类调用类参数

import math


class Point(object):
    def __init__(self, x=0, y=0):
        try:
            int(x) + 1
        except TypeError:
            self.x = 0
        else:
            self.x = x

        try:
            int(y) + 1
        except TypeError:
            self.y = 0
        else:
            self.y = y


#
# test = Point(-399,"-666")
# print test.x

class Retangle():
    point1 = Point()
    point2 = Point()
    point3 = Point()
    point4 = Point()
    x_spce1 = abs(point1.x - point2.x)
    y_spce1 = abs(point1.y - point2.y)
    z_spce1 = (x_spce1 * x_spce1) + (y_spce1 * y_spce1)

    x_spce2 = abs(point1.x - point3.x)
    y_spce2 = abs(point1.y - point3.y)
    z_spce2 = (x_spce2 * x_spce2) + (y_spce2 * y_spce2)

    x_spce3 = abs(point1.x - point4.x)
    y_spce3 = abs(point1.y - point4.y)
    z_spce3 = (x_spce3 * x_spce3) + (y_spce3 * y_spce3)

    def isretanle(self):
        if max(self.z_spce1, self.z_spce2, self.z_spce3) == self.z_spce1:
            if self.z_spce1 == self.z_spce2 + self.z_spce3:
                return True
            else:
                return False
        elif max(self.z_spce1, self.z_spce2, self.z_spce3) == self.z_spce2:
            if self.z_spce2 == self.z_spce1 + self.z_spce3:
                return True
            else:
                return False
        elif max(self.z_spce1, self.z_spce2, self.z_spce3) == self.z_spce3:
            if self.z_spce3 == self.z_spce1 + self.z_spce2:
                return True
            else:
                return False

    def getarea(self):
        if self.isretanle():
            if max(self.z_spce1, self.z_spce2, self.z_spce3) == self.z_spce1:
                return float((math.sqrt(self.z_spce2)) * (math.sqrt(self.z_spce3)))
            elif max(self.z_spce1, self.z_spce2, self.z_spce3) == self.z_spce2:
                return float((math.sqrt(self.z_spce1)) * (math.sqrt(self.z_spce3)))
            elif max(self.z_spce1, self.z_spce2, self.z_spce3) == self.z_spce3:
                return float((math.sqrt(self.z_spce1)) * (math.sqrt(self.z_spce2)))


test = Retangle()
test.point1=Point(5,5)
test.point2=Point(10,5)
test.point3=Point(5,-5)
test.point4=Point(10,-5)

print test.getarea