@blueprint.route('/resources/<resource>/meters/<meter>/volume/sum')
def compute_resource_volume_sum(resource, meter):
 return _get_statistics('sum', meter=meter, resource=resource, project=acl.get_limited_to_project(flask.request.headers))

@ blueprint . route ( '/resources/<resource>/meters/<meter>/volume/sum' ) def compute_resource_volume_sum ( resource , meter ) : return _get_statistics ( 'sum' , meter = meter , resource = resource , project = acl . get_limited_to_project ( flask . request . headers ) )
return the sum of samples for a meter .