mongo_key_combination_counts.py

from events import events
import pprint
import operator
import collections
import datetime

secs = 24*60*60*15
now = int(datetime.datetime.now().strftime("%s"))
first_epoch = now - secs

last_15 = list(events.find({'epochtime': {'$gt': first_epoch}}))

lists = [frozenset(l.keys()) for l in last_15]

most_common = collections.Counter(lists)

sorted_x = sorted(most_common.iteritems(), key=operator.itemgetter(1))

for num, ourset in sorted_x:
    print num