def DescribeDBSpaceStatus(self, request):
        """获取指定时间段内的实例空间使用概览,包括磁盘增长量(MB)、磁盘剩余(MB)、磁盘总量(MB)及预计可用天数。

        :param request: Request instance for DescribeDBSpaceStatus.
        :type request: :class:`tencentcloud.dbbrain.v20191016.models.DescribeDBSpaceStatusRequest`
        :rtype: :class:`tencentcloud.dbbrain.v20191016.models.DescribeDBSpaceStatusResponse`

        """
        try:
            params = request._serialize()
            body = self.call("DescribeDBSpaceStatus", params)
            response = json.loads(body)
            if "Error" not in response["Response"]:
                model = models.DescribeDBSpaceStatusResponse()
                model._deserialize(response["Response"])
                return model
            else:
                code = response["Response"]["Error"]["Code"]
                message = response["Response"]["Error"]["Message"]
                reqid = response["Response"]["RequestId"]
                raise TencentCloudSDKException(code, message, reqid)
        except Exception as e:
            if isinstance(e, TencentCloudSDKException):
                raise
            else:
                raise TencentCloudSDKException(e.message, e.message)
    def DescribeDBSpaceStatus(self, request):
        """This API is used to query the overview of instance space usage during a specified time period, including disk usage growth (MB), available disk space (MB), total disk space (MB), and estimated number of available days.

        :param request: Request instance for DescribeDBSpaceStatus.
        :type request: :class:`tencentcloud.dbbrain.v20191016.models.DescribeDBSpaceStatusRequest`
        :rtype: :class:`tencentcloud.dbbrain.v20191016.models.DescribeDBSpaceStatusResponse`

        """
        try:
            params = request._serialize()
            body = self.call("DescribeDBSpaceStatus", params)
            response = json.loads(body)
            if "Error" not in response["Response"]:
                model = models.DescribeDBSpaceStatusResponse()
                model._deserialize(response["Response"])
                return model
            else:
                code = response["Response"]["Error"]["Code"]
                message = response["Response"]["Error"]["Message"]
                reqid = response["Response"]["RequestId"]
                raise TencentCloudSDKException(code, message, reqid)
        except Exception as e:
            if isinstance(e, TencentCloudSDKException):
                raise
            else:
                raise TencentCloudSDKException(e.message, e.message)