1 2 3 4 5 6 7 8 9 10 11 12 13 14 | def get_model_or_404(app_name, model_name):
"""
Attempt to get a model from the ``AppCache``
and raise ``Http404`` if it cannot be found
"""
from django.db.models import get_model
from django.http import Http404
model_class = get_model(app_name, model_name)
if model_class is None:
raise Http404("This model does not exist!")
return model_class
|
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