def __trend_handler()

in generate-data.py [0:0]


def __trend_handler(default_trend, json, data):
    for facets in json["facets"]["histogram_date"]:
        d = utils.as_utc(datetime.strptime(facets["term"], "%Y-%m-%dT00:00:00Z"))
        s = facets["facets"]["signature"]
        for signature in s:
            count = signature["count"]
            sgn = signature["term"]
            if sgn in data:
                data[sgn][d] = count
            else:
                trend = default_trend.copy()
                trend[d] = count
                data[sgn] = trend