#3914: Self-referencing keys in the list_display kills development server with
no
error thrown
-------------------------------------------+--------------------------------
Reporter: [EMAIL PROTECTED] | Owner: adrian
Status: new | Component: Admin
interface
Version: SVN | Resolution:
Keywords: self-reference list_display | Stage: Unreviewed
Has_patch: 0 | Needs_docs: 0
Needs_tests: 0 | Needs_better_patch: 0
-------------------------------------------+--------------------------------
Changes (by adrian):
* needs_better_patch: => 0
* needs_tests: => 0
* needs_docs: => 0
Old description:
> If you use this model:
>
> class Page(models.Model):
> title = models.CharField(maxlength=192)
> default = models.BooleanField()
> template = models.CharField(maxlength=256)
> parent = models.ForeignKey('Page')
> sequence = models.IntegerField()
> visible_on_menu = models.BooleanField()
> defined_header = models.CharField(maxlength=256)
> date_of_creation = models.DateTimeField()
> class Admin:
> list_display = ['title','parent','visible_on_menu']
>
> And try to go to the model in the admin interface, the development server
> just dies. There is no error, it just goes back to a command prompt
> waiting.
>
> This model is to be used for a newforms-like setup that can have
> parent/child pages for building heirarchical navigation menus - and it
> will be handy to see the parent in the display.
New description:
If you use this model:
{{{
#!python
class Page(models.Model):
title = models.CharField(maxlength=192)
default = models.BooleanField()
template = models.CharField(maxlength=256)
parent = models.ForeignKey('Page')
sequence = models.IntegerField()
visible_on_menu = models.BooleanField()
defined_header = models.CharField(maxlength=256)
date_of_creation = models.DateTimeField()
class Admin:
list_display = ['title','parent','visible_on_menu']
}}}
And try to go to the model in the admin interface, the development server
just dies. There is no error, it just goes back to a command prompt
waiting.
This model is to be used for a newforms-like setup that can have
parent/child pages for building heirarchical navigation menus - and it
will be handy to see the parent in the display.
Comment:
(Fixed formatting in description.)
--
Ticket URL: <http://code.djangoproject.com/ticket/3914#comment:1>
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