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A simple script to update a DB migration in Django 1.7+

During the development of a Django model on your local machine is it often necessary to refine the most recent migration to cope with updates to the model, without polluting the migrations of the app with a new migration for each local update.

South had the update flag for the schemamigration command, but I didn’t find a similar functionality in the Django builtin makemigrations command introduced in Django 1.7.

So I put togheter a simple bash script to automate the process.

Basically the script unapplies the last migration for a given app, update the migration and reapplies it. I find it a little time saver and it feels good to know that the script is doing the right things in the right order.

augusto

Freelance developer and sysadmin

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