python - Flask - How to get a cookie expiration time? -

i'd know how can expiration time of flask cookie. setting it, have following code:

resp.set_cookie('id', my_id             expires = current_time + current_time + datetime.timedelta(days=30)) 

however, having difficulties getting value back.

i think cannot, according microsoft's explanation of how ordinary browsers work.

the browser responsible managing cookies, , cookie's expiration time , date browser manage store of cookies. therefore, although can read name , value of cookie, cannot read cookie's expiration date , time

https://msdn.microsoft.com/en-us/library/ms178194(v=vs.100).aspx

a question "how cookie's expire time" refers same problem, , way of putting expiration date cookie's value shown in 1 of answers.