Hello Stephen,
Thanks for the note. I suspected as much. I'm just picking up mezzanine,
so I didn't know if I was doing something backwards or not. I'll keep an
eye out for the next release.
FWIW, what I've seen so far is pretty slick. Thanks so much for building
this!
David
On Sunday, December 22, 2013 9:28:07 PM UTC-5, Stephen McDonald wrote:
>
> You're hitting these issues because you're using Mezzanine 1.4.16, which
> is 3 months old, predates the release of Django 1.6, and explicitly defines
> its highest supported Django version as 1.5.x.
>
> The current development branch of Mezzanine aims to be fully compatible
> with Django 1.6 and doesn't exhibit the issue you've described, so this
> will be fixed for you when the next release is made, which will happen as
> soon as time permits.
>
>
>
>
>
> On Mon, Dec 23, 2013 at 4:05 AM, David Zwarg <david...@gmail.com<javascript:>
> > wrote:
>
>> Hello list,
>>
>> I am trying to create a new content type for my own type of page, and I
>> am running into problems with newest django. I don't know if the problem
>> I'm facing is in mezzanine itself, south, or django, so please redirect me
>> to the right group if this is completely off-topic.
>>
>> I re-created the problem by starting a brand new mezzanine application,
>> and adding a new app "myapp". My 'pip freeze' contains Django==1.5.5 and
>> south==0.8.4. Before I do anything, I create an initial migration for
>> "myapp":
>>
>> ./manage.py schemamigration myapp --initial
>>
>> I then modify my models file to create a new content type based on the
>> Page base model:
>>
>> from mezzanine.pages.models import Page
>>
>> # Create your models here.
>> class MyPage(Page):
>> pass
>>
>> Running an auto migration generates a migration that creates this table:
>>
>> ./manage.py schemamigration myapp --auto
>>
>> Predictably, the only thing in the table is a pointer to the ancestor
>> content type. All good (this is the 'forwards' portion of the migration:
>>
>> def forwards(self, orm):
>> # Adding model 'MyPage'
>> db.create_table(u'myapp_mypage', (
>> (u'page_ptr',
>> self.gf('django.db.models.fields.related.OneToOneField')(to=orm['pages.Page'],
>>
>> unique=True, primary_key=True)),
>> ))
>> db.send_create_signal(u'myapp', ['MyPage'])
>>
>> However, if I use django 1.6.1:
>>
>> pip install -U django
>>
>> I move the second migration out of the way, and re-run the schema
>> migration:
>>
>> ./manage.py schemamigration myapp --auto
>>
>> I now get an additional field ('keywords_string') in my derived model
>> table, which begins to cause problems:
>>
>> def forwards(self, orm):
>> # Adding model 'MyPage'
>> db.create_table(u'myapp_mypage', (
>> (u'page_ptr',
>> self.gf('django.db.models.fields.related.OneToOneField')(to=orm['pages.Page'],
>>
>> unique=True, primary_key=True)),
>> ('keywords_string',
>> self.gf('django.db.models.fields.CharField')(max_length=500,
>> blank=True)),
>> ))
>> db.send_create_signal(u'myapp', ['MyPage'])
>>
>> When I try to run this migration, I get the following error from
>> "./manage.py migrate myapp":
>>
>> django.core.exceptions.FieldError: Local field 'keywords_string' in class
>> 'MyPage' clashes with field of similar name from base class 'Page'
>>
>> And if I try to do something sneaky, like remove the field from the
>> migration manually, it causes more problems. I am able to successfully run
>> the migration with 'keywords_string" manually removed from the migration
>> script, but when I try to run the app and access the admin ("
>> http://localhost:8000/admin/pages/page/";), I get the error:
>>
>> OperationalError at /admin/pages/page/
>>
>> no such column: pages_richtextpage.keywords_string
>>
>>
>> Any advice is greatly appreciated. I'm unfortunately not able to use
>> django-1.5.5, so I need to be able to perform this in 1.6.1. Any tips?
>>
>> Thanks,
>> David
>>
>>
>>
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>
>
>
> --
> Stephen McDonald
> http://jupo.org
>
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