django filter and code example

Example 1: django-filter

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

Example 2: filter django or

#There is Q objects that allow to complex lookups. Example:
from django.db.models import Q

Item.objects.filter(Q(creator=owner) | Q(moderated=False))

Example 3: filter django or

#It is worth to note that it's possible to add Q expressions.
from django.db.models import Q

query = Q(first_name='mark')
query.add(Q(email='[email protected]'), Q.OR)
query.add(Q(last_name='doe'), Q.AND)

queryset = User.objects.filter(query)

Example 4: and in django query filter

Blog.objects.filter(entry__headline__contains='Lennon', entry__pub_date__year=2008)

Example 5: django delete object

SomeModel.objects.filter(id=id).delete()

Example 6: objects.filter django

>>> Entry.objects.filter(blog_id=4)