├── README.md
└── change_app_name.py


/README.md:
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1 | # change-django-app-name
2 | Snippet to change django app name
3 | According to `https://stackoverflow.com/a/8408131/1690893` 
4 | 


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/change_app_name.py:
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 1 | from django.contrib.auth.models import Permission, Group
 2 | from django.contrib.contenttypes.models import ContentType
 3 | 
 4 | from django.db import connection
 5 | from django.db.models import Q
 6 | 
 7 | 
 8 | ContentType.objects.filter(app_label='<old_app_name>').update(app_label='<app_name>')  # change content type to prevent django migrations from re-migrate
 9 | permissions = Permission.objects.filter(Q(content_type__app_label='app_label1') |
10 |                                         Q(content_type__app_label='app_label2'))
11 | admin_grp = Group.objects.get(name='<grp_name>')  # add new permissions if changed or deleted
12 | for p in permissions:
13 |     admin_grp.permissions.add(p)
14 | with connection.cursor() as c:
15 |     c.execute("update django_migrations set app='<app_name>' where app='<old_app_name>';")  # update django migrations table to set new app name
16 |     c.execute("select relname from pg_stat_user_tables where relname like '<old_app_name>%';")  # select all tables of database to rename it
17 |     data = c.fetchall()
18 |     for d in data:
19 |         name = d[0]
20 |         name = name.split("<old_app_name>_")[1]
21 |         c.execute("ALTER table %s RENAME to <app_name>_%s;" % (d[0], name))
22 | 


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