migration via south for inheritance change -> please help

Hi all,

I've got a problem migrating some changes in the model, so I tried to solve it with south.

The situation:

I implemented two classes, which share some functionality. Now that I improved a little with python, django and co. I wanted to use inheritance for that issue.

The model looks like this:

class Foo(models.Model):

    eggs = models.TextField( null=True, blank=True )

    plants = models.TextField( null=True, blank=True )

    carpet = models.IntegerField()

class Bar(models.Model):

    eggs = models.TextField( null=True, blank=True )

    plants = models.TextField( null=True, blank=True )

    car = models.IntegerField()

And obviously I want to transform to:

class Base(models.Model):

    eggs = models.TextField( null=True, blank=True )

    plants = models.TextField( null=True, blank=True )

class Foo(models.Model):

    base = models.OneToOneField( 'Base', parent_link=True )

    carpet = models.IntegerField()

class Bar(models.Model):

    base = models.OneToOneField( 'Base', parent_link=True )

    car = models.IntegerField()

But how can I tell south to fill the super class with the data from the old schema?

Can I add this information manually in the created migration script? or is there an option/switch I didn't notice?

Any hints are very welcome, thanks a lot

mcJack

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