django update model

1SomeModel.objects.filter(id=id).delete()

1obj, created = Person.objects.update_or_create(
2    first_name='John', last_name='Lennon',
3    defaults={'first_name': 'Bob'},
4)
5# If person exists with first_name='John' & last_name='Lennon' then update first_name='Bob'
6# Else create new person with first_name='Bob' & last_name='Lennon'
7

1Model.objects.filter(id = 223).update(field1 = 2)

1python -m pip install -U Django

1def get_absolute_url(self):
2  from django.core.urlresolvers import reverse
3  return reverse('', kwargs={'pk': self.pk})

1>>> one_entry = Entry.objects.get(pk=1)
2