views.py 文件源码

def update(self, request, slug):
        serializer_context = {'request': request}

        try:
            serializer_instance = self.queryset.get(slug=slug)
        except Article.DoesNotExist:
            raise NotFound('An article with this slug does not exist.')

        serializer_data = request.data.get('article', {})

        serializer = self.serializer_class(
            serializer_instance, 
            context=serializer_context,
            data=serializer_data, 
            partial=True
        )
        serializer.is_valid(raise_exception=True)
        serializer.save()

        return Response(serializer.data, status=status.HTTP_200_OK)