Hello,
I have a few models which have the same two fields. Based on these
fields there is always the same function in these models. But this
violates DRY. Is there another possibility for my function/models
---------------------------------------------------------------------------------------------------
class EventType(models.Model):
....
valid_from = models.DateTimeField(default=datetime.now)
valid_to = models.DateTimeField(default=DEF_VALID_TO)
......
def is_active(self):
return self.valid_from < datetime.now() < self.valid_to
is_active.short_description = 'Active'
is_active.boolean = True
class Event(models.Model):
....
type = models.ForeignKey(EventType,
limit_choices_to =
{'valid_from__lte': datetime.now,
'valid_to__gte': datetime.now})
valid_from = models.DateTimeField(default=datetime.now)
valid_to = models.DateTimeField(default=DEF_VALID_TO)
......
def is_active(self):
return self.valid_from < datetime.now() < self.valid_to
is_active.short_description = 'Active'
is_active.boolean = True
class Partner(models.Model):
....
valid_from = models.DateTimeField(default=datetime.now)
valid_to = models.DateTimeField(default=DEF_VALID_TO)
......
def is_active(self):
return self.valid_from < datetime.now() < self.valid_to
is_active.short_description = 'Active'
is_active.boolean = True
---------------------------------------------------------------------------------------------------
Model Inheritance isn't supported yet. Is there another way to avoid
the duplicated code/function?
~Bernd
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