web.py在SAE中的Session问题解决方法（使用mysql存储）

#!/usr/bin/env python
# coding: utf-8
import os
import web
import sae
from config.url import urls
from config import settings
 
#是否具有调试功能
web.config.debug = False
# app = web.application(urls, globals()).wsgifunc()
# application = sae.create_wsgi_app(app)
 
#解决Session在SAE中的问题
app = web.application(urls, globals())
 
#将session保存在数据库中
db = settings.db
store = web.session.DBStore(db, 'sessions')
#session = web.session.Session(app, store, initializer={'access_token': 'true'})
session = web.session.Session(app, store)
web.config._session = session
 
application = sae.create_wsgi_app(app.wsgifunc())
url.py
#!/usr/bin/env python
# coding: utf-8
 
pre_fix = 'controllers.'
 
urls = (
 '/', pre_fix + 'todo.Index',
 '/todo/new', pre_fix + 'todo.New',
 '/todo/(\d+)', pre_fix + 'todo.View',
 '/todo/(\d+)/edit', pre_fix + 'todo.Edit',
 '/todo/(\d+)/delete', pre_fix + 'todo.Delete',
 '/todo/(\d+)/finish', pre_fix + 'todo.Finish',
 '/todo/login', pre_fix + 'login.LoginUser',
 '/todo/checkuser',pre_fix+'login.CheckUser',
 '/todo/reset',pre_fix+'todo.reset',
 '/todo/saveupload','mycontrollers.saveupload.SaveUpload'
)
setting.py
#!/usr/bin/env python
# coding: utf-8
import web
import sae.const
#数据库设定
db = web.database(dbn='mysql', user=sae.const.MYSQL_USER, pw=sae.const.MYSQL_PASS, host=sae.const.MYSQL_HOST, port=3307, db=sae.const.MYSQL_DB)
#模板设定
render = web.template.render('templates/', cache=False)
 
config = web.storage(
 email='oooo@qq.com