Sistema_Gestion_Transporte/project/api/serializers.py

from rest_framework import serializers
from .models import Aplicacion
from .models import Usuario, Persona

class AplicacionSerializer(serializers.ModelSerializer):
    class Meta:
        model = Aplicacion
        fields = '__all__'

class PersonaSerializer(serializers.ModelSerializer):
    class Meta:
        model = Persona
        fields = '__all__'

class UsuarioSerializer(serializers.ModelSerializer):
    # persona = serializers.PrimaryKeyRelatedField(queryset=Persona.objects.all(), source='rut')

    class Meta:
        model = Usuario
        fields = ('login','vigente','rut')

    # def get_persona(self, usuario):
    #     return usuario.persona