def delete_from_backend(context, uri, **kwargs):
 loc = location.get_location_from_uri(uri)
 store = get_store_from_uri(context, uri, loc)
 try:
  return store.delete(loc)
 except NotImplementedError:
  raise exception.StoreDeleteNotSupported

def delete_from_backend ( context , uri , ** kwargs ) : loc = location . get_location_from_uri ( uri ) store = get_store_from_uri ( context , uri , loc ) try : return store . delete ( loc ) except NotImplementedError : raise exception . StoreDeleteNotSupported
removes chunks of data from backend specified by uri .