When you need the partitions.. for CONCATENATE in Hive or other operations

hive-partitions-generator.py

import datetime
today = datetime.datetime.today()
# redefine parameters
days_delta = 365
month_partiton = 'month'
day_partition = 'day'

date_range = [today - datetime.timedelta(days=x) for x in range(0, days_delta)]
# pairs of ('YYYYMM', 'DD')
partitions = [(str(d.year*100+d.month), str(100+d.day)[1:])  for d in date_range ]
for m, d in partitions:
  print 'month={0}/day={1}'.format(m, d)
  # print "PARTITION (month='{0}', day='{1}')".format(m, d)