I just saw the source of all my problems.
This is the code for the Article class:
class Article(models.Model):
"""This class defines an Article, with links to:
- a Magazine,
- a Section (which depends on the Magazine), and
- an Issue (which also depends on the Magazine)"""
def __
Sorry, I forgot to actually *ask* the question. :)
I'm able to get a list of Sections related to 'Linux Magazine', for
example, with:
validsections = magazine.section_set.all()
This returns this list:
[, ] # (so far I've created only
these 2 sections)
Is there a method to restrict the choices
It did help. Thank you very much.
But the situation has changed already. :\
I'd like the Admin pages to show me only the Sections and Issues that
make sense for the Magazine I choose from the selectbox.
So, this is how my model is (sort of):
I have a Magazine class, an Issue class and a Section
Suppose that you have a Section model that has a foreign key to
Magazine, and the field in the Section model is called magazine. You
can then do something like this once you get the section:
s = Section.objects.select_related.get()
s.magazine.id will return the id of the magazine, if it has a
I'm now building an online magazine website. Each magazine has the same
set of sections. And every article belongs to one and only one section.
So, the Article class has a ForeignKey(Section) line.
So far, so good (I guess). :)
But there are actually 2 magazines, each with its own group of
sect
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