> No, that's they way it is documented as working. The one-to-one
> field acts as the primary key for the model, and primary keys can't
> be edited. From http://www.djangoproject.com/documentation/model-
> api/#one-to-one-relationships:
>
> This OneToOneField will actually replace the primary key id field
> (since one-to-one relations share the same primary key), and will
> be displayed as a read-only field when you edit an object in the
> admin interface:
Oh, I definitely missed that :)
But:
now I tried this:
item = models.ForeignKey(Article, edit_inline=models.TABULAR,
num_in_admin=1, max_num_in_admin=1 )
in HeaderImage. Now each time some field of Article is changed, a
assigned HeaderImage is deleted.
I doubt, that this is a feature too.
But what is wrong now?
Here my models:
class Article(models.Model):
title = models.CharField(_("Full Name"), maxlength=255)
slug = models.SlugField(_("Slug Name"), prepopulate_from=
("title",), unique=True, help_text=_("This is a short, descriptive
name of the shirt that will be used in the URL link to this item"))
text = models.TextField(_("Text of article"), blank=True,
null=True)
category = models.ManyToManyField(Category, filter_interface=True)
date = models.DateTimeField(auto_now=True)
from django.contrib.auth.models import User
owner = models.ForeignKey(User, blank=True, null=True)
class HeaderImage(models.Model):
"""
A HeaderImage of an Article.
"""
picture = models.ImageField(null=True, upload_to='./
images/',core=True)
item = models.ForeignKey(Article, edit_inline=models.TABULAR,
num_in_admin=1, max_num_in_admin=1 )
def __unicode__(self):
return self.picture
def delete(self):
if not self.picture==None and not self.picture=='':
basename, format = self.picture.rsplit('.', 1)
miniature_folder = os.path.join(s.MEDIA_ROOT, basename
+'/')
if os.path.exists(miniature_folder):
dir = os.getcwd()
os.chdir(miniature_folder)
listdir=os.listdir(miniature_folder)
for i in listdir:
os.remove(i)
os.chdir(dir)
os.removedirs(miniature_folder)
super(HeaderImage,self).delete()
def get_image_url(self):
return '/'+s.MEDIA_URL+self.picture
def get_image_path(self):
return s.MEDIA_ROOT+'/'+self.picture
class Admin:
pass
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