base class

# base tastypie class

class BaseResource(ModelResource):

    # Endpoint refers to function in the Resource eg. function_data_whatever
    # IMPORTANT: URL will be replaced to function/data/whatever

    def alter_list_data_to_serialize(self, request, data):
        """ Used to return only meta data, if we have meta_only = true """
        if request.GET.get('meta_only'):
            return {'meta': data['meta']}
        return data

    def add_url(self, endpoint):
        """Adds additional urls to the resource

        :endpoint: the end point API to be added
        :returns: the url created ( for tastypie )

        """
        api = r'(?P<resource_name>%s)/(?P<endpoint>%s)%s$' % (
            self._meta.resource_name, endpoint, trailing_slash())
        endpoint = endpoint.replace('/', '_')
        return url(api, self.wrap_view(endpoint), name='api_%s' % endpoint)

    def get_object_list(self, request):
        return super(CosmeResource, self).get_object_list(request).distinct()