view.py

from django.http import HttpResponse


class ApiResource:
    @classmethod
    def dispatch(cls, request, *args, **kwargs):
        if args or 'object_id' in kwargs:
            if request.method == 'GET':
                return cls.read(request, *args, **kwargs)
            elif request.method == 'PUT':
                return cls.update(request, *args, **kwargs)
            elif request.method == 'DELETE':
                return cls.delete(request, *args, **kwargs)
        else:
            if request.method == 'GET':
                return cls.read_collection(request, *args, **kwargs)
            if request.method == 'POST':
                return cls.create(request, *args, **kwargs)
        return HttpResponse(status=400)

    def create(cls, request, *args, **kwargs):
        raise NotImplemented

    def read(cls, request, *args, **kwargs):
        raise NotImplemented

    def update(cls, request, *args, **kwargs):
        raise NotImplemented

    def delete(cls, request, *args, **kwargs):
        raise NotImplemented

    def read_collection(cls, request, *args, **kwargs):
        raise NotImplemented
        
        
#views.py
from django.http import HttpResponse
from django.conf.urls import url


class ProductResource(ApiResource):
    @property
    @classmethod
    def urls(cls):
        return [
            url(r'^$', cls.dispatch),
            url(r'^([-\w]+)/?$', cls.dispatch),
        ]

    @classmethod
    def read(cls, request, id):
        ...

    @classmethod
    def create(cls, request, *args, **kwargs):
        ....


#urls
from django.conf.urls import url


urlpatterns = [
    url('^products/', ProductResource.urls),
]