How to get a name of last migration programmatically?

Question

I want to get the name of the last applied migration in Django. I know that Django migrations are stored in django_migrations table, however django.db.migrations.migration.Migration is not a models.Model backed by that table. This means you cannot do:

migration_info = Migration.objects.all()

Is there any built-in way of retrieveing the data from django_migrations, or should i just create my own read-only Model:

class MigrationInfo(models.Model):
    class Meta:
         managed = False
         db_table = "django_migrations"

Answer 1

This works on Django 1.11/1.8/2.1 & 3.0.4:

from django.db.migrations.recorder import MigrationRecorder

last_migration = MigrationRecorder.Migration.objects.latest('id')
print(last_migration.app)     # The app where the migration belongs
print(last_migration.name)    # The name of the migration

There doesn't seem to be documentation for this command, but here you may find the source code which is documented properly.

Answer 2

To store information about applied migrations Django uses plain table and it is accessible as @classproperty through the MigrationRecorder class:

from django.db.migrations.recorder import MigrationRecorder

lm = MigrationRecorder.Migration.objects.filter(app='core').last()

---

It is also easy to retrieve this information from the command line:

Get the last applied migration for the particular app

python manage.py showmigrations --list <app_name> | grep "\[X\]" | tail -1

Get the ordered list of unapplied migrations

python manage.py showmigrations --plan | grep "\[ \]"