Changing a model in Django using South

To update one of your models using South, you'll first want to create a new schema migration by using the schemamigration command and the -auto flag.

$ ./ schemamigration some_schema --auto

if the model or fields have been updated since your last migration, you should see something like this

 + Added model some_schema.ArticleCategory
 + Added field category on some_schema.Article

Next, when you're ready to apply the update you can run

$ ./ migrate some_schema

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