Question

我在example.com的网站上部署了django-oscar的示例应用程序沙箱。我想将其移至example.com:8000并在example.com网址上运行另一个项目。我成功完成了第二部分，当你进入example.com时，你可以看到更新的django项目启动并运行，但问题是，第一个django项目是django-oscar的沙箱，不会正确响应。

当您输入example.com:8000时，您会看到当前的调试日志：

no such column: django_content_type.name
Request Method: GET
Request URL:    http://example.com:8000/fa/
Django Version: 1.7.8
Exception Type: OperationalError
Exception Value:    
no such column: django_content_type.name
Exception Location: /usr/local/lib/python2.7/dist-packages/django/db/backends/sqlite3/base.py in execute, line 485
Python Executable:  /usr/bin/python
Python Version: 2.7.3
Python Path:    
['/var/www/setak/setakenv/setakmain/django-oscar/sites/sandbox',
 '/usr/lib/python2.7',
 '/usr/lib/python2.7/plat-linux2',
 '/usr/lib/python2.7/lib-tk',
 '/usr/lib/python2.7/lib-old',
 '/usr/lib/python2.7/lib-dynload',
 '/usr/local/lib/python2.7/dist-packages',
 '/usr/lib/python2.7/dist-packages',
 '/usr/lib/python2.7/dist-packages/PIL',
 '/usr/lib/python2.7/dist-packages/gst-0.10',
 '/usr/lib/python2.7/dist-packages/gtk-2.0',
 '/usr/lib/python2.7/dist-packages/ubuntu-sso-client',
 '/usr/lib/python2.7/dist-packages/ubuntuone-client',
 '/usr/lib/python2.7/dist-packages/ubuntuone-control-panel',
 '/usr/lib/python2.7/dist-packages/ubuntuone-couch',
 '/usr/lib/python2.7/dist-packages/ubuntuone-installer',
 '/usr/lib/python2.7/dist-packages/ubuntuone-storage-protocol']

现在我用Google搜索了这个错误，但我没有得到任何有价值的结果。

另外，当我跑

时

sudo python manage.py migrate

发生以下情况，我也找不到任何正确的解决方法：

Operations to perform:
  Synchronize unmigrated apps: reports_dashboard, treebeard, oscar, communications_dashboard, reviews_dashboard, debug_toolbar, widget_tweaks, offers_dashboard, catalogue_dashboard, sitemaps, compressor, django_extensions, dashboard, thumbnail, haystack, ranges_dashboard, checkout, gateway, django_tables2
  Apply all migrations: customer, promotions, shipping, wishlists, offer, admin, sessions, contenttypes, auth, payment, reviews, analytics, catalogue, flatpages, sites, address, basket, partner, order, voucher
Synchronizing apps without migrations:
  Creating tables...
  Installing custom SQL...
  Installing indexes...
Running migrations:
  No migrations to apply.
Traceback (most recent call last):
  File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 385, in execute_from_command_line
    utility.execute()
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 377, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 288, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 338, in execute
    output = self.handle(*args, **options)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/commands/migrate.py", line 165, in handle
    emit_post_migrate_signal(created_models, self.verbosity, self.interactive, connection.alias)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/sql.py", line 268, in emit_post_migrate_signal
    using=db)
  File "/usr/local/lib/python2.7/dist-packages/django/dispatch/dispatcher.py", line 198, in send
    response = receiver(signal=self, sender=sender, **named)
  File "/usr/local/lib/python2.7/dist-packages/django/contrib/auth/management/__init__.py", line 83, in create_permissions
    ctype = ContentType.objects.db_manager(using).get_for_model(klass)
  File "/usr/local/lib/python2.7/dist-packages/django/contrib/contenttypes/models.py", line 58, in get_for_model
    " is migrated before trying to migrate apps individually."
RuntimeError: Error creating new content types. Please make sure contenttypes is migrated before trying to migrate apps individually.

更新1：我也在使用django 1.7.8。

更新2：我将我的Django版本更改为1.8.1，makemigrations和migrate命令工作正常。然后我再次运行服务器，现在我在日志中收到此错误:(我也删除了apache设置，因为它们无关紧要！）

Traceback (most recent call last):
  File "/usr/lib/python2.7/wsgiref/handlers.py", line 85, in run
    self.result = application(self.environ, self.start_response)
  File "/usr/local/lib/python2.7/dist-packages/django/contrib/staticfiles/handlers.py", line 63, in __call__
    return self.application(environ, start_response)
  File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/wsgi.py", line 170, in __call__
    self.load_middleware()
  File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 50, in load_middleware
    mw_class = import_string(middleware_path)
  File "/usr/local/lib/python2.7/dist-packages/django/utils/module_loading.py", line 26, in import_string
    module = import_module(module_path)
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
ImportError: No module named transaction

Answer 1

我终于可以解决我的问题。问题是我使用django 1.8来运行manage.py migrate并且该项目是在django 1.7.1下开发的，因此迁移破坏了。

所以我做的是我再次安装了django 1.8.1，运行了manage.py migrate contenttypes 0001，然后卸载了django 1.8.1，安装了django 1.7.8并运行了manage.py runserver，一切恢复正常工作得很好。

Answer 2

我有同样的问题。在我的情况下，我使用Django 1.10来创建我的本地数据库，但我需要使用旧的Django版本（1.7）进行一些测试，所以我删除了我的本地数据库并使用Django 1.7运行manage.py migrate然后错误消失了。

或者，当项目使用Django 1.10运行时，数据库可以保留并移回项目，而不是删除本地数据库。

没有这样的专栏：django_content_type.name

2 个答案: