Django REST framework

django REST framework

RESTful API 서버를 쉽게 구축할 수 있도록 도와주는 오픈소스 라이브러리

• Serializer
  • client에게 전달하기 위한 Format
  • 기존) django ORM QuerySet -> Template -> HTML로 렌더링
  • REST) QuerySet -> JSON

---

serializer 시작하기

• App 안에 serializers.py 생성

  • serializers.py

    from django.contrib.auth.models import User, Group
    from rest_framework import serializers
    
    
    class UserSerializer(serializers.HyperlinkedModelSerializer):
        class Meta:
            model = User
            fields = ['url', 'username', 'email']

• rest_views.py

    from django.contrib.auth.models import User, Group
    from rest_framework import viewsets
    from rest_framework import permissions
    from blog.serializers import UserSerializer
    
    class UserViewSet(viewsets.ModelViewSet):
        queryset = User.objects.all().order_by('-date_joined')
        serializer_class = UserSerializer
        permission_classes = [permissions.IsAuthenticated]

• url 등록

  • urls.py

    from rest_framework import routers
    from blog import rest_views
    
    router = routers.DefaultRouter()
    router.register('users', rest_views.UserViewSet)
    urlpatterns = [
        path('api/', include(router.urls)),
        path('api-auth/', include('rest_framework.urls', namespace='rest_framework'))
    ]
    

• setting 등록

  • settings.py

    INSTALLED_APPS = [
    'rest_framework',  # app 등록
    ]
    REST_FRAMEWORK = {
        'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
        'PAGE_SIZE': 10 
    }