#16176: Overwriting a property with field during model inheritance.
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Reporter: czepiel.artur@… | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: master
(models, ORM) | Resolution:
Severity: Normal | Triage Stage: Accepted
Keywords: | Needs documentation: 0
Has patch: 0 | Patch needs improvement: 0
Needs tests: 1 | UI/UX: 0
Easy pickings: 0 |
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Comment (by metzlar@…):
I made this work by defining the property dynamically inside the parent
model definition:
{{{
class SomeTestModel(models.Model):
some_field = models.CharField(max_length=100)
class Meta:
abstract = True
@classmethod
def __new__(cls, *args, **kwargs):
inst = models.Model.__new__(cls, *args, **kwargs)
if cls is SomeTestModel:
inst.other_field = property(lambda x: "[OTHER] %s" %
getattr(x, 'some_field'))
return inst
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/16176#comment:3>
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