from rest_framework import serializers class MemoryInfoSerializer(serializers.Serializer): total = serializers.IntegerField() available = serializers.IntegerField() percent = serializers.FloatField() used = serializers.IntegerField() free = serializers.IntegerField() active = serializers.IntegerField() inactive = serializers.IntegerField() buffers = serializers.IntegerField() cached = serializers.IntegerField() shared = serializers.IntegerField() class CpuInfoSerializer(serializers.Serializer): info = serializers.FloatField() class HardInfoSerializer(serializers.Serializer): total = serializers.IntegerField() used = serializers.IntegerField() free = serializers.IntegerField() percent = serializers.FloatField()