On Monday, March 14, 2016 at 10:08:34 PM UTC+1, Anthony wrote:
>
> On Monday, March 14, 2016 at 4:14:42 PM UTC-4, Alex wrote:
>>
>> no, I don't have response.toolbar in my view. The issue should be
>> reproducible with the code snippet above - assuming you are logged in and
>> have a membership (i.e. auth.user_groups has at least one item).
>>
>
> It's true that you code does result in the two pickles not being
> equivalent. However, at least for me, merely iterating over
> auth.user_groups does *not* result in the session file being overwritten
> on each request. However, the session file is overwritten on each request
> when response.toolbar() is included (more specifically, when
> BEAUTIFY(session) is serialized in the view -- no idea why that has an
> effect, though).
>
> Anthony
>
If the two pickles are different it should result in the session being
written. If you try this code:
if auth.user_id:
import cPickle as pickle
unchanged1 = session._unchanged(response)
session_pickled1 = pickle.dumps(session, pickle.HIGHEST_PROTOCOL)
for role in auth.user_groups.itervalues():
continue
session_pickled2 = pickle.dumps(session, pickle.HIGHEST_PROTOCOL)
eq = (session_pickled1 == session_pickled2)
unchanged2 = session._unchanged(response)
unchanged1 should be True and unchanged2 False. And if the session is not
unchanged it will be written (gluon/globals.py), depending on the session
type. E.g. in _try_store_in_file for file sessions there is the following
check
if (not response.session_id or self._forget
or self._unchanged(response)):
which returns False, thus the session will be written
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