def albumsMostPlayed():
grouped = __groupItemsByKey__(itunesCollection, itunes.KEY_ALBUM)
playTimes = __aggregatePlayTimesForGroups__(grouped)
sortedByPlayTime = sorted(playTimes, key = operator.itemgetter(1))
for item in sortedByPlayTime:
hhmmss = timeutil.millisToHHMMSS(item[1])
print LABEL_ROW_TEMPLATE.format(item[0], hhmmss[0], hhmmss[1], hhmmss[2])
def totalPlayTime():
totalPlayTime = 0
for itunesTrackData in itunesCollection.find({itunes.KEY_PLAY_COUNT : {'$gt':0}}):
trackPlayTime = itunesTrackData[itunes.KEY_TOTAL_TIME] * itunesTrackData[itunes.KEY_PLAY_COUNT]
totalPlayTime += trackPlayTime
totalHhmmss = timeutil.millisToHHMMSS(totalPlayTime)
print LABEL_ROW_TEMPLATE.format('TOTAL', totalHhmmss[0], totalHhmmss[1], totalHhmmss[2])
