I would like to create a models.Model class that doesn't became part of the database but just an interface to other models (I want to avoid repeating code).
Something like that:
class Interface(models.Model):
a = models.IntegerField()
b = models.TextField()
class Foo(Interface):
c = models.IntegerField()
class Bar(Interface):
d = models.CharField(max_length='255')
So my database should have only Foo (with a,b,c collumns) and Bar (with a,b,d) but not the table Interface.
"Abstract base classes"
Abstract base classes are useful when you want to put some common information into a number of other models. You write your base class and put
abstract=True
in the Meta class. This model will then not be used to create any database table. Instead, when it is used as a base class for other models, its fields will be added to those of the child class.
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