def _add_researcher_summary(samples, summary_yaml):
    """Generate summary files per researcher if organized via a LIMS.
    """
    by_researcher = collections.defaultdict(list)
    for data in (x[0] for x in samples):
        researcher = utils.get_in(data, ("upload", "researcher"))
        if researcher:
            by_researcher[researcher].append(data["description"])
    out_by_researcher = {}
    for researcher, descrs in by_researcher.items():
        out_by_researcher[researcher] = _summary_csv_by_researcher(summary_yaml, researcher,
                                                                   set(descrs), samples[0][0])
    out = []
    for data in (x[0] for x in samples):
        researcher = utils.get_in(data, ("upload", "researcher"))
        if researcher:
            data["summary"]["researcher"] = out_by_researcher[researcher]
        out.append([data])
    return out
Generate summary files per researcher if organized via a LIMS.