def update_stat_info(self):
"""
Update statistics for active DB.
Note: very time consuming.
"""
try:
count, (picked, freqs), picked_count = \
Kanji.query.count(), Kanji.freq_stats(), Kanji.picked_count()
self.statInfo.setText("Kanji in DB: <b>%d</b> | Max picked: <b>%d</b> | \
Max frequency: <b>%d</b> | Picked at least once: <b>%d</b>" %
(count, max(picked), max(freqs), picked_count))
self.update()
except ValueError:
set.statInfo.setText("No data available yet!")
