def get_train_positions():
trains = list(CurrentTrainPosition.select())
data = []
for i in trains:
data.append(dict(near=_station_fmt(wmata.stations[i.station_near]),
far=_station_fmt(wmata.stations[i.station_far]),
fraction=i.fraction, line=i.line, dest=i.dest,
ttf=i.time_to_far))
return jsonify(data=data)
trains = d
ds = []
for train in trains:
time = times[train.direction_dest][train.station] + train.time_int
stations_on_line = train.line.stations
if stations_on_line[0] != train.direction_dest:
stations_on_line.reverse()
try:
stations = list(zip(stations_on_line, [times[train.direction_dest][station] for station in stations_on_line]))
except:
continue
for station, time_from_end in stations:
if time_from_end > time:
station_far = station
break
else:
continue
station_near = stations[[i[0] for i in stations].index(station_far) - 1][0]
fraction = 1 - ((times[train.direction_dest][station_far] - time) / times[station_near][station_far])
ds.append(dict(fraction=fraction, station_near=station_near.station_code, station_far=station_far.station_code, line=train.line.friendly_name, dest=train.destination.name, time_to_far=train.time_int))
print("{}% between {} and {}".format(round(fraction * 100, 1), station_near, station_far))
with db.atomic():
CurrentTrainPosition.delete()
CurrentTrainPosition.insert_many(ds).execute()
import pprint
# pprint.pprint(times)
