It looks like you want a Model to inherit from multiple base model? Multiple time from the same one, with different parameters?
I'm not sure I understood what you are trying to do, but maybe abstract models can help you? https://docs.djangoproject.com/en/1.8/topics/db/models/#abstract-base-classes On Tuesday, 9 June 2015 22:20:19 UTC+1, ThomasTheDjangoFan wrote: > > Hi guys, > > now this is kind of hard for me to explain, I hope that somebody > understands what I actually want. > > I am a python newbie and wonder if there is an easy solution. > > *They say: DRY!!* > > > > *My question is:How do a define an (abstract?) class including methods and > fieldsand then attach it to a real mode with variants instants?* > > *The data needs to be available as realy models.* types, so I can use it > in forms.* > > Hopefully this example makes it clear: > > > # I would love to keep it DRY and wonder if there is a solution for this > in python? > > # NOW THIS IS TOTALLY MADE UP > # Basically I would like to be able to define a definition of model-fields > and functions > # and then be able to "attach" it to a model as various instances > class KidType (models.Model): > NAMEHOLDER = '' #nameholder > > NAMEHOLDER_text = models.TextField() > NAMEHOLDER_timestamp_updated = models.DateTimeField(auto_now_add=False > , auto_now=True) > > def example_function_shared_among_types(): > return str(self.NAMEHOLDER_text + self. > NAMEHOLDER_timestamp_updated) > > def set_NAMEHOLDER_text(value): > self.set_NAMEHOLDER_text(value) > > # > class DataHolderModel(models.Model): > # Attach the above definition with different names > # and make them accessable > @attach (KidType, KidType.NAME = 'dataset1') > @attach (KidType, KidType.NAME = 'dataset2') > @attach (KidType, KidType.NAME = 'dataset3') > > # Access the instances within the HolderModel: > data_holder = DataHolderModel() > data_holder.dataset1_text = 'value1' > data_holder.set_dataset1_text('value1') > data_holder.dataset2_text = 'value2' > data_holder.dataset3_text = 'value3' > > Any ideas? Can I do something like this? > > I am really thankful for your tips > Thomas > > > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/8dc5d6cd-3852-4d82-b1b7-15682be10992%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
