def main():
conf.init_cnf()
order = Order()
conn = MySQLdb.connect(host=mysql_cnf['host'],
port=int(mysql_cnf['port']),
user=mysql_cnf['user'],
passwd=mysql_cnf['passwd'],
db=mysql_cnf['db'],
connect_timeout=3,
local_infile=1)
mysql_read_order(order, conn)
sim = Sim(order)
logger.info('Calculate user similarity ...')
sim.user_based()
logger.info('Calculate item similarity ...')
sim.item_based()
mysql_write_sim(sim, conn)
