def __init__(self):
'''@__init__
This constructor is responsible for defining class variables, as well
as starting the redis client, in order to perform corresponding
caching, and uncaching.
'''
# class variables
self.list_error = []
self.myRedis = Redis_Query()
# start redis client
try:
self.myRedis.start_redis()
except Exception, error:
self.list_error.append(str(error))
