You don't give us enough explanation about your error.
What type of error have you got ?
What is your orig variable ?
How do you serialize your Q object ?
Are you sure that a Q object can be instantiated like that ?
Frédéric
2009/7/21 Margie <margierogin...@yahoo.com>:
>
> I have a situation where I want to do the following:
> take a bunch of POST params and from them create a Q object
> urlencode that Q object and turn it into a GET param, redirect
> using that param
> process the GET that contains the urlencoded Q object, create a
> Q object from it, and use it in a filter
>
>
> I think this should all be possible, however, I am having trouble
> recreating the new Q object from the string representation of the
> original Q object. Here's an example of the problem:
>
>>>> filter_orig = Q(owner__username='mlevine')
>>>> print filter_orig
> (AND: ('owner__username', 'mlevine'))
>>>> filter_new = Q("%s" % orig)
>>>> print filter_new
> (AND: (AND: ('owner__username', 'mlevine')))
>>>> Task.objects.filter(filter_orig)
> [<Task: T1>, <Task: run initial timing>]
>>>> Task.objects.filter(filter_new)
> Traceback (most recent call last):
> ...
> File "/home/mlevine/django/django_libs/django-admin-ui-july8/lib/
> python2.6/site-packages/django/db/models/sql/query.py", line 1520, in
> add_filter
> arg, value = filter_expr
>
>
> Note that in the above log, when I print filter_new, there is an extra
> AND at the front. Logically this shouldn't be be a problem, but I
> suspect that it is indicative of the problem.
>
> Is what I'm doing above supposed to work? Is this a bug?
>
> This is using 1.1 beta.
>
> Margie
>
>
>
> >
>
--
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