values.py 文件源码

def deferred_render_PUT(self, request):
        """
        Update values of a set of tags (values and tags are given in a JSON
        payload) on objects that match a query (query is given in the URI).

        @param request: The incoming C{twisted.web.server.Request} request.
        @return: A L{Deferred} which will fire with C{None} when the
            request has completed.  The deferred may errback for a variety of
            reasons, for example an invalid query, the mention of a
            non-existent tag or a tag that the caller does not have CREATE
            permission for.
        """
        usage = registry.findUsage(httpValueCategoryName, 'PUT',
                                   ValuesResource)
        requestObject = ValuesQuerySchema.createFromRequest(request, usage)
        yield self.facadeClient.updateValuesForQueries(
            self.session, requestObject)
        request.setResponseCode(usage.successCode)
        defer.returnValue(None)