Have been at this now for some hours and still can't see the wood for
the trees. Failed to get two signals working - one called on pre_save
to keep an audit trail of one field on a model (didn't implemenet the
Audit.py version in the wiki as more complex than I needed). The
other to create some default records in a related table. Both are
failing with the same error and I suspect I am going to kick myself
when someone points out the obvious, but here goes.
Model.py
(simplified)
class Version(models.Model):
version_no = models.CharField(_('ver'), max_length=10, unique=True)
name = models.CharField(_('name'), max_length=50, unique=True)
class VersionDocs(models.Model):
version = models.ForeignKey('Version')
doc_content = models.TextField(_('content'))
class VersionDocsVer(models.Model):
doc = models.ForeignKey('VersionDocs')
doc_content = models.TextField(_('content'))
pre_save.connect(keep_version, sender=VersionDocs)
post_save.connect(default_docs, sender=Version)
signals.py
(simplified)
from devcycle.models import *
def default_docs(instance, **kwards):
try:
doc = VersionDocs.objects.filter(version=instance.id)
except:
....
def keep_version(instance, **kwargs):
print 'version instance =',instance.id
original = VersionDocs.objects.get(id=instance.id)
....
Using Django version 1.1 beta 1,
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