old_contents: from tastypie.resources import ModelResource
  from tastypie.authorization import Authorization
  
  from peel.models import Article
  
  
  class ArticleResource(ModelResource):
      def dehydrate_tags(self, bundle):
          # Needed to properly serialize tags into a valid JSON list of strings.
          return bundle.obj.tags
  
      def build_filters(self, filters=None):
          """
          Add support for exclude filtering
          See https://github.com/toastdriven/django-tastypie/issues/524
          """
          if not filters:
              return filters
  
          applicable_filters = {}
  
          # Separate out normal filters and the __ne operations.
          # Normal filtering
          filter_params = dict([(x, filters[x]) for x in filter(lambda x: not x.endswith('__ne'), filters)])
          applicable_filters['filter'] = super(type(self), self).build_filters(filter_params)
  
          # Exclude filtering
          exclude_params = dict([(x[:-4], filters[x]) for x in filter(lambda x: x.endswith('__ne'), filters)])
          applicable_filters['exclude'] = super(type(self), self).build_filters(exclude_params)
  
          return applicable_filters
  
      def apply_filters(self, request, applicable_filters):
          """
          Add support for exclude filtering
          See https://github.com/toastdriven/django-tastypie/issues/524
          """
          objects = self.get_object_list(request)
  
          # Distinguish between normal filters and exclude filters
          f = applicable_filters.get('filter')
          if f:
              objects = objects.filter(**f)
          e = applicable_filters.get('exclude')
          if e:
              for exclusion_filter, value in e.items():
                  objects = objects.exclude(**{exclusion_filter: value})
          return objects
  
      class Meta:
          queryset = Article.objects.all()
          ordering = ['created_at', 'updated_at']
          filtering = {
              'status': ('exact', 'ne'),
              'created_at': ('lt', 'gt'),
              'updated_at': ('lt', 'gt'),
          }
          authorization = Authorization()
          always_return_data = True
  
new_contents: from tastypie.resources import ModelResource
  from tastypie.authorization import Authorization
  
  from peel.models import Article
  
  
  class ArticleResource(ModelResource):
      def dehydrate_tags(self, bundle):
          # Needed to properly serialize tags into a valid JSON list of strings.
          return bundle.obj.tags
  
      class Meta:
          queryset = Article.objects.all()
          ordering = ['created_at', 'updated_at']
          filtering = {
              'status': ('exact', 'in'),
              'created_at': ('lt', 'gt'),
              'updated_at': ('lt', 'gt'),
          }
          authorization = Authorization()
          always_return_data = True
  
subject: Remove exclude filtering support from API