from rest_framework import serializers class TextToText(serializers.Serializer): text = serializers.CharField(max_length=1024) sourceCode = serializers.CharField(max_length=3) targetCode = serializers.CharField(max_length=3) class AudioToAudioSerializer(serializers.Serializer): audio = serializers.FileField() sourceCode = serializers.CharField(max_length=3) targetCode = serializers.CharField(max_length=3)