So, I'm trying to extend the Tag-model in tagging.models the following
way:
from django.db import models
from tagging.models import Tag
class TagContext(models.Model):
context = models.ForeignKey( Tag, unique=True,
related_name='context' )
parent = models.ForeignKey( Tag, related_name='children_set')
def __unicode__(self):
return context.name
If I create two tags:
tag1 = Tag(name='tag1')
tag1.save()
tag2 = Tag(name='tag2')
tag2.save()
followed by a a TagContext:
ctx = TagContext(context=tag2, parent=tag1)
ctx.save()
I can easily reference both 'parent' and 'context':
>>> ctx.context
<Tag: tag1>
>>> ctx.parent
<Tag: tag2>
but I can't go from a tag to context:
>>>ctx1 = tag1.context
>>>ctx
<django.db.models.fields.related.RelatedManager object at 0x1015a5c90>
What am I doing wrong? Shouldn't the 'unique=True' make this sort of
like a onetoone thing (which I was told you should be using instead of
a OneToOne for some reason)? Or is there an other way of doing this.
PS: The tagging.models.Tag has a field called 'parent' that is self-
referential. Is this what I should be using instead? It just doesn't
seem like it's directly accessible..
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