python - Django 迁移真的很糟糕

Question

当我运行 makemigrations 然后迁移时，我得到以下输出:

(roundwellenv) ruben@ruben-H81M-D2V:~/roundwell$ ./dev_migrations.sh 
No changes detected in apps 'contenttypes', 'parents', 'admin', 'tips', 'tutors', 'login', 'auth', 'quiz', 'sessions'
Operations to perform:
  Apply all migrations: admin, auth, contenttypes, login, parents, quiz, sessions, tips, tutors
Running migrations:
  Applying contenttypes.0001_initial... OK
  Applying contenttypes.0002_remove_content_type_name... OK
  Applying auth.0001_initial... OK
  Applying auth.0002_alter_permission_name_max_length... OK
  Applying auth.0003_alter_user_email_max_length... OK
  Applying auth.0004_alter_user_username_opts... OK
  Applying auth.0005_alter_user_last_login_null... OK
  Applying auth.0006_require_contenttypes_0002... OK
  Applying auth.0007_alter_validators_add_error_messages... OK
  Applying auth.0008_alter_user_username_max_length... OK
  Applying auth.0009_alter_user_last_name_max_length... OK
  Applying auth.0010_alter_group_name_max_length... OK
  Applying auth.0011_update_proxy_permissions... OK
  Applying login.0001_initial... OK
  Applying admin.0001_initial... OK
  Applying admin.0002_logentry_remove_auto_add... OK
  Applying admin.0003_logentry_add_action_flag_choices... OK
  Applying parents.0001_initial... OK
  Applying quiz.0001_initial... OK
  Applying sessions.0001_initial... OK
  Applying tips.0001_initial... OK
  Applying tutors.0001_initial... OK
(roundwellenv) ruben@ruben-H81M-D2V:~/roundwell$ python manage.py createsuperuser

You have 21 unapplied migration(s). Your project may not work properly until you apply the migrations for app(s): admin, auth, contenttypes, login, parents, quiz, sessions, tips, tutors.
Run 'python manage.py migrate' to apply them.

我知道确实出了问题，因为即使我删除了 pycache 内容以及迁移文件夹中的内容和一个干净的 sqlite3 数据库，它实际上也找不到任何需要应用的迁移，除非我指定了我想要创建迁移的应用程序为了。关于可能导致此问题的任何线索吗？我怀疑这可能是我的自定义登录应用程序，但是一旦迁移完成(就像它们在系统上实际运行的网站一样)，数据库就可以正常工作。

Answer 1

尝试在项目文件夹中运行以下命令:

find . -path "*/migrations/*.py" -not -name "__init__.py" -delete
find . -path "*/migrations/*.pyc"  -delete

然后删除您的 sqlite 数据库，然后再次尝试迁移。

Make sure you are in your project folder, or else this command will break your Django download!