Pardon me. I incorrectly followed the suggestion, should have been the following in admin.py:
admin.site.register(Book) admin.site.register(Author) admin.site.register(Publisher) What is the difference between this and, say, class BookAdmin(admin.ModelAdmin): pass admin.site.register(Book, BookAdmin) When I entered just this class, it worked for me the first time around, though later adding more fields I still do not understand what provoked that error. Thanks for helping me get it running at any rate! On Dec 3, 4:39 am, djan <[EMAIL PROTECTED]> wrote: > Thanks for the replies. I restarted the dev server (and even my x > session). > I first tried: > > class BookAdmin(admin.ModelAdmin): > pass > #admin.site.register(Book, BookAdmin) > > class AuthorAdmin(admin.ModelAuthor): > pass > #admin.site.register(Author, AuthorAdmin) > > class PublisherAdmin(admin.ModelPublisher): > pass > #admin.site.register(Publisher, PublisherAdmin) > > And received the following error: > AttributeError: 'module' object has no attribute 'ModelAuthor' > > I then tried the second suggestion: > #class BookAdmin(admin.ModelAdmin): > # pass > admin.site.register(Book, BookAdmin) > > #class AuthorAdmin(admin.ModelAuthor): > # pass > admin.site.register(Author, AuthorAdmin) > > #class PublisherAdmin(admin.ModelPublisher): > # pass > admin.site.register(Publisher, PublisherAdmin) > > And receive the error: > File "$HOME/djcode/mysite/books/admin.py", line 6, in <module> > admin.site.register(Book, BookAdmin) > NameError: name 'BookAdmin' is not defined > > Any other thoughts? > > On Dec 2, 10:21 am, "please smile" <[EMAIL PROTECTED]> wrote: > > > hi, > > > class BookAdmin(admin.ModelAdmin): > > pass > > # admin.site.register(Book, BookAdmin) > > > Just put '#' in front of admin.site.register(Book, BookAdmin) .Now run the > > server ,if it s ok then remove the # > > > On Tue, Dec 2, 2008 at 12:47 PM, Roland van Laar <[EMAIL PROTECTED]> wrote: > > > > djan wrote: > > > > Hello. > > > > > I'm following along with djangobook.com and trying to make necessary > > > > changes to port django to version 1.0. In Django's Site > > > > Administration, chapter 6, I run into the error: > > > > > Exception Type: AlreadyRegistered > > > > Exception Value: The model Book is already registered > > > > Exception Location: /usr/local/lib64/python2.5/site-packages/django/ > > > > contrib/admin/sites.py in register, line 64 > > > > Probably: > > > Try to restart the django development server. > > > The django dev server doesn't reload the admin.py file properly when it's > > > edited or when it encounters an error in that file. > > > > > I used the site administration site successfully with just "Book", and > > > > then when I attempted to add the other models (Auther, Publisher), I > > > > received the above error. > > > > > in admin.py I have: > > > > > from django.contrib import admin > > > > from models import Book, Author, Publisher > > > > On another note, you don't have to do this: > > > > > class BookAdmin(admin.ModelAdmin): > > > > pass > > > > admin.site.register(Book, BookAdmin) > > > > admin.site.register(Book) > > > > would suffice. > > > > > class AuthorAdmin(admin.ModelAuthor): > > > > pass > > > > admin.site.register(Author, AuthorAdmin) > > > > > class PublisherAdmin(admin.ModelPublisher): > > > > pass > > > > admin.site.register(Publisher, PublisherAdmin) > > > > > When I updated admin.py I ran: > > > > python manage.py syncdb > > > > > It is as if the database wasn't "synced" though, and that two > > > > instances of this model are trying to be created. > > > > > When I searched around for this error, I found instances of this > > > > occuring in 0.96, with the model being called several times. The Admin > > > > changes in 1.0 were said to resolve this, so perhaps it is something > > > > else. > > > > > I appreciate any help. Thanks! > > > > Regards, > > > > Roland --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
