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Create django permissions error: ContentType compliance request does not exist

I am trying to add two groups and give them permissions for my Django project. But I keep getting the error:

ContentType compliance request does not exist.

I run: Django 1.5.4 Python 2.7.3 South 0.8.2 PostreSQL 9.3

Here is my code:

import django
from django.contrib.auth.models import Group, Permission
from django.contrib.contenttypes.models import ContentType 

from .models import Flavor

def add_groups():
    # Create User Groups
    special_users = Group(name='Special Users')
    special_users.save()
    really_special_users = Group(name='Super Special Users')
    really_special_users.save()

def add_permissions():
    # Define a View permission for the 1st group, and a View/Modify permission for the 2nd group
    somemodel_ct = ContentType.objects.get(app_label='flavors', model='flavors_flavor')
    can_view = Permission(name='Can View', codename='can_view_something', content_type=somemodel_ct)
    can_view.save()
    can_modify = Permission(name='Can Modify', codename='can_modify_something', content_type=somemodel_ct)
    can_modify.save()

def give_perm_to_groups():
    # Associate these two permissions now with a Group
    special_users.permissions.add(can_view)
    really_special_users.permissions = [can_view, can_modify]

I can run add_groups () perfectly. Add_permissions () is working now. I believe this is due to the gadgets in Postgres, but not sure how to add them, or if this is the exact problem?

thanks

That's the whole error tracing:

>>> add_permissions()
Traceback (most recent call last):
  File "<console>", line 1, in <module>
  File "/Users/Yuki_Aaron/Documents/djcode/demoproject/flavors/groups.py", line 16, in add_permissions
    somemodel_ct = ContentType.objects.get(app_label='flavors', model='flavors_flavor')
  File "/Users/Yuki_Aaron/Documents/virtualenvs/django1.5/lib/python2.7/site-packages/django/db/models/manager.py", line 143, in get
    return self.get_query_set().get(*args, **kwargs)
  File "/Users/Yuki_Aaron/Documents/virtualenvs/django1.5/lib/python2.7/site-packages/django/db/models/query.py", line 404, in get
    self.model._meta.object_name)
DoesNotExist: ContentType matching query does not exist.
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2 answers

The first thing I had to do was change somemodel_ctto:

somemodel_ct = ContentType.objects.get(app_label='flavors', model='flavor')

-, - , , django.contrib.auth.models.... Permission Group , ContentType. , models.py, :

class Flavor(models.Model):
...
    class Meta:
            permissions = (
                ('can_view', 'Can View'),
                ('can_modify', 'Can Modify'),
            )

, Flavor Permission. ContentType: no matching query, class Meta: permissions Flavor.

!

+1

:

somemodel_ct = ContentType.objects.get(app_label='flavors', model='flavors_flavor')

:

somemodel_ct = ContentType.objects.get(app_label='flavors', model='flavor')

,

+2

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