我关注了webapp2会话文档:http://webapp-improved.appspot.com/api/webapp2_extras/sessions.html。
BaseHandler
有一个类方法check_cls_login
,我需要检查会话密钥"登录"是否存在。我尝试self.session.get("login")
,但它返回错误:AttributeError: 'cached_property' object has no attribute 'get'
。
还定义了一个名为check_login
&的函数。它还会返回错误:AttributeError: 'MainHandler' object has no attribute 'session_store'
Base.py
import webapp2
from webapp2_extras import sessions
class BaseHandler(webapp2.RequestHandler):
def dispatch(self):
# Get a session store for this request.
self.session_store = sessions.get_store(request=self.request)
try:
# Dispatch the request.
webapp2.RequestHandler.dispatch(self)
finally:
# Save all sessions.
self.session_store.save_sessions(self.response)
@webapp2.cached_property
def session(self):
# Returns a session using the default cookie key.
return self.session_store.get_session()
def check_cls_login(self):
# Check whether session key "login" is exist or not
value = self.session.get("login")
def check_login(cls):
# Check whether session key "login" is exist or not
value = cls.session.get("login")
Main.py
from Base import BaseHandler
class MainHandler(BaseHandler):
def __init__(self, request, response):
super(BaseHandler, self).__init__(request, response)
BaseHandler.check_cls_login() # AttributeError: 'cached_property' object has no attribute 'get'
self.check_cls_login() # AttributeError: 'cached_property' object has no attribute 'get'
check_login(self) # AttributeError: 'MainHandler' object has no attribute 'session_store'
答案 0 :(得分:1)
而不是BaseHandler.check_login()
您应该self.check_login()
。
check_login不应该是一种类方法。