示例#1
0
def do(ref_fpath, aligned_contigs_fpaths, output_dirpath, features_dict, operons_fpaths,
       detailed_contigs_reports_dirpath, genome_stats_dirpath):

    coords_dirpath = os.path.join(detailed_contigs_reports_dirpath, qconfig.minimap_output_dirname)
    from quast_libs import search_references_meta
    if search_references_meta.is_quast_first_run:
        coords_dirpath = os.path.join(coords_dirpath, 'raw')

    logger.print_timestamp()
    logger.main_info('Running Genome analyzer...')

    if not os.path.isdir(genome_stats_dirpath):
        os.mkdir(genome_stats_dirpath)

    genome_size, reference_chromosomes, ns_by_chromosomes = fastaparser.get_genome_stats(ref_fpath)

    # reading genome size
    # genome_size = fastaparser.get_lengths_from_fastafile(reference)[0]
    # reading reference name
    # >gi|48994873|gb|U00096.2| Escherichia coli str. K-12 substr. MG1655, complete genome
    # ref_file = open(reference, 'r')
    # reference_name = ref_file.readline().split()[0][1:]
    # ref_file.close()

    # RESULTS file
    result_fpath = os.path.join(genome_stats_dirpath, 'genome_info.txt')
    res_file = open(result_fpath, 'w')

    containers = []
    for feature, feature_fpath in features_dict.items():
        containers.append(FeatureContainer([feature_fpath], feature))
    if not features_dict:
        logger.notice('No file with genomic features were provided. '
                      'Use the --features option if you want to specify it.\n', indent='  ')
    if operons_fpaths:
        containers.append(FeatureContainer(operons_fpaths, 'operon'))
    else:
        logger.notice('No file with operons were provided. '
                      'Use the -O option if you want to specify it.', indent='  ')
    for container in containers:
        if not container.fpaths:
            continue

        for fpath in container.fpaths:
            container.region_list += genes_parser.get_genes_from_file(fpath, container.kind)

        if len(container.region_list) == 0:
            logger.warning('No genomic features of type "' + container.kind + '" were loaded.', indent='  ')
            res_file.write('Genomic features of type "' + container.kind + '" loaded: ' + 'None' + '\n')
        else:
            logger.info('  Loaded ' + str(len(container.region_list)) + ' genomic features of type "' + container.kind + '"')
            res_file.write('Genomic features of type "' + container.kind + '" loaded: ' + str(len(container.region_list)) + '\n')
            container.chr_names_dict = chromosomes_names_dict(container.kind, container.region_list, list(reference_chromosomes.keys()))

    ref_genes_num, ref_operons_num = None, None
    for contigs_fpath in aligned_contigs_fpaths:
        report = reporting.get(contigs_fpath)
        genomic_features = 0
        for container in containers:
            if container.kind == 'operon':
                ref_operons_num = len(container.region_list)
                report.add_field(reporting.Fields.REF_OPERONS, len(container.region_list))
            else:
                genomic_features += len(container.region_list)
        if genomic_features:
            ref_genes_num = genomic_features
            report.add_field(reporting.Fields.REF_GENES, genomic_features)

    # for cumulative plots:
    files_features_in_contigs = {}   #  "filename" : [ genes in sorted contigs (see below) ]
    files_unsorted_features_in_contigs = {}   #  "filename" : [ genes in sorted contigs (see below) ]
    files_operons_in_contigs = {}
    files_unsorted_operons_in_contigs = {}

    # for histograms
    genome_mapped = []
    full_found_genes = []
    full_found_operons = []

    # process all contig files
    num_nf_errors = logger._num_nf_errors
    n_jobs = min(len(aligned_contigs_fpaths), qconfig.max_threads)

    parallel_run_args = [(contigs_fpath, index, coords_dirpath, genome_stats_dirpath,
                          reference_chromosomes, ns_by_chromosomes, containers)
                        for index, contigs_fpath in enumerate(aligned_contigs_fpaths)]
    ref_lengths, results_genes_operons_tuples = run_parallel(process_single_file, parallel_run_args, n_jobs, filter_results=True)
    num_nf_errors += len(aligned_contigs_fpaths) - len(ref_lengths)
    logger._num_nf_errors = num_nf_errors
    if not ref_lengths:
        logger.main_info('Genome analyzer failed for all the assemblies.')
        res_file.close()
        return

    for ref in reference_chromosomes:
        ref_lengths_by_contigs[ref] = [ref_lengths[i][ref] for i in range(len(ref_lengths))]
    res_file.write('reference chromosomes:\n')
    for chr_name, chr_len in reference_chromosomes.items():
        aligned_len = max(ref_lengths_by_contigs[chr_name])
        res_file.write('\t' + chr_name + ' (total length: ' + str(chr_len) + ' bp, ' +
                       'total length without N\'s: ' + str(chr_len - len(ns_by_chromosomes[chr_name])) +
                       ' bp, maximal covered length: ' + str(aligned_len) + ' bp)\n')
    res_file.write('\n')
    res_file.write('total genome size: ' + str(genome_size) + '\n\n')
    res_file.write('gap min size: ' + str(qconfig.min_gap_size) + '\n')
    res_file.write('partial gene/operon min size: ' + str(qconfig.min_gene_overlap) + '\n\n')
    # header
    # header
    res_file.write('\n\n')
    res_file.write('%-25s| %-10s| %-12s| %-10s| %-10s| %-10s| %-10s| %-10s|\n'
        % ('assembly', 'genome', 'duplication', 'gaps', 'genes', 'partial', 'operons', 'partial'))
    res_file.write('%-25s| %-10s| %-12s| %-10s| %-10s| %-10s| %-10s| %-10s|\n'
        % ('', 'fraction', 'ratio', 'number', '', 'genes', '', 'operons'))
    res_file.write('=' * 120 + '\n')

    for contigs_fpath, (results, unsorted_features_in_contigs, features_in_contigs, unsorted_operons_in_contigs, operons_in_contigs)\
            in zip(aligned_contigs_fpaths, results_genes_operons_tuples):
        assembly_name = qutils.name_from_fpath(contigs_fpath)

        files_features_in_contigs[contigs_fpath] = features_in_contigs
        files_unsorted_features_in_contigs[contigs_fpath] = unsorted_features_in_contigs
        files_operons_in_contigs[contigs_fpath] = operons_in_contigs
        files_unsorted_operons_in_contigs[contigs_fpath] = unsorted_operons_in_contigs
        full_found_genes.append(sum(features_in_contigs))
        full_found_operons.append(sum(operons_in_contigs))

        gaps_count = results["gaps_count"]
        genes_full = results[reporting.Fields.GENES + "_full"]
        genes_part = results[reporting.Fields.GENES + "_partial"]
        operons_full = results[reporting.Fields.OPERONS + "_full"]
        operons_part = results[reporting.Fields.OPERONS + "_partial"]

        report = reporting.get(contigs_fpath)

        res_file.write('%-25s| %-10s| %-12s| %-10s|'
        % (assembly_name[:24], report.get_field(reporting.Fields.MAPPEDGENOME), report.get_field(reporting.Fields.DUPLICATION_RATIO), gaps_count))

        genome_mapped.append(float(report.get_field(reporting.Fields.MAPPEDGENOME)))

        for (field, full, part) in [(reporting.Fields.GENES, genes_full, genes_part),
            (reporting.Fields.OPERONS, operons_full, operons_part)]:
            if full is None and part is None:
                res_file.write(' %-10s| %-10s|' % ('-', '-'))
            else:
                res_file.write(' %-10s| %-10s|' % (full, part))
                report.add_field(field, '%s + %s part' % (full, part))
        res_file.write('\n')
    res_file.close()

    if qconfig.html_report:
        from quast_libs.html_saver import html_saver
        if ref_genes_num:
            html_saver.save_features_in_contigs(output_dirpath, aligned_contigs_fpaths, 'features', files_features_in_contigs, ref_genes_num)
        if ref_operons_num:
            html_saver.save_features_in_contigs(output_dirpath, aligned_contigs_fpaths, 'operons', files_operons_in_contigs, ref_operons_num)

    if qconfig.draw_plots:
        # cumulative plots:
        from . import plotter
        from quast_libs.ca_utils.misc import contigs_aligned_lengths
        if ref_genes_num:
            plotter.genes_operons_plot(ref_genes_num, aligned_contigs_fpaths, files_features_in_contigs,
                genome_stats_dirpath + '/features_cumulative_plot', 'genomic features')
            plotter.frc_plot(output_dirpath, ref_fpath, aligned_contigs_fpaths, contigs_aligned_lengths, files_unsorted_features_in_contigs,
                             genome_stats_dirpath + '/features_frcurve_plot', 'genomic features')
            plotter.histogram(aligned_contigs_fpaths, full_found_genes, genome_stats_dirpath + '/complete_features_histogram',
                '# complete genomic features')
        if ref_operons_num:
            plotter.genes_operons_plot(ref_operons_num, aligned_contigs_fpaths, files_operons_in_contigs,
                genome_stats_dirpath + '/operons_cumulative_plot', 'operons')
            plotter.frc_plot(output_dirpath, ref_fpath, aligned_contigs_fpaths, contigs_aligned_lengths, files_unsorted_operons_in_contigs,
                             genome_stats_dirpath + '/operons_frcurve_plot', 'operons')
            plotter.histogram(aligned_contigs_fpaths, full_found_operons, genome_stats_dirpath + '/complete_operons_histogram',
                '# complete operons')
        plotter.histogram(aligned_contigs_fpaths, genome_mapped, genome_stats_dirpath + '/genome_fraction_histogram',
            'Genome fraction, %', top_value=100)

    logger.main_info('Done.')
    return containers
示例#2
0
def do(ref_fpath, aligned_contigs_fpaths, output_dirpath, features_dict,
       operons_fpaths, detailed_contigs_reports_dirpath, genome_stats_dirpath):

    coords_dirpath = os.path.join(detailed_contigs_reports_dirpath,
                                  qconfig.minimap_output_dirname)
    from quast_libs import search_references_meta
    if search_references_meta.is_quast_first_run:
        coords_dirpath = os.path.join(coords_dirpath, 'raw')

    logger.print_timestamp()
    logger.main_info('Running Genome analyzer...')

    if not os.path.isdir(genome_stats_dirpath):
        os.mkdir(genome_stats_dirpath)

    genome_size, reference_chromosomes, ns_by_chromosomes = fastaparser.get_genome_stats(
        ref_fpath)

    # reading genome size
    # genome_size = fastaparser.get_lengths_from_fastafile(reference)[0]
    # reading reference name
    # >gi|48994873|gb|U00096.2| Escherichia coli str. K-12 substr. MG1655, complete genome
    # ref_file = open(reference, 'r')
    # reference_name = ref_file.readline().split()[0][1:]
    # ref_file.close()

    # RESULTS file
    result_fpath = os.path.join(genome_stats_dirpath, 'genome_info.txt')
    res_file = open(result_fpath, 'w')

    containers = []
    for feature, feature_fpath in features_dict.items():
        containers.append(FeatureContainer([feature_fpath], feature))
    if not features_dict:
        logger.notice(
            'No file with genomic features were provided. '
            'Use the --features option if you want to specify it.\n',
            indent='  ')
    if operons_fpaths:
        containers.append(FeatureContainer(operons_fpaths, 'operon'))
    else:
        logger.notice(
            'No file with operons were provided. '
            'Use the -O option if you want to specify it.',
            indent='  ')
    for container in containers:
        if not container.fpaths:
            continue

        for fpath in container.fpaths:
            container.region_list += genes_parser.get_genes_from_file(
                fpath, container.kind)

        if len(container.region_list) == 0:
            logger.warning('No genomic features of type "' + container.kind +
                           '" were loaded.',
                           indent='  ')
            res_file.write('Genomic features of type "' + container.kind +
                           '" loaded: ' + 'None' + '\n')
        else:
            logger.info('  Loaded ' + str(len(container.region_list)) +
                        ' genomic features of type "' + container.kind + '"')
            res_file.write('Genomic features of type "' + container.kind +
                           '" loaded: ' + str(len(container.region_list)) +
                           '\n')
            container.chr_names_dict = chromosomes_names_dict(
                container.kind, container.region_list,
                list(reference_chromosomes.keys()))

    ref_genes_num, ref_operons_num = None, None
    for contigs_fpath in aligned_contigs_fpaths:
        report = reporting.get(contigs_fpath)
        genomic_features = 0
        for container in containers:
            if container.kind == 'operon':
                ref_operons_num = len(container.region_list)
                report.add_field(reporting.Fields.REF_OPERONS,
                                 len(container.region_list))
            else:
                genomic_features += len(container.region_list)
        if genomic_features:
            ref_genes_num = genomic_features
            report.add_field(reporting.Fields.REF_GENES, genomic_features)

    # for cumulative plots:
    files_features_in_contigs = {
    }  #  "filename" : [ genes in sorted contigs (see below) ]
    files_unsorted_features_in_contigs = {
    }  #  "filename" : [ genes in sorted contigs (see below) ]
    files_operons_in_contigs = {}
    files_unsorted_operons_in_contigs = {}

    # for histograms
    genome_mapped = []
    full_found_genes = []
    full_found_operons = []

    # process all contig files
    num_nf_errors = logger._num_nf_errors
    n_jobs = min(len(aligned_contigs_fpaths), qconfig.max_threads)
    if is_python2():
        from joblib2 import Parallel, delayed
    else:
        from joblib3 import Parallel, delayed
    if not qconfig.memory_efficient:
        process_results = Parallel(n_jobs=n_jobs)(
            delayed(process_single_file)(
                contigs_fpath, index, coords_dirpath, genome_stats_dirpath,
                reference_chromosomes, ns_by_chromosomes, containers)
            for index, contigs_fpath in enumerate(aligned_contigs_fpaths))
    else:
        process_results = [
            process_single_file(contigs_fpath, index, coords_dirpath,
                                genome_stats_dirpath, reference_chromosomes,
                                ns_by_chromosomes, containers)
            for index, contigs_fpath in enumerate(aligned_contigs_fpaths)
        ]
    num_nf_errors += len([res for res in process_results if res is None])
    logger._num_nf_errors = num_nf_errors
    process_results = [res for res in process_results if res]
    if not process_results:
        logger.main_info('Genome analyzer failed for all the assemblies.')
        res_file.close()
        return

    ref_lengths = [process_results[i][0] for i in range(len(process_results))]
    results_genes_operons_tuples = [
        process_results[i][1] for i in range(len(process_results))
    ]
    for ref in reference_chromosomes:
        ref_lengths_by_contigs[ref] = [
            ref_lengths[i][ref] for i in range(len(ref_lengths))
        ]
    res_file.write('reference chromosomes:\n')
    for chr_name, chr_len in reference_chromosomes.items():
        aligned_len = max(ref_lengths_by_contigs[chr_name])
        res_file.write('\t' + chr_name + ' (total length: ' + str(chr_len) +
                       ' bp, ' + 'total length without N\'s: ' +
                       str(chr_len - len(ns_by_chromosomes[chr_name])) +
                       ' bp, maximal covered length: ' + str(aligned_len) +
                       ' bp)\n')
    res_file.write('\n')
    res_file.write('total genome size: ' + str(genome_size) + '\n\n')
    res_file.write('gap min size: ' + str(qconfig.min_gap_size) + '\n')
    res_file.write('partial gene/operon min size: ' +
                   str(qconfig.min_gene_overlap) + '\n\n')
    # header
    # header
    res_file.write('\n\n')
    res_file.write(
        '%-25s| %-10s| %-12s| %-10s| %-10s| %-10s| %-10s| %-10s|\n' %
        ('assembly', 'genome', 'duplication', 'gaps', 'genes', 'partial',
         'operons', 'partial'))
    res_file.write(
        '%-25s| %-10s| %-12s| %-10s| %-10s| %-10s| %-10s| %-10s|\n' %
        ('', 'fraction', 'ratio', 'number', '', 'genes', '', 'operons'))
    res_file.write('=' * 120 + '\n')

    for contigs_fpath, (results, unsorted_features_in_contigs, features_in_contigs, unsorted_operons_in_contigs, operons_in_contigs)\
            in zip(aligned_contigs_fpaths, results_genes_operons_tuples):
        assembly_name = qutils.name_from_fpath(contigs_fpath)

        files_features_in_contigs[contigs_fpath] = features_in_contigs
        files_unsorted_features_in_contigs[
            contigs_fpath] = unsorted_features_in_contigs
        files_operons_in_contigs[contigs_fpath] = operons_in_contigs
        files_unsorted_operons_in_contigs[
            contigs_fpath] = unsorted_operons_in_contigs
        full_found_genes.append(sum(features_in_contigs))
        full_found_operons.append(sum(operons_in_contigs))

        gaps_count = results["gaps_count"]
        genes_full = results[reporting.Fields.GENES + "_full"]
        genes_part = results[reporting.Fields.GENES + "_partial"]
        operons_full = results[reporting.Fields.OPERONS + "_full"]
        operons_part = results[reporting.Fields.OPERONS + "_partial"]

        report = reporting.get(contigs_fpath)

        res_file.write(
            '%-25s| %-10s| %-12s| %-10s|' %
            (assembly_name[:24], report.get_field(
                reporting.Fields.MAPPEDGENOME),
             report.get_field(reporting.Fields.DUPLICATION_RATIO), gaps_count))

        genome_mapped.append(
            float(report.get_field(reporting.Fields.MAPPEDGENOME)))

        for (field, full,
             part) in [(reporting.Fields.GENES, genes_full, genes_part),
                       (reporting.Fields.OPERONS, operons_full, operons_part)]:
            if full is None and part is None:
                res_file.write(' %-10s| %-10s|' % ('-', '-'))
            else:
                res_file.write(' %-10s| %-10s|' % (full, part))
                report.add_field(field, '%s + %s part' % (full, part))
        res_file.write('\n')
    res_file.close()

    if qconfig.html_report:
        from quast_libs.html_saver import html_saver
        if ref_genes_num:
            html_saver.save_features_in_contigs(output_dirpath,
                                                aligned_contigs_fpaths,
                                                'features',
                                                files_features_in_contigs,
                                                ref_genes_num)
        if ref_operons_num:
            html_saver.save_features_in_contigs(output_dirpath,
                                                aligned_contigs_fpaths,
                                                'operons',
                                                files_operons_in_contigs,
                                                ref_operons_num)

    if qconfig.draw_plots:
        # cumulative plots:
        from . import plotter
        from quast_libs.ca_utils.misc import contigs_aligned_lengths
        if ref_genes_num:
            plotter.genes_operons_plot(
                ref_genes_num, aligned_contigs_fpaths,
                files_features_in_contigs,
                genome_stats_dirpath + '/features_cumulative_plot',
                'genomic features')
            plotter.frc_plot(output_dirpath, ref_fpath, aligned_contigs_fpaths,
                             contigs_aligned_lengths,
                             files_unsorted_features_in_contigs,
                             genome_stats_dirpath + '/features_frcurve_plot',
                             'genomic features')
            plotter.histogram(
                aligned_contigs_fpaths, full_found_genes,
                genome_stats_dirpath + '/complete_features_histogram',
                '# complete genomic features')
        if ref_operons_num:
            plotter.genes_operons_plot(
                ref_operons_num, aligned_contigs_fpaths,
                files_operons_in_contigs,
                genome_stats_dirpath + '/operons_cumulative_plot', 'operons')
            plotter.frc_plot(output_dirpath, ref_fpath, aligned_contigs_fpaths,
                             contigs_aligned_lengths,
                             files_unsorted_operons_in_contigs,
                             genome_stats_dirpath + '/operons_frcurve_plot',
                             'operons')
            plotter.histogram(
                aligned_contigs_fpaths, full_found_operons,
                genome_stats_dirpath + '/complete_operons_histogram',
                '# complete operons')
        plotter.histogram(aligned_contigs_fpaths,
                          genome_mapped,
                          genome_stats_dirpath + '/genome_fraction_histogram',
                          'Genome fraction, %',
                          top_value=100)

    logger.main_info('Done.')
    return containers
示例#3
0
def do(reference,
       contigs_fpaths,
       is_cyclic,
       output_dir,
       old_contigs_fpaths,
       bed_fpath=None):
    if not os.path.isdir(output_dir):
        os.mkdir(output_dir)

    logger.print_timestamp()
    logger.main_info('Running Contig analyzer...')
    success_compilation = compile_aligner(logger)
    if not success_compilation:
        logger.main_info(
            'Failed aligning the contigs for all the assemblies. Only basic stats are going to be evaluated.'
        )
        return dict(
            zip(contigs_fpaths,
                [AlignerStatus.FAILED] * len(contigs_fpaths))), None

    num_nf_errors = logger._num_nf_errors
    create_minimap_output_dir(output_dir)
    n_jobs = min(len(contigs_fpaths), qconfig.max_threads)
    threads = max(1, qconfig.max_threads // n_jobs)
    if is_python2():
        from joblib2 import Parallel, delayed
    else:
        from joblib3 import Parallel, delayed

    genome_size, reference_chromosomes, ns_by_chromosomes = get_genome_stats(
        reference, skip_ns=True)
    threads = qconfig.max_threads if qconfig.memory_efficient else threads
    args = [(is_cyclic, i, contigs_fpath, output_dir, reference,
             reference_chromosomes, ns_by_chromosomes, old_contigs_fpath,
             bed_fpath, threads)
            for i, (contigs_fpath, old_contigs_fpath
                    ) in enumerate(zip(contigs_fpaths, old_contigs_fpaths))]
    statuses, results, aligned_lengths, misassemblies_in_contigs, aligned_lengths_by_contigs = run_parallel(
        align_and_analyze, args, n_jobs)
    reports = []

    aligner_statuses = dict(zip(contigs_fpaths, statuses))
    aligned_lengths_per_fpath = dict(zip(contigs_fpaths, aligned_lengths))
    misc.contigs_aligned_lengths = dict(
        zip(contigs_fpaths, aligned_lengths_by_contigs))

    if AlignerStatus.OK in aligner_statuses.values():
        if qconfig.is_combined_ref:
            save_combined_ref_stats(results, contigs_fpaths,
                                    ref_labels_by_chromosomes, output_dir,
                                    logger)

    for index, fname in enumerate(contigs_fpaths):
        report = reporting.get(fname)
        if statuses[index] == AlignerStatus.OK:
            reports.append(
                save_result(results[index], report, fname, reference,
                            genome_size))
        elif statuses[index] == AlignerStatus.NOT_ALIGNED:
            save_result_for_unaligned(results[index], report)

    if AlignerStatus.OK in aligner_statuses.values():
        reporting.save_misassemblies(output_dir)
        reporting.save_unaligned(output_dir)
        from . import plotter
        if qconfig.draw_plots:
            plotter.draw_misassemblies_plot(
                reports, join(output_dir, 'misassemblies_plot'),
                'Misassemblies')
        if qconfig.draw_plots or qconfig.html_report:
            misassemblies_in_contigs = dict(
                (contigs_fpaths[i], misassemblies_in_contigs[i])
                for i in range(len(contigs_fpaths)))
            plotter.frc_plot(dirname(output_dir), reference, contigs_fpaths,
                             misc.contigs_aligned_lengths,
                             misassemblies_in_contigs,
                             join(output_dir, 'misassemblies_frcurve_plot'),
                             'misassemblies')

    oks = list(aligner_statuses.values()).count(AlignerStatus.OK)
    not_aligned = list(aligner_statuses.values()).count(
        AlignerStatus.NOT_ALIGNED)
    failed = list(aligner_statuses.values()).count(AlignerStatus.FAILED)
    errors = list(aligner_statuses.values()).count(AlignerStatus.ERROR)
    problems = not_aligned + failed + errors
    all = len(aligner_statuses)

    logger._num_nf_errors = num_nf_errors + errors

    if oks == all:
        logger.main_info('Done.')
    if oks < all and problems < all:
        logger.main_info(
            'Done for ' + str(all - problems) + ' out of ' + str(all) +
            '. For the rest, only basic stats are going to be evaluated.')
    if problems == all:
        logger.main_info(
            'Failed aligning the contigs for all the assemblies. Only basic stats are going to be evaluated.'
        )

    return aligner_statuses, aligned_lengths_per_fpath
示例#4
0
def do(reference, contigs_fpaths, is_cyclic, output_dir, old_contigs_fpaths, bed_fpath=None):
    if not os.path.isdir(output_dir):
        os.mkdir(output_dir)

    logger.print_timestamp()
    logger.main_info('Running Contig analyzer...')
    success_compilation = compile_aligner(logger)
    if not success_compilation:
        logger.main_info('Failed aligning the contigs for all the assemblies. Only basic stats are going to be evaluated.')
        return dict(zip(contigs_fpaths, [AlignerStatus.FAILED] * len(contigs_fpaths))), None

    num_nf_errors = logger._num_nf_errors
    create_minimap_output_dir(output_dir)
    n_jobs = min(len(contigs_fpaths), qconfig.max_threads)
    threads = max(1, qconfig.max_threads // n_jobs)

    genome_size, reference_chromosomes, ns_by_chromosomes = get_genome_stats(reference, skip_ns=True)
    threads = qconfig.max_threads if qconfig.memory_efficient else threads
    args = [(is_cyclic, i, contigs_fpath, output_dir, reference, reference_chromosomes, ns_by_chromosomes,
            old_contigs_fpath, bed_fpath, threads)
            for i, (contigs_fpath, old_contigs_fpath) in enumerate(zip(contigs_fpaths, old_contigs_fpaths))]
    statuses, results, aligned_lengths, misassemblies_in_contigs, aligned_lengths_by_contigs = run_parallel(align_and_analyze, args, n_jobs)
    reports = []

    aligner_statuses = dict(zip(contigs_fpaths, statuses))
    aligned_lengths_per_fpath = dict(zip(contigs_fpaths, aligned_lengths))
    misc.contigs_aligned_lengths = dict(zip(contigs_fpaths, aligned_lengths_by_contigs))

    if AlignerStatus.OK in aligner_statuses.values():
        if qconfig.is_combined_ref:
            save_combined_ref_stats(results, contigs_fpaths, ref_labels_by_chromosomes, output_dir, logger)

    for index, fname in enumerate(contigs_fpaths):
        report = reporting.get(fname)
        if statuses[index] == AlignerStatus.OK:
            reports.append(save_result(results[index], report, fname, reference, genome_size))
        elif statuses[index] == AlignerStatus.NOT_ALIGNED:
            save_result_for_unaligned(results[index], report)

    if AlignerStatus.OK in aligner_statuses.values():
        reporting.save_misassemblies(output_dir)
        reporting.save_unaligned(output_dir)
        from . import plotter
        if qconfig.draw_plots:
            plotter.draw_misassemblies_plot(reports, join(output_dir, 'misassemblies_plot'), 'Misassemblies')
        if qconfig.draw_plots or qconfig.html_report:
            misassemblies_in_contigs = dict((contigs_fpaths[i], misassemblies_in_contigs[i]) for i in range(len(contigs_fpaths)))
            plotter.frc_plot(dirname(output_dir), reference, contigs_fpaths, misc.contigs_aligned_lengths, misassemblies_in_contigs,
                             join(output_dir, 'misassemblies_frcurve_plot'), 'misassemblies')

    oks = list(aligner_statuses.values()).count(AlignerStatus.OK)
    not_aligned = list(aligner_statuses.values()).count(AlignerStatus.NOT_ALIGNED)
    failed = list(aligner_statuses.values()).count(AlignerStatus.FAILED)
    errors = list(aligner_statuses.values()).count(AlignerStatus.ERROR)
    problems = not_aligned + failed + errors
    all = len(aligner_statuses)

    logger._num_nf_errors = num_nf_errors + errors

    if oks == all:
        logger.main_info('Done.')
    if oks < all and problems < all:
        logger.main_info('Done for ' + str(all - problems) + ' out of ' + str(all) + '. For the rest, only basic stats are going to be evaluated.')
    if problems == all:
        logger.main_info('Failed aligning the contigs for all the assemblies. Only basic stats are going to be evaluated.')

    return aligner_statuses, aligned_lengths_per_fpath