bottom = min(p1.y, p2.y)
        self.top    = max(p1.y, p2.y)


def overlap(r1,r2):
    '''
    Overlapping rectangles overlap both horizontally & vertically
    '''

    hoverlaps = True
    voverlaps = True

    if (r1.left > r2.right) or (r1.right < r2.left):
        hoverlaps = False

    if (r1.top < r2.bottom) or (r1.bottom > r2.top):
        voverlaps = False

    return hoverlaps and voverlaps

# --- main ---

rect1 = Rect(Point(0, 0), Point(15, 15))
rect2 = Rect(Point(10, 10), Point(20, 20))

result = overlap(rect1, rect2)

print(result)

rect1 = Rect(Point(0, 0), Point(10, 10))
rect2 = Rect(Point(15, 15), Point(20, 20))

result = overlap(rect1, rect2)

print(result)

rect1 = Rect(Point(5, 0), Point(10, 15))
rect2 = Rect(Point(0, 5), Point(15, 10))

result = overlap(rect1, rect2)

print(result)

rect1 = Rect(Point(0, 0), Point(10, 10))
rect2 = Rect(Point(15, 0), Point(20, 10))

result = overlap(rect1, rect2)

print(result)