我正在尝试以最基本的方式使用自定义用户模型,如 Extending Django’s default User 中所述扩展 AbstractUser
。但是,我不确定如何正确地与南方合作。我在进行初始架构迁移时遇到了问题,发生的情况如下:
我的类
tournaments
中有扩展用户类Player
,该类在settings.INSTALLED_APPS
中启用。要执行初始
syncdb
,必须启用tournaments
应用。否则我会收到此错误:$ ./manage.py syncdb CommandError: One or more models did not validate: auth.user: Model has been swapped out for 'tournaments.Player' which has not been installed or is abstract. admin.logentry: 'user' has a relation with model tournaments.Player, which has either not been installed or is abstract.
因此,我启用了具有我的
Player
(自定义用户)模型的tournaments
应用。但是,在初始迁移时:$ ./manage.py schemamigration tournaments --initial ... $ ./manage.py migrate tournaments Running migrations for tournaments: - Migrating forwards to 0001_initial. > tournaments:0001_initial FATAL ERROR - The following SQL query failed: CREATE TABLE "tournaments_player" ("id" serial NOT NULL PRIMARY KEY, "password" varchar(128) NOT NULL, "last_login" timestamp with time zone NOT NULL, "is_superuser" boolean NOT NULL, "username" varchar(30) NOT NULL UNIQUE, "first_name" varchar(30) NOT NULL, "last_name" varchar(30) NOT NULL, "email" varchar(75) NOT NULL, "is_staff" boolean NOT NULL, "is_active" boolean NOT NULL, "date_joined" timestamp with time zone NOT NULL, "bio" text NOT NULL); The error was: relation "tournaments_player" already exists Error in migration: tournaments:0001_initial DatabaseError: relation "tournaments_player" already exists
如果我跳过 syncdb
,我会收到此错误,因为 syncdb
是引导南向所需的:
$ ./manage.py migrate tournaments
DatabaseError: relation "south_migrationhistory" does not exist
LINE 1: ...gration", "south_migrationhistory"."applied" FROM "south_mig...
所以,我似乎遇到了先有鸡还是先有蛋的情况:如果没有我的用户模型,我就无法 syncdb
。但是,如果我使用我的用户模型 syncdb
,我将无法执行初始迁移!
解决这个问题的最佳方法是什么?我有一些想法,例如在不启用 django.contrib.auth
和 django.contrib.admin
的情况下运行初始 syncdb
,或者运行初始 syncdb
未启用 south
,然后转换应用程序。这两种选择都显得老套又奇怪。
最佳答案
尝试运行./manage.py migrate leagues --fake 0001
。这将在南向迁移历史记录中添加一个条目,表明初始迁移已运行,而无需实际执行 SQL。或者,您可以在自定义用户对象上设置class Meta: Managed = False
,以告诉 django 不要同步该模型。
关于django - 自定义用户模型和南,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/15871164/