Hi Leonardo, thanks for your answer. Yes, it has been synced.
The model itself is a little bit bigger, as you can notice from the code https://dpaste.de/c3Rg I am using as well the News model from https://github.com/wildfish/cmsplugin_news/blob/master/cmsplugin_news/models.py Regards, Roberto On 10/02/2013 03:45 PM, Leonardo Giordani wrote: > Are you sure your DB has been synced after putting the > ForeignKey(News) in your Department model? > Can you post somewhere the following models: News, OldNews, Department? > > Regards, > > Leo > > Leonardo Giordani > Author of The Digital Cat <http://lgiordani.github.com> > My profile on About.me <http://about.me/leonardo.giordani> - My GitHub > page <https://github.com/lgiordani> - My Coderwall profile > <https://coderwall.com/lgiordani> > > > 2013/10/2 Roberto López López <roberto.lo...@uni.no > <mailto:roberto.lo...@uni.no>> > > Hi, > > I am extending a 3rd party model in my application, using > multi-table inheritance. I can create an instance and modify it, > but when I try to list the created objects at > http://localhost:8000/en/admin/news/news/ , I am getting a nice > exception: > > Traceback: > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/core/handlers/base.py" > in get_response > 140. response = response.render() > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/response.py" > in render > 105. self.content = self.rendered_content > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/response.py" > in rendered_content > 82. content = template.render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/base.py" > in render > 140. return self._render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/base.py" > in _render > 134. return self.nodelist.render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/base.py" > in render > 830. bit = self.render_node(node, context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/debug.py" > in render_node > 74. return node.render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/loader_tags.py" > in render > 124. return compiled_parent._render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/base.py" > in _render > 134. return self.nodelist.render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/base.py" > in render > 830. bit = self.render_node(node, context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/debug.py" > in render_node > 74. return node.render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/loader_tags.py" > in render > 124. return compiled_parent._render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/base.py" > in _render > 134. return self.nodelist.render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/base.py" > in render > 830. bit = self.render_node(node, context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/debug.py" > in render_node > 74. return node.render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/loader_tags.py" > in render > 63. result = block.nodelist.render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/base.py" > in render > 830. bit = self.render_node(node, context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/debug.py" > in render_node > 74. return node.render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/loader_tags.py" > in render > 63. result = block.nodelist.render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/base.py" > in render > 830. bit = self.render_node(node, context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/debug.py" > in render_node > 74. return node.render(context) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/template/base.py" > in render > 1185. _dict = func(*resolved_args, > **resolved_kwargs) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/contrib/admin/templatetags/admin_list.py" > in result_list > 286. 'results': list(results(cl))} > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/contrib/admin/templatetags/admin_list.py" > in results > 264. yield ResultList(None, items_for_result(cl, > res, None)) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/contrib/admin/templatetags/admin_list.py" > in __init__ > 256. super(ResultList, self).__init__(*items) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/contrib/admin/templatetags/admin_list.py" > in items_for_result > 219. url = cl.url_for_result(result) > File > > "/home/roberto/.virtualenvs/ve_news/local/lib/python2.7/site-packages/django/contrib/admin/views/main.py" > in url_for_result > 380. pk = getattr(result, self.pk_attname) > > Exception Type: AttributeError at /en/admin/news/news/ > Exception Value: 'News' object has no attribute 'news_ptr_id' > > My News model is extending another model using multiple table > inheritance. > > class News(OldNews): > departments = models.ManyToManyField(Department, > blank=True, related_name='news') > objects = models.Manager() > class Meta: > verbose_name_plural = _('news') > ordering = ('-pub_date', ) > > I can't understand the reason for this error. Can anyone enlighten > me please? > > Roberto > > > -- > You received this message because you are subscribed to the Google > Groups "Django users" group. > To unsubscribe from this group and stop receiving emails from it, > send an email to django-users+unsubscr...@googlegroups.com. > To post to this group, send email to django-users@googlegroups.com. > Visit this group at http://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/524C159D.8020201%40uni.no. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- > You received this message because you are subscribed to the Google > Groups "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send > an email to django-users+unsubscr...@googlegroups.com. > To post to this group, send email to django-users@googlegroups.com. > Visit this group at http://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/CAEhE%2BOkqZkwyR92m3DZATfoCA9bMVm8mT387oqw%3DM66F6-8EQw%40mail.gmail.com. > For more options, visit https://groups.google.com/groups/opt_out. -- Roberto López López System Developer Parallab, Uni Computing +47 55584091 -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. Visit this group at http://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/524C27DF.8090005%40uni.no. For more options, visit https://groups.google.com/groups/opt_out.
