Exception thrown on AJAX request without the basket cookie

[kunkku]

An exception is thrown when an AJAX request is made to /basket/ without the basket cookie. This can happen e.g. when the cookie has expired.

  File "/usr/lib/python3.9/site-packages/django/core/handlers/exception.py", line 47, in inner
    response = get_response(request)
  File "/usr/lib/python3.9/site-packages/django/core/handlers/base.py", line 181, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/usr/lib/python3.9/contextlib.py", line 79, in inner
    return func(*args, **kwds)
  File "/usr/lib/python3.9/site-packages/django/views/generic/base.py", line 70, in view
    return self.dispatch(request, *args, **kwargs)
  File "/usr/lib/python3.9/site-packages/django/views/generic/base.py", line 98, in dispatch
    return handler(request, *args, **kwargs)
  File "/usr/lib/python3.9/site-packages/extra_views/formsets.py", line 335, in post
    return super(BaseModelFormSetView, self).post(request, *args, **kwargs)
  File "/usr/lib/python3.9/site-packages/extra_views/formsets.py", line 302, in post
    return self.formset_valid(formset)
  File "/usr/lib/python3.9/site-packages/oscar/apps/basket/views.py", line 191, in formset_valid
    self.request.basket = get_model('basket', 'Basket').objects.get(
  File "/usr/lib/python3.9/site-packages/django/db/models/manager.py", line 85, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/usr/lib/python3.9/site-packages/django/db/models/query.py", line 429, in get
    raise self.model.DoesNotExist(

Technical details

• Python version: 3.9.7
• Django version: 3.1.13
• Oscar version: 3.1