def test_1(self):
        vtraj = self.vtrajs[2]
        assert len(vtraj) == 3
        
        assignments = 1234 * np.ones(len(vtraj))
        distances = np.random.randn(len(vtraj)).astype(np.float32)
        save(self.fa, self.fd, assignments, distances, vtraj)
        
        AData = -1 * np.ones((2,10))
        AData[0,6:9] = 1234
        
        DData = -1 * np.ones((2,10), dtype=np.float32)
        DData[0,6:9] = distances

        npt.assert_equal(self.fa.root.Data, AData)
        npt.assert_equal(self.fd.root.Data, DData)
def main(args, logger):
    metric = construct_metric(args)
    
    project = Project.LoadFromHDF(args.project)
    if not os.path.exists(args.generators):
        raise IOError('Could not open generators')
    generators = os.path.abspath(args.generators)
    output_dir = os.path.abspath(args.output_dir)
    
    # connect to the workers
    try:
        json_file = client_json_file(args.profile, args.cluster_id)
        client = parallel.Client(json_file, timeout=2)
    except parallel.error.TimeoutError as exception:
        msg = '\nparallel.error.TimeoutError: ' + str(exception)
        msg += "\n\nPerhaps you didn't start a controller?\n"
        msg += "(hint, use ipcluster start)"
        print >> sys.stderr, msg
        sys.exit(1)
        
    lview = client.load_balanced_view()
    
    # partition the frames into a bunch of vtrajs
    all_vtrajs = local.partition(project, args.chunk_size)
    
    # initialze the containers to save to disk
    f_assignments, f_distances = local.setup_containers(output_dir,
        project, all_vtrajs)
    
    # get the chunks that have not been computed yet
    valid_indices = np.where(f_assignments.root.completed_vtrajs[:] == False)[0]
    remaining_vtrajs = np.array(all_vtrajs)[valid_indices].tolist()

    logger.info('%d/%d jobs remaining', len(remaining_vtrajs), len(all_vtrajs))
    
    # send the workers the files they need to get started
    # dview.apply_sync(remote.load_gens, generators, project['ConfFilename'],
    #    metric)
    
    # get the workers going
    n_jobs = len(remaining_vtrajs)
    amr = lview.map(remote.assign, remaining_vtrajs,
                    [generators]*n_jobs, [metric]*n_jobs, chunksize=1)
    
    pending = set(amr.msg_ids)
    
    while pending:
        client.wait(pending, 1e-3)
        # finished is the set of msg_ids that are complete
        finished = pending.difference(client.outstanding)
        # update pending to exclude those that just finished
        pending = pending.difference(finished)
        for msg_id in finished:
            # we know these are done, so don't worry about blocking
            async = client.get_result(msg_id)
            
            assignments, distances, chunk = async.result[0]
            vtraj_id = local.save(f_assignments, f_distances, assignments, distances, chunk)
            
            log_status(logger, len(pending), n_jobs, vtraj_id, async)
                
            
    f_assignments.close()
    f_distances.close()
    
    logger.info('All done, exiting.')