On Sat, Apr 11, 2009 at 9:45 PM, Iqbal Abdullah <iq...@marimore.co.jp>wrote:
> > Hi guys, > > In one of our views, we're getting the error below: > > Traceback (most recent call last): > File "/usr/lib/python2.5/site-packages/django/core/servers/ > basehttp.py", line 278, in run > self.result = application(self.environ, self.start_response) > File "/usr/lib/python2.5/site-packages/django/core/servers/ > basehttp.py", line 635, in __call__ > return self.application(environ, start_response) > File "/usr/lib/python2.5/site-packages/django/core/handlers/ > wsgi.py", line 243, in __call__ > response = middleware_method(request, response) > File "/usr/lib/python2.5/site-packages/django/contrib/sessions/ > middleware.py", line 35, in process_response > request.session.save() > File "/usr/lib/python2.5/site-packages/django/contrib/sessions/ > backends/db.py", line 53, in save > session_data = self.encode(self._get_session > (no_load=must_create)), > File "/usr/lib/python2.5/site-packages/django/contrib/sessions/ > backends/base.py", line 88, in encode > pickled = pickle.dumps(session_dict, pickle.HIGHEST_PROTOCOL) > UnpickleableError: Cannot pickle <type 'ImagingCore'> objects > > By outputting debug strings, I've found out that this error occurs > after the view gets read and before the output to the browser. > > 'ImagingCore' here might be referencing to PIL (Python Imaging > Library) images which are stored in memory which are in turn are > stored in one of the objects which are stored into request.session in > this particular view. > > I can confirm that the other parts of the view which does not process > the images are ok. > > Versions used: > Django-1.0.2-final > we're using the development server that comes with django > > So my question is: I'm wodering if there are any restrictions to the > data types which we can store in request.sessions? > > > > As the error message indicates(sort of), the only things that can be put in request.session are things that can be pickled, most things in Django itself can be(things like Querysets). When you have your own objects(or other 3rd party libs) you'll have to make sure those objs can be pickled. Alex -- "I disapprove of what you say, but I will defend to the death your right to say it." --Voltaire "The people's good is the highest law."--Cicero --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
