Just have a quick question on how to do this properly. I've read through a
lot of the documentation but I am still a little stuck. Using a brand new
mezzanine-project I am attempting to add a field to a blog post by
subclassing BlogPost.
Here's how my code is set up:
# myapp/models.py
from django.db import models
from mezzanine.blog.models import BlogPost
class ExtendedBlogPost(BlogPost):
boolean_field = models.BooleanField(verbose_name=("A Boolean Field"),
default=True)
I can migrate and the field is added successfully:
$ python manage.py makemigrations
Migrations for 'theme':
0001_initial.py:
- Create model ExtendedBlogPost
However the problem is when I try to register the field in the admin, like
this:
# myapp/admin.py
from copy import deepcopy
from django.contrib import admin
from mezzanine.blog.admin import BlogPostAdmin
from mezzanine.blog.models import BlogPost
blog_fieldsets = deepcopy(BlogPostAdmin.fieldsets)
blog_fieldsets[0][1]["fields"].insert(-2, "boolean_field")
class MyBlogPostAdmin(BlogPostAdmin):
fieldsets = blog_fieldsets
admin.site.unregister(BlogPost)
admin.site.register(BlogPost, MyBlogPostAdmin)
I am getting this error when trying to view admin/blog/blogpost/
Unknown field(s) (boolean_field) specified for BlogPost. Check
fields/fieldsets/exclude attributes of class MyBlogPostAdmin.
Thanks!
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