# import get_object_or_404()
from django.shortcuts import get_object_or_404
 
 
# defining view
def product_view(request):
    #
retrieving product (pk is primary key)
    product = get_object_or_404(Products, pk=3)

# import Http404
from django.http import Http404
 
 
# defining view
def product_view(request):
 
 
    # try except logic
    try:
        product = Products.objects.get(pk=1)
    except Products.DoesNotExist:
        raise Http404("Given query not found....")

queryset = Products.objects.filter(type='shoes')
get_object_or_404(queryset)

get_object_or_404(Products, type='shoes')