def show(self, from_date=None):
(low, avg, high) = Reading.get_min_avg_max(from_date=from_date)
(total, low_c, normal_c, high_c) = Reading.group_by_range(
from_date=from_date)
try:
latest = Reading.get().value
except:
latest = 0.0
helpers.set_numeric_label(self.view, "latest_reading",
latest)
helpers.set_numeric_label(self.view, "lowest_label",
low)
helpers.set_numeric_label(self.view, "highest_label",
high)
helpers.set_numeric_label(self.view, "average_label",
avg)
helpers.set_numeric_label(self.view, "lows_label", low_c, total)
helpers.set_numeric_label(self.view, "highs_label", high_c, total)
helpers.set_numeric_label(self.view, "normal_label", normal_c, total)
