= Django REST framework =
 * https://www.django-rest-framework.org/tutorial/quickstart/#quickstart
Django REST framework is a powerful and flexible toolkit for building Web APIs.

== Quickstart ==
 * Based on https://www.django-rest-framework.org/tutorial/quickstart/#quickstart
{{{#!highlight bash
cd ~/tmp
mkdir django-rest-test
cd django-rest-test
sudo apt install python3-venv
python3 -m venv virtenv
. virtenv/bin/activate
pip install djangorestframework
find . virtenv/
django-admin startproject tutorial . 
cd tutorial
django-admin startapp quickstart
cd ..
python manage.py migrate # sync DB 
python manage.py createsuperuser --email admin@example.com --username admin # create super user, pwd: 12345678 
nano tutorial/quickstart/serializers.py
nano tutorial/quickstart/views.py
nano tutorial/urls.py
nano tutorial/settings.py
python manage.py runserver
# Starting development server at http://127.0.0.1:8000/
curl -H 'Accept: application/json; indent=4' -u admin:12345678 
}}}

=== tutorial/quickstart/serializers.py ===
{{{#!highlight python
from django.contrib.auth.models import User, Group
from rest_framework import serializers

class UserSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = User
        # select fields to return
        fields = ['url', 'username', 'email', 'groups']

class GroupSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Group
        # select fields to return
        fields = ['url', 'name']
}}}

=== tutorial/quickstart/views.py ===
{{{#!highlight python
from django.contrib.auth.models import User, Group
from rest_framework import viewsets
from rest_framework import permissions
from tutorial.quickstart.serializers import UserSerializer, GroupSerializer

class UserViewSet(viewsets.ModelViewSet):
    """
    API endpoint that allows users to be viewed or edited.
    """
    queryset = User.objects.all().order_by('-date_joined')
    serializer_class = UserSerializer
    permission_classes = [permissions.IsAuthenticated]

class GroupViewSet(viewsets.ModelViewSet):
    """
    API endpoint that allows groups to be viewed or edited.
    """
    queryset = Group.objects.all()
    serializer_class = GroupSerializer
    permission_classes = [permissions.IsAuthenticated]
}}}

=== tutorial/urls.py ===
{{{#!highlight python
from django.urls import include, path
from rest_framework import routers
from tutorial.quickstart import views

router = routers.DefaultRouter()
router.register(r'users', views.UserViewSet)
router.register(r'groups', views.GroupViewSet)

# Wire up our API using automatic URL routing.
# Additionally, we include login URLs for the browsable API.
urlpatterns = [
    path('', include(router.urls)),
    path('api-auth/', include('rest_framework.urls', namespace='rest_framework'))
]
}}}