def read_double()

in dubbo/codec/decoder.py [0:0]

• 17 lines of code
• 7 McCabe index (conditional complexity)

    def read_double(self):
        """
        读取一个浮点类型
        :return:
        """
        value = self.read_byte()
        if value == 0x5b:
            result = 0.0
        elif value == 0x5c:
            result = 1.0
        elif value == 0x5d:
            result = float(unpack('!b', self.read_bytes(1))[0])
        elif value == 0x5e:
            result = float(unpack('!h', self.read_bytes(2))[0])
        elif value == 0x5f:
            result = float(unpack('!i', self.read_bytes(4))[0]) * 0.001
        elif value == ord('D'):
            result = float(unpack('!d', self.read_bytes(8))[0])
        else:
            raise HessianTypeError('{0} is not a float'.format(value))
        return result