def get_content_type(ct_name):
"""
A helper function that returns ContentType object based on its slugified verbose_name_plural.
Results of this function is cached to improve performance.
:Parameters:
- `ct_name`: Slugified verbose_name_plural of the target model.
:Exceptions:
- `Http404`: if no matching ContentType is found
"""
try:
ct = CONTENT_TYPE_MAPPING[ct_name]
except KeyError:
for model in get_models():
if ct_name == slugify(model._meta.verbose_name_plural):
ct = ContentType.objects.get_for_model(model)
CONTENT_TYPE_MAPPING[ct_name] = ct
break
else:
raise Http404
return ct
def test_by_brute_force(self):
for m in get_models():
if issubclass(m, Publishable):
ct = ContentType.objects.get_for_model(m)
tools.assert_equals(ct, get_content_type(slugify(m._meta.verbose_name_plural)))
