On Tue, Jul 12, 2011 at 4:32 AM, garagefan <monkeygar...@gmail.com> wrote:
> simply put, here's my code
>
> class ContentBlock(Orderable, Displayable):
> location = models.ManyToManyField(ContentBlockLocation, blank=True,
> null=True, help_text="list of locations to display content block")
> page = models.ManyToManyField(Page, blank=True, null=True,
> help_text="list of pages to display content block")
> height = models.IntegerField(blank=True, null=True)
> width = models.IntegerField(blank=True, null=True)
>
> def __unicode__(self):
> return self.title
>
>
> class StaticContent(Displayable, RichText):
> content_block = models.ForeignKey(ContentBlock, blank=True,
> null=True)
>
> class StaticContent2(Displayable, RichText):
> content_block = models.ForeignKey(ContentBlock, blank=True,
> null=True)
>
> putting together a template tag that will return all the items
> associated with a given ContentBlock, but i would like to do so
> without knowing upfront all of the classes that have a foreign key to
> ContentBlock as i'll want to be able to add more content types at any
> time
>
Hi. I think something like this is what you need:
obj = ContentBlock(pk=1)
for related in obj._meta.get_all_related_objects():
model = related.model
field = related.field
if related.parent_model == ContentBlock:
for rel_object in model.objects.filter(**{'%s' % (field.name): obj}):
#rel_object is what you want
--
Marc
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