def init_game_level(cls, max_level=69):
dbconn = DBConnection(conf.DB_GAME_INFO)
cursor = dbconn.get_cursor()
if not cursor:
cursor = {}
if 'level_info' not in cursor.keys():
cursor['level_info'] = {}
level_info = cursor['level_info']
level_info['max_level'] = max_level
level_info['levels'] = []
for level in xrange(max_level):
level_info['levels'].append(Util.__calc_level_exp(level+1))
dbconn.write_back(cursor)
