gistfile1.txt

Environment:


Request Method: GET
Request URL: https://www.fsmpi.rwth-aachen.de/lerngruppen/admin/frontend/offering/1/

Django Version: 1.4.2
Python Version: 2.6.6
Installed Applications:
('django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.sites',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django.contrib.humanize',
 'django.contrib.admin',
 'widget_tweaks',
 'south',
 'frontend')
Installed Middleware:
('django.middleware.common.CommonMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware')


Traceback:
File "/usr/lib/python2.6/dist-packages/django/core/handlers/base.py" in get_response
  111.                         response = callback(request, *callback_args, **callback_kwargs)
File "/usr/lib/python2.6/dist-packages/django/contrib/admin/options.py" in wrapper
  366.                 return self.admin_site.admin_view(view)(*args, **kwargs)
File "/usr/lib/python2.6/dist-packages/django/utils/decorators.py" in _wrapped_view
  91.                     response = view_func(request, *args, **kwargs)
File "/usr/lib/python2.6/dist-packages/django/views/decorators/cache.py" in _wrapped_view_func
  89.         response = view_func(request, *args, **kwargs)
File "/usr/lib/python2.6/dist-packages/django/contrib/admin/sites.py" in inner
  196.             return view(request, *args, **kwargs)
File "/usr/lib/python2.6/dist-packages/django/utils/decorators.py" in _wrapper
  25.             return bound_func(*args, **kwargs)
File "/usr/lib/python2.6/dist-packages/django/utils/decorators.py" in _wrapped_view
  91.                     response = view_func(request, *args, **kwargs)
File "/usr/lib/python2.6/dist-packages/django/utils/decorators.py" in bound_func
  21.                 return func(self, *args2, **kwargs2)
File "/usr/lib/python2.6/dist-packages/django/db/transaction.py" in inner
  209.                 return func(*args, **kwargs)
File "/usr/lib/python2.6/dist-packages/django/contrib/admin/options.py" in change_view
  1063.             for FormSet, inline in zip(self.get_formsets(request, obj), inline_instances):
File "/usr/lib/python2.6/dist-packages/django/contrib/admin/options.py" in get_formsets
  507.             yield inline.get_formset(request, obj)
File "/usr/lib/python2.6/dist-packages/django/contrib/contenttypes/generic.py" in get_formset
  492.         return generic_inlineformset_factory(self.model, **defaults)
File "/usr/lib/python2.6/dist-packages/django/contrib/contenttypes/generic.py" in generic_inlineformset_factory
  439.     ct_field = opts.get_field(ct_field)
File "/usr/lib/python2.6/dist-packages/django/db/models/options.py" in get_field
  293.         raise FieldDoesNotExist('%s has no field named %r' % (self.object_name, name))

Exception Type: FieldDoesNotExist at /admin/frontend/offering/1/
Exception Value: Reply has no field named 'content_type'

gistfile2.txt

from django.contrib import admin
from django.contrib.contenttypes import generic
from frontend.models import *

admin.site.register(ModulTag)
admin.site.register(OrtTag)
admin.site.register(Reply)
admin.site.register(Notification)

class ReplyInline(generic.GenericTabularInline):
    model = Reply

class OfferingAdmin(admin.ModelAdmin):
    inlines = [
        ReplyInline,
    ]

admin.site.register(Offering, OfferingAdmin)

from django.contrib.sessions.models import Session
admin.site.register(Session)

gistfile3.txt

# -*- coding: utf-8 -*-
from django.db import models
from django.contrib.sessions.models import Session
from django.contrib.auth.models import User
# Create your models here.

class AbstractTag(models.Model):
    text = models.CharField(max_length=60)
    
    def __unicode__(self):
        return u"#{text}".format(text=self.text)
    
    class Meta:
        abstract = True
        ordering = ['text']

class ModulTag(AbstractTag):
    pass
    
class OrtTag(AbstractTag):
    pass

class Message(models.Model):
    body = models.TextField()
    creator = models.ForeignKey(User, blank=True, null=True)
    creatorDisplayName = models.CharField(max_length=60)
    created = models.DateTimeField(auto_now_add=True)
    
    class Meta:
        abstract = True
        ordering = ['created']
        
    def __unicode__(self):
        return u"{name}: {body}".format(
            name=self.creatorDisplayName, 
            body= self.body[:30] + u'…' if len(self.body) > 30 else self.body
        )

class Offering(Message):
    modulTag = models.ForeignKey(ModulTag)
    ortTag = models.ForeignKey(OrtTag)
    expiry = models.DateField()
    closed = models.BooleanField(default=False)
    
    def __unicode__(self):
        return u"Offering: {super} ({count}) {modulTag} {ortTag}".format(
            super=super(Offering, self).__unicode__(), 
            count=self.reply_set.count(),
            modulTag=self.modulTag, 
            ortTag=self.ortTag
        )
    
class Reply(Message):
    offering = models.ForeignKey(Offering)
    
class Notification(models.Model):
    email = models.EmailField()
    offering = models.ForeignKey(User)
    user = models.ForeignKey(Offering, blank=True, null=True)
    
    def __unicode__(self):
        return u'Notification mail: {mail}, offer: {offer}'.format(
            mail = self.email,
            offer = self.offering
        )