On Fri, 2006-08-11 at 10:50 +0200, Mario Graziosi wrote:
> I have a tough problem representing my data model
> with Django when using the standard Admin Interface.
>
> I need to represent the concept of a callgroup: a list
> of items (either persons or, again, callgroups) to
> which phone calls should be dispatched in a given sequence.
> The model is illustrated at the end of this mail.
>
> However, when I try to use the Admin interface it seems to get
> confused:
>
> 1. If I set editable=False in callgroup_owner the Admin interface
> gets confused because there are two foreign keys from CallgroupItem
> to Callgroup: callgroup_owner and callgroup_member. In fact the
> Admin interface shows a TABULAR list of Callgroup items and, also,
> a STACKED list (however, only one should be shown).
>
> 2. If I set editable=True in callgroup_owner when I try to Add a new
> callgroup I get KeyError exception with the following offending
> template line:
>
> {% for related_object in inline_related_objects %} ...
>
> I'm using version 0.96-pre of Django.
>
> It seems that Django has some serious restrictions when there are
> two foreign keys pointing to the same Model and one of them has
> the edit_inline attribute set.
>
> Does anyone have any idea of if/what I'm doing wrong? Is this a bug in
> Django and I should report it?
It's a bug, I'm pretty sure. There are some similar sounding bugs in the
ticket tracker from memory, but you have a pretty good example and clear
explanation here, so if you could file those into a ticket that would be
most helpful.
I must admit that I've been putting off looking at that particular group
of bugs because they sound unpleasant to fix and that part of the code
makes my brain hurt. But we're starting to get a collection of them now.
Might be time to suck it up and fix them.
Malcolm
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