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from django.utils.functional import LazyObject
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class LabeledResourceType(LazyObject):
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@staticmethod
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def get_res_types():
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from rbac.models import ContentType
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content_types = ContentType.objects.all()
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ids = []
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for ct in content_types:
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model_cls = ct.model_class()
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if not model_cls:
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continue
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if model_cls._meta.parents:
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continue
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if 'labels' in model_cls._meta._forward_fields_map.keys():
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ids.append(ct.id)
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return ContentType.objects.filter(id__in=ids)
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def _setup(self):
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self._wrapped = self.get_res_types()
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label_resource_types = LabeledResourceType()
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