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Editorial Team
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Asked: 2026-05-21T07:39:57+00:00

I am familiar with assigning, creating cookies in Python. But I am unsure how

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I am familiar with assigning, creating cookies in Python. But I am unsure how to create a cookie that will last until the current browser session is closed(so I have a very rudimentary way of telling when the user is returning to my website).

So which cookie header do I set to make sure the cookie will expire/delete when the browser is closed in Python? Do I use the SimpleCookie object or another object for this?

This thread says I set the cookie_lifetime flag/header in PHP, but what about for python? http://bytes.com/topic/php/answers/595383-how-declare-cookie-will-destroy-after-browser-closed

Would this create a cookie that expires on closing of the browser?

cookie  = Cookie.SimpleCookie()
cookie["test"] = "MYTEST"
cookie["test"]['expires'] = 0 # or shd I set the max-age header instead?
print str(cookie) + "; httponly"
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1 Answer

  1. Editorial Team

    Just leave out the "expires" value altogether, i.e. don’t set it to anything. See the Wikipedia entry for details:

    Set-Cookie: made_write_conn=1295214458; path=/; domain=.foo.com

    […]

    The second cookie made_write_conn does not have expiration date, making it a session cookie. It will be deleted after the user closes his/her browser

    In Python:

    In [11]: from Cookie import SimpleCookie

In [12]: c = SimpleCookie()

In [13]: c['test'] = 'MYTEST'

In [14]: print c
Set-Cookie: test=MYTEST
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