Django Api RestFramework and CORS

DRF Django Rest Framework
CORS Cross-Origin-Resource Sharing

1-python -m pip install djangorestframework
2-python -m pip install django-cors-headers

2-Settings.py

INSTALLED_APPS:
'rest_framework',
'corsheaders',

MIDDLEWARE
'corsheaders.middleware.CorsMiddleware',
'django.middleware.common.CommonMiddleware',

CORS_ALLOWED_ORIGINS = [
'http://localhost',
]


3-serializer.py

from rest_framework import serializers
from .models import Aula

class AulaSerializer(serializers.ModelSerializer):
class Meta:
model= Aula
fields='__all__'
#fields=('nombre','observacion')

4-view.py

from rest_framework import viewsets
from .serializer import AulaSerializer
from .models import Aula


class AulaViewSet(viewsets.ModelViewSet):
queryset=Aula.objects.all()
serializer_class= AulaSerializer


5-(Creamos)urls.py

from django.urls import path, include
from rest_framework import routers
#from Aula.views import AulaViewSet
from productos import views

router= routers.DefaultRouter()
router.register(r'aula',views.AulaViewSet)
#----
urlpatterns = [
path('', include(router.urls)),
]


6-(agregamos al proyecto)urls.py

from django.contrib import admin
from django.urls import path, include

urlpatterns = [
path('admin/', admin.site.urls),
path('api/v1', include('productos.urls')),

]