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- ---------
- Upgrading
- ---------
-
- This document explains some of the issues that can be encountered whilst
- upgrading Oscar.
-
- .. note::
-
- Detailed upgrade instructions for specific releases can be found on the `Github
- wiki`_.
-
- .. _`Github wiki`: https://github.com/tangentlabs/django-oscar/wiki/Upgrading
-
- Migrations
- ----------
-
- Oscar uses South_ to provide migrations for its apps. But since Oscar allows
- an app to be overridden and its models extended, handling migrations can be
- tricky when upgrading.
-
- .. _South: http://south.readthedocs.org/en/latest/installation.html
-
- Suppose a new version of Oscar changes the models of the 'shipping' app and
- includes the corresponding migrations. There are two scenarios to be aware of:
-
- Migrating uncustomised apps
- ~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
- Apps that you aren't customising will upgrade trivially as your project
- will pick up the new migrations from Oscar directly.
-
- For instance, if you have ``oscar.apps.core.shipping`` in your
- ``INSTALLED_APPS`` then you can simply run::
-
- ./manage.py migrate shipping
-
- to migrate your shipping app.
-
- Migrating customised apps
- ~~~~~~~~~~~~~~~~~~~~~~~~~
-
- For apps that you are customising, you need to create a new migration that picks
- up the changes in the core Oscar models::
-
- For instance, if you have an app ``myproject.shipping`` that replaces
- ``oscar.apps.shipping`` in your ``INSTALLED_APPS`` then you can simply run::
-
- ./manage.py schemamigration shipping --auto
-
- to create the appropriate migration.
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