Changes between Version 1 and Version 2 of Ticket #25313, comment 21


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Timestamp:
Sep 25, 2020, 11:14:46 AM (5 years ago)
Author:
wooooodward

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  • Ticket #25313, comment 21

    v1 v2  
    1 I believe the following to be the easiest method.
    2 
    3 1. Follow the preparations in [https://code.djangoproject.com/ticket/25313#comment:18 Carsten's solution].
    4 
    5 2. Create a new app with no existing migrations and migrate an empty migration.
    6 
    7 {{{#!python
    8 ./manage.py startapp user
    9 ./manage.py makemigrations user --empty
    10 ./manage.py migrate user
    11 }}}
    12 
    13 3. Update the migration to match the timestamp of the initial auth migration.
    14 
    15 {{{#!python
    16 ./manage.py shell
    17 >>> from django.db.migrations.recorder import MigrationRecorder
    18 >>> auth_initial = MigrationRecorder.Migration.objects.get(app='auth', name='0001_initial')
    19 >>> user_initial = MigrationRecorder.Migration.objects.get(app='user', name='0001_initial')
    20 >>> user_initial.applied = auth_initial.applied
    21 >>> user_initial.save()
    22 }}}
    23 
    24 4. Delete `user 0001_initial.py`, set `AUTH_USER_MODEL = 'user.user'` in your settings then run `./manage.py makemigrations` after creating the following `user` model. Essentially this step is making your first migration in the `user` app match `auth 0001_initial.py`.
    25 
    26 {{{#!python
    27 from django.contrib.auth import models as auth_models
    28 
    29 class User(auth_models.AbstractUser):
    30     class Meta:
    31         db_table = 'auth_user'
    32 }}}
    33 
    34 5. Update the content types
    35 
    36 {{{#!python
    37 ./manage.py shell
    38 >>> from django.contrib.contenttypes.models import ContentType
    39 >>> ContentType.objects.filter(app_label='auth', model='user').update(app_label='user')
    40 }}}
    41 
    42 6. Delete the model inherited from `auth_models.AbstractUser` and create your custom user model. Run `makemigrations` then `migrate` after making your changes and from this point on everything should be working properly.
    43 
    44 {{{#!python
    45 class User(auth_models.AbstractBaseUser,
    46            auth_models.PermissionsMixin):
    47     ...
    48 }}}
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