from tornado import ioloop,gen
from tornasess  import SessionCacheFactory

config = {
   "host":"localhost",
   "port":6379,
}
sess_fac = SessionCacheFactory("redis", config)

# or
# config = {
#      "host":["192.168.0.1","192.168.0.2"],
#      "port":[4000,5000]
# }
# sess_fac = SessionCacheFactory("memcache", config)
#
#
# or
# config = {"root":"/tmp"}
# sess_fac = SessionCacheFactory("disk", config)
#

session = sess_fac.get_session()

yield session.start()
session['name'] = 'xxxxx'
session.set("age",100)
session.multi_set({"address":"xxxx","sex":"xxx"})
yield session.end(expires=3600)

session_id = "GU3ZTM2YTA5ZWViNDE4MTgzM2Q3MzhhMjdjY2IyOWU="
yield session.start(session_id)
session['name']
session.get('name')
session.multi_get(['address','age','name'])
session.all()
#check session field existence
print('name' in session)
#get session id
session.session_id

#Note here!!
#   if you don't make change to session data,
#   it's not necessary to call 'session.end()'

session_id = "GU3ZTM2YTA5ZWViNDE4MTgzM2Q3MzhhMjdjY2IyOWU="
yield session.start(session_id)
session.delete("name")
del session['age']
yield session.end()

session_id = "GU3ZTM2YTA5ZWViNDE4MTgzM2Q3MzhhMjdjY2IyOWU="
yield session.start(session_id)
session.destroy()
yield session.end()

# after you used session ,you can cache it to cache factory
sess_fac.cache(session)