My model has a save() override, in which a number of attributes (which
are ManyToManyFields) need to get their values from the object's parent:
def save(self):
if self.parent:
attribute_list = ['publishing_destinations',
'registration_enquiries', 'speakers', 'related_people', 'related_pages',
'related_events', 'related_newsarticles',]
for attribute in attribute_list:
if not getattr(self, attribute).all():
setattr(self, attribute, getattr(self.parent,
attribute).all())
super(Event, self).save()
These attributes don't survive the save() though (because they contain
many-to-many relations, the object needs to be saved to the database
before such relations to it can exist).
So, obviously I need another stage, to save the many-to-many relations
once theo bject is saved.
What is the best way to achieve that?
Thanks,
Daniele
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