Thank you Ivan, Law and Malcolm for the fast, and helpful replies...
problems persist.
I fixed the syntax error in the __repr__ of the Article class, and
while I'm no longer getting "Django blowup errors", there are other
bugs to contend with.
Also, the full path to the upload directory *works* even if a relative
path to the media folder would be better - I don't want to spend time
fix things that aren't broken until the "showstoppers" are addressed.
To clarify the use-case, consider an article like an image gallery,
wherein one article can have more than one image associated with it.
Further it would be helpful if the Article add/edit form could allow
users to add images while adding / editing articles.
For the sake of completeness my entire model is included this time, and
let me say that it all "works" in the sense that it produces no
"exceptions" during usage.
The main issue I'm facing is that the "article image" upload widget(s)
appear on the article add/edit form but the admin system doesn't know
how to ignore these fields when the user doesn't choose images to
upload on every article add/edit. This causes two problems:
1. submitting the article add/edit form without selecting an image for
upload still creates a "stump" record in the db, which has no value for
"the_image", which should be a path to the iamge. If no file was
uploaded, I don't want it to complain either, I just want that field
ignored if empty.
2. submitting the article edit form when images were previously
uploaded: the result is that the previously uploaded images are deleted
(on disk) and the records in the db are also deleted, replaced with
more of the same empty records described in bug #1 (above).
from django.core import meta
from time import strftime
class VolIssue(meta.Model):
display_id = meta.CharField('Vol/Issue', help_text='ie: 2408',
maxlength=4, unique=True)
pub_date = meta.DateField()
def __repr__(self):
return 'Vol %s Issue %s: %s' % (self.display_id[0:2],
self.display_id[2:],
self.pub_date.strftime('%A, %B
%d, %Y'))
class META:
admin = meta.Admin(
list_display = ('display_id','pub_date'),
list_filter = ['pub_date'],
)
class Category(meta.Model):
category_name = meta.CharField('Article Category', maxlength=256)
def __repr__(self):
return self.category_name
class META:
admin = meta.Admin(list_display=('category_name',),)
verbose_name_plural = 'Categories'
class Author(meta.Model):
author_name = meta.CharField(maxlength=256)
def __repr__(self):
return self.author_name
class META:
admin = meta.Admin(list_display=('author_name',),)
class Article(meta.Model):
vol_issue = meta.ForeignKey(VolIssue)
category = meta.ForeignKey(Category)
author = meta.ForeignKey(Author)
article_title = meta.CharField(maxlength=512)
summary = meta.TextField(maxlength=1024, blank=True)
article_body = meta.TextField()
def __repr__(self):
return self.article_title
class META:
admin = meta.Admin(
list_display = ('vol_issue', 'category', 'author',
'article_title'),
list_filter = ['vol_issue'],
)
class ArticleImage(meta.Model):
#article = meta.ForeignKey(Article)
article = meta.ForeignKey(Article, edit_inline=meta.TABULAR,
num_in_admin=1)
image_caption = meta.CharField(maxlength=256, blank=True)
the_image =
meta.ImageField(upload_to='/home/sparky/django_instances/gbtt/media/editorial_u\
ploads/', core=True)
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