from rest_framework.pagination import PageNumberPagination,LimitOffsetPagination

class PNPagination(PageNumberPagination):

        page_size = 1

        page_query_param = 'page'

        page_size_query_param = "size"

        max_page_size = 5

class BookViewSet(viewsets.ModelViewSet):

    queryset = Book.objects.all()

    serializer_class = BookSerializers

    def list(self,request,*args,**kwargs):

        book_list=Book.objects.all()

        pp=LimitOffsetPagination()

        pager_books=pp.paginate_queryset(queryset=book_list,request=request,view=self)

        print(pager_books)

        bs=BookSerializers(pager_books,many=True)

        #return Response(bs.data)

        return pp.get_paginated_response(bs.data)

    url(r'^authors/$', views.AuthorModelView.as_view({"get": "list", "post": "create"})),

    url(r'^authors/(?P<pk>\d+)/$',views.AuthorModelView.as_view({"get": "retrieve", "put": "update", "delete": "destroy"})),