def make_meters_hist(cls, readings_hist_lst, equip_dtime, equip_dtime_sec,
atmo_temp):
# group by equips and create list of records for meter_hist
readings_hist_lst = sorted(readings_hist_lst, key=lambda r: r.meter_id)
meters_recs_dict = {
meter_id: list(recs)
for meter_id, recs in itertools.groupby(readings_hist_lst,
key=lambda r: r.meter_id)
}
meters_hist_lst = []
for m_id, recs in meters_recs_dict.items():
if not len(recs):
logger.error(
f'recs len =0 for m_id={m_id}, len(readings_hist_lst)={len(readings_hist_lst)}'
)
temperature = mean([r.temperature for r in recs])
group_temp = None
status_temp, status_atmo, status_group = cls.get_reading_statuses(
m_id, temperature, atmo_temp)
meters_hist_lst.append(
Db.HistMetersRecord(m_id, equip_dtime, equip_dtime_sec,
temperature, atmo_temp, group_temp,
status_temp, status_atmo, status_group))
logger.debug(f'len(meter_hist_lst)={len(meters_hist_lst)}')
return meters_hist_lst
