views.py 文件源码

def metrics(request):
    metrics = Metric.objects.all().order_by('name')

    ds = request.query_params.get('ds')
    if ds:
        # Further filter metrics by dataset.
        metrics = (metrics.filter(collection__dataset__slug=ds)
                          .distinct('id', 'name'))
        if not metrics:
            raise NotFound('No data set with given dataset found.')

    return Response([MetricSerializer(m).data for m in metrics])