Answers for "django -filters package"

django_filters install

$ pip install django-filter

django_filters install

INSTALLED_APPS = [
    ...
    'django_filters',
]

django-filter

def product_list(request):
    filter = ProductFilter(request.GET, queryset=Product.objects.all())
    return render(request, 'my_app/template.html', {'filter': filter})